--- description: Interact with Zaraz from client-side JavaScript. title: Web API 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/zaraz/llms.txt > Use this file to discover all available pages before exploring further. # Web API Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://9a51ac8b.previews.developers.cloudflare.com/zaraz/web-api/index.md)|[Agent setup](https://9a51ac8b.previews.developers.cloudflare.com/agent-setup/) Zaraz provides a client-side web API that you can use anywhere inside the `` tag of a page. This API allows you to send events and data to Zaraz, that you can later use when creating your triggers. Using the API lets you tailor the behavior of Zaraz to your needs: You can launch tools only when you need them, or send information you care about that is not otherwise automatically collected from your site. * [Track](https://9a51ac8b.previews.developers.cloudflare.com/zaraz/web-api/track/) * [Set](https://9a51ac8b.previews.developers.cloudflare.com/zaraz/web-api/set/) * [E-commerce](https://9a51ac8b.previews.developers.cloudflare.com/zaraz/web-api/ecommerce/) * [Debug mode](https://9a51ac8b.previews.developers.cloudflare.com/zaraz/web-api/debug-mode/) Was this helpful? YesNo ## On this page [![](https://9a51ac8b.previews.developers.cloudflare.com/_astro/logo.te5VL_aD.svg)Docs](https://9a51ac8b.previews.developers.cloudflare.com/) ```json {"@context":"https://schema.org","@type":"WebPage","@id":"https://developers.cloudflare.com/zaraz/web-api/#page","headline":"Web API · Cloudflare Zaraz docs","description":"Interact with Zaraz from client-side JavaScript.","url":"https://developers.cloudflare.com/zaraz/web-api/","inLanguage":"en","image":"https://developers.cloudflare.com/og-docs.png","dateModified":"2026-08-24","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/"}} ```