diff --git a/yobble/Network/ChatModels.swift b/yobble/Network/ChatModels.swift
index 0d42395..718048a 100644
--- a/yobble/Network/ChatModels.swift
+++ b/yobble/Network/ChatModels.swift
@@ -331,6 +331,20 @@ struct RelationshipStatus: Decodable {
     }
 }
 
+extension RelationshipStatus {
+    init(
+        isTargetInContactsOfCurrentUser: Bool,
+        isCurrentUserInContactsOfTarget: Bool,
+        isTargetUserBlockedByCurrentUser: Bool,
+        isCurrentUserInBlacklistOfTarget: Bool
+    ) {
+        self.isTargetInContactsOfCurrentUser = isTargetInContactsOfCurrentUser
+        self.isCurrentUserInContactsOfTarget = isCurrentUserInContactsOfTarget
+        self.isTargetUserBlockedByCurrentUser = isTargetUserBlockedByCurrentUser
+        self.isCurrentUserInBlacklistOfTarget = isCurrentUserInBlacklistOfTarget
+    }
+}
+
 enum JSONValue: Decodable {
     case string(String)
     case int(Int)
diff --git a/yobble/Network/ContactsService.swift b/yobble/Network/ContactsService.swift
index 130800d..ea2eb6b 100644
--- a/yobble/Network/ContactsService.swift
+++ b/yobble/Network/ContactsService.swift
@@ -3,6 +3,7 @@ import Foundation
 enum ContactsServiceError: LocalizedError {
     case unexpectedStatus(String)
     case decoding(debugDescription: String)
+    case encoding(String)
 
     var errorDescription: String? {
         switch self {
@@ -12,6 +13,8 @@ enum ContactsServiceError: LocalizedError {
             return AppConfig.DEBUG
                 ? debugDescription
                 : NSLocalizedString("Не удалось загрузить контакты.", comment: "Contacts service decoding error")
+        case .encoding(let message):
+            return message
         }
     }
 }
@@ -30,15 +33,26 @@ struct ContactsListPayload: Decodable {
     let hasMore: Bool
 }
 
+private struct ContactCreateRequestPayload: Encodable {
+    let userId: UUID?
+    let login: String?
+    let friendCode: String?
+    let customName: String?
+}
+
 final class ContactsService {
     private let client: NetworkClient
     private let decoder: JSONDecoder
+    private let encoder: JSONEncoder
 
     init(client: NetworkClient = .shared) {
         self.client = client
         self.decoder = JSONDecoder()
         self.decoder.keyDecodingStrategy = .convertFromSnakeCase
         self.decoder.dateDecodingStrategy = .custom(Self.decodeDate)
+
+        self.encoder = JSONEncoder()
+        self.encoder.keyEncodingStrategy = .convertToSnakeCase
     }
 
     func fetchContacts(limit: Int, offset: Int, completion: @escaping (Result<ContactsListPayload, Error>) -> Void) {
@@ -88,6 +102,63 @@ final class ContactsService {
         }
     }
 
+    func addContact(userId: UUID, customName: String?, completion: @escaping (Result<ContactPayload, Error>) -> Void) {
+        let request = ContactCreateRequestPayload(
+            userId: userId,
+            login: nil,
+            friendCode: nil,
+            customName: customName
+        )
+
+        guard let body = try? encoder.encode(request) else {
+            let message = NSLocalizedString("Не удалось подготовить данные запроса.", comment: "Contacts service encoding error")
+            completion(.failure(ContactsServiceError.encoding(message)))
+            return
+        }
+
+        client.request(
+            path: "/v1/user/contact/add",
+            method: .post,
+            body: body,
+            requiresAuth: true
+        ) { [decoder] result in
+            switch result {
+            case .success(let response):
+                do {
+                    let apiResponse = try decoder.decode(APIResponse<ContactPayload>.self, from: response.data)
+                    guard apiResponse.status == "fine" else {
+                        let message = apiResponse.detail ?? NSLocalizedString("Не удалось добавить контакт.", comment: "Contacts service add unexpected status")
+                        completion(.failure(ContactsServiceError.unexpectedStatus(message)))
+                        return
+                    }
+                    completion(.success(apiResponse.data))
+                } catch {
+                    let debugMessage = Self.describeDecodingError(error: error, data: response.data)
+                    if AppConfig.DEBUG {
+                        print("[ContactsService] decode contact add failed: \(debugMessage)")
+                    }
+                    completion(.failure(ContactsServiceError.decoding(debugDescription: debugMessage)))
+                }
+            case .failure(let error):
+                if case let NetworkError.server(_, data) = error,
+                   let data,
+                   let message = Self.errorMessage(from: data) {
+                    completion(.failure(ContactsServiceError.unexpectedStatus(message)))
+                    return
+                }
+                completion(.failure(error))
+            }
+        }
+    }
+
+    func addContact(userId: UUID, customName: String?) async throws -> ContactPayload {
+        try await withCheckedThrowingContinuation { continuation in
+            addContact(userId: userId, customName: customName) { result in
+                continuation.resume(with: result)
+            }
+        }
+    }
+
     private static func decodeDate(from decoder: Decoder) throws -> Date {
         let container = try decoder.singleValueContainer()
         let string = try container.decode(String.self)
diff --git a/yobble/Resources/Localizable.xcstrings b/yobble/Resources/Localizable.xcstrings
index a0815d7..aad5f36 100644
--- a/yobble/Resources/Localizable.xcstrings
+++ b/yobble/Resources/Localizable.xcstrings
@@ -581,9 +581,6 @@
     "Добавить контакт" : {
       "comment" : "Message profile add contact alert title"
     },
-    "Добавление контакта появится позже." : {
-      "comment" : "Contact add placeholder message"
-    },
     "Добавление новых блокировок появится позже." : {
       "comment" : "Add blocked user placeholder message"
     },
@@ -856,6 +853,9 @@
     },
     "Имя в чате" : {
 
