diff --git a/.github/workflows/versioning.yml b/.github/workflows/versioning.yml
index b85546e75a..1a0ed710fb 100644
--- a/.github/workflows/versioning.yml
+++ b/.github/workflows/versioning.yml
@@ -45,8 +45,8 @@ jobs:
 
       - name: Install NPM dependencies
         run: yarn install --immutable
-  
-      - name: Update version.ts file
+
+      - name: Update sdk-info.ts file
         run: yarn prebuild
 
       - name: Commit and branch updated version
diff --git a/packages/wallet-sdk/package.json b/packages/wallet-sdk/package.json
index 736245164a..f4c3a02a90 100644
--- a/packages/wallet-sdk/package.json
+++ b/packages/wallet-sdk/package.json
@@ -21,7 +21,7 @@
     "pretest": "node compile-assets.js",
     "test": "jest",
     "test:coverage": "yarn test:unit && open coverage/lcov-report/index.html",
-    "prebuild": "rm -rf ./dist && node -p \"'export const LIB_VERSION = \\'' + require('./package.json').version + '\\';'\" > src/version.ts",
+    "prebuild": "rm -rf ./dist && node -p \"'export const VERSION = \\'' + require('./package.json').version + '\\';\\nexport const NAME = \\'' + require('./package.json').name + '\\';'\" > src/sdk-info.ts",
     "build": "node compile-assets.js && tsc -p ./tsconfig.build.json && tsc-alias && cp -a src/vendor-js dist",
     "dev": "yarn build && tsc --watch & nodemon --watch dist --delay 1 --exec tsc-alias",
     "typecheck": "tsc --noEmit",
diff --git a/packages/wallet-sdk/src/CoinbaseWalletSDK.test.ts b/packages/wallet-sdk/src/CoinbaseWalletSDK.test.ts
index ade93c5caa..70bb0bba15 100644
--- a/packages/wallet-sdk/src/CoinbaseWalletSDK.test.ts
+++ b/packages/wallet-sdk/src/CoinbaseWalletSDK.test.ts
@@ -7,7 +7,7 @@ import { getCoinbaseInjectedProvider } from ':util/provider';
 jest.mock(':core/type/util');
 jest.mock(':util/provider');
 jest.mock('./CoinbaseWalletProvider');
-jest.mock('./util/crossOriginOpenerPolicy');
+jest.mock('./util/checkCrossOriginOpenerPolicy');
 
 describe('CoinbaseWalletSDK', () => {
   test('@makeWeb3Provider - return Coinbase Injected Provider', () => {
diff --git a/packages/wallet-sdk/src/CoinbaseWalletSDK.ts b/packages/wallet-sdk/src/CoinbaseWalletSDK.ts
index b7fcb03046..543a1f8636 100644
--- a/packages/wallet-sdk/src/CoinbaseWalletSDK.ts
+++ b/packages/wallet-sdk/src/CoinbaseWalletSDK.ts
@@ -3,10 +3,10 @@
 import { LogoType, walletLogo } from './assets/wallet-logo';
 import { CoinbaseWalletProvider } from './CoinbaseWalletProvider';
 import { AppMetadata, Preference, ProviderInterface } from './core/provider/interface';
-import { LIB_VERSION } from './version';
+import { VERSION } from './sdk-info';
 import { ScopedLocalStorage } from ':core/storage/ScopedLocalStorage';
 import { getFavicon } from ':core/type/util';
-import { checkCrossOriginOpenerPolicy } from ':util/crossOriginOpenerPolicy';
+import { checkCrossOriginOpenerPolicy } from ':util/checkCrossOriginOpenerPolicy';
 import { getCoinbaseInjectedProvider } from ':util/provider';
 import { validatePreferences } from ':util/validatePreferences';
 
