April 17, 2026
Next.js 14 App Router: How to use Server Actions for API Calls
Learn how to transition away from traditional API Routes and utilize Server Actions in Next.js 14 for secure and efficient server-side execution.
const data = formData.get('inputData');
// Securely call an external API without exposing keys
const res = await fetch('https://api.internal.network/v1/process', {
headers: { Authorization:
By bypassing the network layer for your internal API surface, Server Actions make your Next.js application faster, more robust, and significantly easier to type-check via TypeScript.
Bearer ${process.env.INTERNAL_KEY} }
});
return res.json();
}
```By bypassing the network layer for your internal API surface, Server Actions make your Next.js application faster, more robust, and significantly easier to type-check via TypeScript.