Steps to build extension-only offsite payment app

[mropanen]

Linking my findings here too:

Payments App Shows "Install" Despite Successful paymentsAppConfigure

I found that the services/payments_partners/{token}/settings page is cached in the browser; in Chrome: dev tools → Application → Storage → IndexedDB → apollo-caches → cache Removing the cache entry manually solves the problem, but obviously this shouldn’t be necessary.