A validation step has been added to verify that the specified HTTP Header contains or does not contain text. Use this validation step to verify content-type, or other <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers">HTTP Headers</a>.<img loading="lazy" decoding="async" alt="" width="570" height="345" srcset="https://uptime.com/blog/wp-content/uploads/2022/03/http-header-valid-570x345.png 570w, https://uptime.com/blog/wp-content/uploads/2022/03/http-header-valid-510x308.png 510w, https://uptime.com/blog/wp-content/uploads/2022/03/http-header-valid.png 1068w" sizes="(max-width: 570px) 100vw, 570px" data-featurebase-content-key="65f26382d7d0fe8694f00a94/changelog/69a0989f4300d804ff4d65e9/019c9b54-3138-741f-bdaf-cdf6bcf51162/b64u-MDE5YzliNTQtMzEyMy03MzAxLWExZjUtZjIyMTRiMzVmNjY1.png" src="https://65f26382d7d0fe8694f00a94.featurebase-attachments.com/c/changelog/69a0989f4300d804ff4d65e9/019c9b54-3138-741f-bdaf-cdf6bcf51162/b64u-MDE5YzliNTQtMzEyMy03MzAxLWExZjUtZjIyMTRiMzVmNjY1.png?X-Amz-Expires=3600&amp;X-Amz-Date=20260227T030000Z&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=DO801TYC4FCVNNEKURKM%2F20260227%2Ffra1%2Fs3%2Faws4_request&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Signature=92487abc9a822ea75540ed95847d94222aefeeee7f7b5ce6adfd920cd4eafa19" data-featurebase-content-filename="019c9b54-3123-7301-a1f5-f2214b35f665">See <a href="https://support.uptime.com/hc/en-us/articles/360019443199-Transaction-Check-Commands-and-Validators" target="_blank" rel="noopener">our list of commands and validations</a> for more detail.

Verify HTTP Headers with Transaction Check

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Verify HTTP Headers with Transaction Check