CircleHD offers a full-featured video-on-demand platform for developers and content teams building video applications. The service provides an easy API call to upload a video and get an embeddable video, handling encoding, storage, and delivery in the background. It optimizes the right format and bitrate for every device and network connection, supporting features like thumbnail generation, multiple bitrate encoding, watermarking, VR/360 encoding, subtitles and captions, and more.