InboxDebug - Email API Tester icon

InboxDebug - Email API Tester

by Inbox Debug · inboxdebug.com · Developer Tools
Manifest V3 in_app
View in Chrome Web Store Data as of 16 Oct 2026

Test and debug email APIs directly from your browser - InboxDebug.com

Users
6
0 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#238K
#199K among extensions
Version
1.0.17 (Production)
updated 7 Oct 2025

Users

monthly, 13 months
048Oct 2025May 2026Oct 2026
Latest, 16 Oct 2026: 6 usersMove the mouse over the chart for any month

Ratings count

monthly, 13 months
001Oct 2025May 2026Oct 2026
Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About InboxDebug - Email API Tester

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: support@inboxdebug.com

Growth

WindowUsersChangeRatingsRating
7 days−1−14.3%00.00
30 days0+0.0%00.00
6 months0+0.0%00.00
1 year+5+500.0%00.00

Version history

3 versions recorded
1.0.17 (Production)7 Oct 2025
1.0.12 (Production)1 Oct 2025
1.0.15 (Production)1 Oct 2025

Details

Category
Developer Tools
First seen
1 Oct 2025
Size
196 KB
Languages
en
Pricing
in_app
Privacy policy
inboxdebug.com
Support
inboxdebug.com
Extension ID
kkfolebfdkahjpfcdfnkibknddjobejm

Permissions and risk

Low riskimpact 1, likelihood 2
Permissions
storageactiveTabnotificationsalarms
Site access
https://api.resend.com/*https://api.sendgrid.com/*https://api.postmarkapp.com/*https://api.inboxdebug.com/*https://api-sandbox.inboxdebug.com/*

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