# Robinhood > Robinhood Markets offers commission-free trading of stocks, ETFs, options, and cryptocurrency. For developers, Robinhood publishes the Crypto Trading API — a REST interface at trading.robinhood.com for programmatic access to a user's own Robinhood Crypto account. Each request is authenticated with an API key plus an Ed25519 request signature (x-api-key, x-timestamp, x-signature headers). ## APIs - [Robinhood Crypto Trading API](https://docs.robinhood.com/crypto/trading/): Account, market data, trading pairs, holdings, and crypto order management. Base URL https://trading.robinhood.com. ## Specs - [OpenAPI (Crypto Trading)](https://raw.githubusercontent.com/api-evangelist/robinhood/refs/heads/main/openapi/robinhood-crypto-trading-openapi.yml) ## Operations - getCryptoTradingAccount — GET /api/v1/crypto/trading/accounts/ - getBestBidAsk — GET /api/v1/crypto/marketdata/best_bid_ask/ - getEstimatedPrice — GET /api/v1/crypto/marketdata/estimated_price/ - getTradingPairs — GET /api/v1/crypto/trading/trading_pairs/ - getHoldings — GET /api/v1/crypto/trading/holdings/ - getOrders — GET /api/v1/crypto/trading/orders/ - placeOrder — POST /api/v1/crypto/trading/orders/ - getOrder — GET /api/v1/crypto/trading/orders/{id}/ - cancelOrder — POST /api/v1/crypto/trading/orders/{id}/cancel/ ## Docs - [Crypto Trading API docs](https://docs.robinhood.com/crypto/trading/) - [Support](https://robinhood.com/us/en/support/) - [Status](https://status.robinhood.com) - [Security policy (HackerOne)](https://hackerone.com/robinhood) - [Newsroom / Blog](https://newsroom.aboutrobinhood.com/)