diff --git a/backend/src/main/kotlin/plugins/Databases.kt b/backend/src/main/kotlin/plugins/Databases.kt
index 292c9b7..df8e040 100644
--- a/backend/src/main/kotlin/plugins/Databases.kt
+++ b/backend/src/main/kotlin/plugins/Databases.kt
@@ -20,6 +20,6 @@ fun Application.configureDatabases(dotenv: Dotenv) {
         password = dbPassword
     )
 
-    val actionService = ActionService()
-    val authService = AuthService()
+    ActionService.init()
+    AuthService.init()
 }
diff --git a/backend/src/main/kotlin/schemas/Action.kt b/backend/src/main/kotlin/schemas/Action.kt
index 7ffd41c..968eab3 100644
--- a/backend/src/main/kotlin/schemas/Action.kt
+++ b/backend/src/main/kotlin/schemas/Action.kt
@@ -9,8 +9,7 @@ import java.time.format.DateTimeFormatter
 import java.util.UUID
 
 enum class ActionKind {
-    TEXT,
-    SCRIPT;
+    TEXT, SCRIPT;
 
     companion object {
         fun from(it: String): ActionKind {
@@ -33,15 +32,14 @@ class ActionDTO(
     val name: String,
     val kind: ActionKind,
     val source: String,
+    val authId: String,
     val createdAt: String,
     val updatedAt: String
 )
 
 @Serializable
 class NewActionDTO(
-    val name: String,
-    val kind: String,
-    val source: String
+    val name: String, val kind: String, val source: String, val authId: String
 )
 
 class ActionService {
@@ -49,7 +47,7 @@ class ActionService {
         val id = uuid("id").autoGenerate()
         val name = text("name").uniqueIndex()
         val kind = text("kind")
-        val a_source = text("source") // `source` is another property
+        val aSource = text("source") // `source` is another property
         val auth = uuid("auth_id").references(AuthService.Auths.id)
         val createdAt = text("created_at")
         val updatedAt = text("updated_at")
@@ -57,54 +55,74 @@ class ActionService {
         override val primaryKey = PrimaryKey(id)
     }
 
-    init {
-        transaction {
-            SchemaUtils.create(Actions)
+    companion object {
+        fun init() {
+            transaction {
+                SchemaUtils.create(Actions)
+            }
         }
-    }
 
-    fun create(action: NewActionDTO): UUID = transaction {
-        val now = LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)
-        Actions.insert {
-            it[name] = action.name
-            it[kind] = ActionKind.from(action.kind).toString()
-            it[a_source] = action.source
-            it[createdAt] = now
-            it[updatedAt] = now
-        }[Actions.id]
-    }
+        fun create(action: NewActionDTO): UUID = transaction {
+            val now = LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)
+            val authId = UUID.fromString(action.authId)
+            AuthService.read(authId) ?: throw Exception("auth not found")
 
-    fun read(id: UUID): ActionDTO? = transaction {
-        Actions.selectAll()
-            .where { Actions.id eq id }
-            .map {
+            Actions.insert {
+                it[name] = action.name
+                it[kind] = ActionKind.from(action.kind).toString()
+                it[aSource] = action.source
+                it[auth] = authId
+                it[createdAt] = now
+                it[updatedAt] = now
+            }[Actions.id]
+        }
+
+        fun read(id: UUID): ActionDTO? = transaction {
+            Actions.selectAll()
+                .where { Actions.id eq id }
+                .map {
+                    ActionDTO(
+                        it[Actions.id].toString(),
+                        it[Actions.name],
+                        ActionKind.from(it[Actions.kind]),
+                        it[Actions.aSource],
+                        it[Actions.auth].toString(),
+                        it[Actions.createdAt],
+                        it[Actions.updatedAt]
+                    )
+                }.singleOrNull()
+        }
+
+        fun readAll(): List<ActionDTO> = transaction {
+            Actions.selectAll().map {
                 ActionDTO(
                     it[Actions.id].toString(),
                     it[Actions.name],
                     ActionKind.from(it[Actions.kind]),
-                    it[Actions.a_source],
+                    it[Actions.aSource],
+                    it[Actions.auth].toString(),
                     it[Actions.createdAt],
                     it[Actions.updatedAt]
                 )
             }
-            .singleOrNull()
-    }
+        }
 
