curl --request POST \
  --url https://api.vantage.sh/v2/anomaly_notifications \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "cost_report_token": "<string>",
  "threshold": 123,
  "user_tokens": [
    "<string>"
  ],
  "recipient_channels": [
    "<string>"
  ]
}
'

{
  "token": "rprt_alrt_9b22edfa0a175609",
  "cost_report_token": "rprt_4c9e5f72ae27bc24",
  "created_at": "2024-04-09T15:05:37Z",
  "updated_at": "2024-04-09T15:05:37Z",
  "threshold": 1,
  "user_tokens": [
    "usr_3773d590e84f6f12"
  ],
  "recipient_channels": [
    "channel1",
    "channel2"
  ]
}