diff --git a/src/main/java/go/kr/project/common/service/VehicleInfoService.java b/src/main/java/go/kr/project/api/VehicleInfoService.java
similarity index 94%
rename from src/main/java/go/kr/project/common/service/VehicleInfoService.java
rename to src/main/java/go/kr/project/api/VehicleInfoService.java
index 56f2581..453124d 100644
--- a/src/main/java/go/kr/project/common/service/VehicleInfoService.java
+++ b/src/main/java/go/kr/project/api/VehicleInfoService.java
@@ -1,6 +1,6 @@
-package go.kr.project.common.service;
+package go.kr.project.api;
 
-import go.kr.project.externalApi.vo.VehicleApiResponseVO;
+import go.kr.project.api.vo.VehicleApiResponseVO;
 
 import java.util.List;
 
diff --git a/src/main/java/go/kr/project/vmis/config/ApiConstant.java b/src/main/java/go/kr/project/api/config/ApiConstant.java
similarity index 97%
rename from src/main/java/go/kr/project/vmis/config/ApiConstant.java
rename to src/main/java/go/kr/project/api/config/ApiConstant.java
index ef22b15..e62d40e 100644
--- a/src/main/java/go/kr/project/vmis/config/ApiConstant.java
+++ b/src/main/java/go/kr/project/api/config/ApiConstant.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.config;
+package go.kr.project.api.config;
 
 /**
  * 애플리케이션 전역에서 사용되는 상수를 관리하는 클래스
diff --git a/src/main/java/go/kr/project/vmis/config/DatabaseConfig.java b/src/main/java/go/kr/project/api/config/DatabaseConfig.java
similarity index 98%
rename from src/main/java/go/kr/project/vmis/config/DatabaseConfig.java
rename to src/main/java/go/kr/project/api/config/DatabaseConfig.java
index 38e92d8..b006edb 100644
--- a/src/main/java/go/kr/project/vmis/config/DatabaseConfig.java
+++ b/src/main/java/go/kr/project/api/config/DatabaseConfig.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.config;
+package go.kr.project.api.config;
 
 import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.context.annotation.Bean;
diff --git a/src/main/java/go/kr/project/vmis/config/VmisIntegrationConfig.java b/src/main/java/go/kr/project/api/config/VmisIntegrationConfig.java
similarity index 96%
rename from src/main/java/go/kr/project/vmis/config/VmisIntegrationConfig.java
rename to src/main/java/go/kr/project/api/config/VmisIntegrationConfig.java
index d89d003..e279ab3 100644
--- a/src/main/java/go/kr/project/vmis/config/VmisIntegrationConfig.java
+++ b/src/main/java/go/kr/project/api/config/VmisIntegrationConfig.java
@@ -1,7 +1,7 @@
-package go.kr.project.vmis.config;
+package go.kr.project.api.config;
 
-import go.kr.project.common.service.VehicleInfoService;
-import go.kr.project.vmis.config.properties.VmisProperties;
+import go.kr.project.api.VehicleInfoService;
+import go.kr.project.api.config.properties.VmisProperties;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.boot.CommandLineRunner;
diff --git a/src/main/java/go/kr/project/vmis/config/properties/VmisProperties.java b/src/main/java/go/kr/project/api/config/properties/VmisProperties.java
similarity index 99%
rename from src/main/java/go/kr/project/vmis/config/properties/VmisProperties.java
rename to src/main/java/go/kr/project/api/config/properties/VmisProperties.java
index aed67d5..e30f119 100644
--- a/src/main/java/go/kr/project/vmis/config/properties/VmisProperties.java
+++ b/src/main/java/go/kr/project/api/config/properties/VmisProperties.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.config.properties;
+package go.kr.project.api.config.properties;
 
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
diff --git a/src/main/java/go/kr/project/externalApi/service/ExternalVehicleApiService.java b/src/main/java/go/kr/project/api/external/service/ExternalVehicleApiService.java
similarity index 99%
rename from src/main/java/go/kr/project/externalApi/service/ExternalVehicleApiService.java
rename to src/main/java/go/kr/project/api/external/service/ExternalVehicleApiService.java
index 4af186d..662a1f7 100644
--- a/src/main/java/go/kr/project/externalApi/service/ExternalVehicleApiService.java
+++ b/src/main/java/go/kr/project/api/external/service/ExternalVehicleApiService.java
@@ -1,6 +1,6 @@
-package go.kr.project.externalApi.service;
+package go.kr.project.api.external.service;
 
-import go.kr.project.externalApi.vo.*;
+import go.kr.project.api.vo.*;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.core.ParameterizedTypeReference;
diff --git a/src/main/java/go/kr/project/externalApi/service/ExternalVehicleInfoServiceImpl.java b/src/main/java/go/kr/project/api/external/service/ExternalVehicleInfoServiceImpl.java
similarity index 94%
rename from src/main/java/go/kr/project/externalApi/service/ExternalVehicleInfoServiceImpl.java
rename to src/main/java/go/kr/project/api/external/service/ExternalVehicleInfoServiceImpl.java
index 9b921a6..87b4a27 100644
--- a/src/main/java/go/kr/project/externalApi/service/ExternalVehicleInfoServiceImpl.java
+++ b/src/main/java/go/kr/project/api/external/service/ExternalVehicleInfoServiceImpl.java
@@ -1,7 +1,7 @@
-package go.kr.project.externalApi.service;
+package go.kr.project.api.external.service;
 
-import go.kr.project.common.service.VehicleInfoService;
-import go.kr.project.externalApi.vo.VehicleApiResponseVO;
+import go.kr.project.api.VehicleInfoService;
+import go.kr.project.api.vo.VehicleApiResponseVO;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
diff --git a/src/main/java/go/kr/project/vmis/client/GovernmentApi.java b/src/main/java/go/kr/project/api/internal/client/GovernmentApi.java
similarity index 61%
rename from src/main/java/go/kr/project/vmis/client/GovernmentApi.java
rename to src/main/java/go/kr/project/api/internal/client/GovernmentApi.java
index 159c6d2..6d46bc9 100644
--- a/src/main/java/go/kr/project/vmis/client/GovernmentApi.java
+++ b/src/main/java/go/kr/project/api/internal/client/GovernmentApi.java
@@ -1,10 +1,10 @@
-package go.kr.project.vmis.client;
+package go.kr.project.api.internal.client;
 
