diff --git a/Example/Tests/Methods/SendTransactionTests.swift b/Example/Tests/Methods/SendTransactionTests.swift
index 84ec4d1..572931f 100644
--- a/Example/Tests/Methods/SendTransactionTests.swift
+++ b/Example/Tests/Methods/SendTransactionTests.swift
@@ -11,7 +11,8 @@ import XCTest
 import BigInt
 
 class SendTransactionTests: XCTestCase {
-
+    
+    let platform = "sdk_ios"
     var mockUIApplication: MockUIApplication!
 
     override func setUp() {
@@ -52,7 +53,8 @@ class SendTransactionTests: XCTestCase {
             URLQueryItem(name: .from, value: from),
             URLQueryItem(name: .to, value: to),
             URLQueryItem(name: .value, value: "0x7b"),
-            URLQueryItem(name: .data, value: "0x" + dataString)
+            URLQueryItem(name: .data, value: "0x" + dataString),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
diff --git a/Example/Tests/URLEncode/EVMBaseMethodURLEncodeTests.swift b/Example/Tests/URLEncode/EVMBaseMethodURLEncodeTests.swift
index 3976227..dc8b016 100644
--- a/Example/Tests/URLEncode/EVMBaseMethodURLEncodeTests.swift
+++ b/Example/Tests/URLEncode/EVMBaseMethodURLEncodeTests.swift
@@ -13,6 +13,7 @@ import BigInt
 // swiftlint:disable type_body_length
 class EVMBaseMethodURLEncodeTests: XCTestCase {
     
+    let platform = "sdk_ios"
     func testURLComponent() throws {
         // Given:
         let item = URLQueryItem(name: .accountProof, value: "123 456 % 1")
@@ -38,7 +39,8 @@ class EVMBaseMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .appId, value: appId),
             URLQueryItem(name: .requestId, value: requestId.uuidString),
             URLQueryItem(name: .blockchain, value: Blockchain.ethereum.rawValue),
-            URLQueryItem(name: .method, value: MethodName.requestAccount.rawValue)
+            URLQueryItem(name: .method, value: MethodName.requestAccount.rawValue),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
@@ -74,7 +76,8 @@ class EVMBaseMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .method, value: EVMBaseMethodType.signMessage.rawValue),
             URLQueryItem(name: .signType, value: EVMBaseSignType.sign.rawValue),
             URLQueryItem(name: .from, value: ethereumAddress),
-            URLQueryItem(name: .message, value: message)
+            URLQueryItem(name: .message, value: message),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
@@ -110,7 +113,8 @@ class EVMBaseMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .method, value: EVMBaseMethodType.signMessage.rawValue),
             URLQueryItem(name: .signType, value: EVMBaseSignType.personalSign.rawValue),
             URLQueryItem(name: .from, value: ethereumAddress),
-            URLQueryItem(name: .message, value: message)
+            URLQueryItem(name: .message, value: message),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
@@ -211,7 +215,8 @@ class EVMBaseMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .method, value: EVMBaseMethodType.signMessage.rawValue),
             URLQueryItem(name: .signType, value: EVMBaseSignType.typedSignV3.rawValue),
             URLQueryItem(name: .from, value: ethereumAddress),
-            URLQueryItem(name: .message, value: message)
+            URLQueryItem(name: .message, value: message),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
@@ -331,7 +336,8 @@ class EVMBaseMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .method, value: EVMBaseMethodType.signMessage.rawValue),
             URLQueryItem(name: .signType, value: EVMBaseSignType.typedSignV4.rawValue),
             URLQueryItem(name: .from, value: ethereumAddress),
-            URLQueryItem(name: .message, value: message)
+            URLQueryItem(name: .message, value: message),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
@@ -370,7 +376,8 @@ class EVMBaseMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .from, value: ethereumAddress),
             URLQueryItem(name: .to, value: to),
             URLQueryItem(name: .value, value: "0x0"),
-            URLQueryItem(name: .data, value: "0x" + dataString)
+            URLQueryItem(name: .data, value: "0x" + dataString),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
@@ -409,7 +416,8 @@ class EVMBaseMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .from, value: ethereumAddress),
             URLQueryItem(name: .to, value: to),
             URLQueryItem(name: .value, value: "0x100"),
-            URLQueryItem(name: .data, value: "0x" + dataString)
+            URLQueryItem(name: .data, value: "0x" + dataString),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
diff --git a/Example/Tests/URLEncode/FlowMethodURLEncodeTests.swift b/Example/Tests/URLEncode/FlowMethodURLEncodeTests.swift
index 19afb87..094863d 100644
--- a/Example/Tests/URLEncode/FlowMethodURLEncodeTests.swift
+++ b/Example/Tests/URLEncode/FlowMethodURLEncodeTests.swift
@@ -12,7 +12,8 @@ import FlowSDK
 @testable import BloctoSDK
 
