Semantic Scholar API by Ai2 (Allen Institute for AI)
Free API for papers, authors, citations and recommendations from the Semantic Scholar academic graph.
＋ Build a stack with Semantic Scholar API Website Official pricing
Price
Free plan
list price
Free tier
Yes
Free; unauthenticated 1000 requests per second shared...
SDK downloads
—
no official SDK package
Pricing
| Free tier | Free; unauthenticated 1000 requests per second shared among all users; API key introductory limit 1 RPS |
|---|---|
| Cheapest paid plan | — |
| Usage price | — |
| Good to know | No paid plans listed; API keys are requested via a form. Unauthenticated traffic may be throttled under heavy use. |
From the official pricing page, checked Oct 10, 2026. Prices change: confirm before you buy.
Use it from an agent
| MCP server | Community servers only |
|---|
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