Building a REST API with Next.js Route Handlers
Next.js App Router makes building API endpoints straightforward with Route Handlers. Let's build one together.
nextjsapitypescript
29 June 2026
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Emilia Wójcik
AuthorTypeScript and Node.js architect at a Wrocław B2B SaaS company, building multi-tenant API platforms. Designed the tenant-scoped middleware chain that enforces data isolation without duplicating business logic.
typescriptbackendapiarchitecture