diff --git a/app/src/androidTest/java/io/novafoundation/nova/PezkuwiIntegrationTest.kt b/app/src/androidTest/java/io/novafoundation/nova/PezkuwiIntegrationTest.kt
new file mode 100644
index 0000000..ef70359
--- /dev/null
+++ b/app/src/androidTest/java/io/novafoundation/nova/PezkuwiIntegrationTest.kt
@@ -0,0 +1,169 @@
+package io.novafoundation.nova
+
+import android.content.Context
+import androidx.test.core.app.ApplicationProvider
+import io.novafoundation.nova.common.di.FeatureUtils
+import io.novafoundation.nova.common.utils.balances
+import io.novafoundation.nova.feature_wallet_api.di.WalletFeatureApi
+import io.novafoundation.nova.runtime.ext.utilityAsset
+import io.novafoundation.nova.runtime.multiNetwork.ChainRegistry
+import io.novafoundation.nova.runtime.multiNetwork.chain.model.Chain
+import io.novafoundation.nova.runtime.multiNetwork.getRuntime
+import io.novasama.substrate_sdk_android.runtime.extrinsic.BatchMode
+import io.novasama.substrate_sdk_android.ss58.SS58Encoder.toAccountId
+import io.novafoundation.nova.runtime.ext.Geneses
+import org.junit.Assert.assertNotNull
+import org.junit.Assert.assertTrue
+import org.junit.Test
+import java.math.BigInteger
+
+/**
+ * End-to-end integration tests for Pezkuwi chain compatibility.
+ * These tests verify that:
+ * 1. Runtime loads correctly with proper types
+ * 2. Extrinsics can be built
+ * 3. Fee calculation works
+ * 4. Transfer extrinsics can be created
+ *
+ * Run with: ./gradlew :app:connectedAndroidTest -Pandroid.testInstrumentationRunnerArguments.class=io.novafoundation.nova.PezkuwiIntegrationTest
+ */
+class PezkuwiIntegrationTest : BaseIntegrationTest() {
+
+    private val walletApi = FeatureUtils.getFeature<WalletFeatureApi>(
+        ApplicationProvider.getApplicationContext<Context>(),
+        WalletFeatureApi::class.java
+    )
+
+    private val extrinsicBuilderFactory = runtimeApi.extrinsicBuilderFactory()
+    private val rpcCalls = runtimeApi.rpcCalls()
+
+    /**
+     * Test 1: Verify Pezkuwi Mainnet runtime loads with required types
+     */
+    @Test
+    fun testPezkuwiMainnetRuntimeTypes() = runTest {
+        val chain = chainRegistry.getChain(Chain.Geneses.PEZKUWI)
+        val runtime = chainRegistry.getRuntime(chain.id)
+
+        // Verify critical types exist
+        val extrinsicSignature = runtime.typeRegistry["ExtrinsicSignature"]
+        assertNotNull("ExtrinsicSignature type should exist", extrinsicSignature)
+
+        val multiSignature = runtime.typeRegistry["MultiSignature"]
+        assertNotNull("MultiSignature type should exist", multiSignature)
+
+        val multiAddress = runtime.typeRegistry["MultiAddress"]
+        assertNotNull("MultiAddress type should exist", multiAddress)
+
+        val address = runtime.typeRegistry["Address"]
+        assertNotNull("Address type should exist", address)
+
+        println("Pezkuwi Mainnet: All required types present")
+        println("TypeRegistry size: ${runtime.typeRegistry.keys.size}")
+    }
+
+    /**
+     * Test 2: Verify Pezkuwi Asset Hub runtime loads with required types
+     */
+    @Test
+    fun testPezkuwiAssetHubRuntimeTypes() = runTest {
+        val chain = chainRegistry.getChain(Chain.Geneses.PEZKUWI_ASSET_HUB)
+        val runtime = chainRegistry.getRuntime(chain.id)
+
+        val extrinsicSignature = runtime.typeRegistry["ExtrinsicSignature"]
+        assertNotNull("ExtrinsicSignature type should exist", extrinsicSignature)
+
+        val address = runtime.typeRegistry["Address"]
