Check email deliverability API
/email_ping
Tests the deliverability of one or more supplied email addresses.
Example Request
GETRequest Schema
emails
One or more comma-separated email addresses.
Available Response Data
4 Data PointsBatch Processing Status
Array of Analysed Emails
Deliverability Result Codes
Deliverable, Undeliverable, Undetermined
Safe-To-Send Flags
API Data Scale & Coverage tag
Unmatched data depth to power your compliance and verification workflows.
Technical Use Cases tag
Sender Reputation Protection
Automatically ping emails at the point of sign-up to block disposable domains and hard-bounces, protecting your domain's sending score.
Database Hygiene
Scrub stale marketing lists prior to massive campaign deployments to ensure maximum inbox placement.
Webhooks & Events tag
Synchronous
SMTP verification
Compliance & Security tag
Enterprise-grade infrastructure audited against the standards your regulators require.
Common Questions tag
Everything you need to know about implementation details and compliance infrastructure.
help_center General
Does this send an actual email to the user?
add
Does this send an actual email to the user?
No, this performs a deep-level SMTP handshake and syntax check to verify the inbox exists, without ever sending a visible message to the user.
API Testing Sandbox tag
Test the Check email deliverability API directly in your browser with live mock data and see instant results.
rocket_launch Request Sandbox AccessAccess to live sandbox environments requires manual approval from our compliance team.
Ready to integrate Check email deliverability API?
Talk to our team about credentials, sandbox access and the right combination of endpoints for your workflow.
