Data Validation Software-as-a-Service

Test Your Email Data for Free!

Simply enter an email address and instantly identify invalid and undeliverable addresses.

Get Started for Free! All services are subscription-free with no setup fees, and no credit card is required to get started with testing our services.

Stop paying for bad data

No Card Details Required

100 Free Credits

Expert Technical Support

Helping over 1,000 businesses across the world

Bad Email Data Costs More Than You Think

Every campaign sent to invalid or risky addresses wastes budget, skews performance data, and damages your sender reputation. Over time, this leads to lower inbox placement, declining engagement, and missed revenue opportunities.

Email validation isn’t just about cleaning lists, it’s about protecting your ability to reach real customers.

Why Validate Emails with Data8?

Data8 provides enterprise-grade email validation trusted across regulated industries, built for accuracy, compliance, and scale.

Unrivalled Accuracy

Advanced validation checks beyond basic syntax, including domain, mailbox, and risk indicators.

International Compliance

Built with GDPR and data protection best practices at the core.

Real-Time or Batch Validation

Validate emails at the point of capture or clean existing databases in bulk.

FAQs for Data8 data validation software

Is the email validation test really free?

Yes. You can validate a sample of emails for free with no payment details required.

How accurate are the results?

Our email validation leverages authoritative, regularly updated data sources like the Royal Mail Postcode Address File (PAF), ensuring accuracy by cross-checking against one of the UK’s most comprehensive and current delivery point databases.

Will this affect my existing data?

No. The test is read-only — nothing is changed or stored without permission.

Can I validate emails automatically?

Yes. Data8 supports real-time validation at form level and bulk list cleansing.

See the True Quality of Your Email Data — Free

Run a free email validation test and uncover hidden issues before your next campaign.

Instant Results

No Credit Card

GDPR-Ready

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