/API TERMS
API Terms/Health & Science/OpenAlex

OpenAlex

openalex.org

Provides an open catalog and API of scholarly works, authors, institutions, sources, funders, and concepts linked into one dataset.

The OpenAlex API uses API key authentication; has freemium pricing; offers a free tier ($1 per day of API usage free for every account). Verified 2026-07-26 with per-field source links.

Health & Science Verified 2026-07-26 medium confidence
Base URL
not documented null
no source
Auth
API key
openalex.org ↗
Free tier
$1 per day of API usage free for every account
openalex.org ↗
Pricing model
freemium
openalex.org ↗
Pricing
Free $1/day budget; prepaid usage from $1 (expires 3 months); annual subscriptions: Member $5k ($20/day), Member+ $10k ($100/day), Partner from $20k ($200+/day); PDF archive via contact sales
openalex.org ↗
Rate limits
not documented null
no source
OpenAPI spec
not documented null
no source
MCP server
not documented null
no source