-    fun update(id: UUID, action: NewActionDTO) {
-        transaction {
-            val now = LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)
-            Actions.update({ Actions.id eq id }) {
-                it[name] = action.name
-                it[kind] = ActionKind.from(action.kind).toString()
-                it[a_source] = action.source
-                it[updatedAt] = now
+        fun update(id: UUID, action: NewActionDTO) {
+            transaction {
+                val now = LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)
+                Actions.update({ Actions.id eq id }) {
+                    it[name] = action.name
+                    it[kind] = ActionKind.from(action.kind).toString()
+                    it[aSource] = action.source
+                    it[updatedAt] = now
+                }
+            }
+        }
+
+        fun delete(id: UUID) {
+            transaction {
+                Actions.deleteWhere { Actions.id eq id }
             }
         }
     }
-
-    fun delete(id: UUID) {
-        transaction {
-            Actions.deleteWhere { Actions.id eq id }
-        }
-    }
 }
diff --git a/backend/src/main/kotlin/schemas/Auth.kt b/backend/src/main/kotlin/schemas/Auth.kt
index 104b378..35b6e0d 100644
--- a/backend/src/main/kotlin/schemas/Auth.kt
+++ b/backend/src/main/kotlin/schemas/Auth.kt
@@ -5,14 +5,15 @@ import org.jetbrains.exposed.sql.*
 import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
 import org.jetbrains.exposed.sql.transactions.transaction
 import java.security.MessageDigest
+import java.time.LocalDateTime
+import java.time.format.DateTimeFormatter
 import java.util.UUID
 
 @Serializable
 class AuthDTO(
     val id: String,
     val name: String,
-    val createdAt: String,
-    val updatedAt: String
+    val createdAt: String
 )
 
 @Serializable
@@ -29,43 +30,53 @@ class AuthService {
         val pin = text("pin")
         val key = text("key")
         val createdAt = text("created_at")
-        val updatedAt = text("updated_at")
 
         override val primaryKey = PrimaryKey(id)
     }
 
-    init {
-        transaction {
-            SchemaUtils.create(Auths)
+    companion object {
+        fun init() {
+            transaction {
+                SchemaUtils.create(Auths)
+            }
         }
-    }
 
-    fun create(action: NewAuthDTO): UUID = transaction {
-        Auths.insert {
-            it[name] = action.name
-            it[pin] = sha256(action.pin)
-            it[key] = sha256(action.key)
-            it[createdAt] = ""
-            it[updatedAt] = ""
-        }[Auths.id]
-    }
+        fun create(action: NewAuthDTO): UUID = transaction {
+            val now = LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)
+            Auths.insert {
+                it[name] = action.name
+                it[pin] = sha256(action.pin)
+                it[key] = sha256(action.key)
+                it[createdAt] = now
+            }[Auths.id]
+        }
 
-    fun read(id: UUID): AuthDTO? = transaction {
-        Auths.selectAll()
-            .where { Auths.id eq id }
-            .map {
+        fun read(id: UUID): AuthDTO? = transaction {
+            Auths.selectAll()
+                .where { Auths.id eq id }
+                .map {
+                    AuthDTO(
+                        it[Auths.id].toString(),
+                        it[Auths.name],
+                        it[Auths.createdAt],
+                    )
+                }.singleOrNull()
+        }
+
+        fun readAll(): List<AuthDTO> = transaction {
+            Auths.selectAll().map {
                 AuthDTO(
                     it[Auths.id].toString(),
                     it[Auths.name],
                     it[Auths.createdAt],
-                    it[Auths.updatedAt]
                 )
-            }.singleOrNull()
-    }
+            }
+        }
 
-    fun delete(id: UUID) {
-        transaction {
-            Auths.deleteWhere { Auths.id eq id }
+        fun delete(id: UUID) {
+            transaction {
+                Auths.deleteWhere { Auths.id eq id }
+            }
         }
     }
 }