Register a new POS terminal device for transaction processing.
The API token for login provided by UQPay.
The API client id generated by UQPAY
A unique identifier (UUID) used to maintain operation idempotency, ensuring that repeated executions of the same operation do not result in unintended effects or duplication. It helps preserve data consistency in the face of network errors, retries, or failures.
Specifies the sub-account on whose behalf the request is made. This should be set to the account_id, which can be retrieved via the List Connected Accounts. If omitted or empty, the request is executed using the master account.
More information at Connected Accounts.