@@ -29,7 +29,7 @@ export class CoinbaseWalletSDK {
       appChainIds: metadata.appChainIds || [],
     };
     this.storeLatestVersion();
-    this.checkCrossOriginOpenerPolicy();
+    void checkCrossOriginOpenerPolicy();
   }
 
   public makeWeb3Provider(preference: Preference = { options: 'all' }): ProviderInterface {
@@ -50,10 +50,6 @@ export class CoinbaseWalletSDK {
 
   private storeLatestVersion() {
     const versionStorage = new ScopedLocalStorage('CBWSDK');
-    versionStorage.setItem('VERSION', LIB_VERSION);
-  }
-
-  private checkCrossOriginOpenerPolicy() {
-    void checkCrossOriginOpenerPolicy();
+    versionStorage.setItem('VERSION', VERSION);
   }
 }
diff --git a/packages/wallet-sdk/src/core/communicator/Communicator.test.ts b/packages/wallet-sdk/src/core/communicator/Communicator.test.ts
index 3616a5e570..5fd91a52f2 100644
--- a/packages/wallet-sdk/src/core/communicator/Communicator.test.ts
+++ b/packages/wallet-sdk/src/core/communicator/Communicator.test.ts
@@ -1,6 +1,6 @@
 import { AppMetadata, Preference } from 'src/index';
 
-import { LIB_VERSION } from '../../version';
+import { VERSION } from '../../sdk-info';
 import { Message, MessageID } from '../message';
 import { Communicator } from './Communicator';
 import { CB_KEYS_URL } from ':core/constants';
@@ -113,7 +113,7 @@ describe('Communicator', () => {
         1,
         {
           data: {
-            version: LIB_VERSION,
+            version: VERSION,
             metadata: appMetadata,
             preference,
           },
@@ -140,7 +140,7 @@ describe('Communicator', () => {
         1,
         {
           data: {
-            version: LIB_VERSION,
+            version: VERSION,
             metadata: appMetadata,
             preference,
           },
@@ -162,7 +162,7 @@ describe('Communicator', () => {
         1,
         {
           data: {
-            version: LIB_VERSION,
+            version: VERSION,
             metadata: appMetadata,
             preference,
           },
diff --git a/packages/wallet-sdk/src/core/communicator/Communicator.ts b/packages/wallet-sdk/src/core/communicator/Communicator.ts
index 88908297f1..69beb52d78 100644
--- a/packages/wallet-sdk/src/core/communicator/Communicator.ts
+++ b/packages/wallet-sdk/src/core/communicator/Communicator.ts
@@ -1,4 +1,4 @@
-import { LIB_VERSION } from '../../version';
+import { VERSION } from '../../sdk-info';
 import { ConfigMessage, Message, MessageID } from '../message';
 import { CB_KEYS_URL } from ':core/constants';
 import { standardErrors } from ':core/error';
@@ -109,7 +109,7 @@ export class Communicator {
         this.postMessage({
           requestId: message.id,
           data: {
-            version: LIB_VERSION,
+            version: VERSION,
             metadata: this.metadata,
             preference: this.preference,
           },
diff --git a/packages/wallet-sdk/src/core/error/serialize.ts b/packages/wallet-sdk/src/core/error/serialize.ts
index 2ade9e1551..1e12b82718 100644
--- a/packages/wallet-sdk/src/core/error/serialize.ts
+++ b/packages/wallet-sdk/src/core/error/serialize.ts
@@ -1,6 +1,6 @@
 // TODO: error should not depend on walletlink. revisit this.
+import { VERSION } from '../../sdk-info';
 import { isErrorResponse, Web3Response } from '../../sign/walletlink/relay/type/Web3Response';
-import { LIB_VERSION } from '../../version';
 import { standardErrorCodes } from './constants';
 import { serialize } from './utils';
 
