# Update application custom data **PATCH /api/applications/{applicationId}/custom-data** Update the custom data of an application. ## Servers - Logto endpoint address.: https://[tenant_id].logto.app (Logto endpoint address.) ## Authentication methods - O auth2 ## Parameters #### Path parameters - **applicationId** (string) The unique identifier of the application. ## Body parameters Content-type: application/json object ## Responses ### 200: The updated custom data in JSON. #### Body Parameters: application/json (object) object ### 400: Bad Request ### 401: Unauthorized ### 403: Forbidden [Powered by Bump.sh](https://bump.sh)