AgentData (agentdata.run)

Free company data for AI agents: company profiles, tech stacks with evidence and first/last-seen dates, email formats and recent tool switches for any business website. Hosted remote server, no sign-in, no card.

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Documentation

Free company data API for AI agents

128 million companies. Tech stacks, email addresses with verification status, web signals and decision-makers, by search, REST or MCP.

Free forever. No card, no trial, no credits. 1,000 contact reveals a day.

Search by company, domain, technology or place

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128M

companies

7.8M

email addresses found

3,723

technologies

4.1M

people

Browse the data. No account needed.

Every directory is a page you can open, and a query you can make from the API.

Or ask for exactly what you want

Any of these pages is one call away. A free key lifts the limits; no key is needed to start.

Coming from another data provider?

Field-by-field comparisons of what changes when you switch, including where the other tool still wins.