diff --git a/src/Model/Currency/Currency.zod.ts b/src/Model/Currency/Currency.zod.ts
index 27b46a1..1e99dc5 100644
--- a/src/Model/Currency/Currency.zod.ts
+++ b/src/Model/Currency/Currency.zod.ts
@@ -12,5 +12,5 @@ export const currencyInterfaceSchema = z.object({
   sanctioned: z.boolean(),
   displayCode: z.string().optional(),
   chain: z.string().optional(),
-  maxSupply: z.string().optional(),
+  maxSupply: z.string().optional()
 });
diff --git a/src/Model/Invoice/Invoice.ts b/src/Model/Invoice/Invoice.ts
index 16bf670..8576a39 100644
--- a/src/Model/Invoice/Invoice.ts
+++ b/src/Model/Invoice/Invoice.ts
@@ -8,6 +8,7 @@ import { InvoiceUniversalCodes } from './InvoiceUniversalCodes';
 import { BitPayExceptionProvider } from '../../Exceptions/BitPayExceptionProvider';
 import { MinerFeesItem } from './MinerFeesItem';
 import { SupportedTransactionCurrency } from './SupportedTransactionCurrency';
+import { InvoiceRefundAddresses } from './InvoiceRefundAddresses';
 
 export interface InvoiceInterface {
   // API fields
@@ -53,7 +54,7 @@ export interface InvoiceInterface {
   exceptionStatus?: boolean | string;
   targetConfirmations?: number;
   transactions?: InvoiceTransaction[];
-  refundAddresses?: unknown;
+  refundAddresses?: Array<{ [key: string]: InvoiceRefundAddresses }>;
   refundAddressRequestPending?: boolean;
   buyerProvidedEmail?: string;
   buyerProvidedInfo?: InvoiceBuyerProvidedInfo;
@@ -129,7 +130,7 @@ export class Invoice implements InvoiceInterface {
   exceptionStatus?: boolean | string;
   targetConfirmations?: number;
   transactions?: InvoiceTransaction[];
-  refundAddresses?: unknown;
+  refundAddresses?: Array<{ [key: string]: InvoiceRefundAddresses }>;
   refundAddressRequestPending?: boolean;
   buyerProvidedEmail?: string;
   buyerProvidedInfo?: InvoiceBuyerProvidedInfo;
diff --git a/src/Model/Invoice/Invoice.zod.ts b/src/Model/Invoice/Invoice.zod.ts
index f0577c8..9584caf 100644
--- a/src/Model/Invoice/Invoice.zod.ts
+++ b/src/Model/Invoice/Invoice.zod.ts
@@ -7,6 +7,7 @@ import { refundInfoSchema } from './RefundInfo.zod';
 import { shopperSchema } from './Shopper.zod';
 import { minerFeesItemSchema } from './MinerFeesItem.zod';
 import { supportedTransactionCurrencySchema } from './SupportedTransactionCurrency.zod';
+import { invoiceRefundAddressesSchema } from './InvoiceRefundAddresses.zod';
 
 export const invoiceSchema = z.object({
   buyer: buyerInterfaceSchema.optional(),
@@ -47,7 +48,7 @@ export const invoiceSchema = z.object({
   currentTime: z.number().optional(),
   exceptionStatus: z.union([z.boolean(), z.string()]).optional(),
   targetConfirmations: z.number().optional(),
-  refundAddresses: z.unknown().optional(),
+  refundAddresses: z.array(z.record(z.string(), invoiceRefundAddressesSchema)).optional(),
   refundAddressRequestPending: z.boolean().optional(),
   buyerProvidedEmail: z.string().optional(),
   billId: z.string().optional(),
diff --git a/src/Model/Invoice/InvoiceRefundAddresses.ts b/src/Model/Invoice/InvoiceRefundAddresses.ts
new file mode 100644
index 0000000..3f216fb
--- /dev/null
+++ b/src/Model/Invoice/InvoiceRefundAddresses.ts
@@ -0,0 +1,6 @@
+export interface InvoiceRefundAddresses {
+  type: string;
+  date: string;
+  tag?: number;
+  email?: string;
+}
diff --git a/src/Model/Invoice/InvoiceRefundAddresses.zod.ts b/src/Model/Invoice/InvoiceRefundAddresses.zod.ts
new file mode 100644
index 0000000..2056a73
--- /dev/null
+++ b/src/Model/Invoice/InvoiceRefundAddresses.zod.ts
