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 snapshots

Tracking since Apr 18, 2026.

6.1653.84Apr 18, 2026Jun 6, 2026
View as table
DateUsersRatingReviewsVersion
Apr 18, 202651.0.17 (Production)
May 12, 202661.0.17 (Production)
May 25, 202641.0.17 (Production)
Jun 6, 202651.0.17 (Production)
Now61.0.17 (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

InboxDebug - Email API Tester screenshot 1InboxDebug - Email API Tester screenshot 2InboxDebug - Email API Tester screenshot 3InboxDebug - Email API Tester screenshot 4InboxDebug - Email API Tester screenshot 5

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

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Data sourced from the Chrome Web Store · last verified Jun 6, 2026.