-import go.kr.project.vmis.model.basic.BasicRequest;
-import go.kr.project.vmis.model.basic.BasicResponse;
-import go.kr.project.vmis.model.common.Envelope;
-import go.kr.project.vmis.model.ledger.LedgerRequest;
-import go.kr.project.vmis.model.ledger.LedgerResponse;
+import go.kr.project.api.model.basic.BasicRequest;
+import go.kr.project.api.model.basic.BasicResponse;
+import go.kr.project.api.model.common.Envelope;
+import go.kr.project.api.model.ledger.LedgerRequest;
+import go.kr.project.api.model.ledger.LedgerResponse;
 import org.springframework.http.ResponseEntity;
 
 /**
diff --git a/src/main/java/go/kr/project/vmis/client/GovernmentApiClient.java b/src/main/java/go/kr/project/api/internal/client/GovernmentApiClient.java
similarity index 98%
rename from src/main/java/go/kr/project/vmis/client/GovernmentApiClient.java
rename to src/main/java/go/kr/project/api/internal/client/GovernmentApiClient.java
index 8843fb4..5a2fad4 100644
--- a/src/main/java/go/kr/project/vmis/client/GovernmentApiClient.java
+++ b/src/main/java/go/kr/project/api/internal/client/GovernmentApiClient.java
@@ -1,15 +1,15 @@
-package go.kr.project.vmis.client;
+package go.kr.project.api.internal.client;
 
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import go.kr.project.vmis.config.properties.VmisProperties;
-import go.kr.project.vmis.gpki.GpkiService;
-import go.kr.project.vmis.model.basic.BasicRequest;
-import go.kr.project.vmis.model.basic.BasicResponse;
-import go.kr.project.vmis.model.common.Envelope;
-import go.kr.project.vmis.model.ledger.LedgerRequest;
-import go.kr.project.vmis.model.ledger.LedgerResponse;
-import go.kr.project.vmis.util.TxIdUtil;
+import go.kr.project.api.config.properties.VmisProperties;
+import go.kr.project.api.internal.gpki.GpkiService;
+import go.kr.project.api.model.basic.BasicRequest;
+import go.kr.project.api.model.basic.BasicResponse;
+import go.kr.project.api.model.common.Envelope;
+import go.kr.project.api.model.ledger.LedgerRequest;
+import go.kr.project.api.model.ledger.LedgerResponse;
+import go.kr.project.api.internal.util.TxIdUtil;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.http.*;
diff --git a/src/main/java/go/kr/project/vmis/config/Globals.java b/src/main/java/go/kr/project/api/internal/config/Globals.java
similarity index 97%
rename from src/main/java/go/kr/project/vmis/config/Globals.java
rename to src/main/java/go/kr/project/api/internal/config/Globals.java
index b014999..f04265a 100644
--- a/src/main/java/go/kr/project/vmis/config/Globals.java
+++ b/src/main/java/go/kr/project/api/internal/config/Globals.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.config;
+package go.kr.project.api.config;
 
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
diff --git a/src/main/java/go/kr/project/vmis/config/GpkiConfig.java b/src/main/java/go/kr/project/api/internal/config/GpkiConfig.java
similarity index 60%
rename from src/main/java/go/kr/project/vmis/config/GpkiConfig.java
rename to src/main/java/go/kr/project/api/internal/config/GpkiConfig.java
index 8109e72..99a81b0 100644
--- a/src/main/java/go/kr/project/vmis/config/GpkiConfig.java
+++ b/src/main/java/go/kr/project/api/internal/config/GpkiConfig.java
@@ -1,9 +1,9 @@
-package go.kr.project.vmis.config;
+package go.kr.project.api.config;
 
-import go.kr.project.vmis.config.properties.VmisProperties;
-import go.kr.project.vmis.gpki.GpkiService;
-import go.kr.project.vmis.gpki.NoopGpkiService;
-import go.kr.project.vmis.gpki.RealGpkiService;
+import go.kr.project.api.config.properties.VmisProperties;
+import go.kr.project.api.internal.gpki.GpkiService;
+import go.kr.project.api.internal.gpki.NoopGpkiService;
+import go.kr.project.api.internal.gpki.RealGpkiService;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
diff --git a/src/main/java/go/kr/project/vmis/config/HttpClientConfig.java b/src/main/java/go/kr/project/api/internal/config/HttpClientConfig.java
similarity index 95%
rename from src/main/java/go/kr/project/vmis/config/HttpClientConfig.java
rename to src/main/java/go/kr/project/api/internal/config/HttpClientConfig.java
index 2be084a..d985a14 100644
--- a/src/main/java/go/kr/project/vmis/config/HttpClientConfig.java
+++ b/src/main/java/go/kr/project/api/internal/config/HttpClientConfig.java
@@ -1,6 +1,6 @@
-package go.kr.project.vmis.config;
+package go.kr.project.api.config;
 
-import go.kr.project.vmis.config.properties.VmisProperties;
+import go.kr.project.api.config.properties.VmisProperties;
 import org.apache.http.client.config.RequestConfig;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClientBuilder;
diff --git a/src/main/java/go/kr/project/vmis/config/OpenApiConfig.java b/src/main/java/go/kr/project/api/internal/config/OpenApiConfig.java
similarity index 96%
rename from src/main/java/go/kr/project/vmis/config/OpenApiConfig.java
rename to src/main/java/go/kr/project/api/internal/config/OpenApiConfig.java
index 4facc9f..60cd9ff 100644
--- a/src/main/java/go/kr/project/vmis/config/OpenApiConfig.java
+++ b/src/main/java/go/kr/project/api/internal/config/OpenApiConfig.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.config;
+package go.kr.project.api.config;
 
 import io.swagger.v3.oas.models.ExternalDocumentation;
 import io.swagger.v3.oas.models.OpenAPI;
diff --git a/src/main/java/go/kr/project/vmis/config/PropertiesConfig.java b/src/main/java/go/kr/project/api/internal/config/PropertiesConfig.java
similarity index 72%
rename from src/main/java/go/kr/project/vmis/config/PropertiesConfig.java
rename to src/main/java/go/kr/project/api/internal/config/PropertiesConfig.java
index 648ad1b..f74f07a 100644
--- a/src/main/java/go/kr/project/vmis/config/PropertiesConfig.java
+++ b/src/main/java/go/kr/project/api/internal/config/PropertiesConfig.java
@@ -1,6 +1,6 @@
-package go.kr.project.vmis.config;
+package go.kr.project.api.config;
 
