{ "info": { "_postman_id": "96385963-790c-432e-a82c-acffa44d581e", "name": "0x Cross-Chain API", "description": "This is the official API reference for the latest 0x API (v2).", "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json", "createdAt": "2026-07-28T00:25:38.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "lastUpdatedBy": "35240", "uid": "35240-96385963-790c-432e-a82c-acffa44d581e" }, "item": [ { "name": "cross-chain", "item": [ { "name": "quotes", "item": [ { "name": "stream", "item": [ { "name": "Stream Cross-Chain Quotes", "id": "fb16ae10-6a86-4b22-9fe8-50cfad4f3192", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/quotes/stream?originChain=&destinationChain=&sellToken=&buyToken=&sellAmount=-964825429&originAddress=&destinationAddress=&gasPayer=&slippageBps=100&excludedBridges=&includedBridges=&excludedSwapSources=&feeBps=&feeRecipient=&feeToken=&maxNumQuotes=5", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "quotes", "stream" ], "query": [ { "description": "(Required) The source chain from which the cross-chain swap will originate. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "originChain", "value": "" }, { "description": "(Required) The destination chain where tokens will be received after the cross-chain swap. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "destinationChain", "value": "" }, { "description": "(Required) The contract address of the token to sell on the origin chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "sellToken", "value": "" }, { "description": "(Required) The contract address of the token to buy on the destination chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "buyToken", "value": "" }, { "description": "(Required) The amount of `sellToken` (in `sellToken`'s base units) to sell on the origin chain", "key": "sellAmount", "value": "-964825429" }, { "description": "(Required) The wallet address on the origin chain that holds the sellToken balance and will initiate the cross-chain transaction", "key": "originAddress", "value": "" }, { "description": "The wallet address on the destination chain that will receive the buyToken. If not specified, defaults to originAddress on the destination chain", "key": "destinationAddress", "value": "" }, { "description": "The Solana address that will pay for transaction fees when the origin chain is Solana. Only applicable for Solana origin chains", "key": "gasPayer", "value": "" }, { "description": "The maximum acceptable slippage for each swap or bridge step of the cross-chain swap in basis points (100 = 1%)", "key": "slippageBps", "value": "100" }, { "description": "Comma-separated list of bridge providers to exclude from routing", "key": "excludedBridges", "value": "" }, { "description": "Comma-separated list of bridge providers to include in routing. Mutually exclusive with excludedBridges", "key": "includedBridges", "value": "" }, { "description": "Comma-separated list of DEX sources to exclude from routing on both chains", "key": "excludedSwapSources", "value": "" }, { "description": "The trading fee amounts in basis points to charge on the origin chain (supports single or comma-separated values). Must be used together with feeRecipient. When multiple values are provided, must match the length of feeRecipient. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeBps", "value": "" }, { "description": "The wallet addresses to receive trading fees on the origin chain (supports single or comma-separated values). Must be used together with feeBps. When multiple values are provided, must match the length of feeBps. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeRecipient", "value": "" }, { "description": "The token addresses for fee collection on the origin chain (supports single or comma-separated values). Must be the same as sellToken. When multiple values are provided, must match the length of feeBps. If omitted, defaults to sellToken. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeToken", "value": "" }, { "description": "The maximum number of cross-chain quotes to return, between 1 and 10. Each quote represents a different combination of bridges and DEXs", "key": "maxNumQuotes", "value": "5" } ] }, "description": "Stream cross-chain quotes as they become available" }, "response": [ { "id": "09c3680d-5fe6-4cdc-a7ac-1dedb4f02be0", "name": "Successful response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/quotes/stream?originChain=&destinationChain=&sellToken=&buyToken=&sellAmount=-964825429&originAddress=&destinationAddress=&gasPayer=&slippageBps=100&excludedBridges=&includedBridges=&excludedSwapSources=&feeBps=&feeRecipient=&feeToken=&maxNumQuotes=5", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "quotes", "stream" ], "query": [ { "description": "(Required) The source chain from which the cross-chain swap will originate. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "originChain", "value": "" }, { "description": "(Required) The destination chain where tokens will be received after the cross-chain swap. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "destinationChain", "value": "" }, { "description": "(Required) The contract address of the token to sell on the origin chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "sellToken", "value": "" }, { "description": "(Required) The contract address of the token to buy on the destination chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "buyToken", "value": "" }, { "description": "(Required) The amount of `sellToken` (in `sellToken`'s base units) to sell on the origin chain", "key": "sellAmount", "value": "-964825429" }, { "description": "(Required) The wallet address on the origin chain that holds the sellToken balance and will initiate the cross-chain transaction", "key": "originAddress", "value": "" }, { "description": "The wallet address on the destination chain that will receive the buyToken. If not specified, defaults to originAddress on the destination chain", "key": "destinationAddress", "value": "" }, { "description": "The Solana address that will pay for transaction fees when the origin chain is Solana. Only applicable for Solana origin chains", "key": "gasPayer", "value": "" }, { "description": "The maximum acceptable slippage for each swap or bridge step of the cross-chain swap in basis points (100 = 1%)", "key": "slippageBps", "value": "100" }, { "description": "Comma-separated list of bridge providers to exclude from routing", "key": "excludedBridges", "value": "" }, { "description": "Comma-separated list of bridge providers to include in routing. Mutually exclusive with excludedBridges", "key": "includedBridges", "value": "" }, { "description": "Comma-separated list of DEX sources to exclude from routing on both chains", "key": "excludedSwapSources", "value": "" }, { "description": "The trading fee amounts in basis points to charge on the origin chain (supports single or comma-separated values). Must be used together with feeRecipient. When multiple values are provided, must match the length of feeRecipient. