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

[
  {
    "application_id": "<unknown>",
    "avatar": "<string>",
    "channel_id": "<unknown>",
    "id": "<string>",
    "name": "<string>",
    "type": 3,
    "guild_id": "<unknown>",
    "user": {
      "id": "<string>",
      "username": "<string>",
      "avatar": "<string>",
      "discriminator": "<string>",
      "public_flags": 123,
      "flags": 0,
      "global_name": "<string>",
      "primary_guild": "<unknown>",
      "bot": true,
      "system": true,
      "banner": "<string>",
      "accent_color": 123,
      "avatar_decoration_data": "<unknown>",
      "collectibles": "<unknown>"
    }
  }
]