diff --git a/packages/dapp-connector/src/WalletApi/Cip30Wallet.ts b/packages/dapp-connector/src/WalletApi/Cip30Wallet.ts
index 0f44f186148..442713821d6 100644
--- a/packages/dapp-connector/src/WalletApi/Cip30Wallet.ts
+++ b/packages/dapp-connector/src/WalletApi/Cip30Wallet.ts
@@ -2,7 +2,9 @@ import { APIErrorCode, ApiError } from '../errors';
 import {
   Bytes,
   Cbor,
+  Cip142WalletApi,
   Cip30WalletApiWithPossibleExtensions,
+  Cip95WalletApi,
   CipExtensionApis,
   Paginate,
   WalletApi,
@@ -28,7 +30,8 @@ export const CipMethodsMapping: Record<number, WalletMethod[]> = {
     'signData',
     'submitTx'
   ],
-  95: ['getRegisteredPubStakeKeys', 'getUnregisteredPubStakeKeys', 'getPubDRepKey', 'signData']
+  95: ['getRegisteredPubStakeKeys', 'getUnregisteredPubStakeKeys', 'getPubDRepKey', 'signData'],
+  142: ['getNetworkMagic']
 };
 export const WalletApiMethodNames: WalletMethod[] = Object.values(CipMethodsMapping).flat();
 
@@ -79,7 +82,7 @@ export class Cip30Wallet {
   readonly name: WalletName;
   readonly icon: WalletIcon;
   /** Support the full api by default */
-  readonly supportedExtensions: WalletApiExtension[] = [{ cip: 95 }];
+  readonly supportedExtensions: WalletApiExtension[] = [{ cip: 95 }, { cip: 142 }];
 
   readonly #logger: Logger;
   readonly #api: WalletApi;
@@ -195,6 +198,9 @@ export class Cip30Wallet {
         getUnregisteredPubStakeKeys: () => walletApi.getUnregisteredPubStakeKeys(),
         signData: (addr: Cardano.PaymentAddress | Cardano.RewardAccount | Bytes, payload: Bytes) =>
           walletApi.signData(addr, payload)
+      },
+      cip142: {
+        getNetworkMagic: () => walletApi.getNetworkMagic()
       }
     };
 
@@ -202,7 +208,7 @@ export class Cip30Wallet {
       for (const extension of enabledExtensions) {
         const cipName = `cip${extension.cip}` as keyof CipExtensionApis;
         if (additionalCipApis[cipName]) {
-          baseApi[cipName] = additionalCipApis[cipName];
+          baseApi[cipName] = additionalCipApis[cipName] as Cip95WalletApi & Cip142WalletApi;
         }
       }
     }
diff --git a/packages/dapp-connector/src/WalletApi/types.ts b/packages/dapp-connector/src/WalletApi/types.ts
index c5144aed7c5..baa4ab51daf 100644
--- a/packages/dapp-connector/src/WalletApi/types.ts
+++ b/packages/dapp-connector/src/WalletApi/types.ts
@@ -206,11 +206,16 @@ export interface Cip95WalletApi {
   signData: SignData;
 }
 
-export type WalletApi = Cip30WalletApi & Cip95WalletApi;
+export interface Cip142WalletApi {
+  getNetworkMagic: () => Promise<Cardano.NetworkMagics>;
+}
+
+export type WalletApi = Cip30WalletApi & Cip95WalletApi & Cip142WalletApi;
 export type WalletMethod = keyof WalletApi;
 
 export interface CipExtensionApis {
   cip95: Cip95WalletApi;
+  cip142: Cip142WalletApi;
 }
 
