Invoice Generator API
Programmatic PDF Invoice Generation
Generate professional PDF invoices programmatically with our RESTful API. Perfect for integrating invoice generation into your applications.
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API Endpoint
https://yourdomain.com/api/generate-pdfGenerate and download PDF invoices
Features
High-Quality PDF Generation
Generate professional PDF invoices with pixel-perfect formatting using Puppeteer
Multi-language Support
Support for English, Chinese (Simplified & Traditional), Japanese, Korean, and Spanish
Multiple PDF Formats
Support for A4 and Letter page formats with customizable margins
Input Validation
Comprehensive validation of invoice data to ensure data integrity
Security & Rate Limiting
Built-in rate limiting and input sanitization for security
High Reliability
Robust error handling and automatic resource cleanup
Usage Example
Here's how to use the API to generate a PDF invoice:
// Using fetch API
const response = await fetch('https://yourdomain.com/api/generate-pdf', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
invoice: {
invoiceNumber: 'INV-001',
date: '2024-07-20',
dueDate: '2024-08-20',
currency: 'USD',
from: {
name: 'Your Company',
email: '[email protected]',
address1: '123 Business St',
city: 'Business City',
state: 'BC',
postalCode: '12345',
country: 'Country'
},
to: {
name: 'Client Name',
email: '[email protected]',
address1: '456 Client Ave',
city: 'Client City',
state: 'CC',
postalCode: '67890',
country: 'Country'
},
items: [{
id: '1',
description: 'Service Description',
quantity: 1,
rate: 100,
amount: 100
}],
subtotal: 100,
taxRate: 10,
tax: 10,
total: 110,
notes: 'Thank you for your business!',
terms: 'Payment due in 30 days'
},
options: {
locale: 'en',
pdfOptions: {
format: 'A4'
}
}
})
});
if (response.ok) {
const blob = await response.blob();
// Download the PDF
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = 'invoice.pdf';
a.click();
}Rate Limits
To ensure fair usage and system stability, the following rate limits apply:
Rate Limit Exceeded
If you exceed the rate limit, you'll receive a 429 status code. Please wait before making additional requests.
Frequently Asked Questions
Test API
Try the API with a sample request: