heyPDF Developer Platform

Integrate PDF processing in minutes

Connect our robust cloud-based PDF conversion, merge, split, and compression engines directly into your applications using our simple REST API.

Engineered for Developers

Reliable, secure, and lightning-fast document utilities ready to scale with your traffic.

Ultra-Fast Execution

Our document compilation pipelines execute in parallel on high-frequency server instances. Most standard operations resolve in under 2 seconds.

Zero-Retention Vault

Maintain data compliance. Uploaded data is secured via SSL in transit, processed on sandbox runners, and immediately deleted post-execution.

Clean REST Architecture

No complex schemas or proprietary protocols. Send standard multipart form uploads or json-payload URLs and receive standard output streams.

Simple Three-Step Integration

Go from registration to your first API request in less than 5 minutes.

1. Obtain API Key

Generate a secure API token instantly from your developer settings console to authenticate requests.

2. Trigger Endpoints

Post files or source URLs to our high-performance endpoints like /api/merge or /api/compress.

3. Catch Webhooks

Receive real-time webhooks or poll file processing status to stream output files back to your storage.

Supported Workflows

Use heyPDF API to handle complex office documents operations inside your app.

Bulk invoicing assembly and merge
Automated contracts PDF compression
User-submitted PDF page reordering
HTML invoice generation to PDF files
Dynamic watermark stamps placement
Automatic R2 files archiving conversion