# Update configuration settings of a conversation service **POST /v1/Services/{ChatServiceSid}/Configuration** Update configuration settings of a conversation service A Service Configuration resource manages service-level settings applicable to the Conversation API. ## Servers - https://conversations.twilio.com: https://conversations.twilio.com () ## Authentication methods - Account sid auth token ## Parameters ### Path parameters - **ChatServiceSid** (string) The SID of the Service configuration resource to update. ### Body: application/x-www-form-urlencoded (object) - **DefaultConversationCreatorRoleSid** (string) The conversation-level role assigned to a conversation creator when they join a new conversation. See [Conversation Role](https://www.twilio.com/docs/conversations/api/role-resource) for more info about roles. - **DefaultConversationRoleSid** (string) The conversation-level role assigned to users when they are added to a conversation. See [Conversation Role](https://www.twilio.com/docs/conversations/api/role-resource) for more info about roles. - **DefaultChatServiceRoleSid** (string) The service-level role assigned to users when they are added to the service. See [Conversation Role](https://www.twilio.com/docs/conversations/api/role-resource) for more info about roles. - **ReachabilityEnabled** (boolean) Whether the [Reachability Indicator](https://www.twilio.com/docs/conversations/reachability) is enabled for this Conversations Service. The default is `false`. ## Responses ### 200 OK #### Headers - **Access-Control-Allow-Origin** (string) Specify the origin(s) allowed to access the resource - **Access-Control-Allow-Methods** (string) Specify the HTTP methods allowed when accessing the resource - **Access-Control-Allow-Headers** (string) Specify the headers allowed when accessing the resource - **Access-Control-Allow-Credentials** (boolean) Indicates whether the browser should include credentials - **Access-Control-Expose-Headers** (string) Headers exposed to the client #### Body: application/json (object) - **chat_service_sid** (string | null) The unique string that we created to identify the Service configuration resource. - **default_conversation_creator_role_sid** (string | null) The conversation-level role assigned to a conversation creator when they join a new conversation. See [Conversation Role](https://www.twilio.com/docs/conversations/api/role-resource) for more info about roles. - **default_conversation_role_sid** (string | null) The conversation-level role assigned to users when they are added to a conversation. See [Conversation Role](https://www.twilio.com/docs/conversations/api/role-resource) for more info about roles. - **default_chat_service_role_sid** (string | null) The service-level role assigned to users when they are added to the service. See [Conversation Role](https://www.twilio.com/docs/conversations/api/role-resource) for more info about roles. - **url** (string(uri) | null) An absolute API resource URL for this service configuration. - **links** (object(uri-map) | null) Contains an absolute API resource URL to access the push notifications configuration of this service. - **reachability_enabled** (boolean | null) Whether the [Reachability Indicator](https://www.twilio.com/docs/conversations/reachability) is enabled for this Conversations Service. The default is `false`. [Powered by Bump.sh](https://bump.sh)