Workers Binding API (3)

Last updated Apr 21, 2026 - Durable Object Base Class - Durable Object Namespace - Durable Object ID - Durable Object Stub - Durable Object State - SQLite-backed Durable Object Storage - KV-backed Durable Object Storage (Legacy) - Durable Object Container API - Alarms - WebGPU - Rust API

Was this helpful?

YesNo

On this page

Workers Binding API (3) - 图1Docs

{"@context":"https://schema.org","@type":"WebPage","@id":"https://developers.cloudflare.com/durable-objects/api/#page","headline":"Workers Binding API","description":"Reference documentation for Durable Objects binding APIs, including namespaces, stubs, state, and storage.","url":"https://developers.cloudflare.com/durable-objects/api/","inLanguage":"en","image":"https://developers.cloudflare.com/durable-objects/api/og.png?v=6249e03d9403c60c","dateModified":"2026-04-21","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/"}}


description: You can add environment variables, which are a type of binding, to attach text strings or JSON values to your Worker. title: Environment variables image: https://developers.cloudflare.com/workers/configuration/environment-variables/og.png?v=490affb3f8811293


Skip to content

Documentation Index
Fetch the complete documentation index at: https://developers.cloudflare.com/workers/llms.txt
Use this file to discover all available pages before exploring further.