diff --git a/source-inventory/api-inventory.json b/source-inventory/api-inventory.json
new file mode 100644
index 0000000..209b00c
--- /dev/null
+++ b/source-inventory/api-inventory.json
@@ -0,0 +1,35 @@
+{
+  "inventoryId": "api-001",
+  "category": "api-specifications",
+  "description": "API 명세 인벤토리",
+  "items": [
+    {
+      "id": "api-openapi",
+      "path": "api/openapi",
+      "type": "directory",
+      "description": "OpenAPI/Swagger 명세",
+      "format": "yaml",
+      "status": "pending"
+    },
+    {
+      "id": "api-graphql",
+      "path": "api/graphql",
+      "type": "directory",
+      "description": "GraphQL 스키마",
+      "format": "graphql",
+      "status": "pending"
+    },
+    {
+      "id": "api-rest",
+      "path": "api/rest",
+      "type": "directory",
+      "description": "REST API 문서",
+      "format": "markdown",
+      "status": "pending"
+    }
+  ],
+  "metadata": {
+    "created": "2025-07-10T14:38:23Z",
+    "project": "runtime-smoke-20260710143823"
+  }
+}