Blog
Engineering notes
Short posts on the parts of CanWeChat that are easy to get wrong.
2026-09-02
Why the widget is 10 KB and not a React app
Host pages should not download your dashboard. CanWeChat’s public widget is vanilla TypeScript in a shadow root.
2026-09-08
Webhooks without trusting the checkout redirect
Billing state comes from Dodo Payments events, not from a success URL. The same rule applies to Slack and Discord callbacks.