Developer API

Integrate PDF processing into your applications with simple REST endpoints. Convert, merge, compress, OCR, and more.

Coming Soon — API access requires a Pro plan

Quick Start

The LittlePDF API allows you to programmatically process PDF files. All endpoints accept multipart form data and return the processed file directly.

Base URL

https://api.littlepdf.com/v1

Code Examples

curl -X POST https://api.littlepdf.com/v1/merge \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: multipart/form-data" \
  -F "files[]=@document1.pdf" \
  -F "files[]=@document2.pdf" \
  -o merged.pdf

Secure

All requests use HTTPS. Files are auto-deleted within 60 minutes.

Fast

Optimized processing pipeline. Most operations complete in under 5 seconds.

Simple

RESTful design. Send files, get results. No complex workflows.