-import go.kr.project.vmis.config.properties.VmisProperties;
+import go.kr.project.api.config.properties.VmisProperties;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Configuration;
 
diff --git a/src/main/java/go/kr/project/vmis/controller/VehicleInterfaceController.java b/src/main/java/go/kr/project/api/internal/controller/VehicleInterfaceController.java
similarity index 95%
rename from src/main/java/go/kr/project/vmis/controller/VehicleInterfaceController.java
rename to src/main/java/go/kr/project/api/internal/controller/VehicleInterfaceController.java
index 43a1cb3..61cc93b 100644
--- a/src/main/java/go/kr/project/vmis/controller/VehicleInterfaceController.java
+++ b/src/main/java/go/kr/project/api/internal/controller/VehicleInterfaceController.java
@@ -1,12 +1,12 @@
-package go.kr.project.vmis.controller;
+package go.kr.project.api.internal.controller;
 
-import go.kr.project.vmis.model.basic.BasicRequest;
-import go.kr.project.vmis.model.basic.BasicResponse;
-import go.kr.project.vmis.model.common.Envelope;
-import go.kr.project.vmis.model.ledger.LedgerRequest;
-import go.kr.project.vmis.model.ledger.LedgerResponse;
-import go.kr.project.vmis.service.VmisCarBassMatterInqireService;
-import go.kr.project.vmis.service.VmisCarLedgerFrmbkService;
+import go.kr.project.api.model.basic.BasicRequest;
+import go.kr.project.api.model.basic.BasicResponse;
+import go.kr.project.api.model.common.Envelope;
+import go.kr.project.api.model.ledger.LedgerRequest;
+import go.kr.project.api.model.ledger.LedgerResponse;
+import go.kr.project.api.internal.service.VmisCarBassMatterInqireService;
+import go.kr.project.api.internal.service.VmisCarLedgerFrmbkService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.media.Content;
 import io.swagger.v3.oas.annotations.media.ExampleObject;
diff --git a/src/main/java/go/kr/project/vmis/gpki/GpkiService.java b/src/main/java/go/kr/project/api/internal/gpki/GpkiService.java
similarity index 79%
rename from src/main/java/go/kr/project/vmis/gpki/GpkiService.java
rename to src/main/java/go/kr/project/api/internal/gpki/GpkiService.java
index 6057875..bfb1272 100644
--- a/src/main/java/go/kr/project/vmis/gpki/GpkiService.java
+++ b/src/main/java/go/kr/project/api/internal/gpki/GpkiService.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.gpki;
+package go.kr.project.api.internal.gpki;
 
 public interface GpkiService {
     String encrypt(String plain) throws Exception;
diff --git a/src/main/java/go/kr/project/vmis/gpki/NoopGpkiService.java b/src/main/java/go/kr/project/api/internal/gpki/NoopGpkiService.java
similarity index 88%
rename from src/main/java/go/kr/project/vmis/gpki/NoopGpkiService.java
rename to src/main/java/go/kr/project/api/internal/gpki/NoopGpkiService.java
index e4ee3d8..9d4084c 100644
--- a/src/main/java/go/kr/project/vmis/gpki/NoopGpkiService.java
+++ b/src/main/java/go/kr/project/api/internal/gpki/NoopGpkiService.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.gpki;
+package go.kr.project.api.internal.gpki;
 
 public class NoopGpkiService implements GpkiService {
     @Override
diff --git a/src/main/java/go/kr/project/vmis/gpki/RealGpkiService.java b/src/main/java/go/kr/project/api/internal/gpki/RealGpkiService.java
similarity index 88%
rename from src/main/java/go/kr/project/vmis/gpki/RealGpkiService.java
rename to src/main/java/go/kr/project/api/internal/gpki/RealGpkiService.java
index 57470cf..294d289 100644
--- a/src/main/java/go/kr/project/vmis/gpki/RealGpkiService.java
+++ b/src/main/java/go/kr/project/api/internal/gpki/RealGpkiService.java
@@ -1,7 +1,7 @@
-package go.kr.project.vmis.gpki;
+package go.kr.project.api.internal.gpki;
 
-import go.kr.project.vmis.config.properties.VmisProperties;
-import go.kr.project.vmis.util.GpkiCryptoUtil;
+import go.kr.project.api.config.properties.VmisProperties;
+import go.kr.project.api.internal.util.GpkiCryptoUtil;
 
 /**
  * Real GPKI service backed by native GPKI JNI via legacy NewGpkiUtil wrapper.
diff --git a/src/main/java/go/kr/project/vmis/mapper/VmisCarBassMatterInqireMapper.java b/src/main/java/go/kr/project/api/internal/mapper/VmisCarBassMatterInqireMapper.java
similarity index 93%
rename from src/main/java/go/kr/project/vmis/mapper/VmisCarBassMatterInqireMapper.java
rename to src/main/java/go/kr/project/api/internal/mapper/VmisCarBassMatterInqireMapper.java
index 253a17a..c8a08a6 100644
--- a/src/main/java/go/kr/project/vmis/mapper/VmisCarBassMatterInqireMapper.java
+++ b/src/main/java/go/kr/project/api/internal/mapper/VmisCarBassMatterInqireMapper.java
@@ -1,6 +1,6 @@
-package go.kr.project.vmis.mapper;
+package go.kr.project.api.internal.mapper;
 
-import go.kr.project.vmis.model.basic.VmisCarBassMatterInqireVO;
+import go.kr.project.api.model.basic.VmisCarBassMatterInqireVO;
 import org.apache.ibatis.annotations.Mapper;
 
