diff --git a/packages/nodes-base/nodes/InvoiceNinja/InvoiceDescription.ts b/packages/nodes-base/nodes/InvoiceNinja/InvoiceDescription.ts
index e6ff91df4c..0c6d19a1ff 100644
--- a/packages/nodes-base/nodes/InvoiceNinja/InvoiceDescription.ts
+++ b/packages/nodes-base/nodes/InvoiceNinja/InvoiceDescription.ts
@@ -158,6 +158,12 @@ export const invoiceFields: INodeProperties[] = [
 				type: 'boolean',
 				default: false,
 			},
+			{
+				displayName: 'Mark Sent',
+				name: 'markSent',
+				type: 'boolean',
+				default: false,
+			},
 			{
 				displayName: 'Paid',
 				name: 'paid',
diff --git a/packages/nodes-base/nodes/InvoiceNinja/InvoiceNinja.node.ts b/packages/nodes-base/nodes/InvoiceNinja/InvoiceNinja.node.ts
index e1c30be41b..3511266262 100644
--- a/packages/nodes-base/nodes/InvoiceNinja/InvoiceNinja.node.ts
+++ b/packages/nodes-base/nodes/InvoiceNinja/InvoiceNinja.node.ts
@@ -421,7 +421,6 @@ export class InvoiceNinja implements INodeType {
 							if (apiVersion === 'v4') {
 								body.invoice_number = additionalFields.invoiceNumber as string;
 							} else if (apiVersion === 'v5') {
-								// eslint-disable-next-line id-denylist
 								body.number = additionalFields.invoiceNumber as string;
 							}
 						}
@@ -462,10 +461,21 @@ export class InvoiceNinja implements INodeType {
 							body.discount = additionalFields.discount as number;
 						}
 						if (additionalFields.paid) {
-							body.paid = additionalFields.paid as number;
+							if (apiVersion === 'v4') {
+								body.paid = additionalFields.paid as number;
+							} else if (apiVersion === 'v5') {
+								qs.amount_paid = additionalFields.paid as number;
+							}
 						}
 						if (additionalFields.emailInvoice) {
-							body.email_invoice = additionalFields.emailInvoice as boolean;
+							if (apiVersion === 'v4') {
+								body.email_invoice = additionalFields.emailInvoice as boolean;
+							} else if (apiVersion === 'v5') {
+								qs.send_email = additionalFields.emailInvoice as boolean;
+							}
+						}
+						if (additionalFields.markSent) {
+							qs.mark_sent = additionalFields.markSent as boolean;
 						}
 						const invoceItemsValues = (this.getNodeParameter('invoiceItemsUi', i) as IDataObject)
 							.invoiceItemsValues as IDataObject[];
@@ -501,6 +511,7 @@ export class InvoiceNinja implements INodeType {
 							'POST',
 							'/invoices',
 							body as IDataObject,
+							qs,
 						);
 						responseData = responseData.data;
 					}
@@ -879,7 +890,6 @@ export class InvoiceNinja implements INodeType {
 							if (apiVersion === 'v4') {
 								body.invoice_number = additionalFields.quoteNumber as string;
 							} else if (apiVersion === 'v5') {
-								// eslint-disable-next-line id-denylist
 								body.number = additionalFields.quoteNumber as string;
 							}
 						}
diff --git a/packages/nodes-base/nodes/InvoiceNinja/QuoteDescription.ts b/packages/nodes-base/nodes/InvoiceNinja/QuoteDescription.ts
index c780e9589d..ea204d6ee2 100644
--- a/packages/nodes-base/nodes/InvoiceNinja/QuoteDescription.ts
+++ b/packages/nodes-base/nodes/InvoiceNinja/QuoteDescription.ts
@@ -27,7 +27,7 @@ export const quoteOperations: INodeProperties[] = [
 			{
 				name: 'Email',
 				value: 'email',
-				description: 'Email an quote',
+				description: 'Email a quote',
 				action: 'Email a quote',
 			},
 			{
diff --git a/packages/nodes-base/nodes/InvoiceNinja/invoiceInterface.ts b/packages/nodes-base/nodes/InvoiceNinja/invoiceInterface.ts
index 752fbbf4a7..8cfda5a211 100644
--- a/packages/nodes-base/nodes/InvoiceNinja/invoiceInterface.ts
+++ b/packages/nodes-base/nodes/InvoiceNinja/invoiceInterface.ts
@@ -15,10 +15,10 @@ export interface IInvoice {
 	client_id?: number;
 	custom_value1?: number;
 	custom_value2?: number;
-	email_invoice?: boolean;
-	email?: string;
 	discount?: number;
 	due_date?: string;
+	email_invoice?: boolean;
+	email?: string;
 	invoice_date?: string;
 	invoice_items?: IItem[];
 	line_items?: IItem[];