curl --request POST \
  --url https://api.iotools.cloud/v1/tool/pressure-converter \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "value": "1",
  "fromUnit": "atmosphere",
  "toUnit": "all",
  "precision": "4"
}
'

{
  "tool": "pressure-converter",
  "tool_version": "1.0.1",
  "outputs": {
    "result": "",
    "table": [
      {
        "unit": "Pascal (Pa)",
        "value": "101325"
      },
      {
        "unit": "Kilopascal (kPa)",
        "value": "101.325"
      },
      {
        "unit": "Megapascal (MPa)",
        "value": "0.1013"
      },
      {
        "unit": "Bar (bar)",
        "value": "1.0132"
      },
      {
        "unit": "Millibar (mbar)",
        "value": "1013.25"
      },
      {
        "unit": "Atmosphere (atm)",
        "value": "1"
      },
      {
        "unit": "Technical Atmosphere (at)",
        "value": "1.0332"
      },
      {
        "unit": "Pounds per Square Inch (psi)",
        "value": "14.6959"
      },
      {
        "unit": "Kilopounds per Square Inch (ksi)",
        "value": "0.0147"
      },
      {
        "unit": "Torr / mmHg",
        "value": "760.0021"
      },
      {
        "unit": "Inches of Mercury (inHg)",
        "value": "29.9213"
      },
      {
        "unit": "Centimeters of Water (cmH₂O)",
        "value": "1033.2275"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}