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Datacircle

A data co-op: B2B data APIs with no markup

Updated Oct 10, 2026

Overview

Datacircle is a data co-op: it passes requests to B2B data providers' APIs at the providers' own prices, with no markup. An agent sends the provider's own request to api.datacircle.dev with a Datacircle key and an X-Data-Provider header, and each request fetches the data live.

Three LinkedIn profile APIs are live: Up2Data, HarvestAPI and Fetchin. Workspaces that have added $50 in funds also get a flat file every morning of their data plus every other member's. A new account signed up with a work email starts with a $5 credit.