 final class FlowMethodURLEncodeTests: XCTestCase {
-
+    
+    let platform = "sdk_ios"
     func testFlowRequestAccount() throws {
         // Given:
         let requestId = UUID()
@@ -27,6 +28,7 @@ final class FlowMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .requestId, value: requestId.uuidString),
             URLQueryItem(name: .blockchain, value: Blockchain.flow.rawValue),
             URLQueryItem(name: .method, value: MethodName.requestAccount.rawValue),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
@@ -53,6 +55,7 @@ final class FlowMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .requestId, value: requestId.uuidString),
             URLQueryItem(name: .blockchain, value: Blockchain.flow.rawValue),
             URLQueryItem(name: .method, value: FlowMethodType.authenticate.rawValue),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
@@ -84,6 +87,7 @@ final class FlowMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .method, value: FlowMethodType.authenticate.rawValue),
             URLQueryItem(name: .flowAppId, value: appId),
             URLQueryItem(name: .flowNonce, value: nonce),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
@@ -120,6 +124,7 @@ final class FlowMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .method, value: FlowMethodType.userSignature.rawValue),
             URLQueryItem(name: .from, value: address),
             URLQueryItem(name: .message, value: message),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
@@ -173,6 +178,7 @@ final class FlowMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .method, value: FlowMethodType.sendTransaction.rawValue),
             URLQueryItem(name: .from, value: addressString),
             URLQueryItem(name: .flowTransaction, value: transactionDataHex),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
diff --git a/Example/Tests/URLEncode/SolanaMethodURLEncodeTests.swift b/Example/Tests/URLEncode/SolanaMethodURLEncodeTests.swift
index 16448f6..e66b30e 100644
--- a/Example/Tests/URLEncode/SolanaMethodURLEncodeTests.swift
+++ b/Example/Tests/URLEncode/SolanaMethodURLEncodeTests.swift
@@ -11,6 +11,7 @@ import XCTest
 
 class SolanaMethodURLEncodeTests: XCTestCase {
 
+    let platform = "sdk_ios"
     func testSolanaRequestAccount() throws {
         // Given:
         let requestId = UUID()
@@ -23,7 +24,8 @@ class SolanaMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .appId, value: appId),
             URLQueryItem(name: .requestId, value: requestId.uuidString),
             URLQueryItem(name: .blockchain, value: Blockchain.solana.rawValue),
-            URLQueryItem(name: .method, value: MethodName.requestAccount.rawValue)
+            URLQueryItem(name: .method, value: MethodName.requestAccount.rawValue),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
@@ -61,7 +63,8 @@ class SolanaMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .method, value: SolanaMethodType.signAndSendTransaction.rawValue),
             URLQueryItem(name: .from, value: solanaAddress),
             URLQueryItem(name: .isInvokeWrapped, value: "true"),
-            URLQueryItem(name: .message, value: messageHex)
+            URLQueryItem(name: .message, value: messageHex),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When:
@@ -117,7 +120,8 @@ class SolanaMethodURLEncodeTests: XCTestCase {
             URLQueryItem(name: .message, value: messageHex),
             URLQueryItem(name: "\(QueryName.appendTx.rawValue)[\(appendTxKey1)]", value: appendTxValue1),
             URLQueryItem(name: "\(QueryName.appendTx.rawValue)[\(appendTxKey2)]", value: appendTxValue2),
-            URLQueryItem(name: "\(QueryName.publicKeySignaturePairs.rawValue)[\(publicKey)]", value: signature)
+            URLQueryItem(name: "\(QueryName.publicKeySignaturePairs.rawValue)[\(publicKey)]", value: signature),
+            URLQueryItem(name: .platform, value: platform)
         ]
 
         // When: