Generate Swiss QR-Bill Invoices with One API Call

curl -X POST 'https://europe-west6-magic-heidi.cloudfunctions.net/create_invoice_abstract_v1d' \
  -H 'Content-Type: application/json' \
  -d '{
    "data": {
      "language": "en",
      "file_name": "invoice-001.pdf",
      "invoice_number": 1,
      "invoice_date": "15/01/2025",
      "user_details": {
        "name": "Your Company GmbH",
        "address": "Bahnhofstrasse 10",
        "zip": "8001",
        "city": "Zürich",
        "iban": "CH93 0076 2011 6238 5295 7"
      },
      "customer_details": {
        "name": "Customer AG",
        "address": "Rue du Marché 5",
        "zip": "1204",
        "city": "Genève"
      },
      "invoice_items": [
        {
          "description": "Consulting services",
          "quantity": 8,
          "unit_price": 150.00
        }
      ]
    }
  }'

The response contains a URL to your generated PDF:

{
  "result": "https://storage.googleapis.com/.../invoice-001.pdf"
}

That's it. A complete, compliant Swiss invoice with QR payment slip.

Endpoint

POST https://europe-west6-magic-heidi.cloudfunctions.net/create_invoice_abstract_v1d

Required Parameters

user_details object:

{
  "name": "Company Name",
  "address": "Street and number",
  "zip": "8001",
  "city": "Zürich",
  "iban": "CH93 0076 2011 6238 5295 7"
}

customer_details object:

{
  "name": "Customer Name",
  "address": "Street and number",
  "zip": "1204",
  "city": "Genève"
}

invoice_items array:

[
  {
    "description": "Service description",
    "quantity": 1.5,
    "unit_price": 100.00
  }
]

Python

import requests
import json

url = "https://europe-west6-magic-heidi.cloudfunctions.net/create_invoice_abstract_v1d"

payload = {
    "data": {
        "language": "de",
        "currency": "CHF",
        "file_name": "rechnung-2025-001.pdf",
        "invoice_number": 1,
        "invoice_date": "15/01/2025",
        "vat_enabled": True,
        "vat_percentage": 0.081,
        "vat_number": "CHE-123.456.789",
        "user_details": {
            "name": "Muster GmbH",
            "address": "Bahnhofstrasse 10",
            "zip": "8001",
            "city": "Zürich",
            "iban": "CH93 0076 2011 6238 5295 7"
        },
        "customer_details": {
            "name": "Kunde AG",
            "address": "Hauptstrasse 1",
            "zip": "3000",
            "city": "Bern"
        },
        "invoice_items": [
            {
                "description": "Beratungsleistungen Januar 2025",
                "quantity": 10,
                "unit_price": 180.00
            },
            {
                "description": "Reisekosten",
                "quantity": 1,
                "unit_price": 45.50
            }
        ]
    }
}

response = requests.post(url, json=payload)
result = response.json()

print(f"Invoice URL: {result['result']}")

Node.js (Axios)

const axios = require('axios');

const url = 'https://europe-west6-magic-heidi.cloudfunctions.net/create_invoice_abstract_v1d';

const payload = {
  data: {
    language: 'fr',
    currency: 'CHF',
    file_name: 'facture-2025-001.pdf',
    invoice_number: 1,
    invoice_date: '15/01/2025',
    logo_url: 'https://your-domain.ch/logo.png',
    user_details: {
      name: 'Votre Entreprise Sàrl',
      address: 'Rue du Lac 15',
      zip: '1003',
      city: 'Lausanne',
      iban: 'CH93 0076 2011 6238 5295 7'
    },
    customer_details: {
      name: 'Client SA',
      address: 'Avenue de la Gare 8',
      zip: '1201',
      city: 'Genève'
    },
    invoice_items: [
      {
        description: 'Services de développement',
        quantity: 40,
        unit_price: 120.00
      }
    ]
  }
};

axios.post(url, payload)
  .then(response => {
    console.log('Invoice URL:', response.data.result);
  })
  .catch(error => {
    console.error('Error:', error.response?.data || error.message);
  });

PHP (cURL)

<?php

$url = 'https://europe-west6-magic-heidi.cloudfunctions.net/create_invoice_abstract_v1d';

$payload = [
    'data' => [
        'language' => 'it',
        'file_name' => 'fattura-2025-001.pdf',
        'invoice_number' => 1,
        'invoice_date' => '15/01/2025',
        'user_details' => [
            'name' => 'La Tua Azienda Sagl',
            'address' => 'Via Nassa 20',
            'zip' => '6900',
            'city' => 'Lugano',
            'iban' => 'CH93 0076 2011 6238 5295 7'
        ],
        'customer_details' => [
            'name' => 'Cliente SA',
            'address' => 'Piazza Grande 5',
            'zip' => '6600',
            'city' => 'Locarno'
        ],
        'invoice_items' => [
            [
                'description' => 'Servizi di consulenza',
                'quantity' => 5,
                'unit_price' => 200.00
            ]
        ]
    ]
];

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);

$response = curl_exec($ch);
curl_close($ch);

$result = json_decode($response, true);
echo "Invoice URL: " . $result['result'];

200 OK

{
  "result": "https://storage.googleapis.com/.../invoice.pdf"
}

422 Unprocessable Entity

{
  "error": "Provided IBAN is invalid"
}

Common validation errors:

• Invalid IBAN format or checksum
• Missing required parameters
• Invalid date format (must be DD/MM/YYYY)
• Amount outside valid range

500 Internal Server Error

These are monitored internally. If you encounter one, email hello@magicheidi.ch with the timestamp for troubleshooting.