General
- What is the best practice for processing webhooks? What if a webhook fails?
- Can a payment intent be cancelled? Also, can a payment intent be usable after the associated payment has failed?
- When a payment initiation has been completed, what does the status “PENDING_WITH_BANK” specify?
- Updating Payment Destination
- How to prevent user pay for multiple times? (Idempotency)
- Is there an expiry period of Customer ID/Destination ID?