diff --git a/pom.xml b/pom.xml
index 88282ee..bf9a43a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,28 +25,34 @@
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
         </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
+
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
         </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-jpa</artifactId>
         </dependency>
+
         <dependency>
             <groupId>org.springdoc</groupId>
             <artifactId>springdoc-openapi-ui</artifactId>
             <version>1.7.0</version>
         </dependency>
+
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
             <scope>test</scope>
         </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
diff --git a/src/main/java/com/example/nto/App.java b/src/main/java/com/example/nto/App.java
index d771a13..cfd9169 100644
--- a/src/main/java/com/example/nto/App.java
+++ b/src/main/java/com/example/nto/App.java
@@ -1,9 +1,11 @@
 package com.example.nto;
 
+import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
 public class App {
     public static void main(String[] args) {
+        SpringApplication.run(App.class);
     }
 }
diff --git a/src/main/java/com/example/nto/controller/CodeController.java b/src/main/java/com/example/nto/controller/CodeController.java
new file mode 100644
index 0000000..92ba184
--- /dev/null
+++ b/src/main/java/com/example/nto/controller/CodeController.java
@@ -0,0 +1,18 @@
+package com.example.nto.controller;
+
+import com.example.nto.entity.Code;
+import com.example.nto.service.CodeService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequiredArgsConstructor
+public class CodeController {
+
+    private final CodeService codeService;
+
+    @PatchMapping("/api/{login}/open")
+    public Code update(@PathVariable String login, @RequestBody Code newCode) {
+        return codeService.update(login, newCode);
+    }
+}
diff --git a/src/main/java/com/example/nto/controller/EmployeeController.java b/src/main/java/com/example/nto/controller/EmployeeController.java
index fcb92ec..a9e251c 100644
--- a/src/main/java/com/example/nto/controller/EmployeeController.java
+++ b/src/main/java/com/example/nto/controller/EmployeeController.java
@@ -1,4 +1,25 @@
 package com.example.nto.controller;
 
+import com.example.nto.entity.Employee;
+import com.example.nto.service.EmployeeService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequiredArgsConstructor
 public class EmployeeController {
+
+    private final EmployeeService employeeService;
+
+    @GetMapping("api/{login}/info")
+    public Employee findByLogin(@PathVariable String login) {
+        return employeeService.findByLogin(login);
+    }
+
+    @GetMapping("api/{login}/auth")
+    public boolean findExistByLogin(@PathVariable String login) {
+        return employeeService.findExistByLogin(login);
+    }
 }
diff --git a/src/main/java/com/example/nto/entity/Code.java b/src/main/java/com/example/nto/entity/Code.java
index e1009f5..637d9be 100644
--- a/src/main/java/com/example/nto/entity/Code.java
+++ b/src/main/java/com/example/nto/entity/Code.java
@@ -5,11 +5,18 @@ import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+import javax.persistence.*;
+
 @Data
+@Entity
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
+@Table(name = "Code")
 public class Code {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
+    @Column(name = "value")
     private long value;
 }
diff --git a/src/main/java/com/example/nto/entity/Employee.java b/src/main/java/com/example/nto/entity/Employee.java
index aa57aa4..ac539a3 100644
--- a/src/main/java/com/example/nto/entity/Employee.java
+++ b/src/main/java/com/example/nto/entity/Employee.java
@@ -5,17 +5,27 @@ import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+import javax.persistence.*;
 import java.time.LocalDateTime;
 
 @Data
+@Entity
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
+@Table(name = "Employee")
 public class Employee {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
+    @Column(name = "login")
     private String login;
+    @Column(name = "name")
     private String name;
+    @Column(name = "photo")
     private String photo;
+    @Column(name = "position")
     private String position;
+    @Column(name = "lastVisit")
     private LocalDateTime lastVisit;
 }
diff --git a/src/main/java/com/example/nto/repository/CodeRepository.java b/src/main/java/com/example/nto/repository/CodeRepository.java
index 4ca3152..f2edf53 100644
--- a/src/main/java/com/example/nto/repository/CodeRepository.java
+++ b/src/main/java/com/example/nto/repository/CodeRepository.java
@@ -2,6 +2,7 @@ package com.example.nto.repository;
 
 import com.example.nto.entity.Code;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
 
