freeapis

uchecker

Bulk email verification with full SMTP server responses

Authentication
API Key
HTTPS
Yes
CORS
Unknown
Category
Email

Overview

uchecker provides bulk email verification — key-based.

⚠️ Status (verified 2026-08): a guessed path returned HTTP 404 (“404 page not found”) — the route paths differ. Check the docs for valid routes.

What it provides

curl "https://api.uchecker.net/v1/verify?email=test@example.com&apikey=YOUR_KEY"

Notes

  • Bulk verification/SMTP.
  • Route paths per the docs.

FAQ

Is uchecker free? Key-based with a free tier per the docs.

Why 404? Our 2026-08 guess path was wrong (verified) — check the docs.

What does it return? Verification data.

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