Create Invoice

POST /api/invoices/webhook

{
  // Required fields
  customer: {
    name: string;
    address: string;
    city: string;
    postalCode: string;
    country: string;
    email?: string;
    phone?: string;
    nip?: string;
  };
  items: Array<{
    name: string;
    quantity: number;
    price: number;
    description?: string;
  }>;

  // Optional fields
  date?: string;              // Defaults to current date
  dueDate?: string;          // Defaults to 14 days from now
  language?: string;         // Defaults to 'en'
  currency?: string;         // Defaults to 'EUR'
  timezone?: string;         // Defaults to 'Europe/Warsaw'
  status?: 'pending' | 'paid' | 'overdue' | 'cancelled';  // Defaults to 'pending'
  type?: 'invoice' | 'quote' | 'receipt';  // Defaults to 'invoice'
  
  // Shipping information (optional)
  shipping?: {
    company?: string;
    name?: string;
    address?: string;
    city?: string;
    postalCode?: string;
    country?: string;
    phone?: string;
    email?: string;
    nip?: string;
    costs?: number;
  };

  // Payment details (optional)
  payment?: {
    IBAN?: string;
    BIC?: string;
    bank?: string;
    statement?: string;
  };

  // Tax and discount settings (optional)
  taxRate?: number;                // Defaults to 0
  includeShippingInTax?: boolean;  // Defaults to false
  discounts?: Array<{
    type: 'percentage' | 'fixed';
    value: number;
    description?: string;
  }>;

  metadata?: {
    header?: Array<{
      key: string;
      value: string;
    }>;
    logo?: string;         // URL to logo image
  };
}

{
  success: boolean;
  invoiceId: string;
  message: string;
}

const response = await fetch('https://api.axonomy.com/api/invoices/webhook', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer your-api-key',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    customer: {
      name: 'Acme Corp',
      address: '123 Business St',
      city: 'Tech City',
      postalCode: '12345',
      country: 'United States',
      email: 'billing@acme.com'
    },
    items: [
      {
        name: 'Web Development',
        quantity: 1,
        price: 1000,
        description: 'Frontend development services'
      }
    ],
    currency: 'USD',
    taxRate: 20,
    payment: {
      IBAN: 'DE89370400440532013000'
    }
  })
});

const data = await response.json();