@@ -0,0 +1,8 @@
+import { z } from 'zod';
+
+export const invoiceRefundAddressesSchema = z.object({
+  type: z.string(),
+  date: z.string(),
+  tag: z.number().optional().nullable(),
+  email: z.string().optional().nullable()
+});
diff --git a/src/Model/Invoice/InvoiceTransaction.ts b/src/Model/Invoice/InvoiceTransaction.ts
index cf7027f..6ae4359 100644
--- a/src/Model/Invoice/InvoiceTransaction.ts
+++ b/src/Model/Invoice/InvoiceTransaction.ts
@@ -4,4 +4,6 @@ export interface InvoiceTransaction {
   time?: string;
   receivedTime?: string;
   txid?: string;
+  exRates?: Record<string, number>;
+  outputIndex?: number;
 }
diff --git a/src/Model/Invoice/InvoiceTransaction.zod.ts b/src/Model/Invoice/InvoiceTransaction.zod.ts
index 25d3331..166d5f9 100644
--- a/src/Model/Invoice/InvoiceTransaction.zod.ts
+++ b/src/Model/Invoice/InvoiceTransaction.zod.ts
@@ -5,5 +5,7 @@ export const invoiceTransactionSchema = z.object({
   confirmations: z.number().optional(),
   time: z.string().optional(),
   receivedTime: z.string().optional(),
-  txid: z.string().optional()
+  txid: z.string().optional(),
+  exRates: z.record(z.string(), z.number()).optional(),
+  outputIndex: z.number().optional()
 });
diff --git a/src/Model/Payout/PayoutTransaction.ts b/src/Model/Payout/PayoutTransaction.ts
index 53c3829..1f89491 100644
--- a/src/Model/Payout/PayoutTransaction.ts
+++ b/src/Model/Payout/PayoutTransaction.ts
@@ -2,12 +2,14 @@ export interface PayoutTransactionInterface {
   txid: string;
   amount: number;
   date: string;
+  confirmations?: number;
 }
 
 export class PayoutTransaction implements PayoutTransactionInterface {
   txid: string;
   amount: number;
   date: string;
+  confirmations?: number;
 
   public constructor() {}
 }
diff --git a/src/Model/Payout/PayoutTransaction.zod.ts b/src/Model/Payout/PayoutTransaction.zod.ts
index 87cdf18..b3d0963 100644
--- a/src/Model/Payout/PayoutTransaction.zod.ts
+++ b/src/Model/Payout/PayoutTransaction.zod.ts
@@ -3,5 +3,6 @@ import { z } from 'zod';
 export const payoutTransactionInterfaceSchema = z.object({
   txid: z.string(),
   amount: z.number(),
-  date: z.string()
+  date: z.string(),
+  confirmations: z.number().optional()
 });
diff --git a/src/Model/Webhook/InvoiceBuyerFields.zod.ts b/src/Model/Webhook/InvoiceBuyerFields.zod.ts
new file mode 100644
index 0000000..549fa11
--- /dev/null
+++ b/src/Model/Webhook/InvoiceBuyerFields.zod.ts
@@ -0,0 +1,14 @@
+import { z } from 'zod';
+
+export const invoiceWebhookBuyerFieldsInterfaceSchema = z.object({
+  buyerName: z.string().optional(),
+  buyerAddress1: z.string().optional(),
+  buyerAddress2: z.string().optional(),
+  buyerCity: z.string().optional(),
+  buyerState: z.string().optional(),
+  buyerZip: z.string().optional(),
+  buyerCountry: z.string().optional(),
+  buyerPhone: z.string().optional(),
+  buyerNotify: z.boolean().optional(),
+  buyerEmail: z.string().optional()
+});
diff --git a/src/Model/Webhook/InvoiceWebhook.ts b/src/Model/Webhook/InvoiceWebhook.ts
new file mode 100644
index 0000000..d57d54d
--- /dev/null
+++ b/src/Model/Webhook/InvoiceWebhook.ts
@@ -0,0 +1,22 @@
+import { InvoiceWebhookBuyerFieldsInterface } from './InvoiceWebhookBuyerFields';
+
+export interface InvoiceWebhook {
+  id?: string;
+  url?: string;
+  posData?: string;
+  status?: string;
+  price?: string;
+  currency?: string;
+  invoiceTime?: string;
+  currencyTime?: string;
+  exceptionStatus?: string;
+  buyerFields?: InvoiceWebhookBuyerFieldsInterface;
