Sparrow

AI-powered API testing platform with self-hosting support

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Sparrow is an API testing tool that supports natural language API calls, making it accessible for developers who want speed and simplicity. It offers self-hosting capabilities and AI-powered features for modern REST, GraphQL, and WebSocket testing. Built for developers who need a lightweight alternative to heavier tools like Postman.

At a glance

Company
Sparrow
Pricing
freemium
API available
No
Self-hostable
Yes
Launched
2025-07
Last verified
2026-05-11

Capabilities

natural-language-queriesself-hostingapi-testingai-assistedrest-apigraphql-support

Categories

developer-platformscode

Alternatives

For AI agents: machine-readable markdown version of this page at /tools/sparrow-9.md, or send Accept: text/markdown.