API Catalog Email APIs

Email APIs

Validate, verify, and send emails

Complete email infrastructure APIs for modern applications. Real-time validation, deep mailbox verification, bulk processing, and transactional email sending with templates and tracking.

Email Validation

Popular

Real-time email validation with syntax check, MX verification, disposable detection, and typo suggestions.

POST /api/v1/email/validate
{ "email": "user@example.com" }

// Response
{ "valid": true, "mx_records": true,
  "disposable": false, "suggestion": null }
Syntax Check MX Lookup Disposable Detection

Email Verification

Deep mailbox verification via SMTP handshake. Confirm if an email actually exists before sending.

POST /api/v1/email/verify
{ "email": "user@example.com" }

// Response
{ "exists": true, "catch_all": false,
  "deliverable": true, "score": 95 }
SMTP Check Catch-All Detection Deliverability Score

Bulk Email Validation

Validate thousands of emails at once. Upload CSV or JSON, get results via webhook or download.

POST /api/v1/email/bulk-validate
{ "emails": ["a@test.com", "b@test.com"],
  "webhook_url": "https://..." }

// Response
{ "job_id": "abc123", "count": 2,
  "status": "processing" }
CSV Upload Webhook Callback Progress Tracking

Transactional Email

Send transactional emails via API. Support for templates, attachments, and tracking.

POST /api/v1/email/send
{ "to": "user@example.com",
  "subject": "Welcome!",
  "template": "welcome_email",
  "data": { "name": "John" } }
Templates Attachments Open Tracking

Ready to integrate Email APIs?

Get your API key and start validating emails in minutes.