API Program (AWS) -- Do INSTAGRAM uses AWS API?

Question

I'm mirroring about this, My prob is that how sign in using email & password using aws or other APIs? Believe it i need API for following and adding version for every data of the web app by user. Thanks

Answer 1

Yes! You can use AWS Cognito or Firebase Auth to sign in with email & password.
• For data versioning, store user data with version numbers in a DB (like Firestore or DynamoDB).
• For follow system, use an array of followed user IDs per user.

These features need a backend or cloud services — not possible in Code Playground alone.