curl --request POST \
  --url https://api.ngrok.com/edges/tcp \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'ngrok-version: <ngrok-version>' \
  --data '{
  "description": "<string>",
  "metadata": "<string>",
  "hostports": [
    "<string>"
  ],
  "backend": {
    "enabled": true,
    "backend_id": "<string>"
  },
  "ip_restriction": {
    "enabled": true,
    "ip_policy_ids": [
      "<string>"
    ]
  },
  "traffic_policy": {
    "enabled": true,
    "value": "<string>"
  }
}'

{
  "id": "<string>",
  "description": "<string>",
  "metadata": "<string>",
  "created_at": "<string>",
  "uri": "<string>",
  "hostports": [
    "<string>"
  ],
  "backend": {
    "enabled": true,
    "backend": {
      "id": "<string>",
      "uri": "<string>"
    }
  },
  "ip_restriction": {
    "enabled": true,
    "ip_policies": [
      {
        "id": "<string>",
        "uri": "<string>"
      }
    ]
  },
  "traffic_policy": {
    "enabled": true,
    "value": "<string>"
  }
}