Invoices API

const API_KEY = process.env.GENERATEINVOICE_API_KEY;
const BASE_URL = 'https://api.generateinvoice.com/v1';

async function createAndSendInvoice() {
  // Create the invoice
  const createResponse = await fetch(`${BASE_URL}/invoices`, {
    method: 'POST',
    headers: {
      'Authorization': `Bearer ${API_KEY}`,
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      document_type: 'invoice',
      from_details: {
        name: 'Your Company',
        email: 'billing@yourcompany.com',
        address_line1: '123 Business St',
        city: 'San Francisco',
        country_code: 'US',
      },
      to_details: {
        name: 'John Doe',
        email: 'john@example.com',
        company_name: 'Acme Corp',
      },
      line_items: [
        {
          description: 'Consulting Services',
          quantity: 10,
          unit: 'hours',
          unit_price: 150.00,
        },
      ],
      currency: 'USD',
      due_date: '2024-02-14',
    }),
  });

  const { data: invoice } = await createResponse.json();
  console.log('Created invoice:', invoice.id);

  // Send the invoice
  const sendResponse = await fetch(`${BASE_URL}/invoices/${invoice.id}/send`, {
    method: 'POST',
    headers: {
      'Authorization': `Bearer ${API_KEY}`,
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      to_email: 'john@example.com',
      message: 'Please find your invoice attached.',
    }),
  });

  const { data: sentInvoice } = await sendResponse.json();
  console.log('Invoice sent at:', sentInvoice.sent_at);
}