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeBps", "value": "" }, { "description": "The wallet addresses to receive trading fees on the origin chain (supports single or comma-separated values). Must be used together with feeBps. When multiple values are provided, must match the length of feeBps. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeRecipient", "value": "" }, { "description": "The token addresses for fee collection on the origin chain (supports single or comma-separated values). Must be the same as sellToken. When multiple values are provided, must match the length of feeBps. If omitted, defaults to sellToken. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeToken", "value": "" }, { "description": "The maximum number of cross-chain quotes to return, between 1 and 10. Each quote represents a different combination of bridges and DEXs", "key": "maxNumQuotes", "value": "5" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"zid\": \"\",\n \"event\": {\n \"type\": \"quote\",\n \"data\": {\n \"quote\": {\n \"sellAmount\": {\n \"value\": \"\"\n },\n \"integratorFees\": [\n {\n \"amount\": {\n \"value\": \"\"\n },\n {\n \"amount\": {\n \"value\": \"\"\n }\n ],\n \"zeroExFee\": {\n \"amount\": {\n \"value\": \"\",\n \"sellToken\": \"0xb4450F9ED31D23e4d311B03bD33f8fa5E2e9E5E0\",\n \"buyToken\": \"0xD9C4fB1DAFd7D0fDcbD1FC58D99C112FdC80a53b\",\n \"amount\": {\n \"value\": \"\",\n \"sellToken\": \"0x9faFFDfdDcE8Cd8Fb45eAbF6AbFfE6C1bC5aC6Fc\",\n \"buyToken\": \"0x8DffFD1FBe5DdDB3Bca5dfdCbC3A5D05DaeCBB9F\",\n \"amount\": {\n \"value\": \"\",\n \"gas\": {\n \"value\": \"\",\n \"issues\": {\n \"allowance\": {\n \"actual\": {\n \"value\": \"\"\n },\n \"quoteId\": \"\"\n },\n \"allowanceTarget\": \"\"\n }\n }\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-09c3680d-5fe6-4cdc-a7ac-1dedb4f02be0" }, { "id": "445a4cf8-c879-4d1d-ab61-3a01b8ed62ac", "name": "400 error response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/quotes/stream?originChain=&destinationChain=&sellToken=&buyToken=&sellAmount=-964825429&originAddress=&destinationAddress=&gasPayer=&slippageBps=100&excludedBridges=&includedBridges=&excludedSwapSources=&feeBps=&feeRecipient=&feeToken=&maxNumQuotes=5", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "quotes", "stream" ], "query": [ { "description": "(Required) The source chain from which the cross-chain swap will originate. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "originChain", "value": "" }, { "description": "(Required) The destination chain where tokens will be received after the cross-chain swap. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "destinationChain", "value": "" }, { "description": "(Required) The contract address of the token to sell on the origin chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "sellToken", "value": "" }, { "description": "(Required) The contract address of the token to buy on the destination chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "buyToken", "value": "" }, { "description": "(Required) The amount of `sellToken` (in `sellToken`'s base units) to sell on the origin chain", "key": "sellAmount", "value": "-964825429" }, { "description": "(Required) The wallet address on the origin chain that holds the sellToken balance and will initiate the cross-chain transaction", "key": "originAddress", "value": "" }, { "description": "The wallet address on the destination chain that will receive the buyToken. If not specified, defaults to originAddress on the destination chain", "key": "destinationAddress", "value": "" }, { "description": "The Solana address that will pay for transaction fees when the origin chain is Solana. Only applicable for Solana origin chains", "key": "gasPayer", "value": "" }, { "description": "The maximum acceptable slippage for each swap or bridge step of the cross-chain swap in basis points (100 = 1%)", "key": "slippageBps", "value": "100" }, { "description": "Comma-separated list of bridge providers to exclude from routing", "key": "excludedBridges", "value": "" }, { "description": "Comma-separated list of bridge providers to include in routing. Mutually exclusive with excludedBridges", "key": "includedBridges", "value": "" }, { "description": "Comma-separated list of DEX sources to exclude from routing on both chains", "key": "excludedSwapSources", "value": "" }, { "description": "The trading fee amounts in basis points to charge on the origin chain (supports single or comma-separated values). Must be used together with feeRecipient. When multiple values are provided, must match the length of feeRecipient. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeBps", "value": "" }, { "description": "The wallet addresses to receive trading fees on the origin chain (supports single or comma-separated values). Must be used together with feeBps. When multiple values are provided, must match the length of feeBps. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeRecipient", "value": "" }, { "description": "The token addresses for fee collection on the origin chain (supports single or comma-separated values). Must be the same as sellToken. When multiple values are provided, must match the length of feeBps. If omitted, defaults to sellToken. