Next.js ships with API routes which provides an easy solution to build your own API. This example shows how to create multiple API endpoints with serverless functions, which can execute independently.
Deploy the example using Vercel or preview live with StackBlitz
Execute create-next-app with npm, Yarn, or pnpm to bootstrap the example:
npx create-next-app --example api-routes api-routes-appyarn create next-app --example api-routes api-routes-apppnpm create next-app --example api-routes api-routes-appDeploy it to the cloud with Vercel (Documentation).