Anvil

import fs from 'fs';
import { Nango } from '@nangohq/node';

const nango = new Nango({ secretKey: '<NANGO-SECRET-KEY>' });

const res = await nango.post({
    endpoint: '/api/v1/generate-pdf',
    providerConfigKey: '<INTEGRATION-ID>',
    connectionId: '<CONNECTION-ID>',
    data: {
        title: 'Example Invoice',
        type: 'markdown',
        data: [
            { label: 'Name', content: 'Sally Smith' },
            { content: 'Lorem **ipsum** dolor sit _amet_...', fontSize: 12, textColor: '#616161' },
            {
                table: {
                    rows: [
                        ['Description', 'Quantity', 'Price'],
                        ['4x Large Widgets', '4', '$40.00'],
                        ['10x Medium Sized Widgets in dark blue', '10', '$100.00'],
                        ['6x Small Widgets in white', '6', '$60.00']
                    ],
                    columnOptions: [
                        { align: 'left', width: '60%' },
                        { align: 'center', width: '100px' },
                        { align: 'right' }
                    ],
                    firstRowHeaders: true,
                    rowGridlines: true,
                    columnGridlines: true,
                    verticalAlign: 'center'
                }
            }
        ],
        page: {
            width: '612px',
            height: '792px',
            marginTop: '30px',
            marginBottom: '30px',
            marginLeft: '60px',
            marginRight: '60px',
            pageCount: 'bottomCenter'
        },
        fontSize: 16,
        textColor: '#171717',
        includeTimestamp: true,
        logo: {
            src: 'https://example.com/mtnlogo.png',
            maxWidth: 200,
            maxHeight: 200
        }
    },
    responseType: 'arraybuffer'
});

// Response is binary PDF bytes — save as binary
fs.writeFileSync('invoice.pdf', Buffer.from(res.data), { encoding: null });