# HookPDF API Documentation > Official API documentation for HookPDF — the developer-grade PDF generation API. Learn how to create HTML templates, render PDFs via REST API, and automate document workflows. ## Docs - [Introduction](https://docs.hookpdf.com/api-reference/introduction.md): Welcome to the online API documentation for HOOKPDF. - [Quick Start](https://docs.hookpdf.com/api-reference/quickstart.md): Get started with HOOKPDF in 4 simple steps. - [Render PDF](https://docs.hookpdf.com/api-reference/render/post.md) - [Render PDF Preview](https://docs.hookpdf.com/api-reference/render/preview.md) - [Get Report](https://docs.hookpdf.com/api-reference/reports/get-id.md) - [Node.js SDK](https://docs.hookpdf.com/sdk/introduction.md): Install and use the HookPDF Node.js SDK to render PDFs and track jobs. - [SDK reference](https://docs.hookpdf.com/sdk/reference.md): Complete API reference for the HookPDF Node.js SDK. ## OpenAPI Specs - [openapi](https://docs.hookpdf.com/openapi.yaml)