Bouncer

Founded by Radoslaw Kaczynski in 2017

Verify email addresses and clean mailing lists before sending campaigns

Cost

Pay-as-you-go

Rating

★ People love it

Time to value

Quick Setup (< 1 hour)

You can use Bouncer to check whether email addresses on your mailing list are valid before sending campaigns. It verifies emails in bulk or one at a time via API, detects toxic or fraudulent addresses, blocks bad emails at sign-up forms in real time, checks inbox placement and authentication, and enriches contact data with company information. It also shows how active contacts are in their inboxes using engagement signals like last open, click, and reply dates.

What Bouncer does

Upload a CSV list and get back verified, invalid, and risky email classificationsConnect via API to validate emails in real time during user sign-upSet up Bouncer Shield on a web form to block bad emails at the point of entryRun a toxicity scan to find spam traps and complainers in an email listCheck deliverability by testing inbox placement and reviewing blocklist statusSchedule automatic list cleaning from a connected CRM using AutoCleanPull engagement data to see which contacts have been active in their inbox recentlyEnrich contact records with company information for better segmentationVerifies emails in bulk by uploading a list and getting results back quicklyReal-time API with both synchronous and asynchronous endpoints for developersBouncer Shield blocks invalid or fraudulent emails at sign-up forms without codingToxicity check scores email addresses on a 0-5 scale to flag spam traps, complainers, and breached addressesEmail engagement insights show last open, click, reply, and bounce dates per contactDeliverability kit tests inbox placement, checks email authentication, and monitors blocklistsEnriches contact records with company data from public sourcesAutoClean connects to your CRM and automatically removes bad emails on a schedule