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The Consensus API lets you search 220+ million peer-reviewed papers over a single REST endpoint. Send a query and get back ranked papers with titles, authors, journals, publication years, citation counts, and direct links. Base URL

Authentication

Every request must include your API key in the x-api-key header.
Don’t have a key yet? Request API access at consensus.app/home/api.

Make your first request

Pass a query — the only required parameter. Store your key in an environment variable named CONSENSUS_API_KEY first.

Next steps

Search endpoint reference

Full parameter list, response schema, and interactive playground.

API on GitHub

Client code, examples, and issues for the Consensus API.

MCP server

Prefer a no-code path? Connect Consensus to Claude, ChatGPT, and other MCP clients.

Consensus website

Explore the Consensus research platform.