Integrations

Connect Mailchimp, HubSpot, Klaviyo, SendGrid, ActiveCampaign, Brevo, and 11 other platforms directly. Verify-only or clean-list-automatically modes, code-verified defaults, ConvertKit no-Delete exception, multi-account support, 1 credit per address.

17 native integrations covering the major ESPs and CRMs: Mailchimp, HubSpot, Klaviyo, SendGrid, ActiveCampaign, Brevo, and 11 others. No-code setup from the dashboard.

Connect Mailchimp through OAuth (one-click), pick audiences or segments to verify, and optionally apply cleanup actions back to your Mailchimp account. Tags and merge fields are preserved.

Disconnect Mailchimp from the Integrations page row menu, then revoke the OAuth grant inside Mailchimp under Account → Settings → Integrations. Deleting the connection also clears its sync history.

After OAuth-connecting Mailchimp, every audience and segment your account can read appears in the VEC list picker with live subscriber counts. Pick one per run, then choose Verify Only or Clean List Automatically.

For Mailchimp cleanups, VEC offers Keep, Unsubscribe, and Delete per category. Tags, merge fields, and signup metadata survive Keep and Unsubscribe. Subscribers in active automations cannot always be deleted.

Connect HubSpot via OAuth, choose a contact list, then pick Verify Only or Clean list automatically. The clean-list mode has configurable actions (Keep/Unsubscribe/Delete) per email type.

Disconnect HubSpot from the Integrations page row menu, then revoke the OAuth grant inside HubSpot under Settings → Integrations → Connected Apps. Deleting the connection also clears its sync history.

After OAuth-connecting HubSpot, the list picker shows All Contacts, Static lists, and Active lists with live member counts. Pick one per run, then choose Verify Only or Clean List Automatically.

For HubSpot cleanups, VEC offers Keep, Unsubscribe, and Delete per category. Defaults: Invalid+Disposable enabled, Catch-all/Unknown/Risky disabled. Contact properties and activity history survive Keep and Unsubscribe.

Connect Klaviyo via Private API Key, verify lists or segments, and optionally clean profiles back into Klaviyo. Profile properties and event history are preserved through all cleanup actions.

Disconnect Klaviyo from the Integrations page row menu, then revoke the Private API key inside Klaviyo under Account → Settings → API Keys. Deleting the connection also clears its sync history.

After connecting Klaviyo with a private API key, every list and segment your key can read appears in the VEC list picker with live profile counts. Pick one per run, then choose Verify Only or Clean List Automatically.

For Klaviyo cleanups, VEC offers Keep, Unsubscribe, and Delete per category. Profile properties and event history survive Keep and Unsubscribe — Klaviyo retains some analytics metadata even after Delete.

Connect ActiveCampaign via API key + account URL, verify contact lists, and optionally apply cleanup actions. Contact tags, custom fields, and automation history are preserved through all actions.

Disconnect ActiveCampaign from the Integrations page row menu, then revoke the API key inside ActiveCampaign for full hygiene. Deleting the connection also removes its sync history from Valid Email Checker.

Pick any ActiveCampaign contact list (or your entire contact database) from the list picker after connecting. Subscriber counts are shown so you can size the verification before kicking it off.

For ActiveCampaign cleanups, VEC offers three actions per category (Invalid, Disposable, Catch-all, Unknown, Risky): Keep, Unsubscribe, or Delete. Tags, custom fields, and automation history survive Keep and Unsubscribe.

Connect SendGrid via API key (Marketing scope required), verify contact lists and segments, optionally clean back to SendGrid. Standard 1-credit-per-address pricing.

Disconnect SendGrid from the Integrations page row menu, then revoke the API key inside SendGrid under Settings → API Keys. Deleting the connection also clears its sync history.

After connecting SendGrid with a Marketing-scoped API key, every contact list and segment from SendGrid Marketing Contacts appears in the VEC list picker. Pick one per run, then choose Verify Only or Clean List Automatically.

For SendGrid Marketing Contact cleanups, VEC offers Keep, Unsubscribe, and Delete per category (Invalid, Disposable, Catch-all, Unknown, Risky). Custom fields survive Keep and Unsubscribe.

