PDF Processing API — REST Endpoints for Every PDF Task
Simple REST API for PDF processing: compress, merge, split, convert, OCR, AI summarize. SDKs for Python, JavaScript, PHP, Ruby, Go. Start free.
Key Features
- RESTful endpoints for 40+ PDF operations
- SDKs for Node.js, Python, PHP, and Ruby
- Webhook support for async large-file jobs
- Per-endpoint rate limits with burst allowance
- JWT-secured authentication
- OpenAPI 3.0 specification included
- Sandbox environment for testing
- SLA-backed uptime for paid plans
About API
The PDF AI Tools REST API gives developers programmatic access to every tool on the platform — compress, merge, split, convert, OCR, redact, sign, watermark, and more — via simple HTTPS endpoints. Integrate PDF processing into your app without running your own infrastructure.
Unlike cloud-heavy competitors, our API processes files server-side with enterprise-grade security, returns results in seconds, and offers a generous free tier so you can prototype before you pay.
Who Uses This Tool
- Automate PDF generation in a SaaS product
- Compress user-uploaded PDFs before storing in S3
- Extract text from scanned invoices in a finance workflow
- Add watermarks to documents before emailing to clients
How to Use PDF Processing API — REST Endpoints for Every PDF Task
- Step 1: Sign up for a free API key
- Step 2: Read the OpenAPI spec or SDK quickstart
- Step 3: Make your first test call in the sandbox
- Step 4: Switch to production and monitor usage in your dashboard
Frequently Asked Questions
Is there a free tier?
Yes — 500 API calls per month free, no credit card required.
What file size limit applies?
Up to 50 MB per file on the free tier; 200 MB on paid plans.
Do you support webhooks for async processing?
Yes — register a webhook URL and we POST the result when processing completes.
Is the API SOC 2 compliant?
Our infrastructure is SOC 2 Type II certified; see the security page for details.