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeToken", "value": "" }, { "description": "The maximum number of cross-chain quotes to return, between 1 and 10. Each quote represents a different combination of bridges and DEXs", "key": "maxNumQuotes", "value": "5" } ] } }, "status": "Bad Request", "code": 400, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"name\": \"INPUT_INVALID\",\n \"message\": \"\",\n \"data\": {\n \"zid\": \"\",\n \"details\": [\n {\n \"field\": \"\",\n \"reason\": \"\"\n },\n {\n \"field\": \"\",\n \"reason\": \"\"\n }\n ]\n }\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-445a4cf8-c879-4d1d-ab61-3a01b8ed62ac" }, { "id": "dcc260e4-d6e8-4b07-ba73-6f3c5ffdb105", "name": "500 error response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/quotes/stream?originChain=&destinationChain=&sellToken=&buyToken=&sellAmount=-964825429&originAddress=&destinationAddress=&gasPayer=&slippageBps=100&excludedBridges=&includedBridges=&excludedSwapSources=&feeBps=&feeRecipient=&feeToken=&maxNumQuotes=5", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "quotes", "stream" ], "query": [ { "description": "(Required) The source chain from which the cross-chain swap will originate. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "originChain", "value": "" }, { "description": "(Required) The destination chain where tokens will be received after the cross-chain swap. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "destinationChain", "value": "" }, { "description": "(Required) The contract address of the token to sell on the origin chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "sellToken", "value": "" }, { "description": "(Required) The contract address of the token to buy on the destination chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "buyToken", "value": "" }, { "description": "(Required) The amount of `sellToken` (in `sellToken`'s base units) to sell on the origin chain", "key": "sellAmount", "value": "-964825429" }, { "description": "(Required) The wallet address on the origin chain that holds the sellToken balance and will initiate the cross-chain transaction", "key": "originAddress", "value": "" }, { "description": "The wallet address on the destination chain that will receive the buyToken. If not specified, defaults to originAddress on the destination chain", "key": "destinationAddress", "value": "" }, { "description": "The Solana address that will pay for transaction fees when the origin chain is Solana. Only applicable for Solana origin chains", "key": "gasPayer", "value": "" }, { "description": "The maximum acceptable slippage for each swap or bridge step of the cross-chain swap in basis points (100 = 1%)", "key": "slippageBps", "value": "100" }, { "description": "Comma-separated list of bridge providers to exclude from routing", "key": "excludedBridges", "value": "" }, { "description": "Comma-separated list of bridge providers to include in routing. Mutually exclusive with excludedBridges", "key": "includedBridges", "value": "" }, { "description": "Comma-separated list of DEX sources to exclude from routing on both chains", "key": "excludedSwapSources", "value": "" }, { "description": "The trading fee amounts in basis points to charge on the origin chain (supports single or comma-separated values). Must be used together with feeRecipient. When multiple values are provided, must match the length of feeRecipient. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeBps", "value": "" }, { "description": "The wallet addresses to receive trading fees on the origin chain (supports single or comma-separated values). Must be used together with feeBps. When multiple values are provided, must match the length of feeBps. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeRecipient", "value": "" }, { "description": "The token addresses for fee collection on the origin chain (supports single or comma-separated values). Must be the same as sellToken. When multiple values are provided, must match the length of feeBps. If omitted, defaults to sellToken. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeToken", "value": "" }, { "description": "The maximum number of cross-chain quotes to return, between 1 and 10. Each quote represents a different combination of bridges and DEXs", "key": "maxNumQuotes", "value": "5" } ] } }, "status": "Internal Server Error", "code": 500, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"name\": \"INTERNAL_SERVER_ERROR\",\n \"message\": \"\",\n \"data\": {\n \"zid\": \"\"\n }\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-dcc260e4-d6e8-4b07-ba73-6f3c5ffdb105" } ], "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-fb16ae10-6a86-4b22-9fe8-50cfad4f3192" } ], "id": "420f6ac6-224a-43f1-9632-873feb3c7375", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-420f6ac6-224a-43f1-9632-873feb3c7375" }, { "name": "Get Cross-Chain Quotes", "id": "a1b92843-214b-4a2a-9af8-e06df5018f0e", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/quotes?originChain=&destinationChain=&sellToken=&buyToken=&sellAmount=-964825429&originAddress=&destinationAddress=&gasPayer=&slippageBps=100&excludedBridges=&includedBridges=&excludedSwapSources=&feeBps=&feeRecipient=&feeToken=&sortQuotesBy=speed&maxNumQuotes=3", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "quotes" ], "query": [ { "description": "(Required) The source chain from which the cross-chain swap will originate. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "originChain", "value": "" }, { "description": "(Required) The destination chain where tokens will be received after the cross-chain swap. