diff --git a/index.d.ts b/index.d.ts
index 54e82aa..560a94c 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -197,6 +197,12 @@ declare namespace WAWebJS {
         
         /** Sync history conversation of the Chat */
         syncHistory(chatId: string): Promise<boolean>
+
+        /** Save new contact to user's addressbook or edit the existing one */
+        saveOrEditAddressbookContact(phoneNumber: string, firstName: string, lastName: string, syncToAddressbook?: boolean): Promise<ChatId>
+
+        /** Deletes the contact from user's addressbook */
+        deleteAddressbookContact(honeNumber: string): Promise<void>
         
         /** Changes and returns the archive state of the Chat */
         unarchiveChat(chatId: string): Promise<boolean>
diff --git a/src/Client.js b/src/Client.js
index 3f339ce..e6de355 100644
--- a/src/Client.js
+++ b/src/Client.js
@@ -1773,6 +1773,39 @@ class Client extends EventEmitter {
             return false;
         }, chatId);
     }
+
+    /**
+     * Save new contact to user's addressbook or edit the existing one
+     * @param {string} phoneNumber The contact's phone number in a format "17182222222", where "1" is a country code
+     * @param {string} firstName 
+     * @param {string} lastName 
+     * @param {boolean} [syncToAddressbook = false] If set to true, the contact will also be saved to the user's address book on their phone. False by default
+     * @returns {Promise<import('..').ChatId>} Object in a wid format
+     */
+    async saveOrEditAddressbookContact(phoneNumber, firstName, lastName, syncToAddressbook = false)
+    {
+        return await this.pupPage.evaluate(async (phoneNumber, firstName, lastName, syncToAddressbook) => {
+            return await window.Store.AddressbookContactUtils.saveContactAction(
+                phoneNumber,
+                null,
+                firstName,
+                lastName,
+                syncToAddressbook
+            );
+        }, phoneNumber, firstName, lastName, syncToAddressbook);
+    }
+
+    /**
+     * Deletes the contact from user's addressbook
+     * @param {string} phoneNumber The contact's phone number in a format "17182222222", where "1" is a country code
+     * @returns {Promise<void>}
+     */
+    async deleteAddressbookContact(phoneNumber)
+    {
+        return await this.pupPage.evaluate(async (phoneNumber) => {
+            return await window.Store.AddressbookContactUtils.deleteContactAction(phoneNumber);
+        }, phoneNumber);
+    }
 }
 
 module.exports = Client;
diff --git a/src/util/Injected/Store.js b/src/util/Injected/Store.js
index 84e3c37..fa65252 100644
--- a/src/util/Injected/Store.js
+++ b/src/util/Injected/Store.js
@@ -141,6 +141,10 @@ exports.ExposeStore = () => {
         ...window.require('WAWebApiMembershipApprovalRequestStore'),
         ...window.require('WASmaxGroupsMembershipRequestsActionRPC')
     };
+    window.Store.AddressbookContactUtils = {
+        ...window.require('WAWebSaveContactAction'),
+        ...window.require('WAWebDeleteContactAction')
+    };
 
     if (!window.Store.Chat._find || !window.Store.Chat.findImpl) {
         window.Store.Chat._find = e => {