{ "info": { "_postman_id": "143a2bd3-e617-4d4d-ad18-efe9e9617ec3", "name": "Chainstack Arbitrum Node Account Info State API", "description": "Chainstack-managed RPC node API for the Arbitrum blockchain. Endpoints follow the canonical JSON-RPC over HTTPS interface for the network. Authenticate against your Chainstack node's per-node URL (e.g. https://nd-XXX-XXX-XXX.p2pify.com/). 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"responseTime": null, "body": "{\n \"data\": [\n {\n \"index\": \"\",\n \"blob\": \"\",\n \"kzg_commitment\": \"\",\n \"kzg_proof\": \"\",\n \"signed_block_header\": {}\n },\n {\n \"index\": \"\",\n \"blob\": \"\",\n \"kzg_commitment\": \"\",\n \"kzg_proof\": \"\",\n \"signed_block_header\": {}\n }\n ]\n}", "createdAt": "2026-07-28T01:20:36.000Z", "updatedAt": "2026-07-28T01:20:36.000Z", "uid": "35240-0609c90f-31ef-4c51-b4e5-c7ecb21909dc" }, { "id": "5c2a8c33-9927-41c0-a95e-97756142cdd8", "name": "Block not found", "originalRequest": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/getBlobsByBlockId", "host": [ "{{baseUrl}}" ], "path": [ "getBlobsByBlockId" ] } }, "status": "Not Found", "code": 404, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"code\": \"\",\n \"message\": \"\"\n}", "createdAt": 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