Trades on 1 secondary market

Polygon.io

Polygon.io (rebranded as Massive in early 2026) provides real-time and historical market data APIs across stocks, options, indices, forex, crypto, and futures via REST, WebSocket streaming, and S3-style flat files. APIs cover trades, quotes, aggregates, snapshots, ticker reference data, and corporat

thin 43.9 / 100 6 APIs View provider profile →

Fintech Market Data Stocks Options Forex Crypto

Polygon.io is an API provider whose private shares are listed on 1 secondary market: Nasdaq Private Market.

Polygon.io publishes 6 APIs indexed on the APIs.io network.

Where It Trades

N Nasdaq Private Market 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.