diff --git a/backend/projects_api.py b/backend/projects_api.py
new file mode 100644
index 0000000..de9596f
--- /dev/null
+++ b/backend/projects_api.py
@@ -0,0 +1,36 @@
+from fastapi import APIRouter
+from pydantic import BaseModel
+
+from backend.projects_registry import load_projects, save_project
+
+router = APIRouter(prefix='/api/projects', tags=['projects'])
+
+
+class ProjectRegistryRequest(BaseModel):
+    name: str
+    repo_url: str
+    workspace: str
+    stack: str | None = None
+
+
+@router.get('/list')
+async def projects_list():
+    return {
+        'success': True,
+        'projects': load_projects(),
+    }
+
+
+@router.post('/register')
+async def register_project(payload: ProjectRegistryRequest):
+    projects = save_project({
+        'name': payload.name,
+        'repo_url': payload.repo_url,
+        'workspace': payload.workspace,
+        'stack': payload.stack,
+    })
+
+    return {
+        'success': True,
+        'projects': projects,
+    }