Integrations
Already plays nice with your stack.
Pre-built flows for every major ESP, CRM, and automation tool. Plus a REST API so you can build whatever isn't on the list.
REST API
OpenAPI spec, idempotent, bearer auth.
Webhooks
Async batch results, retried with backoff.
CSV / Excel
Drag, drop, dedupe, verify.
All integrations
Tap any integration for setup steps and the data we sync.
Mailchimp
Auto-clean lists before send. Sync verified lists back to Mailchimp audiences.
Setup guideHubSpot
Verify contacts on create + update. Status field synced to HubSpot.
Setup guideSalesforce
Lead and contact verification on form submit + bulk cleanup tools.
Setup guideBrevo
Verify contacts at the point of import. Block suppressed addresses automatically.
Setup guideSendGrid
Pre-flight verification before each send. Reduce bounces, lift inbox placement.
Setup guideKlaviyo
Profile-level verification. Suppress invalid addresses across flows.
Setup guideActiveCampaign
Tag risky contacts at sign-up. Keep deliverability above 99%.
Setup guideZapier
500+ Zaps. Trigger verification from any source, route results anywhere.
Setup guideMake
Visual scenarios with full verification metadata.
Setup guiden8n
Self-hosted workflows. Full API surface available as a node.
Setup guidePostmark
Verify before transactional sends. Reduce bounces in app flows.
Setup guideMailgun
Drop-in alternative to Mailgun Validations. Same checks, lower cost.
Setup guideDon't see your tool?
Our REST API + webhooks plug into anything. Or we'll build the integration — tell us what you need.