---
description: Issue clearance cookies to reduce repeated challenges for valid visitors.
title: Pre-clearance support
image: https://developers.cloudflare.com/og-docs.png
---

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# Pre-clearance support

Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/turnstile/additional-configuration/pre-clearance-support/index.md)|[Agent setup](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/agent-setup/)

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