Notion API Tester - Query Databases and Pages via REST

About

Notion API Tester lets you test the Notion API directly from your browser. Paste a URL, set headers and body, send the request, and inspect the pretty-printed JSON response. No Postman, no terminal, no local server.

No subscriptions. No hidden fees. Completely free.

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KEY FEATURES
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- Send GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS requests
- Headers, query params, request body (JSON, form-data, raw)
- Auth: Bearer token, Basic, custom header
- Pretty-printed JSON response with status, time, and size
- Response history saved locally to your browser
- Import a curl command - converts to a request
- 100% offline - your requests never go through our server

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HOW TO USE
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1. Click the Notion API Tester icon in your toolbar
2. Enter the URL and method
3. Set headers, body, and auth
4. Send the request and inspect the response

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WHO IS THIS FOR?
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- Developers integrating with the Notion API
- QA engineers smoke-testing endpoints
- Solo founders building on Notion
- Anyone tired of switching to Postman for a one-off request

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PRIVACY & SECURITY
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- All processing happens locally in your browser
- We do not collect or transmit your work data
- No tracking, no analytics on your content
- No ads
- We collect your email address only for initial account verification

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REQUIREMENTS
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- Chrome (or Chromium-based browser)

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SUPPORT
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Having trouble? Visit our support page or leave a review and we'll get back to you.

Notion API Tester is built and maintained by SaaS Insiders.