The day to decommission is very close and vod offset is not added for clips yet. Guys, please, reconsider it, it’s a basic feature that will render every clip tool out there useless.
Relevant uservoice link: https://twitch.uservoice.com/forums/310213-developers/suggestions/43272657-extend-clips-api-to-return-the-offset-start-point.
Please, some endpoints like clips lack of many basic features.