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Build real-time serverless video, audio and data applications. Cloudflare Calls is a distributed real-time data plane. It allows you to build real-time apps without worrying about scaling or regions. It can act as WebRTC selective forwarding unit (SFU), as a fanout delivery system for broadcasting media or anything in between. Cloudflare Calls runs on Cloudflare’s global cloud network Open externa
Turn your existing regional database into a globally distributed database. Hyperdrive is a service that accelerates queries you make to existing databases, making it faster to access your data from across the globe, irrespective of your users’ location. Hyperdrive supports any Postgres database, including those hosted on AWS, Google Cloud and Neon, as well as Postgres-compatible databases like Coc
The Workers Browser Rendering API allows developers to programmatically control and interact with a headless browser instance and create automation flows for their applications and products. Once you configure the service, Workers Browser Rendering gives you access to a WebSocket endpoint that speaks the DevTools Protocol Open external link . DevTools is what allows Cloudflare to instrument a Chro
Migrate from Service Workers to ES ModulesThis guide will show you how to migrate your Workers from the Service Worker Open external link format to the ES modules Open external link format. Advantages of migratingThere are several reasons to migrate your Workers to the ES modules format: Many products within Cloudflare’s Developer Platform, such as Durable Objects, and other features of Cloudfl
With Email Workers you can leverage the power of Cloudflare Workers to implement any logic you need to process your emails and create complex rules. These rules determine what happens when you receive an email. Creating your own rules with Email Workers is as easy or complex as you want. You can begin using one of the starter templates that are pre-populated with code for popular use-cases. These
Create public buckets on R2Public Bucket is a feature that allows users to expose the contents of their R2 buckets directly to the Internet. By default, buckets are never publicly accessible and will always require explicit user permission to enable. Public buckets can be set up in either one of two ways: Expose your bucket as a custom domain under your control.Expose your bucket as a Cloudflare-m
Expand: Connections Connections Expand: Cloudflare Tunnel Cloudflare Tunnel Expand: Get started Get started Expand: Set up a tunnel Set up a tunnel Expand: Via the dashboard Via the dashboard Configuration
Cron Triggers BackgroundCron Triggers allow users to map a cron expression to a Worker using a scheduled() handler that enables Workers to be executed on a schedule. Cron Triggers are ideal for running periodic jobs, such as for maintenance or calling third-party APIs to collect up-to-date data. Workers scheduled by Cron Triggers will run on underutilized machines to make the best use of Cloudfl
Deploy a Next.js siteNext.js Open external link is an open-source React framework for creating websites and applications. Full-stack deployment: Deploy a full-stack Next.js site (recommended).Static deployment: Deploy a static Next.js site with static exports.
Expand: Connections Connections Expand: Cloudflare Tunnel Cloudflare Tunnel Expand: Get started Get started Create a remotely-managed tunnel (dashboard) Create a locally-managed tunnel (CLI) Useful terms
Welcome to CloudflareExplore guides and tutorials to start building on Cloudflare's platform
Expand: Runtime APIs Runtime APIs Expand: Bindings (env) Bindings (env) AI Open external link Analytics Engine Open external link Browser Rendering Open external link D1 Open external link Durable Objects Open external link Environment Variables Open external link Hyperdrive Open external link KV Open external link mTLS Queues Open external link R2 Open external link Rate Limiting Secrets Open ext
1.1.1.1 is Cloudflare’s public DNS resolver. It offers a fast and private way to browse the Internet. DNS resolvers Open external link translate domains like cloudflare.com into the IP addresses necessary to reach the website (like 104.16.123.96). Unlike most DNS resolvers, 1.1.1.1 does not sell user data to advertisers. 1.1.1.1 has also been measured to be the fastest DNS resolver available Open
Create full-stack applications that are instantly deployed to the Cloudflare global network. Deploy your Pages project by connecting to your Git provider, uploading prebuilt assets directly to Pages with Direct Upload or using C3 from the command line. Features Pages Functions Use Pages Functions to deploy server-side code to enable dynamic functionality without running a dedicated server.
Build a Slackbot Before you startAll of the tutorials assume you have already completed the Get started guide, which gets you set up with a Cloudflare Workers account, C3 Open external link , and Wrangler. OverviewIn this tutorial, you will build a Slack Open external link bot using Cloudflare Workers Open external link . Your bot will make use of GitHub webhooks to send messages to a Slack c
Set up Cloudflare 1.1.1.1 resolverBy default, the DNS server Open external link your devices use is provided by your Internet provider. To start using 1.1.1.1 for your DNS queries, you will need to change the DNS settings in your device or router. Device or router specific guides You can also set up 1.1.1.1 for Families for an added layer of protection on your home network against malware and adul
Connect to 1.1.1.1 using DoH clientsThere are several DoH clients you can use to connect to 1.1.1.1. cloudflaredDownload and install the cloudflared daemon. Verify that the cloudflared daemon is installed by entering the following command:
With DNS over HTTPS (DoH), DNS queries and responses are encrypted and sent via the HTTP or HTTP/2 protocols. DoH ensures that attackers cannot forge or alter DNS traffic. DoH uses port 443, which is the standard HTTPS traffic port, to wrap the DNS query in an HTTPS request. DNS queries and responses are camouflaged within other HTTPS traffic, since it all comes and goes from the same port. Make A
Expand: Runtime APIs Runtime APIs Expand: Bindings (env) Bindings (env) AI Open external link Analytics Engine Open external link Browser Rendering Open external link D1 Open external link Dispatcher (Workers for Platforms) Open external link Durable Objects Open external link Environment Variables Open external link Hyperdrive Open external link KV Open external link mTLS Queues Open external lin
Overview Expand: Transform Rules Transform Rules Expand: Rewrite URL Rewrite URL Create a rule in the dashboard Create a rule via API URL rewrite examples Expand: Reference Reference URL rewrite parameters Available fields and functions
Interact with Cloudflare's products and services via the Cloudflare API
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