diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index e9252470..511cbdb1 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -2,6 +2,14 @@
 
 ## 13.11
 
+### 13.11.1
+
+#### Fix running from browser with Capacitor
+
+Add `Utils.platformId()` helper function to get rid of an error when running a Capacitor app in a browser.
+
+Ref issue #1566
+
 ### 13.11.0
 
 #### Upgrade to Google Play Billing library 7.0.0
diff --git a/api/modules/CdvPurchase.Utils.md b/api/modules/CdvPurchase.Utils.md
index e33f3ecf..1a3de224 100644
--- a/api/modules/CdvPurchase.Utils.md
+++ b/api/modules/CdvPurchase.Utils.md
@@ -8,6 +8,10 @@
 
 - [Ajax](CdvPurchase.Utils.Ajax.md)
 
+### Type Aliases
+
+- [PlatformID](CdvPurchase.Utils.md#platformid)
+
 ### Functions
 
 - [ajax](CdvPurchase.Utils.md#ajax)
@@ -17,11 +21,18 @@
 - [md5](CdvPurchase.Utils.md#md5)
 - [nonEnumerable](CdvPurchase.Utils.md#nonenumerable)
 - [objectValues](CdvPurchase.Utils.md#objectvalues)
+- [platformId](CdvPurchase.Utils.md#platformid-1)
 - [platformName](CdvPurchase.Utils.md#platformname)
 - [safeCall](CdvPurchase.Utils.md#safecall)
 - [safeCallback](CdvPurchase.Utils.md#safecallback)
 - [uuidv4](CdvPurchase.Utils.md#uuidv4)
 
+## Type Aliases
+
+### PlatformID
+
+Ƭ **PlatformID**: ``"ios"`` \| ``"android"`` \| ``"web"``
+
 ## Functions
 
 ### ajax
@@ -210,6 +221,18 @@ Object.values() for ES6
 
 ___
 
+### platformId
+
+▸ **platformId**(): [`PlatformID`](CdvPurchase.Utils.md#platformid)
+
+Returns an UUID v4. Uses `window.crypto` internally to generate random values.
+
+#### Returns
+
+[`PlatformID`](CdvPurchase.Utils.md#platformid)
+
+___
+
 ### platformName
 
 ▸ **platformName**(`platform`): `string`
diff --git a/api/modules/CdvPurchase.md b/api/modules/CdvPurchase.md
index 8baaa04e..b495f10d 100644
--- a/api/modules/CdvPurchase.md
+++ b/api/modules/CdvPurchase.md
@@ -153,7 +153,7 @@ ___
 
 ### PLUGIN\_VERSION
 
-• `Const` **PLUGIN\_VERSION**: ``"13.11.0"``
+• `Const` **PLUGIN\_VERSION**: ``"13.11.1"``
 
 Current release number of the plugin.
 
diff --git a/package-lock.json b/package-lock.json
index 40f9365f..cb57dc5b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cordova-plugin-purchase",
-  "version": "13.11.0",
+  "version": "13.11.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "cordova-plugin-purchase",
-      "version": "13.11.0",
+      "version": "13.11.1",
       "license": "MIT",
       "devDependencies": {
         "@types/jest": "^29.5.4",
diff --git a/package.json b/package.json
index 575e40f4..879e71eb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cordova-plugin-purchase",
-  "version": "13.11.0",
+  "version": "13.11.1",
   "description": "Cordova Purchase plugin for iOS, Android, Windows (AppStore, Play, UWP)",
   "cordova": {
     "id": "cordova-plugin-purchase",
diff --git a/plugin.xml b/plugin.xml
index 40fb4084..1461f9df 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -26,7 +26,7 @@ SOFTWARE.
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
     id="cordova-plugin-purchase"
     xmlns:android="http://schemas.android.com/apk/res/android"
-    version="13.10.4">
+    version="13.11.1">
 
     <name>Purchase</name>
 	<description>Cordova Purchase plugin for iOS (AppStore), Android (PlayStore) and Windows</description>
diff --git a/src/ts/store.ts b/src/ts/store.ts
index 4eb2fecf..18c49b97 100644
--- a/src/ts/store.ts
+++ b/src/ts/store.ts
@@ -32,7 +32,7 @@ namespace CdvPurchase {
     /**
      * Current release number of the plugin.
      */
-    export const PLUGIN_VERSION = '13.11.0';
+    export const PLUGIN_VERSION = '13.11.1';
 
