# Turn on availability **POST /api/users/{uuid}/on_call.json** Make the agent available in your account. Important for turning on notifications. ## Servers - Production: https://application.textline.com (Production) ## Parameters ### Path parameters - **uuid** (string) Identifier of the User to perform action with. ## Responses ### 200 OK #### Body: application/json (object) - **user** (object) [Powered by Bump.sh](https://bump.sh)