Trades on 1 secondary market

Polygon

Polygon (Polygon.io, rebranded as Massive in early 2026) provides real-time and historical market data APIs across US stocks, options, indices, forex, cryptocurrencies, and futures. Coverage is delivered through REST endpoints and WebSocket streams under a single api.polygon.io surface plus an S3 fl

exemplar 70.1 / 100 7 APIs View provider profile →

Finance Fintech Market Data Stocks Options Forex

Polygon is an API provider whose private shares are listed on 1 secondary market: Hiive.

Polygon publishes 7 APIs indexed on the APIs.io network.

Where It Trades

H Hiive View listing →

Listing data is compiled from the public marketplace pages of Forge Global, Hiive, EquityZen, Nasdaq Private Market, and Augment. A listing indicates that a venue has published a page for this company — it is not an offer, a quote, or investment advice, and APIs.io has no affiliation with any venue.