Castr — independent third-party profile of a public API surface, by API Evangelist. Castr is a live video streaming and multistreaming platform with video hosting (VOD), that lets you ingest a single RTMP/SRT source and restream it to multiple destinations, record and clip live streams, host and deliver on-demand video, run ultra-low-latency sub-se
webhooks video analytics webrtc vod live-streaming multistreaming video-hosting apis-json restreaming sub-second-streaming
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Updated
Sep 4, 2026