Best API Observability Products

End to End APIOps Platform

Open Source freemium $25.0 / Monthly (For 1 Workspace, 1 API, 250,000 Requests / mo)

Connect your backend to Chrome DevTools

Swagger UI is a dependency-free collection of HTML, Javascript, and CSS assets that dynamically generate beautiful documentation from a Swag

The Collaboration Platform for API Development

Open Source

SoapUI Pro is one of the most prominent API testing platforms around, allowing developers to quickly prototype the functions of their apps and get them to market with little hassle.

From error tracking to performance monitoring, developers can see what actually matters, solve quicker, and learn continuously about their applications - from the frontend to the backend.

API marketplace for finding and connecting to the world's top APIs.

Not all bugs are worth fixing. Prioritize and fix software bugs that matter while improving software stability with every release.

freemium

An zero-instrumentation observability tool based on eBPF

Grow and Monetize API Products

Open Source freemium

A collaborative developer hub for your API or code.

Gravitee.io is a flexible, lightweight and an open source API management solution.

Open Source freemium

See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.

freemium $15.0 / Monthly (per host)