Top 5 Finance & Payments APIs
Ranked by popularity score. A comparison view generated from structured frontmatter (pricing, auth, docs links).
| Rank | API | Free tier | Starting from | Auth | Details |
|---|---|---|---|---|---|
1 | Binance API Access Binance's cryptocurrency exchange data, trading functions, market data, and account management through comprehensive REST and WebSocket APIs. | Yes | Free | api_key | View |
2 | Stripe API Payments, subscriptions, invoicing, and embedded financial services via a developer-first API. | Yes | $0 (pay per transaction) | api_key | View |
3 | Polygon API Access real-time and historical stock market data, forex, crypto prices, and financial market information from Polygon.io's comprehensive market data platform. | Yes | Free (5 API calls/min) | api_key | View |