---
title: Data validation
description: Data validation checks the accuracy and integrity of data. It checks that email addresses are valid, company domains exist and fields are formatted correctly.
---

[B2B marketing glossary ](https://mixology-digital.com/glossary)

# [Data validation](https://mixology-digital.com/glossary/data-validation)

 Written by [Mixology Digital](https://mixology-digital.com/glossary/author/mixology-digital) | Nov 14, 2025 11:55:39 AM

Data validation checks the accuracy and integrity of information within marketing and sales systems. It ensures that email addresses are valid, company domains exist, and fields are formatted correctly.

In [lead generation](https://mixology-digital.com/glossary/lead-generation), validation prevents wasted effort by filtering out invalid or duplicate records before they enter [nurture workflows](https://mixology-digital.com/glossary/nurture-workflow).

Automated validation tools help maintain data quality at scale, enabling better segmentation, higher deliverability, and more precise performance reporting.

[View full post](https://mixology-digital.com/glossary/data-validation)

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