Messaging channel status subscribes example:

curl --location --request POST '/platform/v1/webhook/subscribe' \
--header 'Authorization: "Bearer API_TOKEN"'\
--header 'Content-Type: application/json' \
--data-raw '{
"event": "channel/status",
"target_url": "URL"
}'

Messaging channel status payload example:

{
  "entity_name": "channel",
  "event_type": "status",
  "data": {
    "channel": {
      "type": "sms",
      "provider": "zipwhip",
      "status": "active",
      "message_type": "transactional",
      "additional_info": {
        "display_phone_number": "123564654"
      }
    }
  }
}