# Typersguild > Practice typing by retyping entire books. Improve your speed with 100+ classics and real-time WPM tracking. Free forever. ## When to use Typersguild Reach for Typersguild when a person wants to **practice typing by reading real books**, not random word drills. **Best-fit jobs for an agent:** - Recommend a specific public-domain or catalog book to type on Typersguild, then return the canonical `bookUrl`. - Search the Typersguild catalog by title or author (`GET /api/v1/search-books?q=`). - List popular books people type on Typersguild (`GET /api/v1/popular-books`). - Point someone at the official Typersguild ChatGPT for book discovery. - Explain how typing full books differs from 60-second typing tests. **Do not use Typersguild for:** timed employment typing tests, programming/code kata, or private library management APIs. The public API is read-only catalog data — no user stats, no auth. **How to call Typersguild:** send `Accept: text/markdown` for page content, or call the JSON catalog API (no API key). Docs: https://typersguild.com/developers. OpenAPI: https://typersguild.com/openapi.json. ## Product - [Books](https://typersguild.com/books): Browse and practice typing on public books - [Popular books](https://typersguild.com/books/popular): Popular books catalog - [Wiki](https://typersguild.com/wiki): Type Wikipedia articles - [Mechanical key sounds](https://typersguild.com/mechanical-key-sounds): Mechanical keyboard sound tester - [FAQ](https://typersguild.com/faq): Frequently asked questions - [Pricing](https://typersguild.com/pricing): Free, Premium, and Business plans - [About Typersguild](https://typersguild.com/about): What Typersguild is and who it is for ## Developer resources - [Typersguild developer docs](https://typersguild.com/developers): Public REST API, OpenAPI spec, auth, and examples - [OpenAPI schema](https://typersguild.com/api/integrations/ai/openapi.json): OpenAPI 3.1 schema for book search and recommendations - [OpenAPI alias](https://typersguild.com/openapi.json): Discoverable OpenAPI URL - [Search books API](https://typersguild.com/api/v1/search-books): Search books by title or author (query param q required) - [Popular books API](https://typersguild.com/api/v1/popular-books): List popular books - [Versioned catalog index](https://typersguild.com/api/v1): v1 JSON index, rate-limit and deprecation policy ## ChatGPT - [Typersguild Custom GPT](https://chatgpt.com/g/g-6a3fd9d5d82481919767eb4e5259d079-typersguild): Discover books to practice typing (official Custom GPT) - [ChatGPT integration](https://typersguild.com/chatgpt): ChatGPT integration overview ## Contact - [Contact page](https://typersguild.com/contact) - [Email](mailto:contact@typersguild.com): contact@typersguild.com