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

Accuracy you can trust. Results you can prove.

Bouncer Shield vs
Bouncer API.
Find your best fit!

You finally get traffic, but half your “new contacts” aren’t real.
Some emails bounce. Others are typo-riddled.

We get it. That’s why Bouncer offers two ways to clean up your funnel.
Bouncer Shield and Bouncer API.

Instant, zero-fuss setup (Shield) or ultimate control (API)?

FeaturesBouncer ShieldBouncer API
SetupReady in minutes. Plug it in and go.Needs backend integration. Best for dev teams.
Best forSMBs, marketing teams, anyone needing a quick fix or minimal dev resources.Power users, SaaS platforms, teams needing deep control
VerificationSame best-in-class deliverability & toxicity engine as the API.Same core engine – no compromise on quality.
IP & Abuse controlBuilt-in IP checks, throttles abusive usage (e.g., one IP per hour).Not included (needs your own handling).
StylingEasy, with a simple configurator – no coding needed.Do what you want – custom CSS, full code access.
SecurityUses public API keys (can’t download your data, only triggers checks).More secure when integrated right; needs private backend.
MaintenanceBouncer does it for you; no code upkeep.You’re responsible for integration updates.
ScalabilityHandles high volumes, no dev bottleneck.Handles large volumes; great for backend automations.
PricingFlexible monthly subscription, cheaper per verification, small fee per shield.Pay-as-you-go, sometimes higher per verification.

So, what to choose?

When Bouncer Shield makes sense?

  • You want to start verifying emails today – no IT ticket, no waiting.
  • Your team’s got better things to do than maintain backend code.
  • You want your signup or lead forms to look like your brand.
  • You need protection against bot signups and fake leads (IP checks included).
  • Your landing pages change fast, or you run a lot of quick-turn campaigns.

When Bouncer API might be a smarter choice?

  • You want to build email verification deep into your platform or stack.
  • Security is everything: you need to keep everything behind your firewall.
  • You need maximum flexibility: custom flows, styling, logic, and reporting.
  • You process huge volumes as part of a product or automation.
  • You don’t mind some backend maintenance to get exactly what you want.

Real-world scenarios

01

Running a last-minute campaign? Shield = instant protection, no dev time.

02

Building a new SaaS signup flow? API = full integration, custom everything.

03

Worried about form abuse?
Shield = built-in IP checks, no extra setup.

04

Need advanced backend controls? API is the way.

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Contact our team and get honest, practical advice for your use case.