Integrations

InboxSure works alongside the tools you already use. Export your list, verify with InboxSure, and re-import only the clean contacts — or connect our API to verify at sign-up in real time.

Email Marketing

InboxSure + Mailchimp

High bounce rates in Mailchimp hurt your sender score. Learn how to verify your Mailchimp list with InboxSure and import only clean, deliverable addresses.

CRM

InboxSure + HubSpot

Invalid contacts in HubSpot inflate your bounce rate and skew your reporting. Here's how to verify and clean your HubSpot contact lists with InboxSure.

E-commerce Marketing

InboxSure + Klaviyo

Klaviyo's deliverability depends on a clean list. Verify your Klaviyo segments with InboxSure to protect your sender reputation and improve open rates.

Don't see your platform?

InboxSure's REST API works with any platform that can make an HTTP request. If you can export a CSV, you can verify with InboxSure — no native integration required.

View API Docs