Creating Bills
Use POST /bills to submit a fictional bill for a merchant customer.
Required fields:
externalCustomerIdamountCentscurrencydueAtdescriptionidempotencyKey
Money values are integer cents. The sandbox currently supports AUD.
Idempotency
If the same idempotencyKey and matching payload are submitted again, the API returns the existing bill with idempotent: true.
If the same key is reused with a different payload, the API returns 409.