-public interface CodeRepository extends JpaRepository<Code, Long> {
-}
+@Repository
+public interface CodeRepository extends JpaRepository<Code, Long> {}
diff --git a/src/main/java/com/example/nto/repository/EmployeeRepository.java b/src/main/java/com/example/nto/repository/EmployeeRepository.java
index e1265db..c45c153 100644
--- a/src/main/java/com/example/nto/repository/EmployeeRepository.java
+++ b/src/main/java/com/example/nto/repository/EmployeeRepository.java
@@ -2,6 +2,15 @@ package com.example.nto.repository;
 
 import com.example.nto.entity.Employee;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
 
+@Repository
 public interface EmployeeRepository extends JpaRepository<Employee, Long> {
+
+    @Query("select e from Employee e where e.login = ?1")
+    Employee findByLogin(String login);
+
+    @Query("select count(e) = 1 from Employee e where login = ?1")
+    boolean findExistByLogin(String login);
 }
diff --git a/src/main/java/com/example/nto/service/CodeService.java b/src/main/java/com/example/nto/service/CodeService.java
new file mode 100644
index 0000000..6f944ac
--- /dev/null
+++ b/src/main/java/com/example/nto/service/CodeService.java
@@ -0,0 +1,9 @@
+package com.example.nto.service;
+
+
+import com.example.nto.entity.Code;
+
+public interface CodeService {
+
+    Code update(String login, Code newCode);
+}
diff --git a/src/main/java/com/example/nto/service/EmployeeService.java b/src/main/java/com/example/nto/service/EmployeeService.java
index 7b91091..b140c24 100644
--- a/src/main/java/com/example/nto/service/EmployeeService.java
+++ b/src/main/java/com/example/nto/service/EmployeeService.java
@@ -1,4 +1,9 @@
 package com.example.nto.service;
 
+import com.example.nto.entity.Employee;
+
 public interface EmployeeService {
+
+    Employee findByLogin(String login);
+    Boolean findExistByLogin(String login);
 }
diff --git a/src/main/java/com/example/nto/service/impl/EmployeeServiceImpl.java b/src/main/java/com/example/nto/service/impl/EmployeeServiceImpl.java
index 2414533..a2e0f01 100644
--- a/src/main/java/com/example/nto/service/impl/EmployeeServiceImpl.java
+++ b/src/main/java/com/example/nto/service/impl/EmployeeServiceImpl.java
@@ -1,6 +1,44 @@
 package com.example.nto.service.impl;
 
+import com.example.nto.entity.Code;
+import com.example.nto.entity.Employee;
+import com.example.nto.repository.CodeRepository;
+import com.example.nto.repository.EmployeeRepository;
+import com.example.nto.service.CodeService;
 import com.example.nto.service.EmployeeService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.Optional;
+
+@Service
+@RequiredArgsConstructor
+public class EmployeeServiceImpl implements EmployeeService, CodeService {
+
+    private final EmployeeRepository employeeRepository;
+    private final CodeRepository codeRepository;
+
+    @Override
+    public Employee findByLogin(String login) {
+        return employeeRepository.findByLogin(login);
+    }
+
+    @Override
+    public Boolean findExistByLogin(String login) {
+        return employeeRepository.findExistByLogin(login);
+    }
+
+    @Override
+    public Code update(String login, Code newCode) {
+        long employeeId = findByLogin(login).getId();
+
+        Optional<Code> codeOptional = codeRepository.findById(employeeId);
+        if (codeOptional.isEmpty()) throw new RuntimeException("Code with id " + employeeId + "is not found");
+
+        Code code = codeOptional.get();
+        code.setValue(newCode.getValue());
+
+        return codeRepository.save(code);
+    }
 
-public class EmployeeServiceImpl implements EmployeeService {
 }