High-Fidelity HTML to PDF API for Developers
Generate PDFs from HTML templates through a REST API with dynamic variables and API access.
The Complete HTML to PDF API Solution
Everything you need for scalable document automation. High-fidelity PDF generation, dynamic templates, and a developer-friendly REST API for invoices, reports, and contracts.
HTML Templates
Generate PDFs from HTML templates with the data your application provides.
Template Variables
Pass variables with each request to generate documents from reusable templates.
Monthly Quotas
Each plan includes a monthly PDF generation quota that resets at 00:00 UTC on the first day of the month.
Developer Experience
Use the REST API, documentation, and API keys to integrate PDF generation into your application.
Scalable Document Automation Use Cases
Our PDF generation API powers automated document workflows across industries—from invoice PDFs and reports to legal contracts and certificates.
Invoice PDF API
Automate invoice generation with dynamic line items, tax calculations, and customer details. Our PDF reporting API is perfect for e-commerce, SaaS billing, and accounting systems.
Certificate Generation
Create high-fidelity certificates for course completions, achievements, and credentials. Dynamic document generation with personalized recipient data.
Receipt Automation
Server-side PDF generation for every transaction. Integrate with payment gateways to automatically send branded receipts via our document API.
API for Legal Contracts
Streamline contract creation with reusable HTML templates. Populate party details, terms, and clauses dynamically for NDAs, service agreements, and legal documents.
PDF Reporting API
Automate report generation from your data. Create weekly summaries, compliance reports, or client dashboards with our scalable document automation API.
Automated Notifications
Send personalized letters at scale. From appointment confirmations to policy updates, maintain professional communication with templated PDF documents.
Event Tickets & Badges
Generate tickets with unique QR codes for event check-in, access control, and attendee tracking. Perfect for conferences, concerts, and corporate events.
Data Visualization Reports
Create professional reports with embedded Chart.js graphs. Weekly dashboards, analytics summaries, and financial reports with dynamic visualizations.
Start Your Document Automation Today
Generate PDFs from your HTML templates with dynamic variables through the PDF-Sign API.
Need a custom solution? Contact our sales team