+  paymentSubtotals?: Record<string, number>;
+  paymentTotals?: Record<string, number>;
+  exchangeRates?: Record<string, Record<string, number>>;
+  amountPaid?: number;
+  orderId?: string;
+  transactionCurrency?: string;
+  inInvoiceId?: string;
+  inPaymentRequest?: string;
+}
diff --git a/src/Model/Webhook/InvoiceWebhook.zod.ts b/src/Model/Webhook/InvoiceWebhook.zod.ts
new file mode 100644
index 0000000..75ca64b
--- /dev/null
+++ b/src/Model/Webhook/InvoiceWebhook.zod.ts
@@ -0,0 +1,23 @@
+import { z } from 'zod';
+import { invoiceWebhookBuyerFieldsInterfaceSchema } from './InvoiceBuyerFields.zod';
+
+export const invoiceWebhookSchema = z.object({
+  id: z.string().optional(),
+  url: z.string().optional(),
+  posData: z.string().optional(),
+  status: z.string().optional(),
+  price: z.string().optional(),
+  currency: z.string().optional(),
+  invoiceTime: z.string().optional(),
+  currencyTime: z.string().optional(),
+  exceptionStatus: z.string().optional(),
+  buyerFields: invoiceWebhookBuyerFieldsInterfaceSchema.optional(),
+  paymentSubtotals: z.record(z.number()).nullable(),
+  paymentTotals: z.record(z.number()).nullable(),
+  exchangeRates: z.record(z.record(z.number())).nullable(),
+  amountPaid: z.number().optional(),
+  orderId: z.string().optional(),
+  transactionCurrency: z.string().optional(),
+  inInvoiceId: z.string().optional(),
+  inPaymentRequest: z.string().optional()
+});
diff --git a/src/Model/Webhook/InvoiceWebhookBuyerFields.ts b/src/Model/Webhook/InvoiceWebhookBuyerFields.ts
new file mode 100644
index 0000000..f8b5601
--- /dev/null
+++ b/src/Model/Webhook/InvoiceWebhookBuyerFields.ts
@@ -0,0 +1,12 @@
+export interface InvoiceWebhookBuyerFieldsInterface {
+  buyerName?: string;
+  buyerAddress1?: string;
+  buyerAddress2?: string;
+  buyerCity?: string;
+  buyerState?: string;
+  buyerZip?: string;
+  buyerCountry?: string;
+  buyerPhone?: string;
+  buyerNotify?: boolean;
+  buyerEmail?: string;
+}
diff --git a/src/Model/Webhook/PayoutWebhook.ts b/src/Model/Webhook/PayoutWebhook.ts
new file mode 100644
index 0000000..eccb9d7
--- /dev/null
+++ b/src/Model/Webhook/PayoutWebhook.ts
@@ -0,0 +1,23 @@
+import { PayoutTransaction } from '../Payout/PayoutTransaction';
+
+export interface PayoutWebhookInterface {
+  id?: string;
+  recipientId?: string;
+  shopperId?: string;
+  price?: number;
+  currency?: string;
+  ledgerCurrency?: string;
+  exchangeRates?: Record<string, Record<string, number>>;
+  email?: string;
+  reference?: string;
+  label?: string;
+  notificationUrl?: string;
+  notificationEmail?: string;
+  effectiveDate?: string;
+  requestDate?: string;
+  status?: string;
+  transactions?: PayoutTransaction[];
+  accountId?: string;
+  date?: string;
+  groupId?: string;
+}
diff --git a/src/Model/Webhook/PayoutWebhook.zod.ts b/src/Model/Webhook/PayoutWebhook.zod.ts
new file mode 100644
index 0000000..d95c37a
--- /dev/null
+++ b/src/Model/Webhook/PayoutWebhook.zod.ts
@@ -0,0 +1,24 @@
+import { z } from 'zod';
+import { payoutTransactionInterfaceSchema } from '../Payout/PayoutTransaction.zod';
+
+export const payoutWebhookSchema = z.object({
+  id: z.string().optional(),
+  recipientId: z.string().optional(),
+  shopperId: z.string().optional(),
+  price: z.number().optional(),
+  currency: z.string().optional(),
+  ledgerCurrency: z.string().optional(),
+  exchangeRates: z.record(z.record(z.number())).optional(),
+  email: z.string().optional(),
+  reference: z.string().optional(),
+  label: z.string().optional(),
