Conventions
- Timestamps are RFC 3339 with a UTC offset or
Z, for example2026-08-20T09:15:04+08:00. - Amounts are integers in minor units:
1250is MYR 12.50. - Identifiers your software creates, such as a transaction or event
id, are UUIDv7. - Never send full card numbers, track data, PINs or card verification codes. Transactions carry only the first six and last four digits of the card number.