# OpenAPI and Markdown Download the API definition, a page index for AI assistants and the Markdown of every page. The documentation also comes in machine-readable forms, for generating client code or handing to an AI assistant. ## API definition [api-openapi.json](./api-openapi.json) is the API definition in OpenAPI 3.1. It holds only the customer endpoints and the callback events and can be imported into API tools or code generators. ## llms.txt [api-llms.txt](./api-llms.txt) lists the Markdown address and a one-line summary of every English page, as an entry point for AI assistants. ## Markdown - Every page has Copy Markdown and View Markdown at the top, with the same content as the page. - The whole Chinese documentation in one file: [api-docs.md](./api-docs.md). - The whole English documentation in one file: [api-docs-en.md](./api-docs-en.md). ## Next steps - [Quickstart](./api-docs-en-quickstart.md): Generate your first video in three steps: create an API key, submit a task, get the result. - [API overview](./api-docs-en-api.md): Base URL, authentication, errors and every endpoint.