InboxDebug - Email API Tester
Test and debug email APIs directly from your browser - InboxDebug.com
As of June 2026, InboxDebug - Email API Tester has 6 users in the Developer Tools category.
Usersup 20.0 percent+20.0%
6
6
Ratingno change0%
—
— reviews
Reviewsno change0%
—
Version
1.0.17 (Production)
Manifest V3
History
4 snapshotsTracking since Apr 18, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 18, 2026 | 5 | — | — | 1.0.17 (Production) |
| May 12, 2026 | 6 | — | — | 1.0.17 (Production) |
| May 25, 2026 | 4 | — | — | 1.0.17 (Production) |
| Jun 6, 2026 | 5 | — | — | 1.0.17 (Production) |
| Now | 6 | — | — | 1.0.17 (Production) |
Permissions & access
- Permissions
- storageactiveTabnotificationsalarms
- Host access
- https://api.resend.com/*, https://api.sendgrid.com/*, https://api.postmarkapp.com/*, https://api.inboxdebug.com/*, https://api-sandbox.inboxdebug.com/*
Screenshots
About
InboxDebug is the essential Chrome extension for developers working with email APIs. Test, debug, and validate your email integrations without leaving your browser or writing test code.
✨ **Key Features:**
📧 **Multi-Provider Support**
• Resend.com, SendGrid, Postmark (more providers coming soon)
• AWS SES (planned)
⚡ **Instant Testing**
• Send test emails with one click
• Real-time API response inspection
• Full request/response headers and body
📝 **Smart Templates**
• Create reusable email templates
• Variable substitution with {{placeholders}}
• Template library for common use cases
• Import/export templates
💼 **Subscription Tiers:**
• **Free**: 50 emails/month, 5 templates
• **Pro Early Bird** (First 100 customers): $29/mo, $149/6mo, $199/year, $399 lifetime
• **Pro Regular** (After 100 customers): $59.99/mo, $299/6mo, $399/year
• Unlimited emails, unlimited templates, priority support
⚙️ **Developer-Friendly:**
• Dark/light mode
• Keyboard shortcuts
• JSON/HTML response viewer
🎯 **Perfect For:**
• Testing email workflows during development
• Debugging email delivery issues
• Validating email templates
• API integration testing
• Quick email service health checks
📚 **How It Works:**
1. Install the extension
2. Add your API key (encrypted locally)
3. Compose or select a template
4. Send and inspect the response
5. Track in history for future reference
🌟 **Why InboxDebug?**
• Save hours of development time
• No more console.log debugging
• Professional email testing workflow
• Works with your existing email provider
• No credit card required for free tier
🔗 **Links:**
• Website: https://inboxdebug.com
• Support: [email protected]Technical
- Version
- 1.0.17 (Production)
- Manifest
- V3
- Size
- 196KiB
- Min Chrome
- 90
- Languages
- 1
- Featured
- No
Metadata
- ID
- kkfolebfdkahjpfcdfnkibknddjobejm
- Developer ID
- ucf825b6bcd08a5b027a4244be3e6ad49
- Developer Email
- [email protected]
- Created
- Oct 1, 2025
- Last Updated (Store)
- Oct 7, 2025
- Last Scraped
- Jun 6, 2026
- Website
- inboxdebug.com
- Support URL
- https://inboxdebug.com/support
- Privacy Policy
- https://inboxdebug.com/privacy
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Data sourced from the Chrome Web Store · last verified Jun 6, 2026.