OpenAlex API by OurResearch
Open catalog API of scholarly works, authors, institutions and citations for literature search.
Price
$1 / 1k requests
free tier, list price
Free tier
Yes
$1 of usage per day with a free API key
SDK downloads
—
no official SDK package
Pricing
| Free tier | $1 of usage per day with a free API key |
|---|---|
| Cheapest paid plan | — |
| Usage price | Single entity lookup free; list+filter $0.10 per 1,000 calls; search $1 per 1,000 calls; content download $10 per 1,000 calls |
| Good to know | Usage-priced in USD against a $1/day free budget; extra usage prepaid in $1 increments. Annual plans: Member $5,000/year ($20/day budget), Member+ $10,000/year, Partner from $20,000/year. per_1k is the search price. |
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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