curl --request POST \
  --url https://api.iotools.cloud/v1/tool/hmac-generator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "inputText": "The quick brown fox jumps over the lazy dog",
  "secret": "key",
  "algorithm": "sha256",
  "outputFormat": "hex",
  "expectedHmac": ""
}
'

{
  "tool": "hmac-generator",
  "tool_version": "1.0.1",
  "outputs": {
    "output": "f7bc83f430538424b13298e6aa6fb143ef4d59a14946175997479dbc2d1a3cd8",
    "match": ""
  },
  "credits_used": 3,
  "credits_remaining": null
}