     /**
      * Entry class of the plugin.
diff --git a/www/store.d.ts b/www/store.d.ts
index f7d9e0d9..832aca6b 100644
--- a/www/store.d.ts
+++ b/www/store.d.ts
@@ -743,7 +743,7 @@ declare namespace CdvPurchase {
     /**
      * Current release number of the plugin.
      */
-    const PLUGIN_VERSION = "13.11.0";
+    const PLUGIN_VERSION = "13.11.1";
     /**
      * Entry class of the plugin.
      */
@@ -5383,6 +5383,13 @@ declare namespace CdvPurchase {
         function md5(str: string): string;
     }
 }
+declare namespace CdvPurchase {
+    namespace Utils {
+        type PlatformID = 'ios' | 'android' | 'web';
+        /** Returns an UUID v4. Uses `window.crypto` internally to generate random values. */
+        function platformId(): PlatformID;
+    }
+}
 declare namespace CdvPurchase {
     namespace Utils {
         /**
diff --git a/www/store.js b/www/store.js
index 34ff187c..f13aa93b 100644
--- a/www/store.js
+++ b/www/store.js
@@ -1348,7 +1348,7 @@ var CdvPurchase;
     /**
      * Current release number of the plugin.
      */
-    CdvPurchase.PLUGIN_VERSION = '13.11.0';
+    CdvPurchase.PLUGIN_VERSION = '13.11.1';
     /**
      * Entry class of the plugin.
      */
@@ -1906,7 +1906,7 @@ var CdvPurchase;
          * - on Android: `GOOGLE_PLAY`
          */
         defaultPlatform() {
-            switch (window.cordova.platformId) {
+            switch (CdvPurchase.Utils.platformId()) {
                 case 'android': return CdvPurchase.Platform.GOOGLE_PLAY;
                 case 'ios': return CdvPurchase.Platform.APPLE_APPSTORE;
                 default: return CdvPurchase.Platform.TEST;
@@ -2699,7 +2699,7 @@ var CdvPurchase;
             }
             /** Returns true on iOS, the only platform supported by this adapter */
             get isSupported() {
-                return window.cordova.platformId === 'ios';
+                return CdvPurchase.Utils.platformId() === 'ios';
             }
             upsertTransactionInProgress(productId, state) {
                 const transactionId = virtualTransactionId(productId);
@@ -4300,7 +4300,7 @@ var CdvPurchase;
                 }
                 /** Returns true on Android, the only platform supported by this Braintree bridge */
                 static isSupported() {
-                    return window.cordova.platformId === 'android';
+                    return CdvPurchase.Utils.platformId() === 'android';
                 }
                 isApplePaySupported() {
                     return __awaiter(this, void 0, void 0, function* () {
@@ -4466,7 +4466,7 @@ var CdvPurchase;
                 static isSupported(log) {
                     return new Promise(resolve => {
                         var _a;
-                        if (window.cordova.platformId !== 'ios') {
+                        if (CdvPurchase.Utils.platformId() !== 'ios') {
                             log.info('BraintreeApplePayPlugin is only available for ios.');
                             return resolve(false);
                         }
@@ -4589,7 +4589,7 @@ var CdvPurchase;
                     return window.CdvPurchaseBraintree;
                 }
                 static isSupported() {
-                    return window.cordova.platformId === 'ios';
+                    return CdvPurchase.Utils.platformId() === 'ios';
                 }
             }
             IosBridge.Bridge = Bridge;
@@ -4834,7 +4834,7 @@ var CdvPurchase;
             get receipts() { return this._receipts; }
             /** Returns true on Android, the only platform supported by this adapter */
             get isSupported() {
-                return window.cordova.platformId === 'android';
+                return CdvPurchase.Utils.platformId() === 'android';
             }
             initialize() {
                 return __awaiter(this, void 0, void 0, function* () {
@@ -6746,6 +6746,22 @@ var CdvPurchase;
     })(Utils = CdvPurchase.Utils || (CdvPurchase.Utils = {}));
 })(CdvPurchase || (CdvPurchase = {}));
 var CdvPurchase;
+(function (CdvPurchase) {
+    let Utils;
+    (function (Utils) {
+        /** Returns an UUID v4. Uses `window.crypto` internally to generate random values. */
+        function platformId() {
+            var _a, _b, _c;
+            if ((_a = window.cordova) === null || _a === void 0 ? void 0 : _a.platformId)
+                return (_b = window.cordova) === null || _b === void 0 ? void 0 : _b.platformId;
+            if ((_c = window.Capacitor) === null || _c === void 0 ? void 0 : _c.getPlatform)
+                return window.Capacitor.getPlatform();
+            return 'web';
+        }
+        Utils.platformId = platformId;
+    })(Utils = CdvPurchase.Utils || (CdvPurchase.Utils = {}));
+})(CdvPurchase || (CdvPurchase = {}));
+var CdvPurchase;
 (function (CdvPurchase) {
     let Utils;
     (function (Utils) {