Wystaw API

const res = await fetch(`${WYSTAW_API}/invoices?status=accepted,issued&limit=20`, {
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/invoices`, {
  method: 'POST',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}`, 'Content-Type': 'application/json', 'Idempotency-Key': crypto.randomUUID() },
  body: JSON.stringify(invoice),
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/invoices/${id}`, {
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/invoices/${id}`, {
  method: 'PUT',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}`, 'Content-Type': 'application/json' },
  body: JSON.stringify(body),
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/invoices/${id}`, {
  method: 'DELETE',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
// 204 No Content

const res = await fetch(`${WYSTAW_API}/invoices/${id}/issue`, {
  method: 'POST',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}`, 'Content-Type': 'application/json' },
  body: JSON.stringify(body),
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/invoices/${id}/send`, {
  method: 'POST',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}`, 'Content-Type': 'application/json' },
  body: JSON.stringify({"to":["[email protected]"],"lang":"en"}),
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/invoices/${id}/corrections`, {
  method: 'POST',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}`, 'Content-Type': 'application/json' },
  body: JSON.stringify({"reason":"Rabat posprzedażowy","effect":"1"}),
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/invoices/${id}/mark-paid`, {
  method: 'POST',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}`, 'Content-Type': 'application/json' },
  body: JSON.stringify({"paidAt":"2026-10-15","amount":null}),
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/invoices/${id}/pdf?lang=en`, {
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const file = Buffer.from(await res.arrayBuffer());

const res = await fetch(`${WYSTAW_API}/invoices/${id}/xml`, {
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const file = Buffer.from(await res.arrayBuffer());

const res = await fetch(`${WYSTAW_API}/invoices/${id}/upo`, {
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const file = Buffer.from(await res.arrayBuffer());

const res = await fetch(`${WYSTAW_API}/customers?q=kawiarnia`, {
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/customers`, {
  method: 'POST',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}`, 'Content-Type': 'application/json' },
  body: JSON.stringify({"kind":"company","name":"Kawiarnia Pod Lipą Sp. z o.o.","nip":"2860913907","vatUe":null,"otherTaxId":null,"address":{"street":"ul. Lipowa","buildingNo":"5","apartmentNo":null,"postalCode":"31-001","city":"Kraków","country":"PL"},"email":"[email protected]","defaultLang":"pl","defaultCurrency":"PLN","notes":null}),
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/customers/lookup?nip=2860913907`, {
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/customers/${id}`, {
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/customers/${id}`, {
  method: 'PATCH',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}`, 'Content-Type': 'application/json' },
  body: JSON.stringify({"email":"[email protected]"}),
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/customers/${id}`, {
  method: 'DELETE',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
// 204 No Content

const res = await fetch(`${WYSTAW_API}/products?q=logo&limit=20`, {
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/products`, {
  method: 'POST',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}`, 'Content-Type': 'application/json' },
  body: JSON.stringify({"brandId":null,"name":"Projekt logo","description":null,"unit":"usł.","priceNet":"1500.00","vatRate":"23","currency":"PLN","pkwiu":null,"gtu":null,"sku":"LOGO-1","active":true}),
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/products/${id}`, {
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/products/${id}`, {
  method: 'PATCH',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}`, 'Content-Type': 'application/json' },
  body: JSON.stringify({"priceNet":"1800.00"}),
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/products/${id}`, {
  method: 'PUT',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}`, 'Content-Type': 'application/json' },
  body: JSON.stringify(body),
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/products/${id}/archive`, {
  method: 'POST',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/brands`, {
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/bank-accounts`, {
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/webhooks`, {
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/webhooks`, {
  method: 'POST',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}`, 'Content-Type': 'application/json' },
  body: JSON.stringify({"url":"https://example.com/wystaw/webhooks","events":["invoice.ksef.accepted","invoice.ksef.rejected"],"description":"Sklep"}),
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/webhooks/${id}`, {
  method: 'DELETE',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
// 204 No Content

const res = await fetch(`${WYSTAW_API}/webhooks/${id}/test`, {
  method: 'POST',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/webhooks/${id}/enable`, {
  method: 'POST',
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();

const res = await fetch(`${WYSTAW_API}/me`, {
  headers: { Authorization: `Bearer ${process.env.WYSTAW_API_KEY}` },
});
if (!res.ok) throw new Error((await res.json()).detail); // application/problem+json
const data = await res.json();