+    },
+    "Имя не может быть пустым." : {
+      "comment" : "Contact add empty name error"
     },
     "Имя, логин и статус — как в профиле Telegram." : {
       "comment" : "Message profile about description"
@@ -1337,6 +1337,9 @@
     "Не удалось выполнить поиск." : {
       "comment" : "Search error fallback\nSearch service decoding error"
     },
+    "Не удалось добавить контакт." : {
+      "comment" : "Contacts service add unexpected status"
+    },
     "Не удалось заблокировать пользователя." : {
       "comment" : "Blocked users create unexpected status"
     },
@@ -1441,6 +1444,9 @@
     "Не удалось определить пользователя для блокировки." : {
       "comment" : "Message profile missing user id error"
     },
+    "Не удалось определить пользователя для добавления." : {
+      "comment" : "Contact add invalid user id error"
+    },
     "Не удалось открыть чат" : {
       "comment" : "Chat creation error title"
     },
@@ -1454,7 +1460,7 @@
 
     },
     "Не удалось подготовить данные запроса." : {
-      "comment" : "Blocked users create encoding error\nBlocked users delete encoding error\nProfile update encoding error"
+      "comment" : "Blocked users create encoding error\nBlocked users delete encoding error\nContacts service encoding error\nProfile update encoding error"
     },
     "Не удалось подготовить изображение для загрузки." : {
       "comment" : "Avatar encoding error"
diff --git a/yobble/Views/Chat/MessageProfileView.swift b/yobble/Views/Chat/MessageProfileView.swift
index 9fe9e47..8c44e74 100644
--- a/yobble/Views/Chat/MessageProfileView.swift
+++ b/yobble/Views/Chat/MessageProfileView.swift
@@ -289,7 +289,9 @@ struct MessageProfileView: View {
                         rowDivider
                         if let profile = currentChatProfile {
                             NavigationLink {
-                                ContactAddView(contact: ContactEditInfo(profile: profile))
+                                ContactAddView(contact: ContactEditInfo(profile: profile)) { payload in
+                                    handleContactAdded(payload)
+                                }
                             } label: {
                                 filledActionLabel(
                                     title: NSLocalizedString("Добавить в контакты", comment: "Message profile add to contacts title"),
@@ -563,6 +565,37 @@ struct MessageProfileView: View {
         )
     }
 