 /**
diff --git a/src/main/java/go/kr/project/vmis/mapper/VmisCarLedgerFrmbkMapper.java b/src/main/java/go/kr/project/api/internal/mapper/VmisCarLedgerFrmbkMapper.java
similarity index 81%
rename from src/main/java/go/kr/project/vmis/mapper/VmisCarLedgerFrmbkMapper.java
rename to src/main/java/go/kr/project/api/internal/mapper/VmisCarLedgerFrmbkMapper.java
index 00adb54..20cfe5a 100644
--- a/src/main/java/go/kr/project/vmis/mapper/VmisCarLedgerFrmbkMapper.java
+++ b/src/main/java/go/kr/project/api/internal/mapper/VmisCarLedgerFrmbkMapper.java
@@ -1,7 +1,7 @@
-package go.kr.project.vmis.mapper;
+package go.kr.project.api.internal.mapper;
 
-import go.kr.project.vmis.model.ledger.VmisCarLedgerFrmbkDtlVO;
-import go.kr.project.vmis.model.ledger.VmisCarLedgerFrmbkVO;
+import go.kr.project.api.model.ledger.VmisCarLedgerFrmbkDtlVO;
+import go.kr.project.api.model.ledger.VmisCarLedgerFrmbkVO;
 import org.apache.ibatis.annotations.Mapper;
 
 import java.util.List;
diff --git a/src/main/java/go/kr/project/vmis/model/basic/VmisCarBassMatterInqireVO.java b/src/main/java/go/kr/project/api/internal/model/basic/VmisCarBassMatterInqireVO.java
similarity index 99%
rename from src/main/java/go/kr/project/vmis/model/basic/VmisCarBassMatterInqireVO.java
rename to src/main/java/go/kr/project/api/internal/model/basic/VmisCarBassMatterInqireVO.java
index 6d742bd..d671df8 100644
--- a/src/main/java/go/kr/project/vmis/model/basic/VmisCarBassMatterInqireVO.java
+++ b/src/main/java/go/kr/project/api/internal/model/basic/VmisCarBassMatterInqireVO.java
@@ -1,7 +1,7 @@
-package go.kr.project.vmis.model.basic;
+package go.kr.project.api.model.basic;
 
-import go.kr.project.vmis.config.ApiConstant;
-import go.kr.project.vmis.model.common.Envelope;
+import go.kr.project.api.config.ApiConstant;
+import go.kr.project.api.model.common.Envelope;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
diff --git a/src/main/java/go/kr/project/vmis/model/ledger/VmisCarLedgerFrmbkDtlVO.java b/src/main/java/go/kr/project/api/internal/model/ledger/VmisCarLedgerFrmbkDtlVO.java
similarity index 96%
rename from src/main/java/go/kr/project/vmis/model/ledger/VmisCarLedgerFrmbkDtlVO.java
rename to src/main/java/go/kr/project/api/internal/model/ledger/VmisCarLedgerFrmbkDtlVO.java
index 60631cd..46dec28 100644
--- a/src/main/java/go/kr/project/vmis/model/ledger/VmisCarLedgerFrmbkDtlVO.java
+++ b/src/main/java/go/kr/project/api/internal/model/ledger/VmisCarLedgerFrmbkDtlVO.java
@@ -1,6 +1,6 @@
-package go.kr.project.vmis.model.ledger;
+package go.kr.project.api.model.ledger;
 
-import go.kr.project.vmis.config.ApiConstant;
+import go.kr.project.api.config.ApiConstant;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
diff --git a/src/main/java/go/kr/project/vmis/model/ledger/VmisCarLedgerFrmbkVO.java b/src/main/java/go/kr/project/api/internal/model/ledger/VmisCarLedgerFrmbkVO.java
similarity index 97%
rename from src/main/java/go/kr/project/vmis/model/ledger/VmisCarLedgerFrmbkVO.java
rename to src/main/java/go/kr/project/api/internal/model/ledger/VmisCarLedgerFrmbkVO.java
index 4c565c0..688a1b9 100644
--- a/src/main/java/go/kr/project/vmis/model/ledger/VmisCarLedgerFrmbkVO.java
+++ b/src/main/java/go/kr/project/api/internal/model/ledger/VmisCarLedgerFrmbkVO.java
@@ -1,6 +1,6 @@
-package go.kr.project.vmis.model.ledger;
+package go.kr.project.api.model.ledger;
 
-import go.kr.project.vmis.config.ApiConstant;
+import go.kr.project.api.config.ApiConstant;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -18,7 +18,7 @@ import lombok.NoArgsConstructor;
 public class VmisCarLedgerFrmbkVO {
 
     // ==== Static factory/mapping methods (moved from Service) ====
-    public static VmisCarLedgerFrmbkVO fromRequest(go.kr.project.vmis.model.ledger.LedgerRequest request) {
+    public static VmisCarLedgerFrmbkVO fromRequest(go.kr.project.api.model.ledger.LedgerRequest request) {
         return VmisCarLedgerFrmbkVO.builder()
                 .infoSysId(request.getInfoSysId())
                 .infoSysIp(request.getInfoSysIp())
@@ -32,7 +32,7 @@ public class VmisCarLedgerFrmbkVO {
                 .build();
     }
 
