Thunder Client
API testing tool
- Authentication
- No auth
- HTTPS
- Yes
- CORS
- Yes
- Category
- Development
- Data source
- public-apis
- Documentation / URL
- https://www.thunderclient.com/
Overview
Thunder Client is an API-testing tool (VS Code extension) — no public REST API.
⚠️ Status (verified 2026-08): a guessed API path returned HTTP 404 (HTML) — the product has no public API endpoint. Use it as a desktop tool.
What it is
- VS Code extension for API testing.
- No keyless REST API.
FAQ
Is Thunder Client free? Yes — the extension is free.
Why 404? There’s no public API (verified) — it’s a desktop tool.
What does it do? API testing.
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