@@ -15,7 +15,7 @@ export function serializeError(error: unknown) {
   });
 
   const docUrl = new URL('https://docs.cloud.coinbase.com/wallet-sdk/docs/errors');
-  docUrl.searchParams.set('version', LIB_VERSION);
+  docUrl.searchParams.set('version', VERSION);
   docUrl.searchParams.set('code', serialized.code.toString());
   docUrl.searchParams.set('message', serialized.message);
 
diff --git a/packages/wallet-sdk/src/createCoinbaseWalletSDK.test.ts b/packages/wallet-sdk/src/createCoinbaseWalletSDK.test.ts
index fab27c2096..bf490ac171 100644
--- a/packages/wallet-sdk/src/createCoinbaseWalletSDK.test.ts
+++ b/packages/wallet-sdk/src/createCoinbaseWalletSDK.test.ts
@@ -7,7 +7,7 @@ const options: CreateCoinbaseWalletSDKOptions = {
   preference: { options: 'all' },
 };
 
-jest.mock('./util/crossOriginOpenerPolicy');
+jest.mock('./util/checkCrossOriginOpenerPolicy');
 
 describe('createCoinbaseWalletSDK', () => {
   it('should return an object with a getProvider method', () => {
diff --git a/packages/wallet-sdk/src/createCoinbaseWalletSDK.ts b/packages/wallet-sdk/src/createCoinbaseWalletSDK.ts
index 45f42ddea1..e48c5726ae 100644
--- a/packages/wallet-sdk/src/createCoinbaseWalletSDK.ts
+++ b/packages/wallet-sdk/src/createCoinbaseWalletSDK.ts
@@ -1,5 +1,5 @@
 import { createCoinbaseWalletProvider } from './createCoinbaseWalletProvider';
-import { LIB_VERSION } from './version';
+import { VERSION } from './sdk-info';
 import {
   AppMetadata,
   ConstructorOptions,
@@ -7,7 +7,7 @@ import {
   ProviderInterface,
 } from ':core/provider/interface';
 import { ScopedLocalStorage } from ':core/storage/ScopedLocalStorage';
-import { checkCrossOriginOpenerPolicy } from ':util/crossOriginOpenerPolicy';
+import { checkCrossOriginOpenerPolicy } from ':util/checkCrossOriginOpenerPolicy';
 import { validatePreferences } from ':util/validatePreferences';
 
 export type CreateCoinbaseWalletSDKOptions = Partial<AppMetadata> & {
@@ -25,7 +25,7 @@ const DEFAULT_PREFERENCE: Preference = {
  */
 export function createCoinbaseWalletSDK(params: CreateCoinbaseWalletSDKOptions) {
   const versionStorage = new ScopedLocalStorage('CBWSDK');
-  versionStorage.setItem('VERSION', LIB_VERSION);
+  versionStorage.setItem('VERSION', VERSION);
 
   void checkCrossOriginOpenerPolicy();
 
diff --git a/packages/wallet-sdk/src/sdk-info.ts b/packages/wallet-sdk/src/sdk-info.ts
new file mode 100644
index 0000000000..e6a4e08a5d
--- /dev/null
+++ b/packages/wallet-sdk/src/sdk-info.ts
@@ -0,0 +1,2 @@
+export const VERSION = '4.1.0';
+export const NAME = '@coinbase/wallet-sdk';
diff --git a/packages/wallet-sdk/src/util/crossOriginOpenerPolicy.test.ts b/packages/wallet-sdk/src/util/checkCrossOriginOpenerPolicy.test.ts
similarity index 63%
rename from packages/wallet-sdk/src/util/crossOriginOpenerPolicy.test.ts
rename to packages/wallet-sdk/src/util/checkCrossOriginOpenerPolicy.test.ts
index 6fbfee569b..467388c7d6 100644
--- a/packages/wallet-sdk/src/util/crossOriginOpenerPolicy.test.ts
+++ b/packages/wallet-sdk/src/util/checkCrossOriginOpenerPolicy.test.ts
@@ -1,4 +1,7 @@
-import { checkCrossOriginOpenerPolicy } from './crossOriginOpenerPolicy';
+import {
+  checkCrossOriginOpenerPolicy,
+  getCrossOriginOpenerPolicy,
+} from './checkCrossOriginOpenerPolicy';
 
 describe('checkCrossOriginOpenerPolicy', () => {
   beforeEach(() => {
@@ -6,27 +9,33 @@ describe('checkCrossOriginOpenerPolicy', () => {
     jest.clearAllMocks();
   });
 
