Copy the code, paste it into your page, and replace video.mp4 with your marketing video URL. This path adds on-video overlays—not visitor-recorded reaction videos.
Zero configuration. No init() or config required. The SDK detects the element, attaches a default overlay, captures overlay events, and connects to the analytics backend.
Recording reaction videos and threads? Use ReactifySDK quickstart.
ReactionSDK (overlays)
Add the script and reaction-video. Enable tap, poll, rating, slider, and CTA via the overlays attribute—not camera reaction capture.
Next: Get your API key from the dashboard to send events to ReactionSaaS.