--- description: Example Snippets for headers, redirects, caching, and more. title: Snippets examples image: https://developers.cloudflare.com/og-docs.png --- [Skip to content](#main-content) > Documentation Index > Fetch the complete documentation index at: https://developers.cloudflare.com/rules/llms.txt > Use this file to discover all available pages before exploring further. # Snippets examples Last updated Sep 3, 2026|Copy as Markdown| [View as Markdown](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/index.md)| [Agent setup](https://641a99ee.previews.developers.cloudflare.com/agent-setup/) Refer to the following examples to get started creating your snippet code. Refer to [How Snippets work](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/how-it-works/) and [Create a snippet in the dashboard](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/create-dashboard/) for overall guidance. [**A/B testing with same-URL direct access** Set up an A/B test by controlling what response is served based on cookies.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/ab-testing-same-url/) [**Append dates to cookies to use with A/B testing** Dynamically set a cookie expiration and test group.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/append-dates-to-cookies/) [**Auth with headers** Allow or deny a request based on a known pre-shared key in a header. This is not meant to replace the WebCrypto API.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/auth-with-headers/) [**Send Bot Management information to origin** Send Bots information to your origin. Refer to Bot Management variables for a full list of available fields.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/bot-data-to-origin/) [**Send suspect bots to a honeypot** Use the bot score field to send bots to a honeypot.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/bots-to-honeypot/) [**Bulk redirect based on a map object** Redirect requests to certain URLs based on a mapped object to the request's URL.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/bulk-redirect-map/) [**Country code redirect** Redirect a response based on the country code in the header of a visitor.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/country-code-redirect/) [**Custom cache** Store, retrieve, and remove assets from cache programmatically. Use this template to optimize performance and implement custom caching strategies.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/custom-cache/) [**Debugging logs** Send debugging information in an errored response to a logging service.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/debugging-logs/) [**Define CORS headers** Adjust Cross-Origin Resource Sharing (CORS) headers and handle preflight requests.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/define-cors-headers/) [**Follow redirects from the origin** Modify the fetch request to follow redirects from the origin, ensuring the client receives the final response.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/follow-redirects/) [**Add HEX timestamp to a request header** Add a custom header to requests sent to the origin server with the current timestamp in hexadecimal format for debugging, tracking, or custom routing purposes.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/hex-timestamp/) [**Validate JSON web tokens (JWT)** Extract a JWT from the Authorization header, verify its HMAC-SHA256 signature using the WebCrypto API, and validate its claims.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/jwt-validation/) [**Maintenance page** Serve a custom maintenance page instead of fetching content from the origin server or cache. Ideal for downtime notifications, planned maintenance, or emergency messages.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/maintenance/) [**Override a Set-Cookie header with a certain value** Get a specific `Set-Cookie` header and update it with a certain value.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/override-set-cookies-value/) [**Redirect 403 Forbidden to a different page** If origin responded with `403 Forbidden` error code, redirect to different page.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/redirect-forbidden-status/) [**Redirect from one domain to another** Redirect all requests from one domain to another domain.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/redirect-replaced-domain/) [**Remove fields from API response** If origin responds with `JSON`, parse the response and delete fields to return a modified response.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/remove-fields-api-response/) [**Remove query strings before sending request to origin** Remove certain query strings from a request before passing to the origin.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/remove-query-strings/) [**Remove response headers** Remove from response all headers that start with a certain name.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/remove-response-headers/) [**Return information about the incoming request** Respond with information about the incoming request provided by Cloudflare’s global network.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/return-incoming-request-properties/) [**Rewrite links on HTML pages** Dynamically rewrite links in HTML responses. This is useful for site migrations and branding updates.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/rewrite-site-links/) [**Change origin and modify paths** Route requests to a different origin, prepend a directory to the URL path, and remove specific segments.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/route-and-rewrite/) [**Set security headers** Set common security headers such as X-XSS-Protection, X-Frame-Options, and X-Content-Type-Options.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/security-headers/) [**Send timestamp to origin as a custom header** Convert timestamp to hexadecimal format and send it as a custom header to the origin.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/send-timestamp-to-origin/) [**Route to a different origin based on origin response** If response to the original request is not `200 OK` or a redirect, send to another origin.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/serve-different-origin/) [**Sign requests** Verify a signed request using the HMAC and SHA-256 algorithms or return a 403.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/signing-requests/) [**Slow down suspicious requests** Define a delay to be used when incoming requests match a rule you consider suspicious based on the bot score.](https://641a99ee.previews.developers.cloudflare.com/rules/snippets/examples/slow-suspicious-requests/) Was this helpful? YesNo ## On this page [![](https://641a99ee.previews.developers.cloudflare.com/_astro/logo.te5VL_aD.svg)Docs](https://641a99ee.previews.developers.cloudflare.com/) ```json {"@context":"https://schema.org","@type":"WebPage","@id":"https://developers.cloudflare.com/rules/snippets/examples/#page","headline":"Snippets examples · Cloudflare Rules docs","description":"Example Snippets for headers, redirects, caching, and more.","url":"https://developers.cloudflare.com/rules/snippets/examples/","inLanguage":"en","image":"https://developers.cloudflare.com/og-docs.png","dateModified":"2026-09-03","publisher":{"@type":"Organization","name":"Cloudflare","description":"One platform for your apps, agents, and workforce. Build, secure, and scale without managing infrastructure","url":"https://www.cloudflare.com/","sameAs":["https://github.com/cloudflare","https://www.linkedin.com/company/cloudflare","https://x.com/cloudflare"],"logo":{"@type":"ImageObject","url":"https://developers.cloudflare.com/logo.svg"},"address":{"@type":"PostalAddress","streetAddress":"101 Townsend St","addressLocality":"San Francisco","addressRegion":"CA","postalCode":"94107","addressCountry":"US"},"contactPoint":[{"@type":"ContactPoint","contactType":"Customer Support","url":"https://support.cloudflare.com/","availableLanguage":["English"]},{"@type":"ContactPoint","contactType":"Sales","url":"https://www.cloudflare.com/contact/","availableLanguage":["English"]}]},"isPartOf":{"@type":"WebSite","@id":"https://developers.cloudflare.com/#website","name":"Cloudflare Docs","url":"https://developers.cloudflare.com/"}} ```