{
  "info": {
    "name": "CalcHub UK Tax API",
    "description": "Free, read-only JSON API for UK tax calculations (2026/27). No auth. Free with attribution — https://calchub.uk/api/terms/",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
  },
  "variable": [
    { "key": "baseUrl", "value": "https://calchub.uk/api/v1" }
  ],
  "item": [
    {
      "name": "Take-home pay",
      "request": {
        "method": "GET",
        "url": { "raw": "{{baseUrl}}/take-home/50000-england", "host": ["{{baseUrl}}"], "path": ["take-home", "50000-england"] },
        "description": "Net pay after Income Tax, NI and pension. Key: <salary>-<region>."
      }
    },
    {
      "name": "Income tax",
      "request": {
        "method": "GET",
        "url": { "raw": "{{baseUrl}}/income-tax/50000-scotland", "host": ["{{baseUrl}}"], "path": ["income-tax", "50000-scotland"] },
        "description": "UK Income Tax bands. Key: <income>-<region> (england|scotland|wales|northern-ireland)."
      }
    },
    {
      "name": "National Insurance",
      "request": {
        "method": "GET",
        "url": { "raw": "{{baseUrl}}/national-insurance/50000", "host": ["{{baseUrl}}"], "path": ["national-insurance", "50000"] },
        "description": "Class 1 employee NI. Path: <salary>."
      }
    },
    {
      "name": "Stamp duty",
      "request": {
        "method": "GET",
        "url": { "raw": "{{baseUrl}}/stamp-duty/500000-england", "host": ["{{baseUrl}}"], "path": ["stamp-duty", "500000-england"] },
        "description": "SDLT (england), LBTT (scotland), LTT (wales). Key: <price>-<region>."
      }
    },
    {
      "name": "VAT",
      "request": {
        "method": "GET",
        "url": { "raw": "{{baseUrl}}/vat/1000-standard-add", "host": ["{{baseUrl}}"], "path": ["vat", "1000-standard-add"] },
        "description": "Add/remove VAT. Key: <amount>-<rate>-<direction> (rate: standard|reduced, direction: add|remove)."
      }
    }
  ]
}