-  it('should not run if window is undefined', () => {
+  it('should return non-browser-env if window is undefined', async () => {
     const originalWindow = global.window;
     // @ts-expect-error delete window property
     delete global.window;
 
-    expect(checkCrossOriginOpenerPolicy()).toBeUndefined();
+    await checkCrossOriginOpenerPolicy();
+
+    expect(getCrossOriginOpenerPolicy()).toBe('non-browser-env');
 
     // Restore the original window object
     global.window = originalWindow;
   });
 
-  it('should fetch the current origin', async () => {
+  it('should fetch the current origin and pathname', async () => {
     global.fetch = jest.fn().mockResolvedValue({
       headers: {
         get: jest.fn().mockReturnValue(null),
       },
+      ok: true,
     });
 
     checkCrossOriginOpenerPolicy();
 
-    expect(global.fetch).toHaveBeenCalledWith(window.location.origin, {});
+    expect(global.fetch).toHaveBeenCalledWith(
+      `${window.location.origin}${window.location.pathname}`,
+      { method: 'HEAD' }
+    );
   });
 
   it('should log an error if Cross-Origin-Opener-Policy is same-origin', async () => {
@@ -35,29 +44,35 @@ describe('checkCrossOriginOpenerPolicy', () => {
       headers: {
         get: jest.fn().mockReturnValue('same-origin'),
       },
+      ok: true,
     });
 
     await checkCrossOriginOpenerPolicy();
+    const result = getCrossOriginOpenerPolicy();
 
     expect(consoleErrorSpy).toHaveBeenCalledWith(
       expect.stringContaining(
         "Coinbase Wallet SDK requires the Cross-Origin-Opener-Policy header to not be set to 'same-origin'."
       )
     );
+    expect(result).toBe('same-origin');
     consoleErrorSpy.mockRestore();
   });
 
-  it('should not log an error if Cross-Origin-Opener-Policy is not same-origin', async () => {
+  it('should return true and not log an error if Cross-Origin-Opener-Policy is not same-origin', async () => {
     const consoleErrorSpy = jest.spyOn(console, 'error').mockImplementation(() => {});
     global.fetch = jest.fn().mockResolvedValue({
       headers: {
         get: jest.fn().mockReturnValue('unsafe-none'),
       },
+      ok: true,
     });
 
     await checkCrossOriginOpenerPolicy();
+    const result = getCrossOriginOpenerPolicy();
 
