Swiss QR Invoice API: Generate Compliant Invoices in Seconds

JavaScript / Node.js

const axios = require('axios');

async function generateInvoice() {
  const response = await axios.post(
    'https://europe-west6-magic-heidi.cloudfunctions.net/create_invoice_abstract_v1d',
    {
      data: {
        user_details: {
          name: "Tech Solutions AG",
          address: "Technoparkstrasse 1",
          zip: "8005",
          city: "Zürich",
          iban: "CH0700700112900411647"
        },
        customer_details: {
          name: "Client Corp",
          address: "Avenue de la Gare 10",
          zip: "1003",
          city: "Lausanne"
        },
        invoice_items: [
          {
            description: "API Integration Service",
            quantity: 5,
            unit_price: 200.00
          }
        ]
      }
    }
  );
  
  return response.data.result.pdf_url;
}

Python

import requests
import json

def generate_qr_invoice():
    url = "https://europe-west6-magic-heidi.cloudfunctions.net/create_invoice_abstract_v1d"
    
    payload = {
        "data": {
            "user_details": {
                "name": "Your Company GmbH",
                "address": "Bahnhofstrasse 1",
                "zip": "8001",
                "city": "Zürich",
                "iban": "CH0700700112900411647"
            },
            "customer_details": {
                "name": "Customer Name",
                "address": "Street Address",
                "zip": "1000",
                "city": "Lausanne"
            },
            "invoice_items": [
                {
                    "description": "Consulting Services",
                    "quantity": 10,
                    "unit_price": 180.00
                }
            ]
        }
    }
    
    response = requests.post(url, json=payload)
    return response.json()['result']['pdf_url']

PHP

<?php
$curl = curl_init();

$data = [
    'data' => [
        'user_details' => [
            'name' => 'Swiss Services SA',
            'address' => 'Route de Berne 5',
            'zip' => '1010',
            'city' => 'Lausanne',
            'iban' => 'CH0700700112900411647'
        ],
        'customer_details' => [
            'name' => 'Client Company',
            'address' => 'Via Nassa 1',
            'zip' => '6900',
            'city' => 'Lugano'
        ],
        'invoice_items' => [
            [
                'description' => 'Web Development',
                'quantity' => 20,
                'unit_price' => 125.00
            ]
        ]
    ]
];

curl_setopt_array($curl, [
    CURLOPT_URL => 'https://europe-west6-magic-heidi.cloudfunctions.net/create_invoice_abstract_v1d',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST => true,
    CURLOPT_POSTFIELDS => json_encode($data),
    CURLOPT_HTTPHEADER => ['Content-Type: application/json']
]);

$response = curl_exec($curl);
$result = json_decode($response, true);

echo $result['result']['pdf_url'];
?>

Ruby

require 'net/http'
require 'json'
require 'uri'

uri = URI('https://europe-west6-magic-heidi.cloudfunctions.net/create_invoice_abstract_v1d')

payload = {
  data: {
    user_details: {
      name: "Development Studio GmbH",
      address: "Seestrasse 20",
      zip: "8002",
      city: "Zürich",
      iban: "CH0700700112900411647"
    },
    customer_details: {
      name: "Client Business AG",
      address: "Spalenring 5",
      zip: "4055",
      city: "Basel"
    },
    invoice_items: [
      {
        description: "Design Services",
        quantity: 15,
        unit_price: 160.00
      }
    ]
  }
}

response = Net::HTTP.post(uri, payload.to_json, 
  'Content-Type' => 'application/json')

result = JSON.parse(response.body)
puts result['result']['pdf_url']

Go

package main

import (
    "bytes"
    "encoding/json"
    "net/http"
)

type InvoiceRequest struct {
    Data struct {
        UserDetails struct {
            Name    string `json:"name"`
            Address string `json:"address"`
            Zip     string `json:"zip"`
            City    string `json:"city"`
            IBAN    string `json:"iban"`
        } `json:"user_details"`
        CustomerDetails struct {
            Name    string `json:"name"`
            Address string `json:"address"`
            Zip     string `json:"zip"`
            City    string `json:"city"`
        } `json:"customer_details"`
        InvoiceItems []struct {
            Description string  `json:"description"`
            Quantity    float64 `json:"quantity"`
            UnitPrice   float64 `json:"unit_price"`
        } `json:"invoice_items"`
    } `json:"data"`
}

func generateInvoice() (string, error) {
    url := "https://europe-west6-magic-heidi.cloudfunctions.net/create_invoice_abstract_v1d"
    
    var req InvoiceRequest
    req.Data.UserDetails.Name = "Swiss Tech AG"
    req.Data.UserDetails.Address = "Technoparkstrasse 1"
    req.Data.UserDetails.Zip = "8005"
    req.Data.UserDetails.City = "Zürich"
    req.Data.UserDetails.IBAN = "CH0700700112900411647"
    
    jsonData, _ := json.Marshal(req)
    resp, err := http.Post(url, "application/json", bytes.NewBuffer(jsonData))
    
    // Handle response...
    return "pdf_url", err
}

Java

import java.net.http.*;
import java.net.URI;
import org.json.JSONObject;

public class QRInvoiceGenerator {
    public static String generateInvoice() throws Exception {
        String url = "https://europe-west6-magic-heidi.cloudfunctions.net/create_invoice_abstract_v1d";
        
        JSONObject payload = new JSONObject()
            .put("data", new JSONObject()
                .put("user_details", new JSONObject()
                    .put("name", "Software GmbH")
                    .put("address", "Europaallee 1")
                    .put("zip", "8004")
                    .put("city", "Zürich")
                    .put("iban", "CH0700700112900411647"))
                .put("customer_details", new JSONObject()
                    .put("name", "Client AG")
                    .put("address", "Bahnhofstrasse 10")
                    .put("zip", "3011")
                    .put("city", "Bern"))
                .put("invoice_items", new JSONArray()
                    .put(new JSONObject()
                        .put("description", "Development")
                        .put("quantity", 40)
                        .put("unit_price", 150.00))));
        
        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create(url))
            .header("Content-Type", "application/json")
            .POST(HttpRequest.BodyPublishers.ofString(payload.toString()))
            .build();
            
        HttpResponse<String> response = HttpClient.newHttpClient()
            .send(request, HttpResponse.BodyHandlers.ofString());
            
        JSONObject result = new JSONObject(response.body());
        return result.getJSONObject("result").getString("pdf_url");
    }
}