+    private func handleContactAdded(_ payload: ContactPayload) {
+        guard let profile = currentChatProfile else { return }
+
+        let existingRelationship = profile.relationship
+        let updatedRelationship = RelationshipStatus(
+            isTargetInContactsOfCurrentUser: true,
+            isCurrentUserInContactsOfTarget: existingRelationship?.isCurrentUserInContactsOfTarget ?? false,
+            isTargetUserBlockedByCurrentUser: existingRelationship?.isTargetUserBlockedByCurrentUser ?? false,
+            isCurrentUserInBlacklistOfTarget: existingRelationship?.isCurrentUserInBlacklistOfTarget ?? false
+        )
+
+        let updatedProfile = ChatProfile(
+            userId: profile.userId,
+            login: profile.login,
+            fullName: profile.fullName,
+            customName: payload.customName ?? profile.customName,
+            bio: profile.bio,
+            lastSeen: profile.lastSeen,
+            createdAt: profile.createdAt,
+            avatars: profile.avatars,
+            stories: profile.stories,
+            permissions: profile.permissions,
+            profilePermissions: profile.profilePermissions,
+            relationship: updatedRelationship,
+            rating: profile.rating,
+            isOfficial: profile.isOfficial
+        )
+
+        chatProfile = updatedProfile
+    }
+
     private func handleEditContactTap() {
         showPlaceholderAction(
             title: NSLocalizedString("Ошибка", comment: "Common error title"),
diff --git a/yobble/Views/Contacts/ContactAddView.swift b/yobble/Views/Contacts/ContactAddView.swift
index d5c6f6c..9ced035 100644
--- a/yobble/Views/Contacts/ContactAddView.swift
+++ b/yobble/Views/Contacts/ContactAddView.swift
@@ -2,12 +2,18 @@ import SwiftUI
 
 struct ContactAddView: View {
     let contact: ContactEditInfo
+    let onContactAdded: ((ContactPayload) -> Void)?
+
+    @Environment(\.dismiss) private var dismiss
+    private let contactsService = ContactsService()
 
     @State private var displayName: String
     @State private var activeAlert: ContactAddAlert?
+    @State private var isSaving = false
 
-    init(contact: ContactEditInfo) {
+    init(contact: ContactEditInfo, onContactAdded: ((ContactPayload) -> Void)? = nil) {
         self.contact = contact
+        self.onContactAdded = onContactAdded
         let initialName = contact.preferredName
         _displayName = State(initialValue: initialName)
     }
@@ -18,16 +24,21 @@ struct ContactAddView: View {
 
             Section(header: Text(NSLocalizedString("Публичная информация", comment: "Contact add public info section title"))) {
                 TextField(NSLocalizedString("Отображаемое имя", comment: "Display name field placeholder"), text: $displayName)
+                    .disabled(isSaving)
             }
         }
         .navigationTitle(NSLocalizedString("Новый контакт", comment: "Contact add title"))
         .navigationBarTitleDisplayMode(.inline)
         .toolbar {
             ToolbarItem(placement: .confirmationAction) {
-                Button(NSLocalizedString("Сохранить", comment: "Contact add save button")) {
-                    handleSaveTap()
+                if isSaving {
+                    ProgressView()
+                } else {
+                    Button(NSLocalizedString("Сохранить", comment: "Contact add save button")) {
+                        handleSaveTap()
+                    }
+                    .disabled(!hasChanges)
                 }
-                .disabled(!hasChanges)
             }
         }
         .alert(item: $activeAlert) { item in
@@ -116,10 +127,46 @@ struct ContactAddView: View {
     }
 
     private func handleSaveTap() {
-        activeAlert = ContactAddAlert(
-            title: NSLocalizedString("Скоро", comment: "Common soon title"),
-            message: NSLocalizedString("Добавление контакта появится позже.", comment: "Contact add placeholder message")
-        )
+        guard !isSaving else { return }
+
+        guard let userId = UUID(uuidString: contact.userId) else {
+            activeAlert = ContactAddAlert(
+                title: NSLocalizedString("Ошибка", comment: "Common error title"),
+                message: NSLocalizedString("Не удалось определить пользователя для добавления.", comment: "Contact add invalid user id error")
+            )
+            return
+        }
+
+        let trimmedName = displayName.trimmingCharacters(in: CharacterSet.whitespacesAndNewlines)
+        guard !trimmedName.isEmpty else {
+            activeAlert = ContactAddAlert(
+                title: NSLocalizedString("Ошибка", comment: "Common error title"),
+                message: NSLocalizedString("Имя не может быть пустым.", comment: "Contact add empty name error")
+            )
+            return
+        }
+
+        isSaving = true
+        let customName = trimmedName
+
+        Task {
+            do {
+                let payload = try await contactsService.addContact(userId: userId, customName: customName)
+                await MainActor.run {
+                    isSaving = false
+                    onContactAdded?(payload)
+                    dismiss()
+                }
+            } catch {
+                await MainActor.run {
+                    isSaving = false
+                    activeAlert = ContactAddAlert(
+                        title: NSLocalizedString("Ошибка", comment: "Common error title"),
+                        message: error.localizedDescription
+                    )
+                }
+            }
+        }
     }
 }