diff --git a/mintlify/openapi.yaml b/mintlify/openapi.yaml
index 6fb35936..e85a8b58 100644
--- a/mintlify/openapi.yaml
+++ b/mintlify/openapi.yaml
@@ -2145,6 +2145,7 @@ paths:
                     accountId: ExternalAccount:e85dcbd6-dced-4ec4-b756-3c3a9ea3d965
                     paymentRail: ACH
                   amount: 12550
+                  remittanceInformation: '12345'
       responses:
         '201':
           description: Transfer-out request created successfully
@@ -16276,6 +16277,11 @@ components:
           format: int64
           description: Amount in the smallest unit of the currency (e.g., cents for USD/EUR, satoshis for BTC)
           example: 12550
+        remittanceInformation:
+          type: string
+          maxLength: 80
+          description: 'Free-form information about the payment that travels with it to the recipient. The field this populates depends on the payment rail: for ACH it populates the Addenda record, for FedNow and RTP it populates the remittanceInformation field, and for wires it populates the OBI (Originator to Beneficiary Information) / beneficiary information.'
+          example: '12345'
     CurrencyPreference:
       type: object
       required:
diff --git a/openapi.yaml b/openapi.yaml
index 6fb35936..e85a8b58 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -2145,6 +2145,7 @@ paths:
                     accountId: ExternalAccount:e85dcbd6-dced-4ec4-b756-3c3a9ea3d965
                     paymentRail: ACH
                   amount: 12550
+                  remittanceInformation: '12345'
       responses:
         '201':
           description: Transfer-out request created successfully
@@ -16276,6 +16277,11 @@ components:
           format: int64
           description: Amount in the smallest unit of the currency (e.g., cents for USD/EUR, satoshis for BTC)
           example: 12550
+        remittanceInformation:
+          type: string
+          maxLength: 80
+          description: 'Free-form information about the payment that travels with it to the recipient. The field this populates depends on the payment rail: for ACH it populates the Addenda record, for FedNow and RTP it populates the remittanceInformation field, and for wires it populates the OBI (Originator to Beneficiary Information) / beneficiary information.'
+          example: '12345'
     CurrencyPreference:
       type: object
       required:
diff --git a/openapi/components/schemas/transfers/TransferOutRequest.yaml b/openapi/components/schemas/transfers/TransferOutRequest.yaml
index c6906fde..1678b407 100644
--- a/openapi/components/schemas/transfers/TransferOutRequest.yaml
+++ b/openapi/components/schemas/transfers/TransferOutRequest.yaml
@@ -16,3 +16,13 @@ properties:
       Amount in the smallest unit of the currency (e.g., cents for USD/EUR,
       satoshis for BTC)
     example: 12550
+  remittanceInformation:
+    type: string
+    maxLength: 80
+    description: >-
+      Free-form information about the payment that travels with it to the
+      recipient. The field this populates depends on the payment rail: for ACH
+      it populates the Addenda record, for FedNow and RTP it populates the
+      remittanceInformation field, and for wires it populates the OBI
+      (Originator to Beneficiary Information) / beneficiary information.
+    example: '12345'
diff --git a/openapi/paths/transfers/transfer_out.yaml b/openapi/paths/transfers/transfer_out.yaml
index e0afde18..60b5b36c 100644
--- a/openapi/paths/transfers/transfer_out.yaml
+++ b/openapi/paths/transfers/transfer_out.yaml
@@ -33,6 +33,7 @@ post:
                 accountId: ExternalAccount:e85dcbd6-dced-4ec4-b756-3c3a9ea3d965
                 paymentRail: ACH
               amount: 12550
+              remittanceInformation: '12345'
   responses:
     '201':
       description: Transfer-out request created successfully