curl --request POST \
  --url https://api.iotools.cloud/v1/tool/bin-iin-lookup \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "cardNumber": "4111111111111111"
}
'

{
  "tool": "bin-iin-lookup",
  "tool_version": "1.0.1",
  "outputs": {
    "result": [
      {
        "field": "Card Network",
        "value": "Visa"
      },
      {
        "field": "BIN / IIN Used",
        "value": "41111111"
      },
      {
        "field": "Typical Card Length",
        "value": "13, 16, 19 digits"
      },
      {
        "field": "Luhn Checksum",
        "value": "Valid (passes Luhn checksum)"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}