Generate PDF Invoices with HTML2PDFAPI

Automate your invoice generation by converting HTML templates to professional PDFs. Perfect for e-commerce platforms, SaaS applications, and billing systems.

Why Use an API for Invoice Generation?

Consistent Branding

Use your existing HTML/CSS to ensure invoices match your brand perfectly.

Dynamic Data

Insert customer details, line items, taxes, and totals dynamically.

Scalable

Generate thousands of invoices without managing PDF infrastructure.

Direct Storage

Send PDFs directly to your S3 bucket for archival.

How It Works

  1. 1

    Create Your Invoice Template

    Design your invoice using HTML and CSS. Use your existing styles or start from scratch.

  2. 2

    Inject Dynamic Data

    Use your template engine (Handlebars, EJS, etc.) to insert customer details, line items, and totals.

  3. 3

    Call the API

    Send the rendered HTML to HTML2PDFAPI and receive a pixel-perfect PDF.

  4. 4

    Deliver to Customer

    Email the invoice, provide a download link, or store it in your S3 bucket.

Code Example: Generate an Invoice

// Node.js - Generate Invoice PDF
const response = await fetch('https://html2pdfapi.com/render', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    html: invoiceHtml,
    format: 'pdf',
    options: {
      format: 'A4',
      margin: { top: '20mm', bottom: '20mm', left: '15mm', right: '15mm' },
      printBackground: true
    }
  })
});

const pdfBuffer = await response.arrayBuffer();

Invoice PDF Features

  • Custom branding and logos
  • Dynamic data insertion
  • Multi-page invoice support
  • Direct S3 storage
  • Batch processing
  • Custom page sizes (A4, Letter, etc.)
  • Headers and footers
  • Page numbers

Who Uses HTML2PDFAPI for Invoices?

E-commerce

Generate order invoices automatically after each purchase.

SaaS Billing

Create monthly subscription invoices with usage details.

Freelancers

Automate professional invoice generation for clients.

Explore More Use Cases

Start Integrating

Node.js Python PHP Ruby Go

Automate your invoice workflow

From template to PDF in one API call. Try it free.