Use Case • PDF API Automation

Invoice PDF API

Generate professional invoices in seconds using your own template via PDF API or no-code workflows.

Use your own templates. Map fields once. Generate PDFs instantly via the PrefillPDF PDF API.

Last updated·Dec 30, 2025Created·Oct 20, 2025

Why choose PrefillPDF for Invoice PDF API?

Consistent Branding

Ensure every invoice matches your brand guidelines.

Faster Processing

Generate hundreds of invoices in minutes.

Error-Free

Pull customer data directly to avoid manual mistakes.

Secure Delivery

PrefillPDF never stores your customer data.

Scalable

Handle thousands of invoice PDFs with automation.

How it works with the PDF API

  1. 1Upload your invoice template once.
  2. 2Map fields like name, amount, and due date.
  3. 3Send invoice data via PDF API or a no-code trigger.
  4. 4Get a ready-to-send invoice PDF instantly.

Invoice PDF API in action

Recurring Billing

Automate monthly invoice PDFs for subscriptions.

On-Demand Invoices

Generate single invoice PDFs instantly when needed.

Multi-Currency Invoices

Prefill invoices in different currencies automatically.

Bulk Invoicing

Generate hundreds of invoice PDFs with one workflow.

Client-Specific Branding

Customize invoice PDFs for brands or branches.

Benefits of using the PDF API

Save admin time

Maintain branding

Reduce errors

Ensure security

Scale effortlessly

Related use cases

FAQ

Can I use my own invoice design?

Yes. Upload your invoice template and map its fields for the PDF API or no-code connectors.

Do you store invoices?

No. PrefillPDF generates and streams invoice PDFs back instantly without saving customer data.

Can invoices include tables of items?

Yes. You can map dynamic tables for line items (products, quantities, prices, totals).

Can I automate sending invoices?

Yes. Trigger invoice generation from your billing system or tools like Zapier, Make, or n8n.

Do you support different languages?

Yes. You can prefill invoice PDFs in any language your template supports.

Start generating invoice PDFs via PDF API

Upload your invoice template, map fields once, and automate invoice PDFs with a fast, secure PDF API.