Does it support HTML transactional email rendering?

Yes! Our viewer renders full HTML templates, styling, and embedded media safely.

How fast is message delivery for staging tests?

Emails typically appear within 200ms to 2 seconds of Google receiving the message.

Is there an API rate limit for automated testing?

Public endpoints allow up to 120 requests per minute per IP, making it suitable for standard test suites.

Do test emails get cleaned up automatically?

Yes! All messages are permanently expunged via IMAP every 5 minutes.

DEVELOPER & QA TOOLINGDeveloper & QA Tooling100% REAL GMAIL

Real Gmail IMAP Test Inbox for QA & Developers

Test SendGrid, Postmark, AWS SES, and Resend transactional email deliverability against real Google Gmail mailboxes with real-time SSE live streaming.

INTERACTIVE VERIFICATION INBOX

Ready for Developer & QA Tooling Codes

5-Minute Auto Expunge

PUBLIC FEED & 5-MINUTE AUTO-PURGE NOTICE

Emails arriving below are publicly visible and permanently wiped from Google servers after 5 minutes.

Auto 5-Min TTL

Live Incoming Feed

0 Messages

Updated just now

Waiting for Incoming Emails...

Send your verification OTP to temp.verify.street99@gmail.com. New messages will appear here in real-time.

Polling Google IMAP server every 5 seconds...

OPTIMIZED DELIVERABILITY

Key Advantages for Developer & QA Tooling

Real Google IMAP Pipeline

Test your transactional emails against real Google spam filters, HTML rendering engines, and SPF/DKIM verification.

Automated OTP Extraction

Validates that your verification code regex correctly formats 4, 6, and 8-digit OTP tokens.

Real-Time SSE Stream

Sub-second Server-Sent Events stream for automated end-to-end integration and Cypress/Playwright tests.

Automated 5-Min TTL Expunge

Keeps test mailboxes clean without requiring manual inbox cleanup scripts or API maintenance.

QUICK GUIDE

3 Steps to Receive Your Verification Code

STEP 01

Target Public Gmail

Point your staging transactional mailer (SendGrid/Resend) to any active address.

STEP 02

Trigger Event

Trigger your app’s signup, password reset, or OTP notification event.

STEP 03

Inspect Payload

Inspect the rendered HTML, check OTP parsing, and verify delivery latency in real-time.

Why Developers Need Real Google Mailboxes for QA Testing

Mock SMTP servers (like MailHog or ethereal.email) are useful for local unit tests, but they fail to test critical production realities: 1. Google SPAM & Promotions Filtering: Does your HTML trigger Gmail's spam filters? 2. Gmail CSS Support: Does your responsive transactional template render cleanly on Gmail's web and mobile clients? 3. DKIM / SPF / DMARC Alignment: Are your transactional email headers correctly authenticated by Google MX servers? #

High-Throughput Developer Sandbox

Our Public Temp Gmail OTP Engine allows QA engineers and backend developers to test genuine end-to-end deliverability against authentic Google Workspace and Gmail addresses. With automated 5-minute IMAP expunging, your staging accounts never hit mailbox quota limits.

FREQUENTLY ASKED QUESTIONS

Frequently Asked Questions

Yes! You can query our public JSON API endpoint /api/inbox/:email to assert that OTPs were generated and received correctly in CI/CD.

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