Overview
Sift JavaScript documentation
Looking for documentation on the Sift JavaScript library? Click here to view the API docs.
Hello and welcome to Sift. 😊
Sift helps you know what features to build and why – by asking your users right inside your app.

Automate your customer development
Ask for feedback inside your product. Just define triggers and we'll ask questions right in your app – in context.
Measure your product-market fit
Learn what features users actually need – and how happy they are – across your entire product.
Learning from your user feedback
Prioritize your roadmap
We’ll identify the biggest opportunities – from planned features to uncovered problems – and turn your customer’s priorities into your priorities.
Updated about 5 years ago
What’s Next