curl --request POST \
  --url https://hub.griff.services/notifications/resolve-channel \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "integrationNameOrId": "<string>",
  "routing": {
    "channelType": "slack",
    "channel": "<string>"
  }
}
'

{
  "data": {
    "provider": "webhook",
    "url": "<string>",
    "headers": {},
    "timeoutMs": 123,
    "maxRetries": 123,
    "channel": "<string>",
    "accessToken": "<string>",
    "toAddresses": [
      "<string>"
    ],
    "fromAddress": "<string>",
    "fromName": "<string>",
    "replyTo": "<string>",
    "apiKey": "<string>",
    "sesRegion": "<string>",
    "roleArn": "<string>",
    "externalId": "<string>",
    "credentials": {
      "accessKeyId": "<string>",
      "secretAccessKey": "<string>"
    }
  }
}