Fusio

Self-hosted, open-source API management platform for building and governing APIs

PlatformWebfreeglobal

Fusio is a self-hosted, open-source API management platform that helps developers turn business logic into documented, scalable APIs for both human developers and AI agents. It bundles API gateway, documentation, and backend management in one PHP-based system teams run on their own infrastructure. Best suited for teams wanting full control over their API stack rather than a managed SaaS gateway.

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Problem & pain-point mapping
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What it's a strong alternative to
Trust & credibility signals

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