Obliczanie faktur handlowych B2B z dziesiętną precyzją dla wielu walut…

curl -X POST 'https://app.castomapi.com/v1/verify/invoice-calculator' \
  -H 'x-api-key: <your-api-key>' \
  -H 'Content-Type: application/json' \
  -d '{"buyer": {"countryCode": "PL", "isB2B": true, "name": "Ada Lovelace", "vatNumber": "PL8993033031"}, "currency": "EUR", "globalDiscountAmount": 0, "invoiceNumber": "<invoice number>", "lineItems": [], "seller": {"countryCode": "PL", "name": "Ada Lovelace", "vatNumber": "PL8993033031"}}'

const res = await fetch('https://app.castomapi.com/v1/verify/invoice-calculator', {
  method: 'POST',
  headers: { 'x-api-key': '<your-api-key>', 'Content-Type': 'application/json' },
  body: JSON.stringify({"buyer": {"countryCode": "PL", "isB2B": true, "name": "Ada Lovelace", "vatNumber": "PL8993033031"}, "currency": "EUR", "globalDiscountAmount": 0, "invoiceNumber": "<invoice number>", "lineItems": [], "seller": {"countryCode": "PL", "name": "Ada Lovelace", "vatNumber": "PL8993033031"}})
});
const data = await res.json();
console.log(data);

import { request } from 'node:https';

// Node 18+ has fetch built in
const res = await fetch('https://app.castomapi.com/v1/verify/invoice-calculator', {
  method: 'POST',
  headers: { 'x-api-key': '<your-api-key>', 'Content-Type': 'application/json' },
  body: JSON.stringify({"buyer": {"countryCode": "PL", "isB2B": true, "name": "Ada Lovelace", "vatNumber": "PL8993033031"}, "currency": "EUR", "globalDiscountAmount": 0, "invoiceNumber": "<invoice number>", "lineItems": [], "seller": {"countryCode": "PL", "name": "Ada Lovelace", "vatNumber": "PL8993033031"}})
});
const data = await res.json();
console.log(data);

import requests

res = requests.post(
    'https://app.castomapi.com/v1/verify/invoice-calculator',
    headers={'x-api-key': '<your-api-key>'},
    json={"buyer": {"countryCode": "PL", "isB2B": True, "name": "Ada Lovelace", "vatNumber": "PL8993033031"}, "currency": "EUR", "globalDiscountAmount": 0, "invoiceNumber": "<invoice number>", "lineItems": [], "seller": {"countryCode": "PL", "name": "Ada Lovelace", "vatNumber": "PL8993033031"}},
    timeout=30,
)
print(res.json())

<?php
$ch = curl_init('https://app.castomapi.com/v1/verify/invoice-calculator');
curl_setopt_array($ch, [
    CURLOPT_CUSTOMREQUEST => 'POST',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ['x-api-key: <your-api-key>', 'Content-Type: application/json'],
    CURLOPT_POSTFIELDS => json_encode(['buyer' => ['countryCode' => 'PL', 'isB2B' => true, 'name' => 'Ada Lovelace', 'vatNumber' => 'PL8993033031'], 'currency' => 'EUR', 'globalDiscountAmount' => 0, 'invoiceNumber' => '<invoice number>', 'lineItems' => [], 'seller' => ['countryCode' => 'PL', 'name' => 'Ada Lovelace', 'vatNumber' => 'PL8993033031']]),
]);
$data = json_decode(curl_exec($ch), true);
print_r($data);