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "destinationChain", "value": "" }, { "description": "(Required) The contract address of the token to sell on the origin chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "sellToken", "value": "" }, { "description": "(Required) The contract address of the token to buy on the destination chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "buyToken", "value": "" }, { "description": "(Required) The amount of `sellToken` (in `sellToken`'s base units) to sell on the origin chain", "key": "sellAmount", "value": "-964825429" }, { "description": "(Required) The wallet address on the origin chain that holds the sellToken balance and will initiate the cross-chain transaction", "key": "originAddress", "value": "" }, { "description": "The wallet address on the destination chain that will receive the buyToken. If not specified, defaults to originAddress on the destination chain", "key": "destinationAddress", "value": "" }, { "description": "The Solana address that will pay for transaction fees when the origin chain is Solana. Only applicable for Solana origin chains", "key": "gasPayer", "value": "" }, { "description": "The maximum acceptable slippage for each swap or bridge step of the cross-chain swap in basis points (100 = 1%)", "key": "slippageBps", "value": "100" }, { "description": "Comma-separated list of bridge providers to exclude from routing", "key": "excludedBridges", "value": "" }, { "description": "Comma-separated list of bridge providers to include in routing. Mutually exclusive with excludedBridges", "key": "includedBridges", "value": "" }, { "description": "Comma-separated list of DEX sources to exclude from routing on both chains", "key": "excludedSwapSources", "value": "" }, { "description": "The trading fee amounts in basis points to charge on the origin chain (supports single or comma-separated values). Must be used together with feeRecipient. When multiple values are provided, must match the length of feeRecipient. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeBps", "value": "" }, { "description": "The wallet addresses to receive trading fees on the origin chain (supports single or comma-separated values). Must be used together with feeBps. When multiple values are provided, must match the length of feeBps. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeRecipient", "value": "" }, { "description": "The token addresses for fee collection on the origin chain (supports single or comma-separated values). Must be the same as sellToken. When multiple values are provided, must match the length of feeBps. If omitted, defaults to sellToken. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeToken", "value": "" }, { "description": "(Required) How to sort the returned quotes - either by speed (fastest execution time) or price (best exchange rate)", "key": "sortQuotesBy", "value": "speed" }, { "description": "The maximum number of cross-chain quotes to return, between 1 and 10. Each quote represents a different combination of bridges and DEXs", "key": "maxNumQuotes", "value": "3" } ] }, "description": "Get the quotes for a cross chain swap" }, "response": [ { "id": "72ea2cb2-8ecc-4e28-86bd-471b1cb16a3c", "name": "Successful response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/quotes?originChain=&destinationChain=&sellToken=&buyToken=&sellAmount=-964825429&originAddress=&destinationAddress=&gasPayer=&slippageBps=100&excludedBridges=&includedBridges=&excludedSwapSources=&feeBps=&feeRecipient=&feeToken=&sortQuotesBy=speed&maxNumQuotes=3", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "quotes" ], "query": [ { "description": "(Required) The source chain from which the cross-chain swap will originate. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "originChain", "value": "" }, { "description": "(Required) The destination chain where tokens will be received after the cross-chain swap. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "destinationChain", "value": "" }, { "description": "(Required) The contract address of the token to sell on the origin chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "sellToken", "value": "" }, { "description": "(Required) The contract address of the token to buy on the destination chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "buyToken", "value": "" }, { "description": "(Required) The amount of `sellToken` (in `sellToken`'s base units) to sell on the origin chain", "key": "sellAmount", "value": "-964825429" }, { "description": "(Required) The wallet address on the origin chain that holds the sellToken balance and will initiate the cross-chain transaction", "key": "originAddress", "value": "" }, { "description": "The wallet address on the destination chain that will receive the buyToken. If not specified, defaults to originAddress on the destination chain", "key": "destinationAddress", "value": "" }, { "description": "The Solana address that will pay for transaction fees when the origin chain is Solana. Only applicable for Solana origin chains", "key": "gasPayer", "value": "" }, { "description": "The maximum acceptable slippage for each swap or bridge step of the cross-chain swap in basis points (100 = 1%)", "key": "slippageBps", "value": "100" }, { "description": "Comma-separated list of bridge providers to exclude from routing", "key": "excludedBridges", "value": "" }, { "description": "Comma-separated list of bridge providers to include in routing. Mutually exclusive with excludedBridges", "key": "includedBridges", "value": "" }, { "description": "Comma-separated list of DEX sources to exclude from routing on both chains", "key": "excludedSwapSources", "value": "" }, { "description": "The trading fee amounts in basis points to charge on the origin chain (supports single or comma-separated values). Must be used together with feeRecipient. When multiple values are provided, must match the length of feeRecipient. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeBps", "value": "" }, { "description": "The wallet addresses to receive trading fees on the origin chain (supports single or comma-separated values). Must be used together with feeBps. When multiple values are provided, must match the length of feeBps. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeRecipient", "value": "" }, { "description": "The token addresses for fee collection on the origin chain (supports single or comma-separated values). Must be the same as sellToken. When multiple values are provided, must match the length of feeBps. If omitted, defaults to sellToken. