The AI API Client

Designed for developers who move fast, Speedpost is the smartest way to test APIs with AI.

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Why Speedpost

Build, test, and explore your APIs with an intelligent client.

Understands your codebase

The API Client that knows your codebase

Index your repo so endpoints, schemas, and auth are auto-detected and your testing UI is pre-wired.

Test in natural language

Test in Natural Language

Describe the scenario, and SpeedPost crafts requests, sequences, and assertions. Share reproducible test links.

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Get early access to Speedpost and product updates.