Generate Certificate PDFs from REST API Automatically
Send data via REST API and receive certificates programmatically
Get Started FreeThe Problem
Building certificate generation into your REST API-powered app requires significant development time. You need rendering, formatting, PDF generation...
How It Works
Design Your Template
Use our drag-and-drop editor to create your certificate layout with text, charts, tables, and your branding.
Configure REST API
Get your API endpoint and authentication. Send data as JSON to generate documents.
Auto-Generate Certificates
Every data update creates a personalized certificate pdf automatically. No manual work required.
Popular Use Cases
Course Completion
Issue certificates when courses are finished
Event Attendance
Generate certificates for workshop participants
Achievement Awards
Create award certificates automatically
What You Can Do
- Design templates with drag-and-drop editor
- Add charts, tables, and images
- Use conditional logic to show/hide sections
- Include your logo and brand colors
- Generate certificates in under 2 seconds
- Download or share via link
- Use formulas for calculations
- Support for multiple pages
Frequently Asked Questions
How do I connect REST API to Diro?
Use Diro's REST API. Send a POST request with your template ID and data. Get back a certificate URL instantly.
How fast are certificates generated?
Most certificates are generated in under 2 seconds. Complex documents with many charts may take up to 5 seconds.
Can I customize the certificate design?
Yes! Add your logo, brand colors, custom fonts, charts, tables, and more. The visual editor gives you full control over the design.
How many certificates can I generate?
Free plan includes 50 certificates per month. Pro plan offers 500, and Enterprise has custom limits for high-volume needs.