diff --git a/pms_api_rest/datamodels/pms_invoice.py b/pms_api_rest/datamodels/pms_invoice.py
index b0a65b770..db7de7b0a 100644
--- a/pms_api_rest/datamodels/pms_invoice.py
+++ b/pms_api_rest/datamodels/pms_invoice.py
@@ -20,3 +20,7 @@ class PmsAccountInvoiceInfo(Datamodel):
     narration = fields.String(required=False, allow_none=True)
     portalUrl = fields.String(required=False, allow_none=True)
     moveType = fields.String(required=False, allow_none=True)
+    isReversed = fields.Boolean(required=False, allow_none=True)
+    isDownPaymentInvoice = fields.Boolean(required=False, allow_none=True)
+    isSimplifiedInvoice = fields.Boolean(required=False, allow_none=True)
+    reversedEntryId = fields.Integer(required=False, allow_none=True)
diff --git a/pms_api_rest/datamodels/pms_transaction.py b/pms_api_rest/datamodels/pms_transaction.py
index 3d9da640d..ee5f356a0 100644
--- a/pms_api_rest/datamodels/pms_transaction.py
+++ b/pms_api_rest/datamodels/pms_transaction.py
@@ -13,7 +13,6 @@ class PmsTransactionSearchParam(Datamodel):
     dateEnd = fields.String(required=False, allow_none=True)
     transactionMethodId = fields.Integer(required=False, allow_none=True)
     transactionType = fields.String(required=False, allow_none=True)
-    # REVIEW: Fields to avoid?:
 
 
 class PmsTransactionsResults(Datamodel):
@@ -38,6 +37,7 @@ class PmsTransactionInfo(Datamodel):
     pmsPropertyId = fields.Integer(required=False, allow_none=True)
     createUid = fields.Integer(required=False, allow_none=True)
     transactionType = fields.String(required=False, allow_none=True)
+    isReconcilied = fields.Boolean(required=False, allow_none=True)
+    downPaymentInvoiceId = fields.Integer(required=False, allow_none=True)
     # REVIEW: Fields to avoid?:
     partnerName = fields.String(required=False, allow_none=True)
-    isReconcilied = fields.Boolean(required=False, allow_none=True)
diff --git a/pms_api_rest/services/pms_folio_service.py b/pms_api_rest/services/pms_folio_service.py
index f533c9779..72e7fad5c 100644
--- a/pms_api_rest/services/pms_folio_service.py
+++ b/pms_api_rest/services/pms_folio_service.py
@@ -214,9 +214,9 @@ class PmsFolioService(Component):
                             if payment.partner_id
                             else None,
                             reference=payment.ref if payment.ref else None,
-                            isReconcilied=(
-                                payment.reconciled_statements_count > 0
-                                or payment.reconciled_invoices_count > 0
+                            isReconcilied=(payment.reconciled_statements_count > 0),
+                            downPaymentInvoiceId=payment.reconciled_invoice_ids.filtered(
+                                lambda inv: inv._is_downpayment()
                             ),
                         )
                     )
@@ -606,6 +606,9 @@ class PmsFolioService(Component):
                             moveLines=move_lines if move_lines else None,
                             portalUrl=portal_url,
                             moveType=move.move_type,
+                            isReverse=move.payment_state == "reversed",
+                            isDownPaymentInvoice=move._is_downpayment(),
+                            isSimpleInvoice=move.journal_id.is_simplified_invoice,
                         )
                     )
         return invoices
diff --git a/pms_api_rest/services/pms_partner_service.py b/pms_api_rest/services/pms_partner_service.py
index c065c5a02..a43241df9 100644
--- a/pms_api_rest/services/pms_partner_service.py
+++ b/pms_api_rest/services/pms_partner_service.py
@@ -224,14 +224,29 @@ class PmsPartnerService(Component):
         PmsTransactiontInfo = self.env.datamodels["pms.transaction.info"]
         payments = []
         for payment in partnerPayments:
+            if payment.is_internal_transfer:
+                destination_journal_id = (
+                    payment.pms_api_counterpart_payment_id.journal_id.id
+                )
             payments.append(
                 PmsTransactiontInfo(
                     id=payment.id,
-                    amount=round(payment.amount, 2),
-                    journalId=payment.journal_id.id,
-                    date=payment.date.strftime("%d/%m/%Y"),
-                    reference=payment.ref,
-                    transactionType=payment.pms_api_transaction_type,
+                    name=payment.name if payment.name else None,
+                    amount=payment.amount,
+                    journalId=payment.journal_id.id if payment.journal_id else None,
+                    destinationJournalId=destination_journal_id or None,
+                    date=datetime.combine(
+                        payment.date, datetime.min.time()
+                    ).isoformat(),
+                    partnerId=payment.partner_id.id if payment.partner_id else None,
+                    partnerName=payment.partner_id.name if payment.partner_id else None,
+                    reference=payment.ref if payment.ref else None,
+                    createUid=payment.create_uid.id if payment.create_uid else None,
+                    transactionType=payment.pms_api_transaction_type or None,
+                    isReconcilied=(payment.reconciled_statements_count > 0),
+                    downPaymentInvoiceId=payment.reconciled_invoice_ids.filtered(
+                        lambda inv: inv._is_downpayment()
+                    ),
                 )
             )
         return payments
diff --git a/pms_api_rest/services/pms_transaction_service.py b/pms_api_rest/services/pms_transaction_service.py
index 6b872816f..3a4ac1e11 100644
--- a/pms_api_rest/services/pms_transaction_service.py
+++ b/pms_api_rest/services/pms_transaction_service.py
@@ -179,9 +179,9 @@ class PmsTransactionService(Component):
                     if transaction.create_uid
                     else None,
                     transactionType=transaction.pms_api_transaction_type or None,
-                    isReconcilied=(
-                        transaction.reconciled_statements_count > 0
-                        or transaction.reconciled_invoices_count > 0
+                    isReconcilied=(transaction.reconciled_statements_count > 0),
+                    downPaymentInvoiceId=transaction.reconciled_invoice_ids.filtered(
+                        lambda inv: inv._is_downpayment()
                     ),
                 )
             )
@@ -223,9 +223,9 @@ class PmsTransactionService(Component):
             reference=transaction.ref if transaction.ref else None,
             createUid=transaction.create_uid.id if transaction.create_uid else None,
             transactionType=transaction.pms_api_transaction_type or None,
-            isReconcilied=(
-                transaction.reconciled_statements_count > 0
-                or transaction.reconciled_invoices_count > 0
+            isReconcilied=(transaction.reconciled_statements_count > 0),
+            downPaymentInvoiceId=transaction.reconciled_invoice_ids.filtered(
+                lambda inv: inv._is_downpayment()
             ),
         )