aid: alpaca
url: https://raw.githubusercontent.com/api-evangelist/alpaca/refs/heads/main/apis.yml
name: Alpaca
x-type: company
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
  - Fintech
  - Trading
  - Stocks
  - Crypto
  - Brokerage
  - Market Data
  - Options
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
description: >-
  Alpaca is an API-first commission-free stock and crypto trading broker
  offering trading, market data, options, and broker-as-a-service APIs.
  Alpaca publishes its OpenAPI specifications publicly via the alpacahq/alpaca-docs
  GitHub repository, with separate specs for Trading, Broker, Market Data, and OAuth.
apis:
  - aid: alpaca:trading-api
    name: Alpaca Trading API
    tags:
      - Trading
      - Stocks
      - Options
      - Crypto
      - Orders
    image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    baseURL: https://api.alpaca.markets/v2
    humanURL: https://docs.alpaca.markets/docs/trading-api
    description: >-
      The Alpaca Trading API enables commission-free trading of US-listed equities,
      options, and crypto. It exposes endpoints for orders, positions, account
      information, watchlists, calendar, clock, and assets. A paper trading
      sandbox is available at paper-api.alpaca.markets.
    properties:
      - type: Documentation
        url: https://docs.alpaca.markets/docs/trading-api
      - type: OpenAPI
        url: openapi/alpaca-trading-api-openapi.yml
      - type: Sandbox
        url: https://paper-api.alpaca.markets/v2
    x-features:
      - Commission-free US equity and options trading
      - Multi-leg options orders
      - Crypto trading 24/7
      - Paper trading environment
      - Account, positions, orders, watchlists endpoints
    x-use-cases:
      - Build automated trading strategies
      - Power retail trading apps
      - Backtest with paper trading sandbox
  - aid: alpaca:market-data-api
    name: Alpaca Market Data API
    tags:
      - Market Data
      - Stocks
      - Crypto
      - Options
      - Real-time
      - Historical
    image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    baseURL: https://data.alpaca.markets
    humanURL: https://docs.alpaca.markets/docs/about-market-data-api
    description: >-
      The Alpaca Market Data API delivers real-time and historical pricing data
      for US stocks (SIP and IEX feeds), options (OPRA), and crypto. Supports
      REST and WebSocket streaming with bars, quotes, trades, snapshots, and
      corporate actions endpoints. 7+ years of historical data available.
    properties:
      - type: Documentation
        url: https://docs.alpaca.markets/docs/about-market-data-api
      - type: OpenAPI
        url: openapi/alpaca-data-api-openapi.yml
    x-features:
      - Real-time stock quotes via WebSocket
      - OPRA options market data
      - Crypto market data 24/7
      - 7+ years historical OHLCV
      - SIP and IEX feed support
    x-use-cases:
      - Stream live prices into trading bots
      - Backtest strategies with historical bars
      - Power chart and ticker UIs
  - aid: alpaca:broker-api
    name: Alpaca Broker API
    tags:
      - Brokerage
      - Embedded Finance
      - White Label
      - Compliance
      - Trading
    image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    baseURL: https://broker-api.alpaca.markets/v1
    humanURL: https://docs.alpaca.markets/docs/about-broker-api
    description: >-
      The Alpaca Broker API powers white-label brokerage and embedded finance
      products. It exposes endpoints for account onboarding, KYC/AML, ACATS
      transfers, ACH funding, journals, and trading on behalf of end users.
    properties:
      - type: Documentation
        url: https://docs.alpaca.markets/docs/about-broker-api
      - type: OpenAPI
        url: openapi/alpaca-broker-api-openapi.yml
    x-features:
      - Account onboarding and KYC
      - ACATS and ACH transfers
      - Journal between accounts
      - Trading on behalf of end users
      - Rebalancing portfolios
    x-use-cases:
      - Launch a neo-broker or robo-advisor
      - Embed trading in fintech apps
      - Operate a white-label brokerage
  - aid: alpaca:oauth-api
    name: Alpaca OAuth API
    tags:
      - OAuth
      - Authentication
      - Authorization
    image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    baseURL: https://api.alpaca.markets/oauth
    humanURL: https://docs.alpaca.markets/docs/oauth-tokens
    description: >-
      The Alpaca OAuth API allows third-party applications to authenticate
      Alpaca users and obtain access tokens for the Trading and Market Data APIs.
    properties:
      - type: Documentation
        url: https://docs.alpaca.markets/docs/oauth-tokens
      - type: OpenAPI
        url: openapi/alpaca-oauth-api-openapi.yml
    x-features:
      - OAuth 2.0 authorization code flow
      - Token issuance and refresh
      - Scope-limited access
    x-use-cases:
      - Build apps that act on behalf of Alpaca users
      - Integrate Alpaca login into third-party tools
common:
  - type: Portal
    url: https://alpaca.markets/
  - type: Documentation
    url: https://docs.alpaca.markets/
  - type: Pricing
    url: https://alpaca.markets/data
  - type: GitHub
    url: https://github.com/alpacahq
  - type: Status
    url: https://status.alpaca.markets/
  - type: Terms of Service
    url: https://alpaca.markets/legal
  - type: Privacy Policy
    url: https://alpaca.markets/privacy
  - type: Plans
    url: plans/alpaca-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/alpaca-rate-limits.yml
  - type: FinOps
    url: finops/alpaca-finops.yml
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com