+  notificationUrl: z.string().optional(),
+  notificationEmail: z.string().optional(),
+  effectiveDate: z.string().optional(),
+  requestDate: z.string().optional(),
+  status: z.string().optional(),
+  transactions: z.array(payoutTransactionInterfaceSchema).optional(),
+  accountId: z.string().optional(),
+  date: z.string().optional(),
+  groupId: z.string().optional()
+});
diff --git a/src/Model/Webhook/RefundWebhook.ts b/src/Model/Webhook/RefundWebhook.ts
new file mode 100644
index 0000000..60ca87c
--- /dev/null
+++ b/src/Model/Webhook/RefundWebhook.ts
@@ -0,0 +1,21 @@
+export interface RefundWebhook {
+  amount?: number;
+  buyerPaysRefundFee?: boolean;
+  currency?: string;
+  id?: string;
+  immediate?: boolean;
+  invoice?: string;
+  lastRefundNotification?: string;
+  refundFee?: number;
+  requestDate?: string;
+  status?: string;
+  supportRequest?: string;
+  reference?: string;
+  guid?: string;
+  refundAddress?: string;
+  type?: string;
+  txid?: string;
+  transactionCurrency?: string;
+  transactionAmount?: number;
+  transactionRefundFee?: number;
+}
diff --git a/src/Model/Webhook/RefundWebhook.zod.ts b/src/Model/Webhook/RefundWebhook.zod.ts
new file mode 100644
index 0000000..37f824b
--- /dev/null
+++ b/src/Model/Webhook/RefundWebhook.zod.ts
@@ -0,0 +1,23 @@
+import { z } from 'zod';
+
+export const refundWebhookSchema = z.object({
+  amount: z.number().nullable(),
+  buyerPaysRefundFee: z.boolean().nullable(),
+  currency: z.string().nullable(),
+  id: z.string().nullable(),
+  immediate: z.boolean().nullable(),
+  invoice: z.string().nullable(),
+  lastRefundNotification: z.string().nullable(),
+  refundFee: z.number().nullable(),
+  requestDate: z.string().nullable(),
+  status: z.string().nullable(),
+  supportRequest: z.string().nullable(),
+  reference: z.string().nullable(),
+  guid: z.string().nullable(),
+  refundAddress: z.string().nullable(),
+  type: z.string().nullable(),
+  txid: z.string().nullable(),
+  transactionCurrency: z.string().nullable(),
+  transactionAmount: z.number().nullable(),
+  transactionRefundFee: z.number().nullable()
+});
diff --git a/test/clientUnit.spec.ts b/test/clientUnit.spec.ts
index 743aa72..eeb6a8a 100644
--- a/test/clientUnit.spec.ts
+++ b/test/clientUnit.spec.ts
@@ -525,6 +525,7 @@ describe('BitPaySDK.Client', () => {
       expect(result.url).toBe('https://bitpay.com/invoice?id=G3viJEJgE8Jk2oekSdgT2A');
       expect(result.buyerProvidedInfo.emailAddress).toBe('john@doe.com');
       expect(result.universalCodes.paymentString).toBe('https://link.bitpay.com/i/G3viJEJgE8Jk2oekSdgT2A');
+      expect(result.refundAddresses[0].n2MDYgEhxCAnuoVd1JpPmvxZShE6rQA6zv.type).toBe('buyerSupplied');
     });
 
     it('should get invoice', async () => {
diff --git a/test/json/createInvoiceResponse.json b/test/json/createInvoiceResponse.json
index febdeb8..adbd1e0 100644
--- a/test/json/createInvoiceResponse.json
+++ b/test/json/createInvoiceResponse.json
@@ -26,7 +26,15 @@
     "redirectURL": "https://merchantwebsite.com/shop/return",
     "autoRedirect": false,
     "closeURL": "https://merchantwebsite.com/shop/cancel",
-    "refundAddresses": [],
+    "refundAddresses": [
+      {
+        "n2MDYgEhxCAnuoVd1JpPmvxZShE6rQA6zv": {
+          "type": "buyerSupplied",
+          "date": "2024-01-08T23:50:56.556Z",
+          "email": "email@email.com"
+        }
+      }
+    ],
     "refundAddressRequestPending": false,
     "buyerProvidedEmail": "john@doe.com",
     "buyerProvidedInfo": {