Bouncer

Bouncer is an email verification software-as-a-service company founded in 2017. It checks addresses so that senders can keep their contact data accurate and their messages reaching real inboxes. A small team runs it.

What Bouncer offers

• List cleaning — checks email lists and removes invalid addresses.
• Verification API — synchronous and asynchronous endpoints for building verification into other software.
• Bouncer Shield — screens sign-up forms without coding, blocking bad addresses and IPs at the point of entry.
• Toxicity scoring — rates risky addresses on a scale of 0 to 5, such as breached ones or likely spam traps.
• Deliverability tools — inbox placement tests, authentication checks and blocklist monitoring.
• Engagement insights — shows last open, click and reply dates to help segment lists.

Who it works with

Email marketers and companies of any size that rely on clean contact data.

Key facts

• Founded: 2017
• Integrations: Connects to marketing platforms