curl --request POST \
  --url https://api.txcloud.io/v1/fraud/velocity/check \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "action": "<string>",
  "user_id": "<string>",
  "ip_address": "<string>",
  "device_id": "<string>",
  "window": "<string>"
}
'

{
  "id": "<string>",
  "allowed": true,
  "reason": "<string>",
  "counts": {},
  "triggered_rules": [
    {}
  ],
  "retry_after": 123
}