Generate Professional Invoices via API

Automate invoice generation for your business. Create branded, professional invoices with dynamic data and deliver them instantly to your customers.

  • Branded invoices with your logo and colors
  • Automatic numbering and date formatting
  • Multi-currency and tax calculation support
Get Started for Free

100 free PDFs/month. No credit card required.

How it works

Generate invoices programmatically in three simple steps.

1

Design your invoice template

Use our visual editor to create your invoice layout. Add dynamic variables like {{invoice_number}}, {{customer_name}}, and {{line_items}}.

2

Call the API with your data

Send a POST request with your invoice data — customer details, line items, totals, and any custom fields.

3

Get your PDF invoice

Receive a download URL for your generated invoice PDF in 1-3 seconds. Send it directly to your customer.

Built for invoice automation

Everything you need to generate professional invoices at scale.

Dynamic Data

Pass customer details, line items, totals, taxes, and any custom data to populate your invoice template.

Easy Integration

REST API works with any language or platform. Integrate with Zapier, Make, n8n, or call directly from your backend.

Full Customization

Design pixel-perfect invoices with your branding. Control fonts, colors, layout, and every detail.

Invoice generation for every business

See how teams across industries use TemplateFox to automate their invoicing workflows.

E-commerce Orders

Automatically generate invoices for every order placed on your online store.

SaaS Subscriptions

Create recurring invoices for monthly or annual subscription payments.

Freelancer Billing

Generate professional invoices for clients with itemized hours and project details.

Agency Clients

Create branded invoices for multiple clients with different billing details and currencies.

Recurring Invoices

Automate monthly, weekly, or custom-interval invoice generation for repeat billing.

Overdue Reminders

Generate and send updated invoices with overdue notices and late fees applied.

Simple API integration

Generate an invoice PDF with a single API call.

fetch("https://api.pdftemplateapi.com/v1/render", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "X-API-Key": "YOUR_API_KEY"
  },
  body: JSON.stringify({
    template_id: "your-invoice-template-id",
    data: {
      invoice_number: "INV-2025-001",
      customer_name: "Acme Corp",
      date: "2025-01-15",
      due_date: "2025-02-15",
      line_items: [
        { description: "Web Development", quantity: 40, unit_price: 150 },
        { description: "Design Services", quantity: 10, unit_price: 120 }
      ],
      subtotal: "$7,200.00",
      tax: "$648.00",
      total: "$7,848.00"
    }
  })
})

Frequently asked questions

How much does it cost to generate invoices?+

TemplateFox offers 100 free PDFs per month on the free plan. Paid plans start at $18/month for 1,000 PDFs. You only pay for successful generations.

Can I customize the invoice design?+

Yes. You have full control over the invoice layout, fonts, colors, and branding using our visual template editor. You can create multiple templates for different clients or use cases.

Can I generate invoices in bulk?+

Yes. You can call the API in a loop or use integrations like Zapier, Make, or n8n to generate hundreds of invoices from a spreadsheet or database in minutes.

What integrations are supported?+

TemplateFox works with Zapier (8,000+ apps), Make, n8n, Bubble, FlutterFlow, Airtable, and any platform that supports REST APIs. You can trigger invoice generation from Stripe, Shopify, QuickBooks, and more.

Automate your PDF generation

Complete documentation, no-code integrations, and a powerful API to help you generate PDFs at scale. Let us handle the boring stuff.