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ZeroBounce

Email Verification and Deliverability Platform

Visit ZeroBounce

ZeroBounce markets email verification, list cleaning, sender-reputation, and inbox-health tools, with browser, bulk-upload, and API validation paths.

Vendor's own claim
data/enrichmentsignals/intent

Core capabilities

Vendor's own claim
  • Bulk and real-time email validation
  • Email list cleaning and scoring
  • Email Finder API
  • Warmup, inbox testing, blacklist monitoring, and server tests

API & agent surface

From official docs
Authentication
Unique API key provided after account creation
Notable endpoints
  • Email validation API
  • Email Finder API
Machine-readable spec
No OpenAPI link

Pricing

From official docs
PlanPriceIncludedNotable
Freemium$0 /mo100 validation credits; 10 Email Finder usesOne inbox test, One email-server test, One blacklist monitor
ZeroBounce ONE$99 /moValidation/scoring credits, Warmup, DMARC monitoring

Checked 2026-08-08 against their pricing page. Vendors change pricing without notice.

What is ZeroBounce

Vendor's own claim

An email-validation and deliverability platform that supports both browser-based file workflows and developer API integration.

Ideal customer profile

Vendor's own claim

Marketing, sales, and product teams that need to validate lists or email addresses in real time and monitor deliverability.

Who should look elsewhere

Our read

The documented browser workflow has a 100-contact minimum upload and the docs say a 100,000-contact list can take about 45 - 60 minutes, so teams needing instant large-batch turnaround should plan accordingly. Email Finder costs 20 credits per successful query, which can make it a poor fit where bulk contact discovery is the primary need.

Tools in the same layer

Our read

No curated rival set covers this tool yet, so these are simply other tools in the same architectural layer and product form. Treat it as a starting point, not a shortlist.

ZeroBounce FAQ

Can I validate email in real time?

Yes. The documentation says real-time API validation is appropriate for checking emails during sign-up.

From official docs
Can I upload a list instead?

Yes. The docs support CSV, XLS, XLSX, and TXT uploads, with a 100-contact minimum for the free upload path.

From official docs
How long does a large file take?

The documentation says to allow roughly 45 - 60 minutes per 100,000 contacts.

From official docs
How are credits used?

One credit is used per validation or AI-scoring address; Email Finder uses 20 credits per successful query.

From official docs
Is there a free allowance?

The pricing page offers 100 free monthly validations for business/premium-domain sign-ups, and a $0 Freemium tier.

From official docs

Verify before you buy

  • No confirmed API endpoint reference, base URL, or rate limits.
  • No machine-readable OpenAPI specification or MCP documentation confirmed.
  • The pricing excerpt does not expose the full paid credit quantity for the $99/month ZeroBounce ONE plan.
  • A machine-readable OpenAPI specification was not included in the reviewed source set.

Need help setting it up?

This page tells you whether ZeroBounce fits. Cheetah builds and runs the system it goes into — enrichment, sequencing, CRM and the joins between them.

Book a call →

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