tastytrade Open API

Trade programmatically — built for developers and AI agents

A REST/JSON API for equities, options, futures, futures options, and cryptocurrency. Place orders, stream market data, and manage accounts — with a safety-first MCP server for autonomous agents.

Explore the API Reference →Read the guides

Start with what you're building

Trade

Place, manage, and track equity, option, futures, and crypto orders — single and complex (OTO/OCO/OTOCO).

Orders reference →

Market data

Real-time and historical quotes, option chains with Greeks, and market metrics (IV rank, liquidity, beta).

Market data reference →

Accounts & balances

Buying power, net-liq, positions, transactions, and margin requirements across your accounts.

Balances reference →

AI agents

Drive trading from an LLM via the self-hosted, open-source MCP server — order submission gated by dry-run-first confirmation.

MCP server →

Tools & integrations

API Reference98 operations, interactive GuidesIdempotency, rate limits, more MCP ServerAgent trading, safety-gated PostmanImportable collection llms.txtMachine index for agents ErrorsCodes, causes, fixes

Agent-first by design

Every page is available as clean Markdown (append .md or send Accept: text/markdown). Agents can discover everything from /llms.txt — a curated index with a golden-path instructions block — then read endpoints with embedded OpenAPI, follow error docUrls to fixes, and act safely through the MCP server.