# H3Hub API Documentation H3Hub is an AI video generation platform. This documentation is for external developers building automation workflows and for AI coding agents. Base URL: https://api.h3hub.cn OpenAPI: https://docs.h3hub.cn/openapi.public.json ## Core Docs (Raw Markdown) - https://docs.h3hub.cn/raw/en/overview.md - https://docs.h3hub.cn/raw/en/auth.md - https://docs.h3hub.cn/raw/en/video/generate.md - https://docs.h3hub.cn/raw/en/video/tasks.md - https://docs.h3hub.cn/raw/en/video/results.md - https://docs.h3hub.cn/raw/en/video/enhance.md - https://docs.h3hub.cn/raw/en/works/publish.md - https://docs.h3hub.cn/raw/en/works/browse.md - https://docs.h3hub.cn/raw/en/account/api-keys.md - https://docs.h3hub.cn/raw/en/account/billing.md - https://docs.h3hub.cn/raw/en/reference/errors.md - https://docs.h3hub.cn/raw/en/reference/agents.md Chinese versions are under https://docs.h3hub.cn/raw/zh/. ## Authentication Use `X-API-Key: h3k_...` for server-to-server calls. Browser apps use cookie sessions. ## Quick Start 1. Register: `POST /api/v1/auth/register` 2. Create API Key: `POST /api/v1/me/api-keys` 3. Submit video: `POST /api/v1/video/generate` 4. Poll task: `GET /api/v1/task/{task_id}` 5. Download: `GET /api/v1/result/{task_id}`