VeriMails + REST API
Integrate email verification directly via REST API. Protect your sender reputation and improve deliverability with real-time SMTP verification.
Why Verify Emails in REST API?
Integrate verification into any workflow
The VeriMails API works with REST API to add email verification wherever you need it. Verify on form submission, during data import, or as a batch processing step.
Real-time and batch support
Whether you need single-email verification in milliseconds or bulk processing of thousands, the VeriMails API via REST API handles both with consistent accuracy.
Detailed verification results
Get more than just valid or invalid. VeriMails returns status codes, catch-all detection, disposable detection, and risk flags through REST API for granular decision-making.
Clean the list before it reaches REST API
Start with every address that can trigger an email in REST API: new contacts, imported CSV rows, signup forms, enrichment exports, and reactivated lists. Verify them before you send so invalid, disposable, role-based, and catch-all records are tagged instead of mixed into your next campaign.
For a one-time cleanup, export the list, run it through VeriMails, then import only the clean segment back into REST API. For recurring checks, use the API, Zapier, Make, or your existing automation layer to verify each new address before it becomes part of a sequence, newsletter, CRM stage, or customer journey. That gives your team a clean status before the next send starts.
VeriMails credits start at $0.0019 per email. Check pricing before your next REST API cleanup.
How to Connect VeriMails + REST API
Choose the integration method that fits your workflow. All methods give you the same verification accuracy.
Connect via VeriMails API
Sign up at verimails.com and copy your API key from the dashboard.
Export your REST API contact list as a CSV file or use the REST API API.
Upload the CSV to VeriMails for bulk verification, or use the API for real-time checks. Import verified contacts back to REST API.
Connect via Zapier
Set REST API as the trigger app and VeriMails as the action app in Zapier.
Connect the email field from REST API to the VeriMails verification action.
Use Zapier filters to route verified, invalid, and risky emails to different actions in REST API or other tools.
CSV Export / Import
Download your contacts or subscribers as a CSV file from REST API.
Upload the CSV to VeriMails. Bulk verification processes thousands of emails in minutes.
Download the verified results and import the clean list back into REST API. Remove or tag invalid contacts.
Benefits of Verifying REST API Emails
Simple REST API
One API call to verify any email. JSON response with status, catch-all detection, and risk signals.
Fast API response
Fast enough for real-time form validation. Verify emails on signup, checkout, or lead capture forms.
Bulk processing
Upload CSV files or use the batch API endpoint to verify thousands of emails in minutes.
Related Integrations
Webhooks
Get real-time verification results via webhooks
Google Sheets
Verify emails directly from Google Sheets
Mailchimp
Verify subscriber lists directly from Mailchimp
Brevo
Clean your Brevo contact lists automatically
Klaviyo
Verify Klaviyo profiles before sending campaigns
ActiveCampaign
Keep your ActiveCampaign lists clean and deliverable
Frequently Asked Questions
Start Verifying REST API Emails Today
Join thousands of teams who trust VeriMails for accurate, fast email verification.
Start Free