{"name":"H&D 产品数据开放API","version":"v1","docs_url":"/api-docs","endpoints":{"GET /api/v1/products":"产品列表（分页/增量 updated_after/筛选）","GET /api/v1/products/{code}":"产品详情（按货号）","GET /api/v1/products/search?q=":"产品搜索（关键词/CAS/分子式）","GET /api/v1/export?format=json|csv|chemicalbook":"全量导出（含结构式地址）","POST /api/v1/products":"产品批量上行同步（需 API Key，可同步其他平台产品入库）","POST /api/v1/rfq":"询价单提交（官网表单使用）"},"auth":"上行接口需 X-API-Key 请求头（后台同步中心签发）；Key持有者写入不限流、查询600次/分钟；匿名只读120次/分钟","fields":["code","name_cn","name_en","synonyms","cas","formula","mw","category","series","status","in_stock","structure_url","description","ai_summary","description_en","ai_summary_en","tags","updated_at","source"]}