Generate captions for short-form videos using the ReelWords (reelwords.ai) Caption API. Use when a user asks to create caption jobs, render stylized subtitles for Reels/TikTok/Shorts, poll caption-job status, or download the rendered captioned video via the ReelWords REST API endpoints (/api/v1/caption-jobs) using an x-api-key (rw_...).

使用 ReelWords（reelwords.ai）字幕 API 为短视频生成字幕。当用户需要创建字幕任务、渲染适用于 Reels/TikTok/Shorts 的风格化字幕、查询字幕任务状态或通过 ReelWords REST API 端点（/api/v1/caption-jobs）下载已渲染的带字幕视频时使用，需提供 x-api-key（rw_...）进行认证