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For AI agents: read llms.txt for a full index, and Authentication before calling any endpoint. Base URL: https://api.openfunnel.dev.
Agent Primitives are the most widely used GTM Flows exposed through APIs. Where Product APIs manage your workspace, primitives are stateless data fetchers designed to be chained inside an agent loop, to build your own custom workflows.

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Primitives

Lookalike search

Find companies similar to a seed set.

Technography search

Find companies by tech stack from recent job posts.

Deep research

Answer natural-language questions about a single company.

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Helpers

Supporting endpoints for the primitives, country-code options, async job pollers, and company lookup. See the Helpers group in the sidebar.

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Authentication

All primitive requests require the X-API-Key header — the same key used for the Product APIs and the OpenFunnel MCP. See Authentication to get a key.

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Pricing

See Credits for the per-endpoint credit costs.