-    public static VmisCarLedgerFrmbkVO fromResponseMaster(String id, go.kr.project.vmis.model.ledger.LedgerResponse res) {
+    public static VmisCarLedgerFrmbkVO fromResponseMaster(String id, go.kr.project.api.model.ledger.LedgerResponse res) {
         return VmisCarLedgerFrmbkVO.builder()
                 .carLedgerFrmbkId(id)  // 등록원부 ID
                 .cntcResultCode(res.getCntcResultCode())  // 연계 결과 코드
diff --git a/src/main/java/go/kr/project/vmis/service/InternalVehicleInfoServiceImpl.java b/src/main/java/go/kr/project/api/internal/service/InternalVehicleInfoServiceImpl.java
similarity index 93%
rename from src/main/java/go/kr/project/vmis/service/InternalVehicleInfoServiceImpl.java
rename to src/main/java/go/kr/project/api/internal/service/InternalVehicleInfoServiceImpl.java
index 5abb9a3..c387a60 100644
--- a/src/main/java/go/kr/project/vmis/service/InternalVehicleInfoServiceImpl.java
+++ b/src/main/java/go/kr/project/api/internal/service/InternalVehicleInfoServiceImpl.java
@@ -1,15 +1,15 @@
-package go.kr.project.vmis.service;
-
-import go.kr.project.common.service.VehicleInfoService;
-import go.kr.project.externalApi.vo.VehicleApiResponseVO;
-import go.kr.project.externalApi.vo.VehicleBasicInfoVO;
-import go.kr.project.externalApi.vo.VehicleLedgerVO;
-import go.kr.project.vmis.model.basic.BasicRequest;
-import go.kr.project.vmis.model.basic.BasicResponse;
-import go.kr.project.vmis.model.common.Envelope;
-import go.kr.project.vmis.model.ledger.LedgerRequest;
-import go.kr.project.vmis.model.ledger.LedgerResponse;
-import go.kr.project.vmis.util.VehicleResponseMapper;
+package go.kr.project.api.internal.service;
+
+import go.kr.project.api.VehicleInfoService;
+import go.kr.project.api.vo.VehicleApiResponseVO;
+import go.kr.project.api.vo.VehicleBasicInfoVO;
+import go.kr.project.api.vo.VehicleLedgerVO;
+import go.kr.project.api.model.basic.BasicRequest;
+import go.kr.project.api.model.basic.BasicResponse;
+import go.kr.project.api.model.common.Envelope;
+import go.kr.project.api.model.ledger.LedgerRequest;
+import go.kr.project.api.model.ledger.LedgerResponse;
+import go.kr.project.api.internal.util.VehicleResponseMapper;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
diff --git a/src/main/java/go/kr/project/vmis/service/VmisCarBassMatterInqireLogService.java b/src/main/java/go/kr/project/api/internal/service/VmisCarBassMatterInqireLogService.java
similarity index 92%
rename from src/main/java/go/kr/project/vmis/service/VmisCarBassMatterInqireLogService.java
rename to src/main/java/go/kr/project/api/internal/service/VmisCarBassMatterInqireLogService.java
index 5345c92..34925b6 100644
--- a/src/main/java/go/kr/project/vmis/service/VmisCarBassMatterInqireLogService.java
+++ b/src/main/java/go/kr/project/api/internal/service/VmisCarBassMatterInqireLogService.java
@@ -1,7 +1,7 @@
-package go.kr.project.vmis.service;
+package go.kr.project.api.internal.service;
 
-import go.kr.project.vmis.mapper.VmisCarBassMatterInqireMapper;
-import go.kr.project.vmis.model.basic.VmisCarBassMatterInqireVO;
+import go.kr.project.api.internal.mapper.VmisCarBassMatterInqireMapper;
+import go.kr.project.api.model.basic.VmisCarBassMatterInqireVO;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
diff --git a/src/main/java/go/kr/project/vmis/service/VmisCarBassMatterInqireService.java b/src/main/java/go/kr/project/api/internal/service/VmisCarBassMatterInqireService.java
similarity index 88%
rename from src/main/java/go/kr/project/vmis/service/VmisCarBassMatterInqireService.java
rename to src/main/java/go/kr/project/api/internal/service/VmisCarBassMatterInqireService.java
index cedd622..0ba1f45 100644
--- a/src/main/java/go/kr/project/vmis/service/VmisCarBassMatterInqireService.java
+++ b/src/main/java/go/kr/project/api/internal/service/VmisCarBassMatterInqireService.java
@@ -1,12 +1,12 @@
-package go.kr.project.vmis.service;
+package go.kr.project.api.internal.service;
 
-import go.kr.project.vmis.client.GovernmentApi;
-import go.kr.project.vmis.config.ApiConstant;
-import go.kr.project.vmis.util.ExceptionDetailUtil;
-import go.kr.project.vmis.model.basic.BasicRequest;
-import go.kr.project.vmis.model.basic.BasicResponse;
-import go.kr.project.vmis.model.basic.VmisCarBassMatterInqireVO;
-import go.kr.project.vmis.model.common.Envelope;
+import go.kr.project.api.internal.client.GovernmentApi;
+import go.kr.project.api.config.ApiConstant;
+import go.kr.project.api.internal.util.ExceptionDetailUtil;
+import go.kr.project.api.model.basic.BasicRequest;
+import go.kr.project.api.model.basic.BasicResponse;
+import go.kr.project.api.model.basic.VmisCarBassMatterInqireVO;
+import go.kr.project.api.model.common.Envelope;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.ResponseEntity;
diff --git a/src/main/java/go/kr/project/vmis/service/VmisCarLedgerFrmbkLogService.java b/src/main/java/go/kr/project/api/internal/service/VmisCarLedgerFrmbkLogService.java
similarity index 91%
rename from src/main/java/go/kr/project/vmis/service/VmisCarLedgerFrmbkLogService.java
rename to src/main/java/go/kr/project/api/internal/service/VmisCarLedgerFrmbkLogService.java
index c42c7b6..25ee0ee 100644
--- a/src/main/java/go/kr/project/vmis/service/VmisCarLedgerFrmbkLogService.java
+++ b/src/main/java/go/kr/project/api/internal/service/VmisCarLedgerFrmbkLogService.java
@@ -1,8 +1,8 @@
-package go.kr.project.vmis.service;
+package go.kr.project.api.internal.service;
 
-import go.kr.project.vmis.mapper.VmisCarLedgerFrmbkMapper;
-import go.kr.project.vmis.model.ledger.VmisCarLedgerFrmbkDtlVO;
-import go.kr.project.vmis.model.ledger.VmisCarLedgerFrmbkVO;
+import go.kr.project.api.internal.mapper.VmisCarLedgerFrmbkMapper;
+import go.kr.project.api.model.ledger.VmisCarLedgerFrmbkDtlVO;
+import go.kr.project.api.model.ledger.VmisCarLedgerFrmbkVO;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
diff --git a/src/main/java/go/kr/project/vmis/service/VmisCarLedgerFrmbkService.java b/src/main/java/go/kr/project/api/internal/service/VmisCarLedgerFrmbkService.java
similarity index 87%
rename from src/main/java/go/kr/project/vmis/service/VmisCarLedgerFrmbkService.java
rename to src/main/java/go/kr/project/api/internal/service/VmisCarLedgerFrmbkService.java
index edf7c6f..8a09fcb 100644
--- a/src/main/java/go/kr/project/vmis/service/VmisCarLedgerFrmbkService.java
+++ b/src/main/java/go/kr/project/api/internal/service/VmisCarLedgerFrmbkService.java
@@ -1,13 +1,13 @@
-package go.kr.project.vmis.service;
+package go.kr.project.api.internal.service;
 
