An easy-to-use SaaS application that allows you to quickly verify mailing lists

Ultrafast, robust and easy-to-integrate email verification API

Easily connect your Bouncer account with marketing platform you love, and verify your email list effortlessly

Identify invalid, malicious, or fraudulent email addresses at the moment of entry.

Forget about manual email verification. Just connect to your CRM, configure, and let Bouncer do the rest.

Identify if your email list contains any toxic email addresses

Improve your email campaigns by enriching customer data with publicly available company information

Test your inbox placement, verify your authentication, and monitor blocklists

Check how active your contacts are in their inboxes overall!

Accuracy you can trust. Results you can prove.

Category: Email Marketing

Claspo

Learn more about Claspo

Claspo is a pop-up builder that helps you convert more with fully customizable CRO-focused pop-ups you can launch instantly. Instead of relying on basic ESP/CMS forms, you get proven tactics like gamification, discount promo codes, countdown timers, multistep flows, smart intent-based display rules, and mobile-first UX — so every pop-up is designed to turn on-site attention into opt-ins and sales.

Why we love them?

01

High-Converting Pop-ups

Easily create beautiful, CRO-focused pop-ups that turn visitors into subscribers and customers in minutes.

02

Smart Display Rules

Show the right message at the perfect moment with intent-based targeting, multistep flows, and behavioral triggers.

03

Gamified Experiences

Boost engagement with proven tactics like discount wheels, countdown timers, promo codes, and interactive pop-up journeys.

Special offer for Bouncer Customers

Winston advises:
Hurry up, it’s time limited offer! 

Get $159 value Pro 500 monthly plan at no cost

Promocode: Pro500Partnerg5iots

Use until: 31 March 2026

Start now and protect your email deliverability!

Check both email deliverability and toxicity, and make sure that your senders’ score is highest possible.