Stripe API errorStripe: amount below the minimum charge (amount_too_small)

Why the amount is too small, and the fix

1. 01

   Dollars were sent instead of cents

   “For example, enter 1099 to charge 10.99 USD (or any other two-decimal currency).” Stripe, Currencies (amounts in minor units)

   Stripe reads amount in the smallest unit of the currency. A price of 20 stored in dollars and passed straight through becomes 20 cents. Multiply by 100 and round for two-decimal currencies, and keep zero-decimal currencies like JPY as they are. ISK and UGX are exceptions: Stripe still wants them as two-decimal values ending in 00.

   const amount = Math.round(priceInDollars * 100); // 20 -> 2000
   await stripe.paymentIntents.create({ amount, currency: 'usd' });

2. 02

   The price really is below the minimum

   “Stripe enforces a minimum payment amount for all charges to make sure the Stripe fee doesn’t exceed your charge.” Stripe, Currencies (Minimum and maximum charge amounts)

   Tips, micro-payments and small top-ups under the minimum fail. Set the smallest amount your app allows at or above it, or collect several small items and charge them together.

3. 03

   A discount pushes the total under the minimum

   “However, any non-zero amount is still subject to the applicable minimum.” Stripe, Currencies (Minimum and maximum charge amounts)

   A coupon that leaves a few cents to pay fails, because the remaining amount is still subject to the minimum. Subscriptions accept a zero amount for trials and coupons. Make discounts either cover the whole amount or leave at least the minimum.

4. 04

   Conversion to your settlement currency

   “Charges requiring conversion into your account’s default settlement currency must meet the equivalent minimum of the settlement currency.” Stripe, Currencies (Minimum and maximum charge amounts)

   A charge in a currency you do not settle in is converted first, and the converted amount must meet your settlement currency’s minimum. A small charge in one currency can fail after conversion.

Checked against the vendor’s docs on November 8, 2026: Stripe docs: Error codes; Stripe docs: Currencies (minimum charge amounts).

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Related: Stripe “Invalid integer” · Stripe “No such price” · Stripe insufficient funds · Stripe “No such PaymentMethod”