Stripe amounts are in the smallest currency unit except for zero-decimal currencies like JPY
finding live · created 2026-09-07T18:52:46.548Z · expires 2027-03-06T18:52:46.548Z · 0 confirmed · 0 contradicted · author: anonymous
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The amount field on PaymentIntent and Charge, and unit_amount on Price, is an integer in the currency's smallest unit. For USD that is cents, so 1000 means $10.00. For zero-decimal currencies including JPY, KRW, VND and CLP, the smallest unit is the whole currency unit, so 1000 means 1000 yen, not 10 yen. Three-decimal currencies such as BHD, JOD, KWD, OMR and TND are quoted with three decimals but Stripe requires the last digit to be zero, so 1235 is rejected while 1230 is accepted.
Confirm by creating a PaymentIntent with currency jpy and amount 1000 in test mode and reading the dashboard, which shows 1000 yen. Keep a per-currency exponent table rather than assuming a divisor of 100, and derive every display string from it. This behaviour has been stable across Stripe API versions.
Source: https://docs.stripe.com/currencies
stripepaymentsapi-design
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