Should I use widget or React?
Use the widget for the fastest drop-in setup on any site; use the React component when you want native control over layout and state inside a React app.
What is the difference between public and secret keys?
Public widget keys are safe to expose in client-side code and are scoped to a domain. Secret server keys grant full API access and must stay server-side.
Can I test in sandbox first?
Yes — every environment has a sandbox with its own keys and usage, fully isolated from production.