 export type Cip30WalletApiWithPossibleExtensions = Cip30WalletApi & Partial<CipExtensionApis>;
diff --git a/packages/dapp-connector/test/WalletApi/Cip30Wallet.test.ts b/packages/dapp-connector/test/WalletApi/Cip30Wallet.test.ts
index 0369e92bb0d..b8d6b260718 100644
--- a/packages/dapp-connector/test/WalletApi/Cip30Wallet.test.ts
+++ b/packages/dapp-connector/test/WalletApi/Cip30Wallet.test.ts
@@ -53,7 +53,7 @@ describe('Wallet', () => {
     expect(wallet.apiVersion).toBe('0.1.0');
     expect(typeof wallet.name).toBe('string');
     expect(wallet.name).toBe(testWallet.properties.walletName);
-    expect(wallet.supportedExtensions).toEqual<WalletApiExtension[]>([{ cip: 95 }]);
+    expect(wallet.supportedExtensions).toEqual<WalletApiExtension[]>([{ cip: 95 }, { cip: 142 }]);
     expect(typeof wallet.isEnabled).toBe('function');
     const isEnabled = await wallet.isEnabled();
     expect(typeof isEnabled).toBe('boolean');
@@ -98,6 +98,30 @@ describe('Wallet', () => {
       expect(await api.getExtensions()).toEqual([{ cip: 95 }]);
     });
 
+    test('with cip142 extension', async () => {
+      const api = await wallet.enable({ extensions: [{ cip: 142 }] });
+      expect(typeof api).toBe('object');
+      const methods = new Set(Object.keys(api));
+      expect(methods).toEqual(new Set([...CipMethodsMapping[30], 'cip142', 'experimental']));
+      const cip142Methods = new Set(Object.keys(api.cip142!));
+      expect(cip142Methods).toEqual(new Set(CipMethodsMapping[142]));
+      expect(await wallet.isEnabled()).toBe(true);
+      expect(await api.getExtensions()).toEqual([{ cip: 142 }]);
+    });
+
+    test('with cip95 and cip142 extensions', async () => {
+      const api = await wallet.enable({ extensions: [{ cip: 95 }, { cip: 142 }] });
+      expect(typeof api).toBe('object');
+      const methods = new Set(Object.keys(api));
+      expect(methods).toEqual(new Set([...CipMethodsMapping[30], 'cip95', 'cip142', 'experimental']));
+      const cip95Methods = new Set(Object.keys(api.cip95!));
+      expect(cip95Methods).toEqual(new Set(CipMethodsMapping[95]));
+      const cip142Methods = new Set(Object.keys(api.cip142!));
+      expect(cip142Methods).toEqual(new Set(CipMethodsMapping[142]));
+      expect(await wallet.isEnabled()).toBe(true);
+      expect(await api.getExtensions()).toEqual([{ cip: 95 }, { cip: 142 }]);
+    });
+
     test('no extensions wallet cannot enable cip95 extension', async () => {
       const api = await walletNoExtensions.enable({ extensions: [{ cip: 95 }] });
       expect(await walletNoExtensions.isEnabled()).toBe(true);
@@ -112,13 +136,15 @@ describe('Wallet', () => {
       expect(await wallet.isEnabled()).toBe(true);
       expect(await cip30api.getExtensions()).toEqual([]);
 
-      const cip95api = await wallet.enable({ extensions: [{ cip: 95 }] });
-      const cip95methods = new Set(Object.keys(cip95api));
-      expect(cip95methods).toEqual(new Set([...CipMethodsMapping[30], 'cip95', 'experimental']));
-      const cip95InnerMethods = new Set(Object.keys(cip95api.cip95!));
+      const apiWithExtension = await wallet.enable({ extensions: [{ cip: 95 }, { cip: 142 }] });
+      const cip95methods = new Set(Object.keys(apiWithExtension));
+      expect(cip95methods).toEqual(new Set([...CipMethodsMapping[30], 'cip95', 'cip142', 'experimental']));
+      const cip95InnerMethods = new Set(Object.keys(apiWithExtension.cip95!));
       expect(cip95InnerMethods).toEqual(new Set(CipMethodsMapping[95]));
+      const cip142Methods = new Set(Object.keys(apiWithExtension.cip142!));
+      expect(cip142Methods).toEqual(new Set(CipMethodsMapping[142]));
       expect(await wallet.isEnabled()).toBe(true);
-      expect(await cip95api.getExtensions()).toEqual([{ cip: 95 }]);
+      expect(await apiWithExtension.getExtensions()).toEqual([{ cip: 95 }, { cip: 142 }]);
     });
 
