curl --request POST \
  --url https://api.txcloud.io/v1/fraud/blocklist/check \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "checks": [
    {
      "type": "<string>",
      "value": "<string>"
    }
  ]
}
'

{
  "results": [
    {
      "type": "<string>",
      "value": "<string>",
      "blocked": true
    }
  ]
}