-import go.kr.project.vmis.client.GovernmentApi;
-import go.kr.project.vmis.config.ApiConstant;
-import go.kr.project.vmis.model.common.Envelope;
-import go.kr.project.vmis.model.ledger.VmisCarLedgerFrmbkDtlVO;
-import go.kr.project.vmis.model.ledger.VmisCarLedgerFrmbkVO;
-import go.kr.project.vmis.model.ledger.LedgerRequest;
-import go.kr.project.vmis.model.ledger.LedgerResponse;
-import go.kr.project.vmis.util.ExceptionDetailUtil;
+import go.kr.project.api.internal.client.GovernmentApi;
+import go.kr.project.api.config.ApiConstant;
+import go.kr.project.api.model.common.Envelope;
+import go.kr.project.api.model.ledger.VmisCarLedgerFrmbkDtlVO;
+import go.kr.project.api.model.ledger.VmisCarLedgerFrmbkVO;
+import go.kr.project.api.model.ledger.LedgerRequest;
+import go.kr.project.api.model.ledger.LedgerResponse;
+import go.kr.project.api.internal.util.ExceptionDetailUtil;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.ResponseEntity;
diff --git a/src/main/java/go/kr/project/vmis/service/VmisRequestEnricher.java b/src/main/java/go/kr/project/api/internal/service/VmisRequestEnricher.java
similarity index 90%
rename from src/main/java/go/kr/project/vmis/service/VmisRequestEnricher.java
rename to src/main/java/go/kr/project/api/internal/service/VmisRequestEnricher.java
index ab43670..052e756 100644
--- a/src/main/java/go/kr/project/vmis/service/VmisRequestEnricher.java
+++ b/src/main/java/go/kr/project/api/internal/service/VmisRequestEnricher.java
@@ -1,9 +1,9 @@
-package go.kr.project.vmis.service;
+package go.kr.project.api.internal.service;
 
-import go.kr.project.vmis.config.properties.VmisProperties;
-import go.kr.project.vmis.model.basic.BasicRequest;
-import go.kr.project.vmis.model.common.Envelope;
-import go.kr.project.vmis.model.ledger.LedgerRequest;
+import go.kr.project.api.config.properties.VmisProperties;
+import go.kr.project.api.model.basic.BasicRequest;
+import go.kr.project.api.model.common.Envelope;
+import go.kr.project.api.model.ledger.LedgerRequest;
 import org.springframework.stereotype.Component;
 
 import lombok.extern.slf4j.Slf4j;
diff --git a/src/main/java/go/kr/project/vmis/util/ExceptionDetailUtil.java b/src/main/java/go/kr/project/api/internal/util/ExceptionDetailUtil.java
similarity index 95%
rename from src/main/java/go/kr/project/vmis/util/ExceptionDetailUtil.java
rename to src/main/java/go/kr/project/api/internal/util/ExceptionDetailUtil.java
index 0a7ab04..ccc1e17 100644
--- a/src/main/java/go/kr/project/vmis/util/ExceptionDetailUtil.java
+++ b/src/main/java/go/kr/project/api/internal/util/ExceptionDetailUtil.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.util;
+package go.kr.project.api.internal.util;
 
 /**
  * Common helper to extract root-cause message and truncate to DB column limit (default 4000 chars).
diff --git a/src/main/java/go/kr/project/vmis/util/GpkiCryptoUtil.java b/src/main/java/go/kr/project/api/internal/util/GpkiCryptoUtil.java
similarity index 97%
rename from src/main/java/go/kr/project/vmis/util/GpkiCryptoUtil.java
rename to src/main/java/go/kr/project/api/internal/util/GpkiCryptoUtil.java
index 39da89a..1987776 100644
--- a/src/main/java/go/kr/project/vmis/util/GpkiCryptoUtil.java
+++ b/src/main/java/go/kr/project/api/internal/util/GpkiCryptoUtil.java
@@ -1,6 +1,6 @@
-package go.kr.project.vmis.util;
+package go.kr.project.api.internal.util;
 
-import go.kr.project.vmis.config.properties.VmisProperties;
+import go.kr.project.api.config.properties.VmisProperties;
 import lombok.Getter;
 import lombok.Setter;
 
diff --git a/src/main/java/go/kr/project/vmis/util/NewGpkiUtil.java b/src/main/java/go/kr/project/api/internal/util/NewGpkiUtil.java
similarity index 99%
rename from src/main/java/go/kr/project/vmis/util/NewGpkiUtil.java
rename to src/main/java/go/kr/project/api/internal/util/NewGpkiUtil.java
index 3d657d9..78f95bd 100644
--- a/src/main/java/go/kr/project/vmis/util/NewGpkiUtil.java
+++ b/src/main/java/go/kr/project/api/internal/util/NewGpkiUtil.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.util;
+package go.kr.project.api.internal.util;
 
 import java.io.File;
 import java.util.HashMap;
diff --git a/src/main/java/go/kr/project/vmis/util/TxIdUtil.java b/src/main/java/go/kr/project/api/internal/util/TxIdUtil.java
similarity index 91%
rename from src/main/java/go/kr/project/vmis/util/TxIdUtil.java
rename to src/main/java/go/kr/project/api/internal/util/TxIdUtil.java
index aa4a74c..ceb20fd 100644
--- a/src/main/java/go/kr/project/vmis/util/TxIdUtil.java
+++ b/src/main/java/go/kr/project/api/internal/util/TxIdUtil.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.util;
+package go.kr.project.api.internal.util;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
diff --git a/src/main/java/go/kr/project/vmis/util/VehicleResponseMapper.java b/src/main/java/go/kr/project/api/internal/util/VehicleResponseMapper.java
similarity index 96%
rename from src/main/java/go/kr/project/vmis/util/VehicleResponseMapper.java
rename to src/main/java/go/kr/project/api/internal/util/VehicleResponseMapper.java
index 635c3c4..877653d 100644
--- a/src/main/java/go/kr/project/vmis/util/VehicleResponseMapper.java
+++ b/src/main/java/go/kr/project/api/internal/util/VehicleResponseMapper.java
@@ -1,9 +1,9 @@
-package go.kr.project.vmis.util;
+package go.kr.project.api.internal.util;
 
