# Add child projects to parent project Add child projects to parent project. Endpoint: POST /projects/{projectId}/children Version: v1 Security: bearerAuth ## Path parameters: - `projectId` (integer, required) Id of Parent Project Example: 1 ## Query parameters: - `childProjectIds` (array, required) Id of Child Projects ## Response 200 fields ## Response 400 fields ## Response 401 fields ## Response 404 fields ## Response 500 fields