diff --git a/src/controllers/05-payment-controller.ts b/src/controllers/05-payment-controller.ts
index 36d433e..7856f1c 100644
--- a/src/controllers/05-payment-controller.ts
+++ b/src/controllers/05-payment-controller.ts
@@ -22,6 +22,9 @@ import {
   createPermCheck,
   createPermCondition,
 } from "../services/permission";
+import flowAccount from "../services/flowaccount";
+import HttpError from "../interfaces/http-error";
+import HttpStatus from "../interfaces/http-status";
 
 const MANAGE_ROLES = ["system", "head_of_admin", "admin", "head_of_accountant", "accountant"];
 
@@ -304,3 +307,46 @@ export class PaymentFileController extends Controller {
     return await deleteFile(fileLocation.quotation.payment(quotationId, paymentId, name));
   }
 }
+
+@Route("api/v1/payment/{paymentId}/flow-account")
+@Tags("Payment")
+export class FlowAccountController extends Controller {
+  @Get()
+  async getDocument(@Path() paymentId: string) {
+    const payment = await prisma.payment.findFirst({
+      where: {
+        id: paymentId,
+      },
+      include: { invoice: true },
+    });
+
+    if (!payment) throw notFoundError("Payment");
+    if (payment.paymentStatus !== PaymentStatus.PaymentSuccess)
+      throw new HttpError(
+        HttpStatus.PRECONDITION_FAILED,
+        "Payment not success",
+        "paymentNotSuccess",
+      );
+    if (!payment.invoice.flowAccountRecordId) {
+      const result = await flowAccount.issueInvoice(payment.invoice.id);
+      const documentId = result?.body?.data?.documentId;
+
+      await prisma.invoice.update({
+        where: { id: payment.invoice.id },
+        data: { flowAccountRecordId: documentId },
+      });
+
+      if (documentId) {
+        return flowAccount.getInvoiceDocument(documentId);
+      } else {
+        throw new HttpError(
+          HttpStatus.INTERNAL_SERVER_ERROR,
+          "Failed to issue invoice/receipt document.",
+          "InvoiceReceiptIssueFailed",
+        );
+      }
+    } else {
+      return flowAccount.getInvoiceDocument(payment.invoice.flowAccountRecordId);
+    }
+  }
+}