API Keys

Integrate powerful academic search into your applications.

API documentation

Learn how to authenticate, search papers, handle rate limits, and integrate the Papers API into your application.

Your API usage

API plans

Same subscription powers the platform and API.

Current

Free

Test integrations and personal projects.

100 req/hr

2 API keys

Shared hourly rate limit

Simple & advanced search

Up to 100 results per request

Popular

Plus

Active development and moderate API traffic.

300 req/hr

5 API keys

Shared hourly rate limit

Simple & advanced search

Up to 100 results per request

Pro

Production apps and higher throughput.

2,000 req/hr

20 API keys

Shared hourly rate limit

Simple & advanced search

Up to 100 results per request