A Guide to Server Actions in Next.js: Replacing Traditional APIs

Why server actions

Server Actions can reduce duplicated request layers and keep business logic close to UI boundaries when used correctly.

Migration checklist

1. Identify API routes that are only consumed by your own app.
2. Move safe mutations to server actions.
3. Retain APIs for external clients and integration contracts.

Related guides

See How to Build a Full-Stack App in Minutes Using Next.js and Cursor AI.