diff --git a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthSdkTestHelper.m b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthSdkTestHelper.m
index 6b33d7cf..3a406356 100644
--- a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthSdkTestHelper.m
+++ b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthSdkTestHelper.m
@@ -776,6 +776,7 @@ - (BOOL) validateTokenHeader:(PowerAuthAuthorizationHttpHeader*)header
     validationRequest.tokenDigest       = parsedHeader[@"token_digest"];
     validationRequest.nonce             = parsedHeader[@"nonce"];
     validationRequest.timestamp         = parsedHeader[@"timestamp"];
+    validationRequest.protocolVersion   = parsedHeader[@"version"];
     PATSTokenValidationResponse * validationResponse = [_testServerApi validateTokenRequest:validationRequest];
     XCTAssertTrue(validationResponse.tokenValid == expectedResult);
     if (expectedResult) {
diff --git a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerAPI.m b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerAPI.m
index bebab6d6..76d5e8a2 100644
--- a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerAPI.m
+++ b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerAPI.m
@@ -54,6 +54,7 @@ - (BOOL) validateConnection
         return NO;
     }
     _testServerConfig.serverApiVersion = [_rest applyServerVersion:systemStatus.version];
+    _testServerConfig.serverMaxProtovolVersion = PATSProtoVer(_testServerConfig.serverApiVersion);
     _serverVersion = _testServerConfig.serverApiVersion;
     
     NSArray<PATSApplication*>* applicationList = [self getApplicationList];
@@ -346,7 +347,12 @@ - (BOOL) verifyECDSASignature:(NSString*)activationId data:(NSData*)data signatu
 - (PATSTokenValidationResponse*) validateTokenRequest:(PATSTokenValidationRequest*)request
 {
     [self checkForValidConnection];
-    NSArray * params = @[ request.tokenIdentifier, request.tokenDigest, request.nonce, request.timestamp ];
+    NSArray * params;
+    if (_testServerConfig.serverMaxProtovolVersion == PATS_P32) {
+        params = @[ request.tokenIdentifier, request.tokenDigest, request.nonce, request.timestamp, request.protocolVersion];
+    } else {
+        params = @[ request.tokenIdentifier, request.tokenDigest, request.nonce, request.timestamp];
+    }
     return [_rest request:@"TokenValidate" params:params];
 }
 
diff --git a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerConfig.h b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerConfig.h
index 6ecd68bc..0187d25d 100644
--- a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerConfig.h
+++ b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerConfig.h
@@ -40,6 +40,7 @@ typedef NS_ENUM(int, PowerAuthProtocolVersion) {
     PATS_P2,        // V2 crypto
     PATS_P3,        // V3 crypto
     PATS_P31,       // V3.1 crypto
+    PATS_P32,       // V3.2 crypto
 };
 
 /**
@@ -74,6 +75,10 @@ extern PowerAuthProtocolVersion PATSProtoVer(PowerAuthTestServerVersion serverVe
  "V2" is the default value. Loaded after the connection to server is established.
  */
 @property (nonatomic, assign) PowerAuthTestServerVersion serverApiVersion;
+/**
+ Maximum supported protocol version.
+ */
+@property (nonatomic, assign) PowerAuthProtocolVersion serverMaxProtovolVersion;
 /**
  A name for application, which will be used on the PA2 server.
  Default value is @"AutomaticTest-IOS"
diff --git a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerConfig.m b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerConfig.m
index c1cbf877..17352019 100644
--- a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerConfig.m
+++ b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerConfig.m
@@ -53,6 +53,9 @@ + (instancetype) loadFromJsonFile:(NSString *)path
 
 PowerAuthProtocolVersion PATSProtoVer(PowerAuthTestServerVersion serverVer)
 {
+    if (serverVer >= PATS_V1_5) {
+        return PATS_P32;
+    }
     return PATS_P31;
 }
 
diff --git a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerModel.h b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerModel.h
index 2142263b..a2927c7a 100644
--- a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerModel.h
+++ b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/PowerAuthTestServerModel.h
@@ -177,6 +177,7 @@ extern NSString * PATSActivationOtpValidationEnumToString(PATSActivationOtpValid
 