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeToken", "value": "" }, { "description": "(Required) How to sort the returned quotes - either by speed (fastest execution time) or price (best exchange rate)", "key": "sortQuotesBy", "value": "speed" }, { "description": "The maximum number of cross-chain quotes to return, between 1 and 10. Each quote represents a different combination of bridges and DEXs", "key": "maxNumQuotes", "value": "3" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"liquidityAvailable\": true,\n \"allowanceTarget\": \"0xEF62f9FAF6CeD06b4AB04bC22C7a90aaD12db89f\",\n \"originChainId\": \"\",\n \"originChain\": \"\",\n \"destinationChainId\": \"\",\n \"destinationChain\": \"\",\n \"sellToken\": \"0x5E81cc5Da35eAf185D4aEe9Db2a5cf4a76EF5E37\",\n \"buyToken\": \"0x890339C7C9c3B9dd34fa77389F0C3Db4dcACA798\",\n \"issues\": {\n \"allowance\": {\n \"actual\": {\n \"value\": \"\",\n \"invalidSwapSourcesPassed\": [\n \"\",\n \"\"\n ],\n \"invalidBridgesPassed\": [\n \"\",\n \"\"\n ]\n },\n \"zid\": \"\",\n \"quotes\": [\n {\n \"sellAmount\": {\n \"value\": \"\"\n },\n \"integratorFees\": [\n {\n \"amount\": {\n \"value\": \"\"\n },\n {\n \"amount\": {\n \"value\": \"\"\n }\n ],\n \"zeroExFee\": {\n \"amount\": {\n \"value\": \"\",\n \"sellToken\": \"0x50d805c1c040F6f97Cb04793F373c4091CdD1cCB\",\n \"buyToken\": \"0xB60BeCcB89C03c05FF186D78a4a6afccb78fb1fA\",\n \"amount\": {\n \"value\": \"\",\n \"sellToken\": \"0x6B53fE8c0cB50E38DAADeC9E28b89a462DaC0c3C\",\n \"buyToken\": \"0xeFADEFb7E5FcAb841963BaEa0a0fEB7b430341c1\",\n \"amount\": {\n \"value\": \"\",\n \"gas\": {\n \"value\": \"\",\n \"issues\": {\n \"allowance\": {\n \"actual\": {\n \"value\": \"\"\n },\n \"quoteId\": \"\"\n }\n ]\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-72ea2cb2-8ecc-4e28-86bd-471b1cb16a3c" }, { "id": "c677e61e-522b-4655-8ecd-56be3c81ec0d", "name": "400 error response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/quotes?originChain=&destinationChain=&sellToken=&buyToken=&sellAmount=-964825429&originAddress=&destinationAddress=&gasPayer=&slippageBps=100&excludedBridges=&includedBridges=&excludedSwapSources=&feeBps=&feeRecipient=&feeToken=&sortQuotesBy=speed&maxNumQuotes=3", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "quotes" ], "query": [ { "description": "(Required) The source chain from which the cross-chain swap will originate. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "originChain", "value": "" }, { "description": "(Required) The destination chain where tokens will be received after the cross-chain swap. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "destinationChain", "value": "" }, { "description": "(Required) The contract address of the token to sell on the origin chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "sellToken", "value": "" }, { "description": "(Required) The contract address of the token to buy on the destination chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "buyToken", "value": "" }, { "description": "(Required) The amount of `sellToken` (in `sellToken`'s base units) to sell on the origin chain", "key": "sellAmount", "value": "-964825429" }, { "description": "(Required) The wallet address on the origin chain that holds the sellToken balance and will initiate the cross-chain transaction", "key": "originAddress", "value": "" }, { "description": "The wallet address on the destination chain that will receive the buyToken. If not specified, defaults to originAddress on the destination chain", "key": "destinationAddress", "value": "" }, { "description": "The Solana address that will pay for transaction fees when the origin chain is Solana. Only applicable for Solana origin chains", "key": "gasPayer", "value": "" }, { "description": "The maximum acceptable slippage for each swap or bridge step of the cross-chain swap in basis points (100 = 1%)", "key": "slippageBps", "value": "100" }, { "description": "Comma-separated list of bridge providers to exclude from routing", "key": "excludedBridges", "value": "" }, { "description": "Comma-separated list of bridge providers to include in routing. Mutually exclusive with excludedBridges", "key": "includedBridges", "value": "" }, { "description": "Comma-separated list of DEX sources to exclude from routing on both chains", "key": "excludedSwapSources", "value": "" }, { "description": "The trading fee amounts in basis points to charge on the origin chain (supports single or comma-separated values). Must be used together with feeRecipient. When multiple values are provided, must match the length of feeRecipient. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeBps", "value": "" }, { "description": "The wallet addresses to receive trading fees on the origin chain (supports single or comma-separated values). Must be used together with feeBps. When multiple values are provided, must match the length of feeBps. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeRecipient", "value": "" }, { "description": "The token addresses for fee collection on the origin chain (supports single or comma-separated values). Must be the same as sellToken. When multiple values are provided, must match the length of feeBps. If omitted, defaults to sellToken. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeToken", "value": "" }, { "description": "(Required) How to sort the returned quotes - either by speed (fastest execution time) or price (best exchange rate)", "key": "sortQuotesBy", "value": "speed" }, { "description": "The maximum number of cross-chain quotes to return, between 1 and 10. Each quote represents a different combination of bridges and DEXs", "key": "maxNumQuotes", "value": "3" } ] } }, "status": "Bad Request", "code": 400, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"name\": \"INPUT_INVALID\",\n \"message\": \"\",\n \"data\": {\n \"zid\": \"\",\n \"details\": [\n {\n \"field\": \"\",\n \"reason\": \"\"\n },\n {\n \"field\": \"\",\n \"reason\": \"\"\n }\n ]\n }\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-c677e61e-522b-4655-8ecd-56be3c81ec0d" }, { "id": "6c7c1487-56b1-4879-95b1-a5cc1b7fe79b", "name": "500 error response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/quotes?originChain=&destinationChain=&sellToken=&buyToken=&sellAmount=-964825429&originAddress=&destinationAddress=&gasPayer=&slippageBps=100&excludedBridges=&includedBridges=&excludedSwapSources=&feeBps=&feeRecipient=&feeToken=&sortQuotesBy=speed&maxNumQuotes=3", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "quotes" ], "query": [ { "description": "(Required) The source chain from which the cross-chain swap will originate. