Cloudflare Developer Docs

Explore guides and tutorials to start building on Cloudflare's platform

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Powerful primitives, seamlessly integrated

Compute AI Storage & Databases Media

Deploy with one command

Build and deploy serverless functions and full-stack apps on Cloudflare's global network. No servers to manage. No cold starts or region complexity.

npm create cloudflare@latest my-app

Create your first Worker

Workers · Containers · Durable Objects · Queues

The AI inference platform

Run AI inference globally with one API call, build agents, and search across your data — no GPUs to manage, no capacity planning.

npx wrangler ai models

Browse available models

Workers AI · AI Gateway · Agents · Vectorize · Browser Run

Make your database feel instant, everywhere

Serverless SQL, globally distributed key-value, and global database acceleration — query directly from Workers with no connection management.

npx wrangler d1 create my-database

Get started with D1

R2 · Pipelines · D1 · KV · Hyperdrive

Build media pipelines without infrastructure headaches

Cloudflare Images helps teams build scalable, reliable media pipelines to store, optimize, and deliver images.

curl --request POST https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/images/v1

Get started with Images

Images · Stream · Realtime

Build with your favorite AI agent

Paste into any AI coding agent to install Cloudflare agent tooling:

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Browse all agent setup guides

All agents

What's new

The latest features and improvements shipping across Cloudflare.

View Changelog

Jun 09, 2026

WAF

WAF Release - 2026-06-09

Cloudflare WAF managed rulesets 2026-06-09

Read update

Jun 09WAF

WAF Release - Scheduled changes for 2026-06-15

WAF managed ruleset changes scheduled for 2026-06-15

Read more

Jun 08Email Service

Authenticated SMTP submission now available in beta

Send transactional emails through Cloudflare Email Service from any SMTP-capable application or mail client using authenticated SMTP submission on smtp.mx.cloudflare.net.

Read more

Jun 08R2 SQL

R2 SQL now supports UNION, INTERSECT, EXCEPT, and SELECT DISTINCT

Combine query results with set operations and eliminate duplicates with SELECT DISTINCT.

Read more

Jun 08Realtime

Post-meeting transcriptions are now Generally Available in RealtimeKit

RealtimeKit post-meeting transcription is now Generally Available for generating transcript files and AI summaries after meetings end.

Read more

Jun 05Workflows

Rollback support now available in Workflows

Workflows now lets you attach rollback handlers to step.do(), inspect rollback outcomes, and query rollback events in analytics.

Read more

Jun 05AI Gateway

Control AI costs with spend limits

Set cost-based budgets on your AI Gateway scoped by model, provider, or custom metadata like user or team.

Read more

Jun 05Radar

Finer-grained chart granularity on Cloudflare Radar for longer time ranges

HTTP and NetFlows traffic charts on Cloudflare Radar now show daily data for 1-3 month views and weekly data for 6+ month views, replacing the previous coarser defaults.

Read more

Security that scales

Everything you need to secure applications, APIs, and infrastructure.

Public websites & apps

WAF

Protect your applications without sacrificing performance

Identify and block malicious payloads before they can compromise your application.

Harden your app with WAF

SSL/TLS

Encrypt your site in minutes

Streamline TLS Certificate Management.

Set up SSL/TLS

Turnstile

Verify visitors without CAPTCHA

Confirm web visitors are real and block unwanted bots without slowing down web experiences for real users.

Add Turnstile protection

Corporate and home networks

Tunnel

Securely connect origins with post-quantum encrypted tunnels

Outbound-only encrypted tunnels, no open ports.

Create a secure Tunnel

Access

Secure internal applications with Cloudflare Access

Identity-first, quantum-safe access to private applications and infrastructure.

Set up Cloudflare Access

Gateway

Secure Internet browsing without disruptions

Cloud-native Secure Web Gateway (SWG) that inspects browser traffic without disruption.

Create Gateway policies

Faster web performance

Accelerate websites and applications with Cloudflare CDN caching, image optimization, smart routing, load balancing, and web analytics.

Explore Directory

DNS

Fast, reliable and resilient DNS queries

World's fastest authoritative DNS, consistently ranked #1 by DNSPerf; free, fully API-managed, DNSSEC supported.

Set up Authoritative DNS

Smart Shield

Minimize origin load and accelerate dynamic content

Intelligently manage traffic, optimize content delivery, and safeguard origin infrastructure.

Enable Smart Shield

CDN

Default caching for static assets, with cache rules for full control

Caches content in 330+ cities worldwide, with instant purging and granular Cache Rules.

Set up Cache Rules

Speed

Assess your site speed and apply recommended optimizations

Application delivery optimizations including minification, Brotli compression, Early Hints, and HTTP/3.

Improve your site speed

Images

Transform, optimize, and deliver images worldwide

Cloudflare Images handles format conversion, responsive sizing, and intelligent caching.

Optimize image delivery

Web Analytics

Understand the performance of your web pages

Cloudflare Web Analytics collects Core Web Vitals and performance data from 100% of page views without cookies or sampling.

Track real user metrics

Connect with Cloudflare

Find community, read the blog, and explore open source projects.

Community

Join the conversation

Share ideas, answers, and code with the Cloudflare community.

Discord X Forum

Open Source

View the source

Cloudflare contributes to the open-source ecosystem in a variety of ways, including:

GitHub Sponsors Style guide

Blog

Read the latest

Get the latest news on Cloudflare products, technologies, and culture.

blog.cloudflare.com