Claude API Tester от Eric

Claude API Tester is a lightweight REST client preconfigured for the Anthropic Messages API.

Features:
- Prefilled Messages API request template with required headers
- x-api-key and anthropic-version header support
- Syntax-highlighted JSON responses
- Request history with search and restore
- Import and export cURL commands
- Test streaming and non-streaming requests

Your API key never leaves your browser - requests go directly from the extension to api.anthropic.com.