RocketVerifier
Documentation

RocketVerifier API

The most accurate and developer-friendly email verification API. Verify emails in real-time or batch process millions with ease.

Quick Start

Try it in 30 seconds
cURL
curl -X POST https://api.rocketverifier.com/v1/verify \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"email": "user@example.com"}'
Get StartedView API Reference

Why RocketVerifier?

Lightning Fast

Verify emails in under 500ms. Our distributed infrastructure ensures low latency worldwide.

99.5% Accuracy

Industry-leading accuracy with comprehensive SMTP, MX, and domain validation.

20+ Integrations

Native integrations with Mailchimp, HubSpot, Zapier, WordPress, and more.

SDKs for Every Language

Official libraries for Node.js, Python, PHP, Ruby, Go, and more.

API Endpoints

POST/v1/verify
POST/v1/verify/batch
GET/v1/credits
POST/v1/webhooks

Response Format

All responses follow a consistent, industry-standard format for easy integration.

200 OKSuccessful verification
{
  "email": "user@example.com",
  "status": "deliverable",
  "reason": "accepted_email",
  "domain": {
    "name": "example.com",
    "acceptAll": "no",
    "disposable": "no",
    "free": "no"
  },
  "provider": "google.com",
  "score": 95
}

Verification Statuses

deliverable

Email is valid and accepts mail

undeliverable

Email does not exist or is invalid

risky

Email may have deliverability issues

unknown

Unable to determine (catch-all, timeout)

Ready to get started?

Create an account and get your API key to start verifying emails in minutes.

Create Free AccountRead the Quick Start Guide