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Emails Checker

Published byPushkraj Jori
9/12/2026
Agent payments

Endpoints

2

Ungrouped Endpoints
2

What is the Emails Checker API?

A REST-based JSON API for real-time email verification. Validate addresses at the point of entry, before bad data reaches your database.

Emails Checker API is available on the JoJ API marketplace. Subscribe with a single JoJ API key, call it through one gateway, and pay from one wallet — no separate account or contract with the provider.

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Emails Checker API endpoints

  • GET/check

    Check

    Verify Emails

  • GET/time

    Health

    Check uptime

Frequently asked questions about Emails Checker API

What is emails checker?

Emails Checker is a free email verification tool that validates email addresses using a 9-step algorithm. It checks email syntax, domain validity, MX records, and SMTP deliverability to determine if an email address is real or fake.

How accurate is emails checker?

Emails Checker targets 98% accuracy on standard domains and backs it with a written 97.5% deliverability guarantee: if results fall short on a qualifying send, we refund your credits. The 9-step verification process checks syntax, domain records, disposable email detection, and SMTP validation.