curl --request POST \
  --url https://api.iotools.cloud/v1/tool/modulo-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "operation": "mod",
  "valueA": "17",
  "valueB": "5",
  "modulus": "5"
}
'

{
  "tool": "modulo-calculator",
  "tool_version": "1.0.1",
  "outputs": {
    "result": "2",
    "truncated": "2",
    "euclidean": "2",
    "steps": "Computing: 17 mod 5\n\nDivision:\n  17 ÷ 5 = 3 remainder 2\n\nVerification:\n  5 × 3 + 2 = 17\n\nTruncated result (JS %):  17 mod 5 = 2\nEuclidean result (≥ 0):   17 mod 5 = 2"
  },
  "credits_used": 3,
  "credits_remaining": null
}