CURATED COLLECTION
Build payments end-to-end
Authorize, capture, settle, refund — and detect fraud along the way.
Card processing, ACH, open banking, crypto on/off ramps, and the market-data APIs you need to price anything. Combine two or three of these and you have a full money-movement pipeline.
11 APIs in this collection
IN THIS COLLECTION
- Stripe APIPayment and commerce infrastructure API covering card payments, subscriptions, marketplaces, and disputes.Financial services→
- Square Connect APISquare Connect API offers online and in-person payments, orders, inventory, and customer management — built for SMBs in retail and food service.Payment→
- The Plaid APIPlaid API connects to user bank accounts to pull transactions, balances, and identity — primarily serving fintech apps in US, CA, UK, EU.Financial services→
- Blockchain.com APIBlockchain.com (formerly Blockchain.info) API provides Bitcoin block explorer data — BTC address balance, transactions, blocks, market quotes, Wallet API.Financial services→
- CoinGecko APICoinGecko API provides real-time price, market cap, volume, and historical data for 13000+ cryptocurrencies — the most popular free crypto data API.Financial services→
- CoinMarketCap APICoinMarketCap (CMC) API provides cryptocurrency and exchange market data — one of crypto's most authoritative sources (Binance-acquired since 2020).Financial services→
- Binance APIBinance API is the official API of the world's largest crypto exchange — spot/futures/options trading, account management, WebSocket real-time market streams.Financial services→
- Kraken APIKraken Exchange API provides programmatic access to Kraken crypto exchange — spot, futures, margin trading; known for stability (no hack since 2011 founding).Financial services→
- KuCoin APIKuCoin API is KuCoin exchange's programmatic interface, known for rich altcoin listings — particularly friendly to emerging small-cap coin trading.Financial services→
- ExchangeRate-APIExchangeRate-API provides real-time and historical exchange rates for 160+ currencies — free tier without API key, conversion calculations supported.Financial services→
- Chainalysis APIChainalysis API provides blockchain compliance and forensics data — address risk scoring, KYT (Know Your Transaction) screening, sanctions list matching, on-chain investigation.Security & identity→