Add Text to PDFs with a Simple API
Easily add and map fields to your PDF documents. Use our API to dynamically add text to your templates.

Simple & Powerful
Everything you need to add text to PDFs programmatically
PDF Field Mapping
Create and map fields to your PDF documents with our intuitive editor. Position text exactly where you need it.
Simple API
Use our straightforward API to add text to your PDF templates. Just a few lines of code to integrate.
API Key Management
Create and manage API keys for your applications. Control access to your PDF processing capabilities.
Template Storage
Store your PDF templates and reuse them whenever needed. Create multiple versions for different use cases.
File Management
Track your files with our file management system. Regenerate deleted files within the retention period.
Secure Processing
Your documents and data are processed securely. Files are automatically deleted after the retention period.
How It Works
Get started in minutes with our simple process
Upload Your PDF
Upload your PDF document to our platform and create a template.
Map Fields
Use our editor to add and position text fields where you want them on your PDF.
Use the API
Call our API with your data to generate PDFs with your text automatically inserted.
API Dashboard Overview
Our API dashboard gives you real-time insights into your account: subscription, usage, files, and recent requests—all in one place.
- View subscription plan and credit usage
- Track recent API requests and statuses
- Manage and regenerate your files
- Search and filter your files easily
- Browse templates and API keys

File Retention Policy
Understanding how we manage your files
Files are automatically deleted after 24 hours. Deleted files can be regenerated for another 24 hours, after which they will be permanently deleted.
Active Files
Available for 24 hours from creation
Deleted Files
Can be regenerated for 24 hours after deletion
Permanent Deletion
Files are permanently deleted after 48 hours
Simple, Transparent Pricing
Choose the plan that fits your needs
Free
For testing and small projects
- 100 API calls per month
- 1 template
- 1 API key
- Basic support
- Easy to use EDITOR
Pro
For small businesses
- 1,000 API calls per month
- 5 templates
- 3 API keys
- Email support
- $0.008/request
Plus
For growing businesses
- 10,000 API calls per month
- 15 templates
- 7 API keys
- Priority support
- $0.0025/request
Enterprise
For large organizations
- Unlimited API calls
- Unlimited templates
- Unlimited API keys
- Self-hosted option
- Dedicated support
Simple API Integration
Just a few lines of code to add text to your PDFs
// Example API call to fill a PDF template
const response = await fetch('https://api.pdfhub.com/v1/prefill', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer YOUR_API_KEY'
},
body: JSON.stringify({
templateId: 'template_123',
fields: {
name: 'John Doe',
email: 'john@example.com',
amount: '$1,250.00',
date: '05/18/2025'
}
})
});
const result = await response.json();
console.log('Generated PDF URL:', result.pdfUrl);
Easy to Integrate
Our API is designed to be simple and straightforward. Just send your data and we'll return a filled PDF document.
- RESTful API with JSON requests
- Secure authentication with API keys
- Detailed documentation with examples
- SDKs for popular programming languages
- Webhook support for asynchronous processing
Ready to Simplify Your PDF Workflows?
Start adding text to your PDFs programmatically today.