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- [Functions API Reference](/docs/functions/functions-api-reference.md): Functions are defined similar to a Route Handler in Next.js. When using Next.js App Router, you can define a function in a file under
- [Configuring Functions](/docs/functions/configuring-functions.md): You can configure Vercel functions in many ways, including the runtime, region, maximum duration, and memory. With different configurations,
- [Vercel Functions](/docs/functions.md): Vercel Functions let you run serverside code without managing servers. They adapt automatically to user demand, handle connections to APIs and
- [Runtimes](/docs/functions/runtimes.md): Vercel supports multiple runtimes for your functions. Each runtime has its own set of libraries, APIs, and functionality that provides different

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