# Alpaca

**Canonical:** https://apis.io/providers/alpaca/  
**Website:** https://alpaca.markets/  
**APIs profiled:** 23

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.

## Kin Score — 63.2 / 100 (strong)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 63.2).

| Facet | Score |
|---|---|
| Discoverability | 92.6 |
| Contract Quality | 68.8 |
| Governance | 43.9 |
| Contract Governance | 43.9 |
| Operational Transparency | 63.2 |
| Developer Ergonomics | 53.6 |
| Commercial Clarity | 34.2 |
| Access Clarity | 34.2 |

Regulatory layer — **Securities & Market Data**: 73.3 (matched via tags).

## Agent readiness — 52.4 (agent-native)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | yes |
| Idempotency | documented |
| Error Semantics | documented |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | derived |
| Agent Skills | yes |
| Well Known Catalog | yes |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (23)

- **Alpaca Trading API** — The Alpaca Trading API enables commission-free trading of US-listed equities, options, and crypto. It exposes endpoints for orders, positions, account information, watchlists, c...
- **Alpaca OAuth API** — The Alpaca OAuth API allows third-party applications to authenticate Alpaca users and obtain access tokens for the Trading and Market Data APIs.
- **Alpaca Account Activities API** — Head to https://alpaca.markets/docs/api-references/trading-api/account-activities/ to view complete documentation on the Account Activities API.
- **Alpaca Account Configurations API** — Head to https://alpaca.markets/docs/api-documentation/api-v2/account-configuration/ to view complete documentation on the Account Configurations API.
- **Alpaca Accounts API** — The Accounts API from Alpaca — 14 operation(s) for accounts.
- **Alpaca Assets API** — The Assets API from Alpaca — 2 operation(s) for assets.
- **Alpaca Calendar API** — The Calendar API from Alpaca — 2 operation(s) for calendar.
- **Alpaca Clock API** — The Clock API from Alpaca — 2 operation(s) for clock.
- **Alpaca Corporate Actions API** — The Corporate Actions API from Alpaca — 1 operation(s) for corporate actions.
- **Alpaca Crypto Pricing Data API API** — The Crypto Pricing Data API API from Alpaca — 17 operation(s) for crypto pricing data api.
- **Alpaca Documents API** — The Documents API from Alpaca — 3 operation(s) for documents.
- **Alpaca Events API** — The Events API from Alpaca — 4 operation(s) for events.
- **Alpaca Funding API** — The Funding API from Alpaca — 7 operation(s) for funding.
- **Alpaca Journals API** — The Journals API from Alpaca — 4 operation(s) for journals.
- **Alpaca Logo API** — The Logo API from Alpaca — 1 operation(s) for logo.
- **Alpaca News API** — The News API from Alpaca — 1 operation(s) for news.
- **Alpaca Orders API** — Head to https://alpaca.markets/docs/api-documentation/api-v2/orders/ to view complete documentation on the Orders API.
- **Alpaca Portfolio History API** — Head to https://alpaca.markets/docs/api-documentation/api-v2/portfolio-history/ to view complete documentation on the Portfolio History API.
- **Alpaca Positions API** — Head to https://alpaca.markets/docs/api-documentation/api-v2/positions/ to view complete documentation on the Positions API.
- **Alpaca Screener API** — The Screener API from Alpaca — 1 operation(s) for screener.
- **Alpaca Stock Pricing Data API API** — The Stock Pricing Data API API from Alpaca — 16 operation(s) for stock pricing data api.
- **Alpaca Watchlist API** — The Watchlist API from Alpaca — 2 operation(s) for watchlist.
- **Alpaca Watchlists API** — Head to https://alpaca.markets/docs/api-documentation/api-v2/watchlist/ to view complete documentation on the Watchlist API.

## MCP servers (1)

- **Alpaca MCP Server**

## Agentic access (1)

- **Alpaca Agentic Access** — 119 operations · 39 acting

## Security (4)

- **Alpaca Authentication** — apiKey/http/oauth2 · 5 schemes
- **Alpaca Domain Security** — TLSv1.3 · HSTS · DMARC
- **Alpaca Vulnerability Disclosure** — Hackerone · contact published
- **Alpaca Trust Center** — SOC 2 Type 2, ISO 27001:2022, GDPR, UK ICO Data Protection

## Plans (1)

- **Alpaca Plans Pricing**

## Tags

Fintech, Trading, Stocks, Crypto, Brokerage, Market Data, Options

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/alpaca/). Scores are computed from the provider's own public artifacts under a published rubric.