 @interface PATSTokenValidationRequest : NSObject
 
+@property (nonatomic, strong) NSString * protocolVersion;
 @property (nonatomic, strong) NSString * tokenIdentifier;
 @property (nonatomic, strong) NSString * tokenDigest;
 @property (nonatomic, strong) NSString * nonce;
diff --git a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/CreateApplication_v10.json b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/CreateApplication_v10.json
index e0e759bc..66312b31 100644
--- a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/CreateApplication_v10.json
+++ b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/CreateApplication_v10.json
@@ -4,13 +4,10 @@
         "applicationName" 
     ],
     "response": {
-        "class": "array",
-        "arrayClass": { 
-            "class": "PATSApplication",
-            "properties": {
-                "applicationId":   { "class" : "string" },
-                "applicationName": { "class" : "string" }
-            }
+        "class": "PATSApplication",
+        "properties": {
+            "applicationId":   { "class" : "string" },
+            "applicationName": { "class" : "string" }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/CreateApplication_v13.json b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/CreateApplication_v13.json
index 1f3323b0..bd3f24e3 100644
--- a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/CreateApplication_v13.json
+++ b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/CreateApplication_v13.json
@@ -4,13 +4,10 @@
         "applicationId" 
     ],
     "response": {
-        "class": "array",
-        "arrayClass": { 
-            "class": "PATSApplication",
-            "properties": {
-                "applicationId":   { "class" : "string" },
-                "applicationName": { "class" : "string", "key" : "applicationId" }
-            }
+        "class": "PATSApplication",
+        "properties": {
+            "applicationId":   { "class" : "string" },
+            "applicationName": { "class" : "string", "key" : "applicationId" }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/TokenValidate_v10.json b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/TokenValidate_v10.json
new file mode 100644
index 00000000..9037ff8f
--- /dev/null
+++ b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/TokenValidate_v10.json
@@ -0,0 +1,19 @@
+{
+    "path": "/rest/v3/token/validate",
+    "parameters": [
+        "tokenId",
+        "tokenDigest",
+        "nonce",
+        "timestamp"
+    ],
+    "response": {
+        "class": "PATSTokenValidationResponse",
+        "properties": {
+            "tokenValid":       { "class" : "bool" },
+            "activationId":     { "class" : "string" },
+            "userId":           { "class" : "string" },
+            "applicationId":    { "class" : "string" },
+            "signatureType":    { "class" : "string" }
+        }
+    }
+}
diff --git a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/TokenValidate_v15.json b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/TokenValidate_v15.json
new file mode 100644
index 00000000..60f4c3b1
--- /dev/null
+++ b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/TokenValidate_v15.json
@@ -0,0 +1,20 @@
+{
+    "path": "/rest/v3/token/validate",
+    "parameters": [
+        "tokenId",
+        "tokenDigest",
+        "nonce",
+        "timestamp",
+        "protocolVersion"
+    ],
+    "response": {
+        "class": "PATSTokenValidationResponse",
+        "properties": {
+            "tokenValid":       { "class" : "bool" },
+            "activationId":     { "class" : "string" },
+            "userId":           { "class" : "string" },
+            "applicationId":    { "class" : "string" },
+            "signatureType":    { "class" : "string" }
+        }
+    }
+}
diff --git a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/mappings.json b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/mappings.json
index db7ac159..ce3f4458 100644
--- a/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/mappings.json
+++ b/proj-xcode/PowerAuth2IntegrationTests/PowerAuthServer/RestEndpoints.bundle/mappings.json
@@ -19,7 +19,8 @@
             "GetApplicationDetail":         "GetApplicationDetail_v10",
             "CreateApplicationVersion":     "CreateApplicationVersion_v10",
             "SupportApplicationVersion":    "SupportApplicationVersion_v10",
-            "UnsupportApplicationVersion":  "UnsupportApplicationVersion_v10"
+            "UnsupportApplicationVersion":  "UnsupportApplicationVersion_v10",
+            "TokenValidate":                "TokenValidate_v10"
         },
         "v13": {
             "GetApplicationList":           "GetApplicationList_v13",
@@ -27,11 +28,13 @@
             "GetApplicationDetail":         "GetApplicationDetail_v13",
             "CreateApplicationVersion":     "CreateApplicationVersion_v13",
             "SupportApplicationVersion":    "SupportApplicationVersion_v13",
-            "UnsupportApplicationVersion":  "UnsupportApplicationVersion_v13"
+            "UnsupportApplicationVersion":  "UnsupportApplicationVersion_v13",
+            "TokenValidate":                "TokenValidate_v10"
         },
         "v15": { "#base": "v13",
             "GetApplicationDetail":         "GetApplicationDetail_v15",
-            "CreateApplicationVersion":     "CreateApplicationVersion_v15"
+            "CreateApplicationVersion":     "CreateApplicationVersion_v15",
+            "TokenValidate":                "TokenValidate_v15"
         }
     }   
 }