+        assertNotNull("Address type should exist", address)
+
+        println("Pezkuwi Asset Hub: All required types present")
+    }
+
+    /**
+     * Test 3: Verify extrinsic builder can be created for Pezkuwi
+     */
+    @Test
+    fun testPezkuwiExtrinsicBuilderCreation() = runTest {
+        val chain = chainRegistry.getChain(Chain.Geneses.PEZKUWI)
+
+        val builder = extrinsicBuilderFactory.create(
+            chain = chain,
+            options = io.novafoundation.nova.runtime.extrinsic.ExtrinsicBuilderFactory.Options(
+                batchMode = BatchMode.BATCH_ALL
+            )
+        )
+
+        assertNotNull("ExtrinsicBuilder should be created", builder)
+        println("Pezkuwi ExtrinsicBuilder created successfully")
+    }
+
+    /**
+     * Test 4: Verify transfer call can be constructed
+     */
+    @Test
+    fun testPezkuwiTransferCallConstruction() = runTest {
+        val chain = chainRegistry.getChain(Chain.Geneses.PEZKUWI)
+        val runtime = chainRegistry.getRuntime(chain.id)
+
+        // Check if balances module exists
+        val balancesModule = runtime.metadata.modules.find {
+            it.name.equals("Balances", ignoreCase = true)
+        }
+        assertNotNull("Balances module should exist", balancesModule)
+
+        // Check transfer call exists
+        val hasTransferKeepAlive = balancesModule?.calls?.any {
+            it.key.equals("transfer_keep_alive", ignoreCase = true)
+        } ?: false
+
+        val hasTransferAllowDeath = balancesModule?.calls?.any {
+            it.key.equals("transfer_allow_death", ignoreCase = true) ||
+            it.key.equals("transfer", ignoreCase = true)
+        } ?: false
+
+        assertTrue("Transfer call should exist", hasTransferKeepAlive || hasTransferAllowDeath)
+
+        println("Pezkuwi transfer call found: transfer_keep_alive=$hasTransferKeepAlive, transfer_allow_death=$hasTransferAllowDeath")
+    }
+
+    /**
+     * Test 5: Verify signed extensions are properly handled
+     */
+    @Test
+    fun testPezkuwiSignedExtensions() = runTest {
+        val chain = chainRegistry.getChain(Chain.Geneses.PEZKUWI)
+        val runtime = chainRegistry.getRuntime(chain.id)
+
+        val signedExtensions = runtime.metadata.extrinsic.signedExtensions.map { it.id }
+        println("Pezkuwi signed extensions: $signedExtensions")
+
+        // Verify Pezkuwi-specific extensions
+        val hasAuthorizeCall = signedExtensions.contains("AuthorizeCall")
+        println("Has AuthorizeCall extension: $hasAuthorizeCall")
+
+        // Standard extensions should also be present
+        val hasCheckMortality = signedExtensions.contains("CheckMortality")
+        val hasCheckNonce = signedExtensions.contains("CheckNonce")
+
+        assertTrue("CheckMortality should exist", hasCheckMortality)
+        assertTrue("CheckNonce should exist", hasCheckNonce)
+    }
+
+    /**
+     * Test 6: Verify utility asset is properly configured
+     */
+    @Test
+    fun testPezkuwiUtilityAsset() = runTest {
+        val chain = chainRegistry.getChain(Chain.Geneses.PEZKUWI)
+
+        val utilityAsset = chain.utilityAsset
+        assertNotNull("Utility asset should exist", utilityAsset)
+
+        println("Pezkuwi utility asset: ${utilityAsset.symbol}, precision: ${utilityAsset.precision}")
+    }
+
+    // Helper extension
+    private suspend fun ChainRegistry.pezkuwiMainnet(): Chain {
+        return getChain(Chain.Geneses.PEZKUWI)
+    }
+}