{
  "info": {
    "_postman_id": "b36677f7-3711-49b2-b966-01874c5cf85c",
    "name": "0x Cross-Chain Sources 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": "2026-07-28T00:25:41.000Z",
    "updatedAt": "2026-07-28T00:25:41.000Z",
    "lastUpdatedBy": "35240",
    "uid": "35240-b36677f7-3711-49b2-b966-01874c5cf85c"
  },
  "item": [
    {
      "name": "sources",
      "item": [
        {
          "name": "Get Liquidity Sources",
          "id": "a701d08c-1af8-438b-a9af-cdd7c424235a",
          "protocolProfileBehavior": {
            "disableBodyPruning": true
          },
          "request": {
            "method": "GET",
            "header": [
              {
                "description": "(Required) Visit dashboard.0x.org to get your API Key",
                "key": "0x-api-key",
                "value": "<string>"
              },
              {
                "description": "(Required) API version",
                "key": "0x-version",
                "value": "<string>"
              },
              {
                "key": "Accept",
                "value": "application/json"
              }
            ],
            "url": {
              "raw": "{{baseUrl}}/sources?chainId=<integer>",
              "host": [
                "{{baseUrl}}"
              ],
              "path": [
                "sources"
              ],
              "query": [
                {
                  "description": "(Required) Chain ID. See [here](https://docs.0x.org/docs/introduction/supported-chains) for the list of supported chains",
                  "key": "chainId",
                  "value": "<integer>"
                }
              ]
            },
            "description": "Get the list of supported sources"
          },
          "response": [
            {
              "id": "de9ee869-0245-46ec-88ff-c2cad69e85b5",
              "name": "Successful response",
              "originalRequest": {
                "method": "GET",
                "header": [
                  {
                    "description": "(Required) Visit dashboard.0x.org to get your API Key",
                    "key": "0x-api-key",
                    "value": "<string>"
                  },
                  {
                    "description": "(Required) API version",
                    "key": "0x-version",
                    "value": "<string>"
                  },
                  {
                    "key": "Accept",
                    "value": "application/json"
                  }
                ],
                "url": {
                  "raw": "{{baseUrl}}/sources?chainId=<integer>",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "sources"
                  ],
                  "query": [
                    {
                      "description": "(Required) Chain ID. See [here](https://docs.0x.org/docs/introduction/supported-chains) for the list of supported chains",
                      "key": "chainId",
                      "value": "<integer>"
                    }
                  ]
                }
              },
              "status": "OK",
              "code": 200,
              "_postman_previewlanguage": "json",
              "header": [
                {
                  "key": "Content-Type",
                  "value": "application/json"
                }
              ],
              "cookie": [],
              "responseTime": null,
              "body": "{\n  \"sources\": [\n    \"<string>\",\n    \"<string>\"\n  ],\n  \"zid\": \"<string>\"\n}",
              "createdAt": "2026-07-28T00:25:42.000Z",
              "updatedAt": "2026-07-28T00:25:42.000Z",
              "uid": "35240-de9ee869-0245-46ec-88ff-c2cad69e85b5"
            },
            {
              "id": "874a980c-0849-42e1-b9b4-dc184b1fb9d2",
              "name": "400 error response",
              "originalRequest": {
                "method": "GET",
                "header": [
                  {
                    "description": "(Required) Visit dashboard.0x.org to get your API Key",
                    "key": "0x-api-key",
                    "value": "<string>"
                  },
                  {
                    "description": "(Required) API version",
                    "key": "0x-version",
                    "value": "<string>"
                  },
                  {
                    "key": "Accept",
                    "value": "application/json"
                  }
                ],
                "url": {
                  "raw": "{{baseUrl}}/sources?chainId=<integer>",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "sources"
                  ],
                  "query": [
                    {
                      "description": "(Required) Chain ID. See [here](https://docs.0x.org/docs/introduction/supported-chains) for the list of supported chains",
                      "key": "chainId",
                      "value": "<integer>"
                    }
                  ]
                }
              },
              "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\": \"<string>\",\n  \"data\": {\n    \"zid\": \"<string>\",\n    \"details\": [\n      {\n        \"field\": \"<string>\",\n        \"reason\": \"<string>\"\n      },\n      {\n        \"field\": \"<string>\",\n        \"reason\": \"<string>\"\n      }\n    ]\n  }\n}",
              "createdAt": "2026-07-28T00:25:42.000Z",
              "updatedAt": "2026-07-28T00:25:42.000Z",
              "uid": "35240-874a980c-0849-42e1-b9b4-dc184b1fb9d2"
            },
            {
              "id": "6c65652a-44bc-41b4-892c-b11000d84702",
              "name": "500 error response",
              "originalRequest": {
                "method": "GET",
                "header": [
                  {
                    "description": "(Required) Visit dashboard.0x.org to get your API Key",
                    "key": "0x-api-key",
                    "value": "<string>"
                  },
                  {
                    "description": "(Required) API version",
                    "key": "0x-version",
                    "value": "<string>"
                  },
                  {
                    "key": "Accept",
                    "value": "application/json"
                  }
                ],
                "url": {
                  "raw": "{{baseUrl}}/sources?chainId=<integer>",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "sources"
                  ],
                  "query": [
                    {
                      "description": "(Required) Chain ID. See [here](https://docs.0x.org/docs/introduction/supported-chains) for the list of supported chains",
                      "key": "chainId",
                      "value": "<integer>"
                    }
                  ]
                }
              },
              "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\": \"<string>\",\n  \"data\": {\n    \"zid\": \"<string>\"\n  }\n}",
              "createdAt": "2026-07-28T00:25:42.000Z",
              "updatedAt": "2026-07-28T00:25:42.000Z",
              "uid": "35240-6c65652a-44bc-41b4-892c-b11000d84702"
            }
          ],
          "createdAt": "2026-07-28T00:25:42.000Z",
          "updatedAt": "2026-07-28T00:25:42.000Z",
          "uid": "35240-a701d08c-1af8-438b-a9af-cdd7c424235a"
        }
      ],
      "id": "743ad694-f37c-4a3d-94fd-ac2c68bce38b",
      "createdAt": "2026-07-28T00:25:42.000Z",
      "updatedAt": "2026-07-28T00:25:42.000Z",
      "uid": "35240-743ad694-f37c-4a3d-94fd-ac2c68bce38b"
    }
  ],
  "variable": [
    {
      "key": "baseUrl",
      "value": "https://api.0x.org"
    }
  ]
}