Developer Documentation
Everything you need to integrate professional-grade PDF processing into your applications. Built for speed, security, and developer happiness.
Quickstart
Learn how to process your first PDF document in less than 5 minutes using our simple API.
API Reference
Detailed technical documentation for all our endpoints including Merge, Split, and Compress.
Core Infrastructure
Edge Runtime
Processing happens near your users for sub-second latency.
Zero-Trust Security
Files never touch local storage. Encryption at rest and in transit.
Intuitive API
Clean REST endpoints with consistent parameters and clear errors.
Global Scale
Built on high-performance infrastructure that scales with your traffic.
Authentication
All API requests must be authenticated using a secret API key. You can generate and manage multiple keys in your Developer Dashboard.
curl -X POST https://api.pdftheory.com/v1/compress \
-H "x-api-key: YOUR_API_KEY" \
-F "file=@/path/to/document.pdf"Explore the API
Ready to start building? Head over to the API Referenceto see our complete set of PDF processing endpoints.