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "originChain", "value": "" }, { "description": "(Required) The destination chain where tokens will be received after the cross-chain swap. Can be specified as chain ID or name. See [here](https://0x-docs.gitbook.io/0x-cross-chain-api-beta/developer-resources/supported-chains-and-providers) for the list of supported chains", "key": "destinationChain", "value": "" }, { "description": "(Required) The contract address of the token to sell on the origin chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "sellToken", "value": "" }, { "description": "(Required) The contract address of the token to buy on the destination chain. Format varies by chain type (EVM address for EVM/HyperCore chains, token mint address for Solana, base58check address for Tron)", "key": "buyToken", "value": "" }, { "description": "(Required) The amount of `sellToken` (in `sellToken`'s base units) to sell on the origin chain", "key": "sellAmount", "value": "-964825429" }, { "description": "(Required) The wallet address on the origin chain that holds the sellToken balance and will initiate the cross-chain transaction", "key": "originAddress", "value": "" }, { "description": "The wallet address on the destination chain that will receive the buyToken. If not specified, defaults to originAddress on the destination chain", "key": "destinationAddress", "value": "" }, { "description": "The Solana address that will pay for transaction fees when the origin chain is Solana. Only applicable for Solana origin chains", "key": "gasPayer", "value": "" }, { "description": "The maximum acceptable slippage for each swap or bridge step of the cross-chain swap in basis points (100 = 1%)", "key": "slippageBps", "value": "100" }, { "description": "Comma-separated list of bridge providers to exclude from routing", "key": "excludedBridges", "value": "" }, { "description": "Comma-separated list of bridge providers to include in routing. Mutually exclusive with excludedBridges", "key": "includedBridges", "value": "" }, { "description": "Comma-separated list of DEX sources to exclude from routing on both chains", "key": "excludedSwapSources", "value": "" }, { "description": "The trading fee amounts in basis points to charge on the origin chain (supports single or comma-separated values). Must be used together with feeRecipient. When multiple values are provided, must match the length of feeRecipient. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeBps", "value": "" }, { "description": "The wallet addresses to receive trading fees on the origin chain (supports single or comma-separated values). Must be used together with feeBps. When multiple values are provided, must match the length of feeBps. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeRecipient", "value": "" }, { "description": "The token addresses for fee collection on the origin chain (supports single or comma-separated values). Must be the same as sellToken. When multiple values are provided, must match the length of feeBps. If omitted, defaults to sellToken. Note: integrator fee collection is not yet supported for Tron-originated routes.", "key": "feeToken", "value": "" }, { "description": "(Required) How to sort the returned quotes - either by speed (fastest execution time) or price (best exchange rate)", "key": "sortQuotesBy", "value": "speed" }, { "description": "The maximum number of cross-chain quotes to return, between 1 and 10. Each quote represents a different combination of bridges and DEXs", "key": "maxNumQuotes", "value": "3" } ] } }, "status": "Internal Server Error", "code": 500, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"name\": \"INTERNAL_SERVER_ERROR\",\n \"message\": \"\",\n \"data\": {\n \"zid\": \"\"\n }\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-6c7c1487-56b1-4879-95b1-a5cc1b7fe79b" } ], "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-a1b92843-214b-4a2a-9af8-e06df5018f0e" } ], "id": "2e6aef72-faab-407a-aa17-6dbbc8b8945d", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-2e6aef72-faab-407a-aa17-6dbbc8b8945d" }, { "name": "status", "item": [ { "name": "Get Gasless Trade Status", "id": "4111ecea-5daf-4980-9081-a3532fc42510", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/status?originChain=&originTxHash="eId=", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "status" ], "query": [ { "description": "(Required) The origin chain where the cross-chain transaction was initiated", "key": "originChain", "value": "" }, { "description": "(Required) The transaction hash on the origin chain to track. Format varies by chain type (32-byte hex for EVM/HyperCore, base58 signature for Solana, 64-char hex for Tron)", "key": "originTxHash", "value": "" }, { "description": "The quote ID associated with the cross-chain transaction", "key": "quoteId", "value": "" } ] }, "description": "Get the status of a cross chain transaction" }, "response": [ { "id": "a67884ad-311f-44ab-b20a-b8c34f693381", "name": "Successful response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/status?originChain=&originTxHash="eId=", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "status" ], "query": [ { "description": "(Required) The origin chain where the cross-chain transaction was initiated", "key": "originChain", "value": "" }, { "description": "(Required) The transaction hash on the origin chain to track. Format varies by chain type (32-byte hex for EVM/HyperCore, base58 signature for Solana, 64-char hex for Tron)", "key": "originTxHash", "value": "" }, { "description": "The quote ID associated with the cross-chain transaction", "key": "quoteId", "value": "" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"status\": \"bridge_pending\",\n \"steps\": [\n {\n \"chainId\": \"\",\n \"sellToken\": \"0x5E7921313442E8D3f07bb7CeF9bAe1a4Ad0a6aEf\",\n \"buyToken\": \"0x1A2284dE5Ec3e9B83d4AE3c19F9bB2ECd1D37FfF\",\n \"amount\": {\n \"value\": \"\",\n \"chain\": \"\",\n \"txHash\": \"\",\n \"timestamp\": \"\"\n },\n {\n \"chainId\": \"\",\n \"chain\": \"\",\n \"txHash\": \"\",\n \"timestamp\": \"\"\n }\n ],\n \"type\": \"wrap\"\n },\n {\n \"chainId\": \"\",\n \"sellToken\": \"0xfdbCE585Ae7D88BBabdF6087ea4Fe03BD3B8f5eb\",\n \"buyToken\": \"0xBFbecD49AF4E1cBCDfa182DCE0A5F2B1D27AcDCf\",\n \"amount\": {\n \"value\": \"\",\n \"chain\": \"\",\n \"txHash\": \"\",\n \"timestamp\": \"\"\n },\n {\n \"chainId\": \"\",\n \"chain\": \"\",\n \"txHash\": \"\",\n \"timestamp\": \"\"\n }\n ],\n \"type\": \"wrap\"\n }\n ],\n \"failure\": {\n \"reason\": \"\",\n \"status\": \"refund_succeeded\",\n \"transactions\": [\n {\n \"chainId\": \"\",\n \"chain\": \"\",\n \"txHash\": \"\",\n \"timestamp\": \"\"\n },\n {\n \"chainId\": \"\",\n \"chain\": \"\",\n \"txHash\": \"\",\n \"timestamp\": \"\"\n }\n ],\n \"recovery\": {\n \"chainId\": \"\",\n \"token\": \"0x9e5bCDFb0e6A1dCbDBc82EDcfeA4dc3b86dc00d0\",\n \"amount\": {\n \"value\": \"\",\n \"deadline\": \"\",\n \"manualTransaction\": {\n \"chainType\": \"evm\",\n \"details\": {\n \"to\": \"0xDCEeaA04522cFc3ABb4E92e485DA5aa6293cD7Fb\",\n \"data\": \"\",\n \"gas\": {\n \"value\": \"\",\n \"chain\": \"\",\n \"txHash\": \"\",\n \"timestamp\": \"\"\n },\n {\n \"chainId\": \"\",\n \"chain\": \"\",\n \"txHash\": \"\",\n \"timestamp\": \"\"\n }\n ],\n \"zid\": \"\",\n \"bridge\": \"\"\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-a67884ad-311f-44ab-b20a-b8c34f693381" }, { "id": "11e98f00-6dd4-452a-9b89-6f40e3aff156", "name": "400 error response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/status?originChain=&originTxHash="eId=", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "status" ], "query": [ { "description": "(Required) The origin chain where the cross-chain transaction was initiated", "key": "originChain", "value": "" }, { "description": "(Required) The transaction hash on the origin chain to track. Format varies by chain type (32-byte hex for EVM/HyperCore, base58 signature for Solana, 64-char hex for Tron)", "key": "originTxHash", "value": "" }, { "description": "The quote ID associated with the cross-chain transaction", "key": "quoteId", "value": "" } ] } }, "status": "Bad Request", "code": 400, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"name\": \"INPUT_INVALID\",\n \"message\": \"\",\n \"data\": {\n \"zid\": \"\",\n \"details\": [\n {\n \"field\": \"\",\n \"reason\": \"\"\n },\n {\n \"field\": \"\",\n \"reason\": \"\"\n }\n ]\n }\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-11e98f00-6dd4-452a-9b89-6f40e3aff156" }, { "id": "86108ab5-a9f0-493c-9ce1-98433fe05c39", "name": "404 error response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/status?originChain=&originTxHash="eId=", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "status" ], "query": [ { "description": "(Required) The origin chain where the cross-chain transaction was initiated", "key": "originChain", "value": "" }, { "description": "(Required) The transaction hash on the origin chain to track. Format varies by chain type (32-byte hex for EVM/HyperCore, base58 signature for Solana, 64-char hex for Tron)", "key": "originTxHash", "value": "" }, { "description": "The quote ID associated with the cross-chain transaction", "key": "quoteId", "value": "" } ] } }, "status": "Not Found", "code": 404, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"name\": \"BRIDGE_UNKNOWN\",\n \"message\": \"\",\n \"data\": {\n \"zid\": \"\",\n \"originChain\": \"\",\n \"originTxHash\": \"\"\n }\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-86108ab5-a9f0-493c-9ce1-98433fe05c39" }, { "id": "551461fb-385e-4eb6-b118-099ade6fad62", "name": "500 error response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/status?originChain=&originTxHash="eId=", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "status" ], "query": [ { "description": "(Required) The origin chain where the cross-chain transaction was initiated", "key": "originChain", "value": "" }, { "description": "(Required) The transaction hash on the origin chain to track. Format varies by chain type (32-byte hex for EVM/HyperCore, base58 signature for Solana, 64-char hex for Tron)", "key": "originTxHash", "value": "" }, { "description": "The quote ID associated with the cross-chain transaction", "key": "quoteId", "value": "" } ] } }, "status": "Internal Server Error", "code": 500, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"name\": \"BRIDGE_PROVIDER_ERROR\",\n \"message\": \"\",\n \"data\": {\n \"zid\": \"\",\n \"bridge\": \"\"\n }\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-551461fb-385e-4eb6-b118-099ade6fad62" } ], "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-4111ecea-5daf-4980-9081-a3532fc42510" } ], "id": "043f547b-6e0d-46da-9b1c-b72999f75559", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-043f547b-6e0d-46da-9b1c-b72999f75559" }, { "name": "sources", "item": [ { "name": "List Bridge Sources", "id": "85da2f0f-ff8c-4f56-8127-bd594c324756", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/sources", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "sources" ] }, "description": "List available swap and bridge sources for a cross chain swap" }, "response": [ { "id": "9eff6fdc-2e95-4d01-a5f0-ace6b420f85c", "name": "Successful response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/sources", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "sources" ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"bridges\": [\n {\n \"name\": \"\",\n \"chainPairs\": [\n {\n \"originChainId\": \"\",\n \"destinationChainId\": \"\"\n },\n {\n \"originChainId\": \"\",\n \"destinationChainId\": \"\"\n }\n ]\n },\n {\n \"name\": \"\",\n \"chainPairs\": [\n {\n \"originChainId\": \"\",\n \"destinationChainId\": \"\"\n },\n {\n \"originChainId\": \"\",\n \"destinationChainId\": \"\"\n }\n ]\n }\n ],\n \"swapSources\": [\n {\n \"name\": \"\",\n \"chainIds\": [\n \"\",\n \"\"\n ]\n },\n {\n \"name\": \"\",\n \"chainIds\": [\n \"\",\n \"\"\n ]\n }\n ],\n \"zid\": \"\"\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-9eff6fdc-2e95-4d01-a5f0-ace6b420f85c" }, { "id": "b0c342af-3e3e-4b32-ac99-73e0431d2955", "name": "400 error response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/sources", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "sources" ] } }, "status": "Bad Request", "code": 400, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"name\": \"INPUT_INVALID\",\n \"message\": \"\",\n \"data\": {\n \"zid\": \"\",\n \"details\": [\n {\n \"field\": \"\",\n \"reason\": \"\"\n },\n {\n \"field\": \"\",\n \"reason\": \"\"\n }\n ]\n }\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-b0c342af-3e3e-4b32-ac99-73e0431d2955" }, { "id": "ded77291-0902-4a36-90ef-827f0c09de98", "name": "500 error response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/sources", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "sources" ] } }, "status": "Internal