     test('unsupported extensions does not reject and returns cip30 methods', async () => {
diff --git a/packages/dapp-connector/test/testWallet.ts b/packages/dapp-connector/test/testWallet.ts
index f66b48a5748..9edb83d010f 100644
--- a/packages/dapp-connector/test/testWallet.ts
+++ b/packages/dapp-connector/test/testWallet.ts
@@ -1,7 +1,6 @@
 import { Cardano, Serialization } from '@cardano-sdk/core';
-import { Cip30DataSignature, WalletApi, WalletProperties } from '../src/WalletApi';
+import { Cip30DataSignature, RemoteAuthenticator, WalletApi, WalletProperties } from '../src';
 import { Ed25519PublicKeyHex } from '@cardano-sdk/crypto';
-import { RemoteAuthenticator } from '../src';
 
 export const api = <WalletApi>{
   getBalance: async () => '100',
@@ -9,6 +8,7 @@ export const api = <WalletApi>{
   getCollateral: async () => null,
   getExtensions: async () => [{ cip: 95 }],
   getNetworkId: async () => 0,
+  getNetworkMagic: async () => Cardano.NetworkMagics.Preprod,
   getPubDRepKey: async () => 'getPubDRepKey' as Ed25519PublicKeyHex,
   getRegisteredPubStakeKeys: async () =>
     ['registeredPubStakeKey-1', 'registeredPubStakeKey-2'] as Ed25519PublicKeyHex[],
diff --git a/packages/e2e/test/web-extension/extension/stubWalletApi.ts b/packages/e2e/test/web-extension/extension/stubWalletApi.ts
index 69ff0e1b5e9..e9fe3b3d539 100644
--- a/packages/e2e/test/web-extension/extension/stubWalletApi.ts
+++ b/packages/e2e/test/web-extension/extension/stubWalletApi.ts
@@ -26,8 +26,9 @@ export const stubWalletApi: WalletApi = {
         }
       ]
     ]),
-  getExtensions: async () => [{ cip: 95 }],
+  getExtensions: async () => [{ cip: 95 }, { cip: 142 }],
   getNetworkId: async () => 0,
+  getNetworkMagic: async () => Cardano.NetworkMagics.Mainnet,
   getPubDRepKey: async () => Ed25519PublicKeyHex('deeb8f82f2af5836ebbc1b450b6dbf0b03c93afe5696f10d49e8a8304ebfac01'),
   getRegisteredPubStakeKeys: async () => [
     Ed25519PublicKeyHex('deeb8f82f2af5836ebbc1b450b6dbf0b03c93afe5696f10d49e8a8304ebfac01')
diff --git a/packages/wallet/src/cip30.ts b/packages/wallet/src/cip30.ts
index dd7e6fcde09..4716c8b0bb1 100644
--- a/packages/wallet/src/cip30.ts
+++ b/packages/wallet/src/cip30.ts
@@ -3,6 +3,7 @@ import {
   ApiError,
   Bytes,
   Cbor,
+  Cip142WalletApi,
   Cip30DataSignature,
   Cip95WalletApi,
   DataSignError,
@@ -573,11 +574,28 @@ const extendedCip95WalletApi = (
   }
 });
 
