I can't see an option to enable Point-in-Time backups for DynamoDB (using aws-sdk, more specifically, JavaScript).
Is there a way to to this programatically? Or is this a manual process only?
https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_CreateTable.html
You have to use UpdateContinuousBackups API call. For JavaScript it is updateContinuousBackups, while for AWS CLI it is update-continuous-backups.
The call: