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Usage rules of the Amount object

Currency-related data fields exist for both APIs and reconciliation reports. One of them is the amount object that is used by a lot of fields. The amount field has the sub-fields currency and value:

Field

Description

currency

MANDATORY String (3)
The 3-letter currency code that follows the ISO 4217 standard.

value

MANDATORY String (16)

The amount to charge as a positive integer in the smallest currency unit. For example, $1.00 should be charged as 100 cents to charge USD 1.00, or 100 to charge JPY 100, a zero-decimal currency.

Table 1. Sub-fields of the amount object

When using the amount object, you need to follow the usage rules to avoid problems.

Smallest unit of the currency

The actual value in the value field of the amount field is represented in the smallest unit of the currency.Antom follows the ISO 4217 standard for the definition of the smallest unit of a currency. For example:

Currency Code

Smallest Unit (Number of the Digits after Decimal)

Value in the Amount

USD

cent (2)

1.00 USD needs to be set as "value:100"

PHP

cent (2)

1.00 PHP needs to be set as "value:100"

IDR

cent (2)

1.00 IDR needs to be set as "value:100"

KRW

yuan (0)

1 KRW needs to be set as "value:1"

THB

cent (2)

1.00 THB needs to be set as "value: 100"

HKD

cent (2)

1.00 HKD needs to be set as "value: 100"

MYR

cent (2)

1.00 MYR needs to be set as "value: 100"

CNY

cent (2)

1.00 CNY needs to be set as "value: 100"

BDT

cent (2)

1.00 BDT needs to be set as "value: 100"

PKR

cent (2)

1.00 PKR needs to be set as "value: 100"

TWD

cent (2)

1.00 TWD needs to be set as "value: 100"

Table 2. Currency smallest units

Minimum amount rules

For the paymentAmount or refundAmount field, the minimum amount allowed varies for each wallet. The following table shows the details about the minimum payment amount and minimum refund amount of each wallet:

Wallet

Minimum payment amount

Minimum refund amount

TrueMoney

1 THB

1 THB

AlipayHK

0.01 HKD0.01 HKD
Touch'n Go eWallet0.05 MYR0.05 MYR

GCash

1 PHP

1 PHP

DANA

300 IDR

300 IDR

Kakao Pay

50 KRW

50 KRW

JKOPay

1 TWD

1 TWD