- HTML to PDF APIConvert HTML and URLs into PDFsExtract PDF Form Data APIEasily extract data from PDFsWatermark PDF APIAdd custom watermarks to PDFsProtect PDF APISecure your PDFs with passwordCompress PDF APIReduce file size without losing qualityFlatten PDF APIFlatten PDFs to make form permanentDigital Signature APISend documents for signing
- API DocumentationAPI DocumentationFull REST API referenceNodeJS SDKClient library for Node.jsJava SDKClient library for JavaC# SDKClient library for C#PHP SDKClient library for PHPPython SDKClient library for Python
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PDF API for Generating and Managing Documents
Add PDF functionality without building every feature from scratch. PDFGate helps you generate PDFs, work with forms, apply watermarks, secure documents, and prepare files for signing through one reliable REST API.
API Features
Explore the core API features available for building, automating, and managing document processes in one place.
HTML to PDF
Convert responsive HTML and URLs into high-quality PDFs that look exactly as intended. Perfect for invoices, reports, and any dynamically generated document.
Read more →Watermark PDFs
Add custom watermarks to your PDFs for branding, security, or confidentiality. Supports both text and image watermarks with full control over position and opacity.
Read more →Encrypt and Protect PDFs
Secure your PDFs with password protection and permission settings to prevent unauthorized access, editing, or printing.
Read more →Compress PDF
Reduce file size without losing quality, ensuring faster downloads and smoother document sharing.
Read more →Flatten PDF Forms
Flatten fillable PDFs to make form fields permanent and uneditable, ideal for finalized documents that need to remain unchanged.
Read more →Extract PDF Form Data
Easily extract user-submitted form data from PDFs in a structured format, ready for storage or further processing in your applications.
Read more →Digital Signature
Programmatically send documents for signing, track recipient status, and receive signed files with audit logs.
Read more →Webhooks
Receive real-time event notifications for document workflows. Webhooks currently power digital signature events, allowing you to track signing progress and final document completion.
Choose the integration style that fits your stack
Use PDFGate with your application, automation tools, or AI systems through SDKs, no-code platforms, and the MCP server.
REST API & SDKs
Add PDF capabilities directly to your application using the REST API or language-specific SDKs.
No-code platforms
Automate document tasks through supported platforms without building custom backend logic.
MCP server
Connect AI assistants and agent platforms to generate, process, and manage documents through natural-language instructions.
Start building with PDFGate today
Generate PDFs, send documents for signature, and automate your document workflows in minutes.
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