dubinc · steven-tey · Oct 7, 2025 · Oct 2, 2025 · Oct 2, 2025 · Oct 2, 2025
diff --git a/apps/web/app/(ee)/api/cron/payouts/process/process-payouts.ts b/apps/web/app/(ee)/api/cron/payouts/process/process-payouts.ts
@@ -2,15 +2,16 @@ import { recordAuditLog } from "@/lib/api/audit-logs/record-audit-log";
 import { exceededLimitError } from "@/lib/api/errors";
 import {
   DIRECT_DEBIT_PAYMENT_METHOD_TYPES,
+  FAST_ACH_FEE_CENTS,
   FOREX_MARKUP_RATE,
 } from "@/lib/partners/constants";
 import {
   CUTOFF_PERIOD,
   CUTOFF_PERIOD_TYPES,
 } from "@/lib/partners/cutoff-period";
-import { calculatePayoutFeeForMethod } from "@/lib/payment-methods";
 import { stripe } from "@/lib/stripe";
 import { createFxQuote } from "@/lib/stripe/create-fx-quote";
+import { calculatePayoutFeeForMethod } from "@/lib/stripe/payment-methods";
 import { PlanProps } from "@/lib/types";
 import { sendBatchEmail } from "@dub/email";
 import { resend } from "@dub/email/resend";
@@ -130,8 +131,16 @@ export async function processPayouts({
     `Using payout fee of ${payoutFee} for payment method ${paymentMethod.type}`,
   );
 
+  let invoice = await prisma.invoice.findUniqueOrThrow({
+    where: {
+      id: invoiceId,
+    },
+  });
+
+  const fastAchFee =
+    invoice.paymentMethod === "ach_fast" ? FAST_ACH_FEE_CENTS : 0;
   const currency = paymentMethodToCurrency[paymentMethod.type] || "usd";
-  const totalFee = Math.round(payoutAmount * payoutFee);
+  const totalFee = Math.round(payoutAmount * payoutFee) + fastAchFee;
   const total = payoutAmount + totalFee;
   let convertedTotal = total;
 
@@ -161,7 +170,7 @@ export async function processPayouts({
   }
 
   // Update the invoice with the finalized payout amount, fee, and total
-  const invoice = await prisma.invoice.update({
+  invoice = await prisma.invoice.update({
     where: {
       id: invoiceId,
     },
@@ -177,6 +186,14 @@ export async function processPayouts({
     customer: workspace.stripeId!,
     payment_method_types: [paymentMethod.type],
     payment_method: paymentMethod.id,
+    ...(paymentMethod.type === "us_bank_account" && {
+      payment_method_options: {
+        us_bank_account: {
+          preferred_settlement_speed:
+            invoice.paymentMethod === "ach_fast" ? "fastest" : "standard",
+        },
+      },
+    }),
     currency,
     confirmation_method: "automatic",
     confirm: true,
@@ -249,6 +266,7 @@ export async function processPayouts({
               amount: payout.amount,
               startDate: payout.periodStart,
               endDate: payout.periodEnd,
+              paymentMethod: invoice.paymentMethod ?? "ach",
             },
           }),
         })),

diff --git a/apps/web/app/(ee)/app.dub.co/invoices/[invoiceId]/partner-payout-invoice.tsx b/apps/web/app/(ee)/app.dub.co/invoices/[invoiceId]/partner-payout-invoice.tsx
@@ -1,3 +1,4 @@
+import { FAST_ACH_FEE_CENTS } from "@/lib/partners/constants";
 import { stripe } from "@/lib/stripe";
 import { prisma } from "@dub/prisma";
 import {
@@ -134,15 +135,34 @@ export async function PartnerPayoutInvoice({
         })})`
       : "";
 
+  const fastAchFee =
+    invoice.paymentMethod === "ach_fast" ? FAST_ACH_FEE_CENTS : 0;
+
+  // guard against invalid invoice amounts
+  if (invoice.amount === 0) {
+    throw new Error("Invoice amount cannot be zero");
+  }
+  if (invoice.fee < fastAchFee) {
+    throw new Error("Invoice fee cannot be less than Fast ACH fee");
+  }
+
   const invoiceSummaryDetails = [
     {
       label: "Invoice amount",
       value: currencyFormatter(invoice.amount / 100),
     },
     {
-      label: `Platform fees (${Math.round((invoice.fee / invoice.amount) * 100)}%)`,
-      value: `${currencyFormatter(invoice.fee / 100)}`,
+      label: `Platform fees (${Math.round(((invoice.fee - fastAchFee) / invoice.amount) * 100)}%)`,
+      value: `${currencyFormatter((invoice.fee - fastAchFee) / 100)}`,
     },
+    ...(fastAchFee > 0
+      ? [
+          {
+            label: "Fast ACH fees",
+            value: currencyFormatter(fastAchFee / 100),
+          },
+        ]
+      : []),
     {
       label: "Invoice total",
       value: `${currencyFormatter(invoice.total / 100)}${nonUsdTransactionDisplay}`,

diff --git a/apps/web/app/(ee)/app.dub.co/invoices/[invoiceId]/route.tsx b/apps/web/app/(ee)/app.dub.co/invoices/[invoiceId]/route.tsx
@@ -36,7 +36,7 @@ export const GET = withSession(async ({ session, params }) => {
   if (!userInWorkspace) {
     throw new DubApiError({
       code: "unauthorized",
-      message: "You are not authorized to view this invoice",
+      message: "You are not authorized to view this invoice.",
     });
   }
 
@@ -61,7 +61,7 @@ export const GET = withSession(async ({ session, params }) => {
     });
   }
 
-  return new Response(pdf, {
+  return new Response(new Uint8Array(pdf), {
     headers: {
       "Content-Type": "application/pdf",
       "Content-Disposition": `inline; filename="Invoice-${invoice.number}.pdf"`,

diff --git a/apps/web/app/api/workspaces/[idOrSlug]/billing/invoices/route.ts b/apps/web/app/api/workspaces/[idOrSlug]/billing/invoices/route.ts
@@ -70,6 +70,7 @@ const otherInvoices = async ({
       total: true,
       createdAt: true,
       status: true,
+      paymentMethod: true,
       failedReason: true,
     },
     orderBy: {