a

app/api/checkout/route.ts

@@ -0,0 +1,21 @@
+import { Checkout } from "@polar-sh/nextjs";
+import { NextResponse } from "next/server";
+
+export const GET = async () => {
+  if (!process.env.POLAR_ACCESS_TOKEN || !process.env.POLAR_SUCCESS_URL) {
+    return NextResponse.json(
+      {
+        error:
+          "Missing POLAR_ACCESS_TOKEN or POLAR_SUCCESS_URL environment variables.",
+      },
+      { status: 400 }
+    );
+  }
+
+  const handler = Checkout({
+    accessToken: process.env.POLAR_ACCESS_TOKEN,
+    successUrl: process.env.POLAR_SUCCESS_URL,
+  });
+
+  return handler();
+};