curl --request GET \
  --url https://public-api.adclear.ai/v1/channels \
  --header 'Authorization: Bearer <token>' \
  --header 'X-External-User-Email: <x-external-user-email>' \
  --header 'X-External-User-ID: <x-external-user-id>'

{
  "channels": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>"
    }
  ]
}