API v9InterfacesRESTGetAPIChannelThreadMemberQueryVersion: 0.37.89On this pageRESTGetAPIChannelThreadMemberQuery https://discord.com/developers/docs/resources/channel#get-thread-memberIndex Propertieswith_memberProperties optionalwith_memberwith_member?: booleanWhether to include a guild member object for the thread member
https://discord.com/developers/docs/resources/channel#get-thread-member