{ "info": { "_postman_id": "6763265c-dac7-4a2e-ad64-d66b8c29064d", "name": "Polygon Crypto REST Aggregates Books API", "description": "Polygon Crypto API exposes aggregated cross-exchange data for crypto\npairs (e.g., X:BTCUSD) via `https://api.polygon.io`. This spec\ncovers aggregates, daily open/close, snapshots, and level-2 books.\nAuth uses an API key via `apiKey` query parameter or\n`Authorization: Bearer`.\n\n\nContact Support:\n Name: Polygon Documentation", "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json", "createdAt": "2026-07-28T02:39:07.000Z", "updatedAt": "2026-07-28T02:39:07.000Z", "lastUpdatedBy": "35240", "uid": "35240-6763265c-dac7-4a2e-ad64-d66b8c29064d" }, "item": [ { "name": "v2", "item": [ { "name": "snapshot", "item": [ { "name": "locale", "item": [ { "name": "global", "item": [ { "name": "markets", "item": [ { "name": "crypto", "item": [ { "name": "tickers", "item": [ { "name": "{ticker}", "item": [ { "name": "book", "item": [ { "name": "Get Level Two Book For A Crypto Pair", "id": "6b777bde-1165-431e-bd94-6265c3cd6ead", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/v2/snapshot/locale/global/markets/crypto/tickers/:ticker/book", "host": [ "{{baseUrl}}" ], "path": [ "v2", "snapshot", "locale", "global", "markets", "crypto", "tickers", ":ticker", "book" ], "variable": [ { "id": "4a8b93fd-d397-4ceb-b809-bb57c6f646bb", "key": "ticker", "value": "", "description": "(Required) " } ] }, "description": "Returns the current Level-2 book for a crypto ticker." }, "response": [ { "id": "c0b95a5e-5d84-432b-bb05-85e575206afd", "name": "Level-2 book response", "originalRequest": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/v2/snapshot/locale/global/markets/crypto/tickers/:ticker/book?apiKey=", "host": [ "{{baseUrl}}" ], "path": [ "v2", "snapshot", "locale", "global", "markets", "crypto", "tickers", ":ticker", "book" ], "query": [ { "description": "Added as a part of security scheme: apikey", "key": "apiKey", "value": "" } ], "variable": [ { "key": "ticker" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"status\": \"\",\n \"request_id\": \"\",\n \"data\": {\n \"ticker\": \"\",\n \"bids\": [\n {\n \"p\": \"\",\n \"x\": {\n \"nulla00\": \"\",\n \"aliquip_360\": \"\",\n \"dofc7\": \"\",\n \"ipsum_e5e\": \"\",\n \"cillum86\": \"\"\n }\n },\n {\n \"p\": \"\",\n \"x\": {\n \"fugiat_1\": \"\",\n \"eta\": \"\"\n }\n }\n ],\n \"asks\": [\n {\n \"p\": \"\",\n \"x\": {\n \"cupidatatdd\": \"\"\n }\n },\n {\n \"p\": \"\",\n \"x\": {\n \"nulla_3c6\": \"\",\n \"ullamco_eb_\": \"\",\n \"consecteturac\": \"\",\n \"quisea\": \"\"\n }\n }\n ],\n \"bidCount\": \"\",\n \"askCount\": \"\",\n \"spread\": \"\",\n \"updated\": \"\"\n }\n}", "createdAt": "2026-07-28T02:39:07.000Z", "updatedAt": "2026-07-28T02:39:07.000Z", "uid": "35240-c0b95a5e-5d84-432b-bb05-85e575206afd" } ], "createdAt": "2026-07-28T02:39:07.000Z", "updatedAt": "2026-07-28T02:39:07.000Z", "uid": "35240-6b777bde-1165-431e-bd94-6265c3cd6ead" } ], "id": "26c170df-b18b-4343-942c-7f1a989c49fb", "createdAt": "2026-07-28T02:39:07.000Z", "updatedAt": "2026-07-28T02:39:07.000Z", "uid": "35240-26c170df-b18b-4343-942c-7f1a989c49fb" } ], "id": "8b01b842-a317-46a3-bb22-ca2038c13cff", "createdAt": "2026-07-28T02:39:07.000Z", "updatedAt": "2026-07-28T02:39:07.000Z", "uid": "35240-8b01b842-a317-46a3-bb22-ca2038c13cff" } ], "id": "200553e6-a122-4f47-9f2d-c79a13839c06", "createdAt": "2026-07-28T02:39:07.000Z", "updatedAt": "2026-07-28T02:39:07.000Z", "uid": "35240-200553e6-a122-4f47-9f2d-c79a13839c06" } ], "id": "43d41103-5bad-4f6f-a5b8-5621abf2d1c6", "createdAt": "2026-07-28T02:39:07.000Z", "updatedAt": "2026-07-28T02:39:07.000Z", "uid": "35240-43d41103-5bad-4f6f-a5b8-5621abf2d1c6" } ], "id": "a91e9ea1-efeb-41f8-abc0-c5c76788d39d", "createdAt": "2026-07-28T02:39:07.000Z", "updatedAt": "2026-07-28T02:39:07.000Z", "uid": "35240-a91e9ea1-efeb-41f8-abc0-c5c76788d39d" } ], "id": "716622f2-3335-43f8-8079-4b874f786d1a", "createdAt": "2026-07-28T02:39:07.000Z", "updatedAt": "2026-07-28T02:39:07.000Z", "uid": "35240-716622f2-3335-43f8-8079-4b874f786d1a" } ], "id": "74c21810-0f3a-4129-b2a7-14f797bd81e2", "createdAt": "2026-07-28T02:39:07.000Z", "updatedAt": "2026-07-28T02:39:07.000Z", "uid": "35240-74c21810-0f3a-4129-b2a7-14f797bd81e2" } ], "id": "3bfb6d38-ee06-4e7e-bf57-8d79fa9baa65", "createdAt": "2026-07-28T02:39:07.000Z", "updatedAt": "2026-07-28T02:39:07.000Z", "uid": "35240-3bfb6d38-ee06-4e7e-bf57-8d79fa9baa65" } ], "id": "a54c461a-6411-4697-85c3-7c16775ce523", "createdAt": "2026-07-28T02:39:07.000Z", "updatedAt": "2026-07-28T02:39:07.000Z", "uid": "35240-a54c461a-6411-4697-85c3-7c16775ce523" } ], "auth": { "type": "apikey", "apikey": [ { "key": "key", "value": "apiKey", "type": "string" }, { "key": "value", "value": "{{apiKey}}", "type": "string" }, { "key": "in", "value": "query", "type": "string" } ] }, "variable": [ { "key": "baseUrl", "value": "https://api.polygon.io" } ] }