doclinth

GST tax invoice

Pack 05 · India GST · A4

A production-grade GST tax invoice designed around Indian compliance rather than retrofitted from a generic invoice. Toggle intra-state or inter-state tax rows in data while keeping the same polished, audit-friendly document.

  1. CGST/SGST and IGST variants in one template
  2. GSTIN, state code, place-of-supply and reverse-charge fields
  3. HSN/SAC and per-line GST rates
  4. Amount-in-words, bank details and declaration
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Example data

The data payload this template expects. Generate gst tax invoice PDFs by POSTing a shape like this to /v1/generate.

sample_data.json
{
  "invoice_number": "KL/26-27/0148",
  "invoice_date": "2026-07-08",
  "financial_year": "2026-27",
  "place_of_supply": "Karnataka (29)",
  "reverse_charge": "No",
  "currency": "INR",
  "seller": {
    "name": "Kite & Loom Private Limited",
    "tagline": "Contract textiles for considered spaces",
    "address": "Unit 14, Weave Works, Lower Parel, Mumbai 400013",
    "gstin": "27AAECK4821F1ZQ",
    "state_code": "27"
  },
  "buyer": {
    "name": "Riverstone Hospitality LLP",
    "address": "18 Residency Road, Bengaluru 560025",
    "delivery_address": "Riverstone House Stores, Halasuru, Bengaluru 560008",
    "gstin": "29AATFR7316M1Z8",
    "state_code": "29"
  },
  "einvoice": {
    "irn": "",
    "ack_number": "",
    "ack_date": "",
    "qr_image": ""
  },
  "items": [
    {
      "line": "01",
      "description": "Custom linen drapery",
      "detail": "Stone, 280 cm width",
      "hsn_sac": "63039990",
      "quantity": 42,
      "rate": 1850,
      "taxable": 77700,
      "tax_label": "IGST 18%",
      "tax_amount": 13986,
      "amount": 91686
    },
    {
      "line": "02",
      "description": "Linen sheer panels",
      "detail": "Natural, weighted hem",
      "hsn_sac": "63039200",
      "quantity": 42,
      "rate": 1120,
      "taxable": 47040,
      "tax_label": "IGST 18%",
      "tax_amount": 8467.2,
      "amount": 55507.2
    },
    {
      "line": "03",
      "description": "Ceiling track system",
      "detail": "Cut to approved site schedule",
      "hsn_sac": "76109090",
      "quantity": 96,
      "rate": 720,
      "taxable": 69120,
      "tax_label": "IGST 18%",
      "tax_amount": 12441.6,
      "amount": 81561.6
    },
    {
      "line": "04",
      "description": "On-site installation",
      "detail": "Level 3 guest suites",
      "hsn_sac": "998739",
      "quantity": 1,
      "rate": 18500,
      "taxable": 18500,
      "tax_label": "IGST 18%",
      "tax_amount": 3330,
      "amount": 21830
    }
  ],
  "intra_state": false,
  "inter_state": true,
  "taxable_total": 212360,
  "cgst_total": 0,
  "sgst_total": 0,
  "igst_total": 38224.8,
  "round_off": 0.2,
  "grand_total": 250585,
  "amount_in_words": "Indian Rupees Two Lakh Fifty Thousand Five Hundred Eighty-Five Only",
  "bank": {
    "name": "Axis Bank",
    "account": "91XX 0048",
    "ifsc": "UTIB0000195",
    "branch": "Lower Parel"
  },
  "payment_terms": "Net 15 · quote invoice number with transfer"
}
generate.sh
curl -X POST https://doclinth.com/v1/generate \
  -H "Authorization: Bearer dl_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"template_id":"YOUR_TEMPLATE_ID","data":{"invoice_number":"KL/26-27/0148","invoice_date":"2026-07-08","financial_year":"2026-27","place_of_supply":"Karnataka (29)","reverse_charge":"No","currency":"INR","seller":{"name":"Kite & Loom Private Limited","tagline":"Contract textiles for considered spaces","address":"Unit 14, Weave Works, Lower Parel, Mumbai 400013","gstin":"27AAECK4821F1ZQ","state_code":"27"},"buyer":{"name":"Riverstone Hospitality LLP","address":"18 Residency Road, Bengaluru 560025","delivery_address":"Riverstone House Stores, Halasuru, Bengaluru 560008","gstin":"29AATFR7316M1Z8","state_code":"29"},"einvoice":{"irn":"","ack_number":"","ack_date":"","qr_image":""},"items":[{"line":"01","description":"Custom linen drapery","detail":"Stone, 280 cm width","hsn_sac":"63039990","quantity":42,"rate":1850,"taxable":77700,"tax_label":"IGST 18%","tax_amount":13986,"amount":91686},{"line":"02","description":"Linen sheer panels","detail":"Natural, weighted hem","hsn_sac":"63039200","quantity":42,"rate":1120,"taxable":47040,"tax_label":"IGST 18%","tax_amount":8467.2,"amount":55507.2},{"line":"03","description":"Ceiling track system","detail":"Cut to approved site schedule","hsn_sac":"76109090","quantity":96,"rate":720,"taxable":69120,"tax_label":"IGST 18%","tax_amount":12441.6,"amount":81561.6},{"line":"04","description":"On-site installation","detail":"Level 3 guest suites","hsn_sac":"998739","quantity":1,"rate":18500,"taxable":18500,"tax_label":"IGST 18%","tax_amount":3330,"amount":21830}],"intra_state":false,"inter_state":true,"taxable_total":212360,"cgst_total":0,"sgst_total":0,"igst_total":38224.8,"round_off":0.2,"grand_total":250585,"amount_in_words":"Indian Rupees Two Lakh Fifty Thousand Five Hundred Eighty-Five Only","bank":{"name":"Axis Bank","account":"91XX 0048","ifsc":"UTIB0000195","branch":"Lower Parel"},"payment_terms":"Net 15 · quote invoice number with transfer"}}'

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