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Compute Fees (fee split)

POST 
/feeSplits/computeFees

Computes payer fee estimates for a single payment rail (feeType) using the merchant's default fee setting plan for that rail.

Returns one rail's breakdown with payerTotalFees and merchantTotalFees — payer-side / absorb split, not merchant processing fees from GET /fees.

Request body accepts feeType, subtotal, and currency only — it does not accept payerId, invoiceId, or feeSettingPlanId. Use Split Fees when you need payer, receivable, or plan context.

Valid feeType values include: cardPayment.posted, debitCardPayment.posted, networkBankPayment.posted, achBankPayment.posted, wirePayment.posted, achPushPayment.posted, and related posted types.

Auth: Merchant API credentials (Authorization: Bearer + X-CUSTOMER-ID).

Request​

Responses​

Computed fee split for one rail