Generate Invoice PDFs from REST API Automatically
Send data via REST API and receive invoices programmatically
Get Started FreeThe Problem
Building invoice 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 invoice 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 Invoices
Every data update creates a personalized invoice pdf automatically. No manual work required.
Popular Use Cases
Client Billing
Generate invoices from order or project data
Recurring Invoices
Auto-create monthly invoices for subscriptions
Batch Invoicing
Generate invoices for all clients at once
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 invoices 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 invoice URL instantly.
How fast are invoices generated?
Most invoices are generated in under 2 seconds. Complex documents with many charts may take up to 5 seconds.
Can I customize the invoice 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 invoices can I generate?
Free plan includes 50 invoices per month. Pro plan offers 500, and Enterprise has custom limits for high-volume needs.
Does it calculate totals automatically?
Yes! Use Diro's formula system to calculate subtotals, taxes, discounts, and grand totals from your line item data.