Personally I’d focus on a clean search and category system, reliable
streaming quality, subtitles, watchlists, and minimal ads. A good free
app should also show clear information about each movie or show before
you start watching. Privacy and legitim...
For a recurring SaaS setup, I’d keep the card data out of your
application and use Cybersource’s tokenization facilities, then store
only the token and subscription metadata on your side. For webhooks,
verify the request signature, make handlers idem...