alpaca.markets

Alpaca provides brokerage infrastructure and APIs for trading stocks, options, crypto, market data, and embedded brokerage products. Its platform serves both direct traders using the Trading API and businesses building brokerage applications with the Broker API.

4 integrations · MCP · REST · CLI

Alpaca exposes HTTP APIs for Trading and Broker integrations, a public MCP endpoint at https://mcp.alpaca.markets/mcp, and an `alpaca` CLI for Trading/Market Data workflows.

discovered 1d ago

MCP servers1

Alpaca MCP Serverdiscoveredstreamable-http

REST · OpenAPI2

Alpaca Trading APIdiscoveredrest
Alpaca Broker APIdiscoveredrest

CLI1

Alpaca Trading CLIdiscoveredalpaca

Credentials

Alpaca Trading account OAuth loginoauth2$ alpaca profile login

Acquired by the CLI — running alpaca profile login opens the auth flow and stores the credential.

Alpaca Trading API key pairapi_keyGet key ↗

Create a Trading API account from Trading API signup, then generate paper or live API credentials from the Trading Dashboard as described in How to Get Alpaca's Trading API Key and Start Connecting and the Authentication docs. Alpaca refers to these as API keys and secret keys; use the pair your account issues.

Alpaca Broker API credentialsapi_keyGet key ↗

Create a Broker account from Broker signup, then use the Broker Dashboard credentials flow referenced in Credentials Management and Getting Started with Broker API to create your Broker API credentials.

conventions · 1/8 published

integrations.json✗/.well-known/integrations.json
llms.txt✓https://alpaca.markets/llms.txt
API catalog✗/.well-known/api-catalog
OpenAPI document✗/api/schema/, /openapi.json, /swagger.json, /api/openapi.json, or /v1/openapi.json
MCP server card✗/.well-known/mcp/server-card.json
OAuth protected resource✗/.well-known/oauth-protected-resource
Agent card✗/.well-known/agent-card.json
Agent skills✗/.well-known/agent-skills/index.json

Publish these signals → /publishing