Connect ConvertKit via API Secret, verify subscribers and tagged groups, and apply cleanup. ConvertKit's API does not support contact deletion — the Delete action is automatically removed from cleanup dropdowns.

Disconnect ConvertKit from the Integrations page row menu, then revoke the API Secret inside ConvertKit under Account Settings → Advanced. Deleting the connection also clears its sync history.

After connecting ConvertKit, choose subscribers (all), a tagged group, or contacts from a specific form in the VEC list picker. Subscriber counts let you size cost before importing.

For ConvertKit, VEC offers Keep and Unsubscribe only — ConvertKit's API does not support contact deletion. The Delete option is automatically removed from every category dropdown when ConvertKit is the destination.

Connect Brevo via v3 API key, verify contact lists, and optionally apply cleanup. Contact attributes are preserved through all actions.

Disconnect Brevo from the Integrations page row menu, then revoke the v3 API key inside Brevo under SMTP & API → API Keys. Deleting the connection also clears its sync history.

After connecting Brevo (formerly Sendinblue), every contact list in your Brevo account appears in the VEC list picker with live subscriber counts. Pick one list per run, then choose Verify Only or Clean List Automatically.

For Brevo cleanups, VEC offers Keep, Unsubscribe, and Delete per category (Invalid, Disposable, Catch-all, Unknown, Risky). Brevo contact attributes survive Keep and Unsubscribe — only Delete removes them.

Connect MailerLite via API key, verify groups or segments, and optionally clean subscribers back into MailerLite. Custom fields preserved.

Disconnect MailerLite from the Integrations page row menu, then revoke the API token inside MailerLite under Integrations → MailerLite API. Deleting the connection also clears its sync history.

After connecting MailerLite, every group and segment your API key can read appears in the VEC list picker with live subscriber counts. Pick one per run, then choose Verify Only or Clean List Automatically.

For MailerLite cleanups, VEC offers Keep, Unsubscribe, and Delete per category (Invalid, Disposable, Catch-all, Unknown, Risky). Custom fields and signup metadata survive Keep and Unsubscribe.

Connect GetResponse via API key, verify campaign lists or tag-defined groups, optionally clean contacts back into GetResponse.

Disconnect GetResponse from the Integrations page row menu, then revoke the API key inside GetResponse under Menu → Integrations and API → API Access. Deleting the connection also clears its sync history.

After connecting GetResponse, every campaign (GetResponse's name for lists) and tag-based segment appears in the VEC list picker with subscriber counts. Pick one per run, then choose Verify Only or Clean List Automatically.

For GetResponse cleanups, VEC offers Keep, Unsubscribe, and Delete per category (Invalid, Disposable, Catch-all, Unknown, Risky). Custom fields and autoresponder positions survive Keep and Unsubscribe.

Connect Constant Contact via API token, verify contact lists, and optionally clean contacts. Tags and custom fields preserved.

Disconnect Constant Contact from the Integrations page row menu, then revoke the OAuth grant inside Constant Contact under Integrations → API Keys. Deleting the connection also clears its sync history.

After connecting Constant Contact, every contact list and tagged group your API token can read appears in the VEC list picker with live subscriber counts. Pick one list per run, then choose Verify Only or Clean List Automatically.

For Constant Contact cleanups, VEC offers Keep, Unsubscribe, and Delete per category (Invalid, Disposable, Catch-all, Unknown, Risky). Tags and custom fields survive Keep and Unsubscribe.

Connect Mailgun via API key, verify mailing list members, and optionally clean members back into Mailgun. Designed for transactional + bulk sending workflows.

Disconnect Mailgun from the Integrations page row menu, then revoke the Private API Key inside Mailgun under Sending → API Security. Deleting the connection also clears its sync history.

After connecting Mailgun, every Mailing List your API key can read appears in the VEC list picker. Pick one per run, then choose Verify Only or Clean List Automatically. Transactional sends are not affected.

For Mailgun Mailing List cleanups, VEC offers Keep, Unsubscribe, and Delete per category. Member variables (custom fields) survive Keep and Unsubscribe.

Connect Mailjet via API key + Secret key pair, verify contact lists, and optionally clean contacts. Custom properties preserved.

