Fusio

Fusio

Self-hosted API management and API gateway platform

2.1kstars
235forks
Last commit: 17d ago
Repo age: 11y old
Fusio screenshot

Fusio is a self-hosted API management platform for building and operating APIs through a central gateway. It helps expose existing systems (like databases or microservices) as modern REST endpoints and provides tooling for documentation, consumers, and lifecycle management.

Key Features

  • API gateway to route and mediate requests to internal services and backends
  • API management backend UI for configuring routes, schemas, and access
  • Developer portal capabilities for API consumers (documentation and onboarding)
  • OpenAPI-based API documentation and specification generation
  • SDK automation to generate client SDKs for multiple languages
  • Usage analytics to observe API consumption and detect issues
  • Extensible app system with installable web apps and integrations

Use Cases

  • Expose legacy databases as managed REST APIs
  • Provide a managed API gateway for microservices and internal systems
  • Publish and operate partner or public APIs with a developer portal and client SDKs

Fusio is a strong fit for teams that want a self-managed, extensible API platform combining gateway, management UI, and developer-facing tooling in one product.

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