Massive (formerly Polygon.io)

Massive (formerly Polygon.io) Reference:stocks API

The reference:stocks API from Massive (formerly Polygon.io) — 2 operation(s) for reference:stocks.

GitHub OpenAPI

Operations 2

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

GET /v3/reference/splits List historical stock splits · Stock Splits v3 #
Ask an LLM
“When did a company last split its stock, and at what ratio?”
“Can I list only reverse splits?”
Tell an agent
List stock splits for {ticker}.
Show reverse splits executed since {execution_date_gte}.
GET /vX/reference/financials Get XBRL financials from SEC filings · Stock Financials vX #
Ask an LLM
“What financial statements did a company report in its SEC filings?”
“Can I get quarterly or annual financials by company name or SIC code?”
Tell an agent
Get financials for {ticker}.
Show {timeframe} financials for CIK {cik}.

Documentation

📖
Documentation
https://polygon.io/docs/stocks
📖
APIReference
https://polygon.io/docs/stocks
📖
Authentication
https://polygon.io/docs/getting-started
📖
Documentation
https://polygon.io/docs/options
📖
APIReference
https://polygon.io/docs/options
📖
Documentation
https://polygon.io/docs/indices
📖
APIReference
https://polygon.io/docs/indices
📖
Documentation
https://polygon.io/docs/forex
📖
APIReference
https://polygon.io/docs/forex
📖
Documentation
https://polygon.io/docs/crypto
📖
APIReference
https://polygon.io/docs/crypto
📖
Documentation
https://polygon.io/docs/stocks/get_v3_reference_tickers

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/massive-com/refs/heads/main/openapi/massive-com-reference-stocks-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/massive-com/refs/heads/main/json-schema/polygon-aggregate-bar-schema.json
📊
JSONStructure
https://raw.githubusercontent.com/api-evangelist/massive-com/refs/heads/main/json-structure/polygon-aggregate-bar-structure.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/massive-com/refs/heads/main/json-schema/polygon-options-contract-schema.json
📊
JSONStructure
https://raw.githubusercontent.com/api-evangelist/massive-com/refs/heads/main/json-structure/polygon-options-contract-structure.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/massive-com/refs/heads/main/json-schema/polygon-ticker-schema.json
📊
JSONStructure
https://raw.githubusercontent.com/api-evangelist/massive-com/refs/heads/main/json-structure/polygon-ticker-structure.json

Other Resources

🔗
Examples
https://raw.githubusercontent.com/api-evangelist/massive-com/refs/heads/main/examples/polygon-stocks-aggregate-bars-example.json
🔗
Examples
https://raw.githubusercontent.com/api-evangelist/massive-com/refs/heads/main/examples/polygon-options-chain-snapshot-example.json
🔗
Examples
https://raw.githubusercontent.com/api-evangelist/massive-com/refs/heads/main/examples/polygon-forex-conversion-example.json
🔗
Examples
https://raw.githubusercontent.com/api-evangelist/massive-com/refs/heads/main/examples/polygon-reference-tickers-example.json

Work with this as data

Every API 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 apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • 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 API 
curl "https://apis.io/api/v1/apis/massive-com:massive-com-reference-stocks-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

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

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

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

OpenAPI Specification

massive-com-reference-stocks-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  description: The future of fintech.
  title: Polygon Reference:stocks API
  version: 1.0.0
servers:
- description: Polygon Platform API
  url: https://api.polygon.io
- description: Polygon Platform API (Staging)
  url: https://api.staging.polygon.io
security:
- apiKey: []
tags:


# --- truncated at 32 KB (38 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/massive-com/refs/heads/main/openapi/massive-com-reference-stocks-api-openapi.yml