     expect(consoleErrorSpy).not.toHaveBeenCalled();
+    expect(result).toBe('unsafe-none');
     consoleErrorSpy.mockRestore();
   });
 });
diff --git a/packages/wallet-sdk/src/util/checkCrossOriginOpenerPolicy.ts b/packages/wallet-sdk/src/util/checkCrossOriginOpenerPolicy.ts
new file mode 100644
index 0000000000..41b4f5c957
--- /dev/null
+++ b/packages/wallet-sdk/src/util/checkCrossOriginOpenerPolicy.ts
@@ -0,0 +1,62 @@
+const COOP_ERROR_MESSAGE = `Coinbase Wallet SDK requires the Cross-Origin-Opener-Policy header to not be set to 'same-origin'. This is to ensure that the SDK can communicate with the Coinbase Smart Wallet app.
+
+Please see https://www.smartwallet.dev/guides/tips/popup-tips#cross-origin-opener-policy for more information.`;
+
+/**
+ * Creates a checker for the Cross-Origin-Opener-Policy (COOP).
+ *
+ * @returns An object with methods to get and check the Cross-Origin-Opener-Policy.
+ *
+ * @method getCrossOriginOpenerPolicy
+ * Retrieves current Cross-Origin-Opener-Policy.
+ * @throws Will throw an error if the policy has not been checked yet.
+ *
+ * @method checkCrossOriginOpenerPolicy
+ * Checks the Cross-Origin-Opener-Policy of the current environment.
+ * If in a non-browser environment, sets the policy to 'non-browser-env'.
+ * If in a browser environment, fetches the policy from the current origin.
+ * Logs an error if the policy is 'same-origin'.
+ */
+const createCoopChecker = () => {
+  let crossOriginOpenerPolicy: string | undefined;
+
+  return {
+    getCrossOriginOpenerPolicy: () => {
+      if (crossOriginOpenerPolicy === undefined) {
+        return 'undefined';
+      }
+
+      return crossOriginOpenerPolicy;
+    },
+    checkCrossOriginOpenerPolicy: async () => {
+      if (typeof window === 'undefined') {
+        // Non-browser environment
+        crossOriginOpenerPolicy = 'non-browser-env';
+        return;
+      }
+
+      try {
+        const url = `${window.location.origin}${window.location.pathname}`;
+        const response = await fetch(url, {
+          method: 'HEAD',
+        });
+
+        if (!response.ok) {
+          throw new Error(`HTTP error! status: ${response.status}`);
+        }
+
+        const result = response.headers.get('Cross-Origin-Opener-Policy');
+        crossOriginOpenerPolicy = result ?? 'null';
+
+        if (crossOriginOpenerPolicy === 'same-origin') {
+          console.error(COOP_ERROR_MESSAGE);
+        }
+      } catch (error) {
+        console.error('Error checking Cross-Origin-Opener-Policy:', (error as Error).message);
+        crossOriginOpenerPolicy = 'error';
+      }
+    },
+  };
+};
+
+export const { checkCrossOriginOpenerPolicy, getCrossOriginOpenerPolicy } = createCoopChecker();
diff --git a/packages/wallet-sdk/src/util/crossOriginOpenerPolicy.ts b/packages/wallet-sdk/src/util/crossOriginOpenerPolicy.ts
deleted file mode 100644
index 0d9e282ba0..0000000000
--- a/packages/wallet-sdk/src/util/crossOriginOpenerPolicy.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-export function checkCrossOriginOpenerPolicy() {
-  if (typeof window === 'undefined') {
-    return;
-  }
-
-  fetch(window.location.origin, {}).then((response) => {
-    const headers = response.headers;
-    const crossOriginOpenerPolicy = headers.get('Cross-Origin-Opener-Policy');
-    if (crossOriginOpenerPolicy === 'same-origin') {
-      console.error(`Coinbase Wallet SDK requires the Cross-Origin-Opener-Policy header to not be set to 'same-origin'. This is to ensure that the SDK can communicate with the Coinbase Smart Wallet app.
-
-Please see https://www.smartwallet.dev/guides/tips/popup-tips#cross-origin-opener-policy for more information.`);
-    }
-  });
-}
diff --git a/packages/wallet-sdk/src/util/provider.ts b/packages/wallet-sdk/src/util/provider.ts
index 9ea783ac0f..ed3239cfe9 100644
--- a/packages/wallet-sdk/src/util/provider.ts
+++ b/packages/wallet-sdk/src/util/provider.ts
@@ -1,4 +1,4 @@
-import { LIB_VERSION } from '../version';
+import { NAME, VERSION } from '../sdk-info';
 import { standardErrors } from ':core/error';
 import { ConstructorOptions, ProviderInterface, RequestArguments } from ':core/provider/interface';
 
