diff --git a/frontends/nextjs/src/app/api/packages/data/[packageId]/handlers/get-package-data.ts b/frontends/nextjs/src/app/api/packages/data/[packageId]/handlers/get-package-data.ts
new file mode 100644
index 000000000..891b20c78
--- /dev/null
+++ b/frontends/nextjs/src/app/api/packages/data/[packageId]/handlers/get-package-data.ts
@@ -0,0 +1,25 @@
+import { NextResponse } from 'next/server'
+import type { NextRequest } from 'next/server'
+import { getPackageData } from '@/lib/db/packages/get-package-data'
+
+interface RouteParams {
+  params: {
+    packageId: string
+  }
+}
+
+export async function GET(_request: NextRequest, { params }: RouteParams) {
+  try {
+    const data = await getPackageData(params.packageId)
+    return NextResponse.json({ data })
+  } catch (error) {
+    console.error('Error fetching package data:', error)
+    return NextResponse.json(
+      {
+        error: 'Failed to fetch package data',
+        details: error instanceof Error ? error.message : 'Unknown error',
+      },
+      { status: 500 }
+    )
+  }
+}
diff --git a/frontends/nextjs/src/app/api/packages/data/[packageId]/handlers/put-package-data.ts b/frontends/nextjs/src/app/api/packages/data/[packageId]/handlers/put-package-data.ts
new file mode 100644
index 000000000..6c173e040
--- /dev/null
+++ b/frontends/nextjs/src/app/api/packages/data/[packageId]/handlers/put-package-data.ts
@@ -0,0 +1,35 @@
+import { NextResponse } from 'next/server'
+import type { NextRequest } from 'next/server'
+import { readJson } from '@/lib/api/read-json'
+import { setPackageData } from '@/lib/db/packages/set-package-data'
+
+type PackageDataPayload = {
+  data?: Record<string, any[]>
+}
+
+interface RouteParams {
+  params: {
+    packageId: string
+  }
+}
+
+export async function PUT(request: NextRequest, { params }: RouteParams) {
+  try {
+    const body = await readJson<PackageDataPayload>(request)
+    if (!body || !body.data || Array.isArray(body.data)) {
+      return NextResponse.json({ error: 'Package data is required' }, { status: 400 })
+    }
+
+    await setPackageData(params.packageId, body.data)
+    return NextResponse.json({ saved: true })
+  } catch (error) {
+    console.error('Error saving package data:', error)
+    return NextResponse.json(
+      {
+        error: 'Failed to save package data',
+        details: error instanceof Error ? error.message : 'Unknown error',
+      },
+      { status: 500 }
+    )
+  }
+}