curl --request POST \
  --url https://api.croma.run/pe/sunat/taxpayers/lookup/v1 \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "document_number": "20100070970"
}
'

{
  "data": {
    "ruc": "<string>",
    "taxpayer_name": "<string>",
    "taxpayer_type": "<string>",
    "taxpayer_status": "<string>",
    "taxpayer_condition": "<string>",
    "fiscal_address": "<string>"
  }
}