@@ -12,7 +12,11 @@ export async function fetchRPCRequest(request: RequestArguments, rpcUrl: string)
     method: 'POST',
     body: JSON.stringify(requestBody),
     mode: 'cors',
-    headers: { 'Content-Type': 'application/json', 'X-Cbw-Sdk-Version': LIB_VERSION },
+    headers: {
+      'Content-Type': 'application/json',
+      'X-Cbw-Sdk-Version': VERSION,
+      'X-Cbw-Sdk-Platform': NAME,
+    },
   });
   const { result, error } = await res.json();
   if (error) throw error;
diff --git a/packages/wallet-sdk/src/util/web.test.ts b/packages/wallet-sdk/src/util/web.test.ts
index cbfd4ec40f..dacfd7a5bf 100644
--- a/packages/wallet-sdk/src/util/web.test.ts
+++ b/packages/wallet-sdk/src/util/web.test.ts
@@ -1,6 +1,14 @@
+import { NAME, VERSION } from 'src/sdk-info';
+
+import { getCrossOriginOpenerPolicy } from './checkCrossOriginOpenerPolicy';
 import { closePopup, openPopup } from './web';
 import { standardErrors } from ':core/error';
 
+jest.mock('./checkCrossOriginOpenerPolicy');
+(getCrossOriginOpenerPolicy as jest.Mock).mockReturnValue('null');
+
+const mockOrigin = 'http://localhost';
+
 describe('PopupManager', () => {
   beforeAll(() => {
     global.window = Object.create(window);
@@ -11,6 +19,7 @@ describe('PopupManager', () => {
       screenY: { value: 0 },
       open: { value: jest.fn() },
       close: { value: jest.fn() },
+      location: { value: { origin: mockOrigin } },
     });
   });
 
@@ -31,6 +40,11 @@ describe('PopupManager', () => {
       'width=420, height=540, left=302, top=114'
     );
     expect(popup.focus).toHaveBeenCalledTimes(1);
+
+    expect(url.searchParams.get('sdkName')).toBe(NAME);
+    expect(url.searchParams.get('sdkVersion')).toBe(VERSION);
+    expect(url.searchParams.get('origin')).toBe(mockOrigin);
+    expect(url.searchParams.get('coop')).toBe('null');
   });
 
   it('should throw an error if popup fails to open', () => {
diff --git a/packages/wallet-sdk/src/util/web.ts b/packages/wallet-sdk/src/util/web.ts
index 70b8032f9e..982c121446 100644
--- a/packages/wallet-sdk/src/util/web.ts
+++ b/packages/wallet-sdk/src/util/web.ts
@@ -1,3 +1,5 @@
+import { NAME, VERSION } from '../sdk-info';
+import { getCrossOriginOpenerPolicy } from './checkCrossOriginOpenerPolicy';
 import { standardErrors } from ':core/error';
 
 const POPUP_WIDTH = 420;
@@ -9,15 +11,20 @@ export function openPopup(url: URL): Window {
   const left = (window.innerWidth - POPUP_WIDTH) / 2 + window.screenX;
   const top = (window.innerHeight - POPUP_HEIGHT) / 2 + window.screenY;
 
+  appendAppInfoQueryParams(url);
+
   const popup = window.open(
     url,
     'Smart Wallet',
     `width=${POPUP_WIDTH}, height=${POPUP_HEIGHT}, left=${left}, top=${top}`
   );
+
   popup?.focus();
+
   if (!popup) {
     throw standardErrors.rpc.internal('Pop up window failed to open');
   }
+
   return popup;
 }
 
@@ -27,8 +34,15 @@ export function closePopup(popup: Window | null) {
   }
 }
 
-/**
- * TODO: consolidate all UI related helper functions,
- * ones making window.xxx() document.yyy() calls.
- * e.g. WLMobileRelayUI, WalletLinkRelay, ...
- */
+function appendAppInfoQueryParams(url: URL) {
+  const params = {
+    sdkName: NAME,
+    sdkVersion: VERSION,
+    origin: window.location.origin,
+    coop: getCrossOriginOpenerPolicy(),
+  };
+
+  for (const [key, value] of Object.entries(params)) {
+    url.searchParams.append(key, value.toString());
+  }
+}
diff --git a/packages/wallet-sdk/src/version.ts b/packages/wallet-sdk/src/version.ts
deleted file mode 100644
index c2a0f8b068..0000000000
--- a/packages/wallet-sdk/src/version.ts
+++ /dev/null
@@ -1 +0,0 @@
-export const LIB_VERSION = '4.1.0';