+const extendedCip142WalletApi = (
+  wallet$: Observable<ObservableWallet>,
+  { logger }: Cip30WalletDependencies
+): Cip142WalletApi => ({
+  getNetworkMagic: async () => {
+    try {
+      const wallet = await firstValueFrom(wallet$);
+      const genesisParameters = await firstValueFrom(wallet.genesisParameters$);
+      return genesisParameters.networkMagic;
+    } catch (error) {
+      logger.error(error);
+      throw new ApiError(APIErrorCode.InternalError, formatUnknownError(error));
+    }
+  }
+});
+
 export const createWalletApi = (
   wallet$: Observable<ObservableWallet>,
   confirmationCallback: CallbackConfirmation,
   { logger }: Cip30WalletDependencies
 ): WithSenderContext<WalletApi> => ({
   ...baseCip30WalletApi(wallet$, confirmationCallback, { logger }),
-  ...extendedCip95WalletApi(wallet$, { logger })
+  ...extendedCip95WalletApi(wallet$, { logger }),
+  ...extendedCip142WalletApi(wallet$, { logger })
 });
diff --git a/packages/wallet/test/integration/cip30mapping.test.ts b/packages/wallet/test/integration/cip30mapping.test.ts
index 370f4cf913a..82219fb62a5 100644
--- a/packages/wallet/test/integration/cip30mapping.test.ts
+++ b/packages/wallet/test/integration/cip30mapping.test.ts
@@ -753,6 +753,13 @@ describe('cip30', () => {
         const extensions = await api.getExtensions(context);
         expect(extensions).toEqual([{ cip: 95 }]);
       });
+
+      describe('api.getNetworkMagic', () => {
+        it('returns the network magic', async () => {
+          const networkMagic = await api.getNetworkMagic(context);
+          expect(networkMagic).toEqual(Cardano.NetworkMagics.Mainnet);
+        });
+      });
     });
 
