Everything you need to build on Fastly

Push application logic to the edge with ready-to-deploy code examples, structured tutorials, and API documentation.

Push your app logic to the edge.

Get started without registering — clone this example or start a blank fiddle.

See the possibilities: learn from our fully documented tutorials for A/B testing, token based authentication, redirects and many more.

Explore tutorials

Push RUN to test!

Get started with ready-to-deploy code examples.

Solve problems faster with code samples developed by Fastly’s experts. Copy the code, customize it to meet your needs, and deploy it to your configuration.

Ideas, meet tools.

There are near-infinite ways to build custom solutions and applications on Fastly's powerful, programmable edge.

VCL reference

Use the flexible and powerful Varnish Configuration Language to create logic at the edge.

API reference

Imagine new ways to automate your workflow.

Fastly Fiddle

Play with the Fastly platform without logging in.

Learn more about Compute@Edge.

Right now, complex problems and use cases are being explored and solved on our new serverless compute environment. Powered by WebAssembly and with 100x faster startup times than other serverless offerings, developers are doing more at the edge with unprecedented power, flexibility, and scale.

Stay in the know

Discover what’s happening at the edge.

The edge of the network is an exciting, new frontier. Read the latest about the evolving protocols and experimental technologies shaping the future of the internet.

Spotlight on CEO Srivishnu Piratla: how Tech for Good is uplifting communities

Hear from the CEO of Tech for Good, Srivishnu Piratla, as he outlines how teaching computer science skills can support underserved communities and businesses, drive international efforts for connectivity, and inspire the broader tech community to get involved.

Serving truly dynamic content with a modern CDN and edge-first delivery

Using a powerful, modern CDN that provides instant cache invalidation and real-time analytics allows for edge-first application architectures that improve personalization, performance, and protection.

The power of serverless, 72 times over

Serverless technology has been making developers’ lives easier for years, but those benefits had yet to extend to end users. This is the true promise of edge serverless — enabling developers to solve for both operational overhead and a performant, consistent user experience, simultaneously.

Fastly Labs

Step inside our collective space dedicated to innovation at the edge. Run experiments and test-drive our latest in-progress projects, like our native runtime and compiler, Lucet or our multi-language, browser-based editor, Terrarium.

Visit Fastly Labs