diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/GetUserDetailApplicationService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/GetUserDetailApplicationService.kt
index 0d67740d..6d990ee2 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/GetUserDetailApplicationService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/GetUserDetailApplicationService.kt
@@ -17,11 +17,12 @@
 package dev.usbharu.hideout.core.application.actor
 
 import dev.usbharu.hideout.core.application.exception.InternalServerException
-import dev.usbharu.hideout.core.application.shared.LocalUserAbstractApplicationService
+import dev.usbharu.hideout.core.application.shared.AbstractApplicationService
 import dev.usbharu.hideout.core.application.shared.Transaction
 import dev.usbharu.hideout.core.domain.model.actor.ActorRepository
 import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiRepository
-import dev.usbharu.hideout.core.domain.model.support.principal.FromApi
+import dev.usbharu.hideout.core.domain.model.support.principal.Principal
+import dev.usbharu.hideout.core.domain.model.userdetails.UserDetailId
 import dev.usbharu.hideout.core.domain.model.userdetails.UserDetailRepository
 import org.slf4j.LoggerFactory
 import org.springframework.stereotype.Service
@@ -33,10 +34,10 @@ class GetUserDetailApplicationService(
     private val customEmojiRepository: CustomEmojiRepository,
     transaction: Transaction,
 ) :
-    LocalUserAbstractApplicationService<Unit, UserDetail>(transaction, Companion.logger) {
-    override suspend fun internalExecute(command: Unit, principal: FromApi): UserDetail {
-        val userDetail = userDetailRepository.findById(principal.userDetailId)
-            ?: throw IllegalArgumentException("User ${principal.userDetailId} does not exist")
+    AbstractApplicationService<GetUserDetail, UserDetail>(transaction, Companion.logger) {
+    override suspend fun internalExecute(command: GetUserDetail, principal: Principal): UserDetail {
+        val userDetail = userDetailRepository.findById(UserDetailId(command.id))
+            ?: throw IllegalArgumentException("User ${command.id} does not exist")
         val actor = actorRepository.findById(userDetail.actorId)
             ?: throw InternalServerException("Actor ${userDetail.actorId} not found")
 
@@ -46,6 +47,6 @@ class GetUserDetailApplicationService(
     }
 
     companion object {
-        private val logger = LoggerFactory.getLogger(GetUserDetailApplicationService::class.java)
+        val logger = LoggerFactory.getLogger(GetUserDetailApplicationService::class.java)
     }
 }
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/application/shared/LocalUserAbstractApplicationServiceTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/application/shared/LocalUserAbstractApplicationServiceTest.kt
index a52a29d7..581bac6a 100644
--- a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/application/shared/LocalUserAbstractApplicationServiceTest.kt
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/application/shared/LocalUserAbstractApplicationServiceTest.kt
@@ -1,5 +1,6 @@
 package dev.usbharu.hideout.core.application.shared
 
+import dev.usbharu.hideout.core.application.exception.PermissionDeniedException
 import dev.usbharu.hideout.core.domain.model.support.principal.Anonymous
 import dev.usbharu.hideout.core.domain.model.support.principal.FromApi
 import kotlinx.coroutines.test.runTest
@@ -17,7 +18,7 @@ class LocalUserAbstractApplicationServiceTest {
             }
         }
 
-        org.junit.jupiter.api.assertThrows<IllegalArgumentException> {
+        org.junit.jupiter.api.assertThrows<PermissionDeniedException> {
             value.execute(Unit, Anonymous)
         }
     }
diff --git a/hideout-mastodon/src/main/kotlin/dev/usbharu/hideout/mastodon/interfaces/api/SpringAccountApi.kt b/hideout-mastodon/src/main/kotlin/dev/usbharu/hideout/mastodon/interfaces/api/SpringAccountApi.kt
index a860cded..15b9226b 100644
--- a/hideout-mastodon/src/main/kotlin/dev/usbharu/hideout/mastodon/interfaces/api/SpringAccountApi.kt
+++ b/hideout-mastodon/src/main/kotlin/dev/usbharu/hideout/mastodon/interfaces/api/SpringAccountApi.kt
@@ -16,7 +16,9 @@
 
 package dev.usbharu.hideout.mastodon.interfaces.api
 
+import dev.usbharu.hideout.core.application.actor.GetUserDetail
 import dev.usbharu.hideout.core.application.actor.GetUserDetailApplicationService
+import dev.usbharu.hideout.core.application.exception.PermissionDeniedException
 import dev.usbharu.hideout.core.application.relationship.acceptfollowrequest.AcceptFollowRequest
 import dev.usbharu.hideout.core.application.relationship.acceptfollowrequest.UserAcceptFollowRequestApplicationService
 import dev.usbharu.hideout.core.application.relationship.block.Block
@@ -159,7 +161,11 @@ class SpringAccountApi(
     override suspend fun apiV1AccountsVerifyCredentialsGet(): ResponseEntity<CredentialAccount> {
         val principal = principalContextHolder.getPrincipal()
         val localActor =
-            getUserDetailApplicationService.execute(Unit, principal)
+            getUserDetailApplicationService.execute(
+                GetUserDetail(
+                    principal.userDetailId?.id ?: throw PermissionDeniedException()
+                ), principal
+            )
 
         return ResponseEntity.ok(
             CredentialAccount(