     describe('confirmation callbacks', () => {
diff --git a/yarn-project.nix b/yarn-project.nix
index 7b93fa06ec4..aa17c2bffdd 100644
--- a/yarn-project.nix
+++ b/yarn-project.nix
@@ -441,7 +441,7 @@ cacheEntries = {
 "@emurgo/cip14-js@npm:3.0.1" = { filename = "@emurgo-cip14-js-npm-3.0.1-6011030ea2-9eaf312410.zip"; sha512 = "9eaf3124108e8c252a745de9ef1f334ab26a32271077b00fe0ea2a06e40838dd435165dac523ebd4d851ae7a94d8c56766dabc372aabffedd36551c798c607c5"; };
 "@endemolshinegroup/cosmiconfig-typescript-loader@npm:3.0.2" = { filename = "@endemolshinegroup-cosmiconfig-typescript-loader-npm-3.0.2-97436e68fc-7fe0198622.zip"; sha512 = "7fe0198622b1063c40572034df7e8ba867865a1b4815afe230795929abcf785758b34d7806a8e2100ba8ab4e92c5a1c3e11a980c466c4406df6e7ec6e50df8b6"; };
 "@es-joy/jsdoccomment@npm:0.10.8" = { filename = "@es-joy-jsdoccomment-npm-0.10.8-d03c65b162-3e144ef393.zip"; sha512 = "3e144ef393459a541b64f6c9c8e62fb6d9b47e1a2c626410487ede12c472064f6ce6e0911df60b42ccf126d5a66102707eef59ca14767cb7aeb5e608b227558d"; };
-"@esbuild/linux-x64@npm:0.21.5" = { filename = "@esbuild-linux-x64-npm-0.21.5-88079726c4-8.zip"; sha512 = "91c202dca064909b2c56522f98e3a3b24bc5d43405506b4e67923ecb5d0cc2b78dcee8d815f705d71395402f8532670a391777a3cf6a08894049e453becf07a0"; };
+"@esbuild/darwin-arm64@npm:0.21.5" = { filename = "@esbuild-darwin-arm64-npm-0.21.5-62349c1520-8.zip"; sha512 = "50d5d633be3d0fe0fce54c4740171ae6d2e8f5220280a6f6996f234c718de25535e50a31cee1745b5b80f2cc9e336c42c7fc2b49f3ea38b5f3ff5d8c97ef4123"; };
 "@eslint/eslintrc@npm:0.4.3" = { filename = "@eslint-eslintrc-npm-0.4.3-ee1bbcab87-03a7704150.zip"; sha512 = "03a7704150b868c318aab6a94d87a33d30dc2ec579d27374575014f06237ba1370ae11178db772f985ef680d469dc237e7b16a1c5d8edaaeb8c3733e7a95a6d3"; };
 "@ethereumjs/common@npm:4.4.0" = { filename = "@ethereumjs-common-npm-4.4.0-ee991f5124-6b8cbfcfb5.zip"; sha512 = "6b8cbfcfb5bdde839545c89dce3665706733260e26455d0eb3bcbc3c09e371ae629d51032b95d86f2aeeb15325244a6622171f9005165266fefd923eaa99f1c5"; };
 "@ethereumjs/rlp@npm:5.0.2" = { filename = "@ethereumjs-rlp-npm-5.0.2-72fb389b37-b569061ddb.zip"; sha512 = "b569061ddb1f4cf56a82f7a677c735ba37f9e94e2bbaf567404beb9e2da7aa1f595e72fc12a17c61f7aec67fd5448443efe542967c685a2fe0ffc435793dcbab"; };
@@ -1461,6 +1461,8 @@ cacheEntries = {
 "fs.realpath@npm:1.0.0" = { filename = "fs.realpath-npm-1.0.0-c8f05d8126-99ddea01a7.zip"; sha512 = "99ddea01a7e75aa276c250a04eedeffe5662bce66c65c07164ad6264f9de18fb21be9433ead460e54cff20e31721c811f4fb5d70591799df5f85dce6d6746fd0"; };
 "fsevents@npm:2.3.2" = { filename = "fsevents-npm-2.3.2-a881d6ac9f-97ade64e75.zip"; sha512 = "97ade64e75091afee5265e6956cb72ba34db7819b4c3e94c431d4be2b19b8bb7a2d4116da417950c3425f17c8fe693d25e20212cac583ac1521ad066b77ae31f"; };
 "fsevents@npm:2.3.3" = { filename = "fsevents-npm-2.3.3-ce9fb0ffae-11e6ea6fea.zip"; sha512 = "11e6ea6fea15e42461fc55b4b0e4a0a3c654faa567f1877dbd353f39156f69def97a69936d1746619d656c4b93de2238bf731f6085a03a50cabf287c9d024317"; };
+"fsevents@patch:fsevents@npm%3A2.3.2#~builtin<compat/fsevents>::version=2.3.2&hash=18f3a7" = { filename = "fsevents-patch-3340e2eb10-8.zip"; sha512 = "edbd0fd80be379c14409605f77e52fdc78a119e17f875e8b90a220c3e5b29e54a1477c21d91fd30b957ea4866406dc3ff87b61432d2840ff8866b309e5866140"; };
+"fsevents@patch:fsevents@npm%3A2.3.3#~builtin<compat/fsevents>::version=2.3.3&hash=18f3a7" = { filename = "fsevents-patch-7934e3c202-8.zip"; sha512 = "4639e24e2774cbd3669bd08521e0eeeb9d05bbabffdfdee418cc75a237660bc2fb30520a266ad5379199e2d657f430dd4236ad3642674ef32f20cc7258506725"; };
 "ftp@npm:0.3.10" = { filename = "ftp-npm-0.3.10-348fb9ac23-ddd313c1d4.zip"; sha512 = "ddd313c1d44eb7429f3a7d77a0155dc8fe86a4c64dca58f395632333ce4b4e74c61413c6e0ef66ea3f3d32d905952fbb6d028c7117d522f793eb1fa282e17357"; };
 "function-bind@npm:1.1.1" = { filename = "function-bind-npm-1.1.1-b56b322ae9-b32fbaebb3.zip"; sha512 = "b32fbaebb3f8ec4969f033073b43f5c8befbb58f1a79e12f1d7490358150359ebd92f49e72ff0144f65f2c48ea2a605bff2d07965f548f6474fd8efd95bf361a"; };
 "function.prototype.name@npm:1.1.5" = { filename = "function.prototype.name-npm-1.1.5-e776a642bb-acd21d733a.zip"; sha512 = "acd21d733a9b649c2c442f067567743214af5fa248dbeee69d8278ce7df3329ea5abac572be9f7470b4ec1cd4d8f1040e3c5caccf98ebf2bf861a0deab735c27"; };