curl --request POST \
  --url https://api.iotools.cloud/v1/tool/anchor-bolt-pullout-estimator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "anchorType": "cast-in",
  "anchorDiameter": "16",
  "embedmentDepth": "100",
  "concreteStrength": "25",
  "boltGrade": "8.8",
  "safetyFactor": "4"
}
'

{
  "tool": "anchor-bolt-pullout-estimator",
  "tool_version": "1.0.2",
  "outputs": {
    "governingCapacity": "50.00 kN (11,240 lbf) — governed by Concrete breakout",
    "allowableLoad": "12.50 kN (2,810 lbf) at safety factor 4.0",
    "breakdownTable": [
      {
        "item": "Anchor type",
        "value": "Cast-in headed anchor"
      },
      {
        "item": "kc constant",
        "value": "10"
      },
      {
        "item": "Anchor diameter",
        "value": "16.0 mm"
      },
      {
        "item": "Embedment depth (hef)",
        "value": "100.0 mm"
      },
      {
        "item": "Concrete strength (f'c)",
        "value": "25.0 MPa"
      },
      {
        "item": "Concrete breakout strength (Nb)",
        "value": "50.00 kN (11,240 lbf)"
      },
      {
        "item": "Bolt grade",
        "value": "Grade 8.8 (futa 800 MPa)"
      },
      {
        "item": "Approx. steel tensile area (Ase)",
        "value": "150.8 mm²"
      },
      {
        "item": "Steel tensile strength (Nsa)",
        "value": "120.64 kN (27,120 lbf)"
      },
      {
        "item": "Governing ultimate capacity",
        "value": "50.00 kN — Concrete breakout"
      },
      {
        "item": "Safety factor",
        "value": "4.0"
      },
      {
        "item": "Allowable working load",
        "value": "12.50 kN (2,810 lbf)"
      }
    ]
  },
  "credits_used": 5,
  "credits_remaining": null
}