curl --request GET \
  --url https://discord.com/api/v10/guilds/{guild_id}/new-member-welcome \
  --header 'Authorization: <api-key>'

{
  "guild_id": "<string>",
  "enabled": true,
  "new_member_actions": [
    "<unknown>"
  ],
  "resource_channels": [
    "<unknown>"
  ],
  "welcome_message": {
    "author_ids": [
      "<string>"
    ],
    "message": "<string>"
  }
}