# Add Project Custom Fields **POST /api/v1.0/projects/{project_id}/fields** This endpoint creates the custom fields for the project. ## Servers - https://openapi.niftypm.com: https://openapi.niftypm.com () ## Parameters ### Body: application/json (object) - **field_id** (string) field_id - **name** (string) Custom field name - **description** (string) description - **type** (string) Custom field type - **currency** (string) Currency - **tracking_type** (string) Tracking Type - **cost_per_hour** (number) Cost per hour - **options** (array[object]) - **roles** (array[string]) Roles - **save** (boolean) Save - **association** (string) Association - **project_id** (string) Project ID ## Responses ### 201 The resource created successfully ### 401 The client request has not been completed because it lacks valid authentication credentials for the requested resource. ### 403 The client does not have access rights to the content. ### 405 The request method is known by the server but is not supported by the target resource. [Powered by Bump.sh](https://bump.sh)