Disconnect Mailjet from the Integrations page row menu, then revoke the API Key + Secret Key pair inside Mailjet under Account Settings → REST API → API Keys. Deleting the connection also clears its sync history.

After connecting Mailjet with both the API Key and Secret Key, every contact list your credentials can read appears in the VEC list picker with live subscriber counts. Pick one per run, then choose Verify Only or Clean List Automatically.

For Mailjet cleanups, VEC offers Keep, Unsubscribe, and Delete per category (Invalid, Disposable, Catch-all, Unknown, Risky). Custom contact properties survive Keep and Unsubscribe.

Connect AWeber via API key, verify subscriber lists, and optionally clean back to AWeber. Custom fields preserved.

Disconnect AWeber from the Integrations page row menu, then revoke the API token inside AWeber under My Account → Integrations. Deleting the connection also clears its sync history.

After connecting AWeber, every subscriber list under your AWeber account appears in the VEC list picker. Pick one list per run, see the subscriber count up front, and start the import.

For AWeber cleanups, VEC offers Keep, Unsubscribe, and Delete per category (Invalid, Disposable, Catch-all, Unknown, Risky). Custom fields and signup metadata survive Keep and Unsubscribe.

Connect Campaign Monitor via API key, pick a client and a subscriber list, then verify and optionally clean. Multi-client agency setups supported.

Disconnect Campaign Monitor from the Integrations page row menu, then revoke the API key inside Campaign Monitor under Account Settings → API Keys. Deleting the connection also clears its sync history.

After connecting Campaign Monitor, pick a client (if your account has multiple) and then a subscriber list from the VEC list picker. Subscriber counts and search are available before you commit.

For Campaign Monitor cleanups, VEC offers Keep, Unsubscribe, and Delete per category (Invalid, Disposable, Catch-all, Unknown, Risky). Custom fields and signup metadata survive Keep and Unsubscribe.

Connect Drip via API key, verify subscriber lists and tagged groups, optionally clean. Drip e-commerce automation history is preserved.

Disconnect Drip from the Integrations page row menu, then revoke the API token inside Drip under Settings → User Settings → API Tokens. Deleting the connection also clears its sync history.

After connecting Drip (with API token plus account ID), every subscriber list and tagged group appears in the VEC list picker. Subscriber counts let you size cost before importing.

For Drip cleanups, VEC offers Keep, Unsubscribe, and Delete per category (Invalid, Disposable, Catch-all, Unknown, Risky). Tags, custom fields, and event history survive Keep and Unsubscribe.

Connect Elastic Email via API key, verify contact lists, and optionally clean. Custom fields preserved.

Disconnect Elastic Email from the Integrations page row menu, then revoke the API key inside Elastic Email under Settings → API Keys. Deleting the connection also clears its sync history.

After connecting Elastic Email, every contact list and segment your API key can read appears in the VEC list picker with live subscriber counts. Pick one per run, then choose Verify Only or Clean List Automatically.

For Elastic Email cleanups, VEC offers Keep, Unsubscribe, and Delete per category (Invalid, Disposable, Catch-all, Unknown, Risky). Custom fields and segment membership survive Keep and Unsubscribe.

Connect Moosend via API key, verify mailing lists, and optionally clean subscribers. Automation triggers and custom fields preserved.

Disconnect Moosend from the Integrations page row menu, then revoke the API key inside Moosend under Account → API Key. Deleting the connection also clears its sync history.

After connecting Moosend, every Mailing List your API key can read appears in the VEC list picker with live subscriber counts. Pick one per run, then choose Verify Only or Clean List Automatically.

For Moosend cleanups, VEC offers Keep, Unsubscribe, and Delete per category (Invalid, Disposable, Catch-all, Unknown, Risky). Custom fields and automation triggers survive Keep and Unsubscribe.

Verify emails inside your Make.com scenarios by calling the Valid Email Checker API from the built-in HTTP module — no Make app needed. Single and bulk endpoints, 1 credit per email.

Verify emails inside your n8n workflows by calling the Valid Email Checker API from the built-in HTTP Request node — no community node needed. Single and bulk endpoints, 1 credit per email.

Verify emails inside your Integrately automations by calling the Valid Email Checker API from the generic Webhook/API app — no native app needed. Single and bulk endpoints, 1 credit per email.