-import go.kr.project.externalApi.vo.VehicleBasicInfoVO;
-import go.kr.project.externalApi.vo.VehicleLedgerVO;
-import go.kr.project.vmis.model.basic.BasicResponse;
-import go.kr.project.vmis.model.ledger.LedgerResponse;
+import go.kr.project.api.vo.VehicleBasicInfoVO;
+import go.kr.project.api.vo.VehicleLedgerVO;
+import go.kr.project.api.model.basic.BasicResponse;
+import go.kr.project.api.model.ledger.LedgerResponse;
 
 import java.util.ArrayList;
 import java.util.Collections;
diff --git a/src/main/java/go/kr/project/vmis/model/basic/BasicRequest.java b/src/main/java/go/kr/project/api/model/basic/BasicRequest.java
similarity index 98%
rename from src/main/java/go/kr/project/vmis/model/basic/BasicRequest.java
rename to src/main/java/go/kr/project/api/model/basic/BasicRequest.java
index 69f8f28..527fbd6 100644
--- a/src/main/java/go/kr/project/vmis/model/basic/BasicRequest.java
+++ b/src/main/java/go/kr/project/api/model/basic/BasicRequest.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.model.basic;
+package go.kr.project.api.model.basic;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
diff --git a/src/main/java/go/kr/project/vmis/model/basic/BasicResponse.java b/src/main/java/go/kr/project/api/model/basic/BasicResponse.java
similarity index 99%
rename from src/main/java/go/kr/project/vmis/model/basic/BasicResponse.java
rename to src/main/java/go/kr/project/api/model/basic/BasicResponse.java
index f7ad01f..9dfb366 100644
--- a/src/main/java/go/kr/project/vmis/model/basic/BasicResponse.java
+++ b/src/main/java/go/kr/project/api/model/basic/BasicResponse.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.model.basic;
+package go.kr.project.api.model.basic;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
diff --git a/src/main/java/go/kr/project/vmis/model/common/Envelope.java b/src/main/java/go/kr/project/api/model/common/Envelope.java
similarity index 93%
rename from src/main/java/go/kr/project/vmis/model/common/Envelope.java
rename to src/main/java/go/kr/project/api/model/common/Envelope.java
index 5f1699c..4328ee7 100644
--- a/src/main/java/go/kr/project/vmis/model/common/Envelope.java
+++ b/src/main/java/go/kr/project/api/model/common/Envelope.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.model.common;
+package go.kr.project.api.model.common;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
diff --git a/src/main/java/go/kr/project/vmis/model/ledger/LedgerRequest.java b/src/main/java/go/kr/project/api/model/ledger/LedgerRequest.java
similarity index 98%
rename from src/main/java/go/kr/project/vmis/model/ledger/LedgerRequest.java
rename to src/main/java/go/kr/project/api/model/ledger/LedgerRequest.java
index ce3de6e..265e3ab 100644
--- a/src/main/java/go/kr/project/vmis/model/ledger/LedgerRequest.java
+++ b/src/main/java/go/kr/project/api/model/ledger/LedgerRequest.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.model.ledger;
+package go.kr.project.api.model.ledger;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
diff --git a/src/main/java/go/kr/project/vmis/model/ledger/LedgerResponse.java b/src/main/java/go/kr/project/api/model/ledger/LedgerResponse.java
similarity index 99%
rename from src/main/java/go/kr/project/vmis/model/ledger/LedgerResponse.java
rename to src/main/java/go/kr/project/api/model/ledger/LedgerResponse.java
index fff62de..6f3f3c2 100644
--- a/src/main/java/go/kr/project/vmis/model/ledger/LedgerResponse.java
+++ b/src/main/java/go/kr/project/api/model/ledger/LedgerResponse.java
@@ -1,4 +1,4 @@
-package go.kr.project.vmis.model.ledger;
+package go.kr.project.api.model.ledger;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
diff --git a/src/main/java/go/kr/project/externalApi/vo/Envelope.java b/src/main/java/go/kr/project/api/vo/Envelope.java
similarity index 94%
rename from src/main/java/go/kr/project/externalApi/vo/Envelope.java
rename to src/main/java/go/kr/project/api/vo/Envelope.java
index a744f5b..b5f2b83 100644
--- a/src/main/java/go/kr/project/externalApi/vo/Envelope.java
+++ b/src/main/java/go/kr/project/api/vo/Envelope.java
@@ -1,4 +1,4 @@
-package go.kr.project.externalApi.vo;
+package go.kr.project.api.vo;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
diff --git a/src/main/java/go/kr/project/externalApi/vo/VehicleApiResponseVO.java b/src/main/java/go/kr/project/api/vo/VehicleApiResponseVO.java
similarity index 94%
rename from src/main/java/go/kr/project/externalApi/vo/VehicleApiResponseVO.java
rename to src/main/java/go/kr/project/api/vo/VehicleApiResponseVO.java
index 6a203e0..5d99030 100644
--- a/src/main/java/go/kr/project/externalApi/vo/VehicleApiResponseVO.java
+++ b/src/main/java/go/kr/project/api/vo/VehicleApiResponseVO.java
@@ -1,4 +1,4 @@
-package go.kr.project.externalApi.vo;
+package go.kr.project.api.vo;
 
