Polygon · Postman Collection

Polygon Crypto REST Aggregates Markets API

Polygon Crypto API exposes aggregated cross-exchange data for crypto pairs (e.g., X:BTCUSD) via `https://api.polygon.io`. This spec covers aggregates, daily open/close, snapshots, and level-2 books. Auth uses an API key via `apiKey` query parameter or `Authorization: Bearer`. Contact Support: Name: Polygon Documentation

4
Requests
8
Folders
View on GitHub Raw JSON FinanceFintechMarket DataStocksOptionsForexCryptoIndicesFuturesWebSocketsReal-TimeHistoricalPublic APIsPostman Collection

Overview

Polygon Crypto REST Aggregates Markets API is a Postman Collection published by Polygon on the APIs.io network.

Polygon Crypto API exposes aggregated cross-exchange data for crypto pairs (e.g., X:BTCUSD) via https://api.polygon.io. This spec covers aggregates, daily open/close, snapshots, and level-2 books. Auth uses an API key via apiKey query parameter or Authorization: Bearer. Contact Support: Name: Polygon Documentation

The collection contains 4 requests organised into 8 folders.

Tagged areas include Finance, Fintech, Market Data, Stocks, and Options.

Requests & Folders

v3
v1

Related API Specs

Polygon WebSocket API (AsyncAPI) Polygon Aggregates API (OpenAPI) Polygon Books API (OpenAPI) Polygon Contracts API (OpenAPI) Polygon Conversion API (OpenAPI) Polygon CorporateActions API (OpenAPI) Polygon DailyBars API (OpenAPI) Polygon Markets API (OpenAPI) Polygon News API (OpenAPI) Polygon Quotes API (OpenAPI) Polygon Snapshots API (OpenAPI) Polygon Tickers API (OpenAPI)
Back to Polygon · All Collections · GitHub

Work with this as data

Every collection here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for collections

4 MCP tools reach this
  • find_collectionsBrowse and filter every collection in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This collection 
curl "https://apis.io/api/v1/collections/postman-polygon-markets-api"
All collections 
curl "https://apis.io/api/v1/collections?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.