diff --git a/aconnect/src/main/java/com/mfsys/aconnect/client/service/ThirdPartyUserService.java b/aconnect/src/main/java/com/mfsys/aconnect/client/service/ThirdPartyUserService.java
index d492fdf..d5c68a6 100644
--- a/aconnect/src/main/java/com/mfsys/aconnect/client/service/ThirdPartyUserService.java
+++ b/aconnect/src/main/java/com/mfsys/aconnect/client/service/ThirdPartyUserService.java
@@ -4,6 +4,9 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.mfsys.aconnect.client.dto.ThirdPartyUserDTO;
 import com.mfsys.aconnect.configuration.config.WebClientConfig;
 import com.mfsys.aconnect.usermanagement.dto.UserDTOs;
+import com.mfsys.aconnect.usermanagement.exceptions.EmailAlreadyExistException;
+import com.mfsys.aconnect.usermanagement.exceptions.UsernameAlreadyExistException;
+import com.mfsys.aconnect.usermanagement.repository.UserRepository;
 import com.mfsys.aconnect.usermanagement.model.Role;
 import com.mfsys.aconnect.usermanagement.service.UserService;
 import org.springframework.beans.factory.annotation.Value;
@@ -23,16 +26,25 @@ public class ThirdPartyUserService {
     private final WebClientConfig webClientConfig;
     private final UserService userService;
     private final ObjectMapper objectMapper;
+    private final UserRepository userRepository;
 
-    public ThirdPartyUserService(WebClientConfig webClientConfig, UserService userService, ObjectMapper objectMapper){
+    public ThirdPartyUserService(WebClientConfig webClientConfig, UserService userService, ObjectMapper objectMapper, UserRepository userRepository){
         this.webClientConfig = webClientConfig;
         this.userService = userService;
         this.objectMapper = objectMapper;
+        this.userRepository = userRepository;
     }
 
     public Object createThirdPartyUser(ThirdPartyUserDTO request, String token){
         String porOrgacode = request.getPorOrgacode();
-        String url = securityURI + "/security/user";
+        String url = securityURI + "/security/thirdParty/user";
+
+        if (userRepository.existsByUserId(request.getSusUsercode())) {
+            throw new UsernameAlreadyExistException(porOrgacode);
+        }
+        if (userRepository.existsByEmail(request.getSusEmail())) {
+            throw new EmailAlreadyExistException(porOrgacode);
+        }
 
         Map<String, Object> payloadMap = buildPayload(request);
         Map<String, Object> ciihiveRequest = buildCiihiveRequest(request, payloadMap);