 import lombok.AllArgsConstructor;
 import lombok.Builder;
diff --git a/src/main/java/go/kr/project/externalApi/vo/VehicleBasicInfoVO.java b/src/main/java/go/kr/project/api/vo/VehicleBasicInfoVO.java
similarity index 99%
rename from src/main/java/go/kr/project/externalApi/vo/VehicleBasicInfoVO.java
rename to src/main/java/go/kr/project/api/vo/VehicleBasicInfoVO.java
index a1a8d66..840e622 100644
--- a/src/main/java/go/kr/project/externalApi/vo/VehicleBasicInfoVO.java
+++ b/src/main/java/go/kr/project/api/vo/VehicleBasicInfoVO.java
@@ -1,4 +1,4 @@
-package go.kr.project.externalApi.vo;
+package go.kr.project.api.vo;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
diff --git a/src/main/java/go/kr/project/externalApi/vo/VehicleBasicRequestVO.java b/src/main/java/go/kr/project/api/vo/VehicleBasicRequestVO.java
similarity index 95%
rename from src/main/java/go/kr/project/externalApi/vo/VehicleBasicRequestVO.java
rename to src/main/java/go/kr/project/api/vo/VehicleBasicRequestVO.java
index 4c293cf..afababc 100644
--- a/src/main/java/go/kr/project/externalApi/vo/VehicleBasicRequestVO.java
+++ b/src/main/java/go/kr/project/api/vo/VehicleBasicRequestVO.java
@@ -1,4 +1,4 @@
-package go.kr.project.externalApi.vo;
+package go.kr.project.api.vo;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Builder;
diff --git a/src/main/java/go/kr/project/externalApi/vo/VehicleLedgerRequestVO.java b/src/main/java/go/kr/project/api/vo/VehicleLedgerRequestVO.java
similarity index 95%
rename from src/main/java/go/kr/project/externalApi/vo/VehicleLedgerRequestVO.java
rename to src/main/java/go/kr/project/api/vo/VehicleLedgerRequestVO.java
index e921e48..3fb1d34 100644
--- a/src/main/java/go/kr/project/externalApi/vo/VehicleLedgerRequestVO.java
+++ b/src/main/java/go/kr/project/api/vo/VehicleLedgerRequestVO.java
@@ -1,4 +1,4 @@
-package go.kr.project.externalApi.vo;
+package go.kr.project.api.vo;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Builder;
diff --git a/src/main/java/go/kr/project/externalApi/vo/VehicleLedgerVO.java b/src/main/java/go/kr/project/api/vo/VehicleLedgerVO.java
similarity index 98%
rename from src/main/java/go/kr/project/externalApi/vo/VehicleLedgerVO.java
rename to src/main/java/go/kr/project/api/vo/VehicleLedgerVO.java
index f454797..603c053 100644
--- a/src/main/java/go/kr/project/externalApi/vo/VehicleLedgerVO.java
+++ b/src/main/java/go/kr/project/api/vo/VehicleLedgerVO.java
@@ -1,4 +1,4 @@
-package go.kr.project.externalApi.vo;
+package go.kr.project.api.vo;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
diff --git a/src/main/java/go/kr/project/carInspectionPenalty/search/Controller/CarInspectionPenaltyController.java b/src/main/java/go/kr/project/carInspectionPenalty/search/Controller/CarInspectionPenaltyController.java
index abd6347..147d85d 100644
--- a/src/main/java/go/kr/project/carInspectionPenalty/search/Controller/CarInspectionPenaltyController.java
+++ b/src/main/java/go/kr/project/carInspectionPenalty/search/Controller/CarInspectionPenaltyController.java
@@ -2,8 +2,8 @@ package go.kr.project.carInspectionPenalty.search.Controller;
 
 import egovframework.constant.TilesConstants;
 import egovframework.util.ApiResponseUtil;
-import go.kr.project.externalApi.service.ExternalVehicleApiService;
-import go.kr.project.externalApi.vo.VehicleApiResponseVO;
+import go.kr.project.api.external.service.ExternalVehicleApiService;
+import go.kr.project.api.vo.VehicleApiResponseVO;
 import go.kr.project.common.service.CommonCodeService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 187057d..920aa1f 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -31,7 +31,7 @@ mybatis:
   config-location: classpath:mybatis/mybatis-config.xml
   mapper-locations:
     - classpath:mybatis/mapper/**/*_${Globals.DbType}.xml
-    - classpath:mybatis/mapper/vmis/**/*_${Globals.DbType}.xml
+    - classpath:mybatis/mapper/api-internal/**/*_${Globals.DbType}.xml
   type-aliases-package: go.kr.project.**.model,egovframework.**.model
 
 # Springdoc OpenAPI 설정
diff --git a/src/main/resources/mybatis/mapper/vmis/CarBassMatterInqireMapper_maria.xml b/src/main/resources/mybatis/mapper/api-internal/CarBassMatterInqireMapper_maria.xml
similarity index 99%
rename from src/main/resources/mybatis/mapper/vmis/CarBassMatterInqireMapper_maria.xml
rename to src/main/resources/mybatis/mapper/api-internal/CarBassMatterInqireMapper_maria.xml
index e576e0e..bf98eb3 100644
--- a/src/main/resources/mybatis/mapper/vmis/CarBassMatterInqireMapper_maria.xml
+++ b/src/main/resources/mybatis/mapper/api-internal/CarBassMatterInqireMapper_maria.xml
@@ -2,7 +2,7 @@
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 
-<mapper namespace="go.kr.project.vmis.mapper.VmisCarBassMatterInqireMapper">
+<mapper namespace="go.kr.project.api.internal.mapper.VmisCarBassMatterInqireMapper">
 
     <!-- 시퀀스로 새로운 ID 생성 -->
     <select id="selectNextCarBassMatterInqireId" resultType="String">
diff --git a/src/main/resources/mybatis/mapper/vmis/CarLedgerFrmbkMapper_maria.xml b/src/main/resources/mybatis/mapper/api-internal/CarLedgerFrmbkMapper_maria.xml
similarity index 99%
rename from src/main/resources/mybatis/mapper/vmis/CarLedgerFrmbkMapper_maria.xml
rename to src/main/resources/mybatis/mapper/api-internal/CarLedgerFrmbkMapper_maria.xml
index 855cdf2..842afcc 100644
--- a/src/main/resources/mybatis/mapper/vmis/CarLedgerFrmbkMapper_maria.xml
+++ b/src/main/resources/mybatis/mapper/api-internal/CarLedgerFrmbkMapper_maria.xml
@@ -2,7 +2,7 @@
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 
-<mapper namespace="go.kr.project.vmis.mapper.VmisCarLedgerFrmbkMapper">
+<mapper namespace="go.kr.project.api.internal.mapper.VmisCarLedgerFrmbkMapper">
 
     <!-- 시퀀스로 새로운 마스터/상세 ID 생성 -->
     <select id="selectNextCarLedgerFrmbkId" resultType="String">