Server Error", "code": 500, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"name\": \"INTERNAL_SERVER_ERROR\",\n \"message\": \"\",\n \"data\": {\n \"zid\": \"\"\n }\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-ded77291-0902-4a36-90ef-827f0c09de98" } ], "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-85da2f0f-ff8c-4f56-8127-bd594c324756" } ], "id": "d2a729a0-1699-4369-9e2f-ba6765d9828f", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-d2a729a0-1699-4369-9e2f-ba6765d9828f" }, { "name": "tx-history-beta", "item": [ { "name": "Get Cross-Chain Transaction History", "id": "576d2e69-808c-48f3-a1af-97182afca237", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/tx-history-beta?user=0x1BF500Ae771B2A60E9dfe95fC1CDAbcFFdDd07Db&limit=20&cursor=", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "tx-history-beta" ], "query": [ { "description": "(Required) The wallet address of the user to get transaction history for. Accepts EVM (0x...), Solana, and Tron addresses", "key": "user", "value": "0x1BF500Ae771B2A60E9dfe95fC1CDAbcFFdDd07Db" }, { "description": "Maximum number of transactions to return", "key": "limit", "value": "20" }, { "key": "cursor", "value": "" } ] }, "description": "Get cross-chain transaction history for a user wallet address. Note: this endpoint is in beta and still a work in progress \u2014 please reach out to the 0x team if you or your users run into any issues." }, "response": [ { "id": "a2d0531e-8927-4891-969c-de109925a5c3", "name": "Successful response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/tx-history-beta?user=0x1BF500Ae771B2A60E9dfe95fC1CDAbcFFdDd07Db&limit=20&cursor=", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "tx-history-beta" ], "query": [ { "description": "(Required) The wallet address of the user to get transaction history for. Accepts EVM (0x...), Solana, and Tron addresses", "key": "user", "value": "0x1BF500Ae771B2A60E9dfe95fC1CDAbcFFdDd07Db" }, { "description": "Maximum number of transactions to return", "key": "limit", "value": "20" }, { "key": "cursor", "value": "" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"transactions\": [\n {\n \"originChain\": \"\",\n \"originTx\": \"\",\n \"destinationChain\": \"\",\n \"destinationTx\": \"\",\n \"status\": \"\",\n \"bridge\": \"\"\n },\n {\n \"originChain\": \"\",\n \"originTx\": \"\",\n \"destinationChain\": \"\",\n \"destinationTx\": \"\",\n \"status\": \"\",\n \"bridge\": \"\"\n }\n ],\n \"pagination\": {\n \"limit\": \"\",\n \"nextCursor\": \"\",\n \"hasMore\": \"\"\n },\n \"zid\": \"\"\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-a2d0531e-8927-4891-969c-de109925a5c3" }, { "id": "8dc869a2-3b6e-45fe-8ef5-b26599f2da2a", "name": "400 error response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/tx-history-beta?user=0x1BF500Ae771B2A60E9dfe95fC1CDAbcFFdDd07Db&limit=20&cursor=", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "tx-history-beta" ], "query": [ { "description": "(Required) The wallet address of the user to get transaction history for. Accepts EVM (0x...), Solana, and Tron addresses", "key": "user", "value": "0x1BF500Ae771B2A60E9dfe95fC1CDAbcFFdDd07Db" }, { "description": "Maximum number of transactions to return", "key": "limit", "value": "20" }, { "key": "cursor", "value": "" } ] } }, "status": "Bad Request", "code": 400, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"name\": \"INPUT_INVALID\",\n \"message\": \"\",\n \"data\": {\n \"zid\": \"\",\n \"details\": [\n {\n \"field\": \"\",\n \"reason\": \"\"\n },\n {\n \"field\": \"\",\n \"reason\": \"\"\n }\n ]\n }\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-8dc869a2-3b6e-45fe-8ef5-b26599f2da2a" }, { "id": "0f7f2353-1600-4066-85d4-63033cb7de2e", "name": "404 error response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/tx-history-beta?user=0x1BF500Ae771B2A60E9dfe95fC1CDAbcFFdDd07Db&limit=20&cursor=", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "tx-history-beta" ], "query": [ { "description": "(Required) The wallet address of the user to get transaction history for. Accepts EVM (0x...), Solana, and Tron addresses", "key": "user", "value": "0x1BF500Ae771B2A60E9dfe95fC1CDAbcFFdDd07Db" }, { "description": "Maximum number of transactions to return", "key": "limit", "value": "20" }, { "key": "cursor", "value": "" } ] } }, "status": "Not Found", "code": 404, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"name\": \"TRANSACTION_NOT_FOUND\",\n \"message\": \"\",\n \"data\": {\n \"zid\": \"\",\n \"originChain\": \"\",\n \"originTxHash\": \"\"\n }\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-0f7f2353-1600-4066-85d4-63033cb7de2e" }, { "id": "f8afd7c2-10a4-4446-971e-0113ff76a3ff", "name": "500 error response", "originalRequest": { "method": "GET", "header": [ { "description": "(Required) Visit dashboard.0x.org to get your API Key", "key": "0x-api-key", "value": "" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/cross-chain/tx-history-beta?user=0x1BF500Ae771B2A60E9dfe95fC1CDAbcFFdDd07Db&limit=20&cursor=", "host": [ "{{baseUrl}}" ], "path": [ "cross-chain", "tx-history-beta" ], "query": [ { "description": "(Required) The wallet address of the user to get transaction history for. Accepts EVM (0x...), Solana, and Tron addresses", "key": "user", "value": "0x1BF500Ae771B2A60E9dfe95fC1CDAbcFFdDd07Db" }, { "description": "Maximum number of transactions to return", "key": "limit", "value": "20" }, { "key": "cursor", "value": "" } ] } }, "status": "Internal Server Error", "code": 500, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"name\": \"INTERNAL_SERVER_ERROR\",\n \"message\": \"\",\n \"data\": {\n \"zid\": \"\"\n }\n}", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-f8afd7c2-10a4-4446-971e-0113ff76a3ff" } ], "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-576d2e69-808c-48f3-a1af-97182afca237" } ], "id": "f008b97d-47f8-4930-810e-1664afb220bc", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-f008b97d-47f8-4930-810e-1664afb220bc" } ], "id": "635494b2-8894-4cb2-b02f-b64a23779056", "createdAt": "2026-07-28T00:25:39.000Z", "updatedAt": "2026-07-28T00:25:39.000Z", "uid": "35240-635494b2-8894-4cb2-b02f-b64a23779056" } ], "variable": [ { "key": "baseUrl", "value": "https://api.0x.org" } ] }