diff --git a/api/@ohos.reminderAgent.d.ts b/api/@ohos.reminderAgent.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..96c26e2dce021bf44c655890cba66354e5538ab0
--- /dev/null
+++ b/api/@ohos.reminderAgent.d.ts
@@ -0,0 +1,295 @@
+/*
+ * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { AsyncCallback } from './basic';
+import notification from './@ohos.notification';
+import { NotificationSlot } from './notification/notificationSlot';
+
+/**
+ * Providers static methods for managing reminders, including publishing or canceling a reminder.
+ * adding or removing a notification slot, and obtaining or cancelling all reminders of the current application.
+ *
+ * @since 7
+ * @sysCap Agent-Powered Reminder.
+ * @import reminderAgent from '@ohos.reminderAgent';
+ */
+declare namespace reminderAgent {
+  /**
+   * Publishes a scheduled reminder.
+   *
+   * @since 7
+   * @sysCap Publishes an agent-powered reminder.
+   * @permission ohos.permission.PUBLISH_AGENT_REMINDER
+   * @param reminderReq Indicates the reminder instance to publish.
+   * @param callback Indicates the callback function.
+   * @returns reminder id.
+   */
+  function publishReminder(reminderReq: ReminderRequest, callback: AsyncCallback<number>): void;
+  function publishReminder(reminderReq: ReminderRequest): Promise<number>;
+
+  /**
+   * Cancels a reminder.
+   *
+   * @since 7
+   * @sysCap Cancels the reminder with the specified ID.
+   * @param reminderId Indicates the reminder id.
+   * @param callback Indicates the callback function.
+   */
+  function cancelReminder(reminderId: number, callback: AsyncCallback<void>): void;
+  function cancelReminder(reminderId: number): Promise<void>;
+
+  /**
+   * Obtains all the valid reminders of current application.
+   *
+   * @since 7
+   * @sysCap Obtains all valid (not yet expired) remindeers set by the current application.
+   * @param callback Indicates the callback function.
+   */
+  function getValidReminders(callback: AsyncCallback<Array<ReminderRequest>>): void;
+  function getValidReminders(): Promise<Array<ReminderRequest>>;
+
+  /**
+   * Cancels all the reminders of current application.
+   *
+   * @since 7
+   * @sysCap Cancels all the reminders set by the current application.
+   * @param callback Indicates the callback function.
+   */
+  function cancelAllReminders(callback: AsyncCallback<void>): void;
+  function cancelAllReminders(): Promise<void>;
+
+  /**
+   * Add notification slot.
+   *
+   * @since 7
+   * @sysCap Adds a reminder notification slot.
+   * @param slot Indicates the slot.
+   * @param callback Indicates the callback function.
+   */
+  function addNotificationSlot(slot: NotificationSlot, callback: AsyncCallback<void>): void;
+  function addNotificationSlot(slot: NotificationSlot): Promise<void>;
+
+  /**
+   * Deletes a created notification slot based on the slot type.
+   *
+   * @since 7
+   * @sysCap Removes a notification slot instance of a specified type.
+   * @param slotType Indicates the type of the slot.
+   * @param callback Indicates the callback function.
+   */
+  function removeNotificationSlot(slotType: notification.SlotType, callback: AsyncCallback<void>): void;
+  function removeNotificationSlot(slotType: notification.SlotType): Promise<void>;
+
+  /**
+   * Declares action button type.
+   *
+   * @since 7
+   * @sysCap Define action button type.
+   */
+  export enum ActionButtonType {
+    /**
+     * Button for closing the reminder.
+     * @since 7
+     * @sysCap Agent-Powered reminder.
+     */
+    ACTION_BUTTON_TYPE_CLOSE = 0,
+
+    /**
+     * Button for snoozing the reminder.
+     * @since 7
+     * @sysCap Agent-Powered reminder.
+     */
+    ACTION_BUTTON_TYPE_SNOOZE = 1
+  }
+
+  /**
+   * Declares reminder type.
+   *
+   * @since 7
+   * @sysCap Define reminder type.
+   */
+  export enum ReminderType {
+    /**
+     * Countdown reminder.
+     * @since 7
+     * @sysCap Agent-Powered Reminder.
+     */
+    REMINDER_TYPE_TIMER = 0,
+
+    /**
+     * Calendar reminder.
+     * @since 7
+     * @sysCap Agent-Powered Reminder.
+     */
+    REMINDER_TYPE_CALENDAR = 1,
+
+    /**
+     * Alarm reminder.
+     * @since 7
+     * @sysCap Agent-Powered Reminder.
+     */
+    REMINDER_TYPE_ALARM = 2
+  }
+
+  /**
+   * Action button information. The button will show on displayed reminder.
+   *
+   * @since 7
+   * @sysCap Define action button object.
+   */
+  interface ActionButton {
+    /**
+     * Text on the button.
+     * @since 7
+     * @sysCap Agent-Powered Reminder.
+     */
+    title: string;
+
+    /**
+     * Button type.
+     * @since 7
+     * @sysCap Agent-Powered Reminder.
+     */
+    type: ActionButtonType;
+  }
+
+  /**
+   * Want agent information.
+   * It will switch to target ability when you click the displayed reminder.
+   *
+   * @since 7
+   * @sysCap Define want agent object.
+   */
+  interface WantAgent {
+    /**
+     * Name of the package redirected to when the reminder notification is clicked.
+     * @since 7
+     * @sysCap Agent-Powered Reminder.
+     */
+    pkgName: string;
+
+    /**
+     * Name of the ability that is redirected to when the reminder notification is clicked.
+     * @since 7
+     * @sysCap Agent-Powered Reminder.
+     */
+    abilityName: string;
+  }
+
+  /**
+   * Reminder Common information.
+   *
+   * @since 7
+   * @sysCap Define reminder request object.
+   */
+  interface ReminderRequest {
+    /**
+     * Type of the reminder.
+     * @since 7
+     * @sysCap Agent-Powered Reminder
+     */
+    reminderType: ReminderType;
+
+    /**
+     * Action button displayed on the reminder notification.
+     * (The parameter is optional. Up to two buttons are supported).
+     * @since 7
+     * @sysCap Agent-Powered Reminder
+     */
+    actionButton?: [ActionButton?, ActionButton?];
+
+    /**
+     * Information about the ability that is redirected to when the notification is clicked.
+     * @since 7
+     * @sysCap Agent-Powered Reminder
+     */
+    wantAgent?: WantAgent;
+
+    /**
+     * Reminder title.
+     * @since 7
+     * @sysCap Agent-Powered Reminder
+     */
+    title?: string;
+
+    /**
+     * Reminder content.
+     * @since 7
+     * @sysCap Agent-Powered Reminder
+     */
+    content?: string;
+
+    /**
+     * Content to be displayed when the reminder is snoozing.
+     * @since 7
+     * @sysCap Agent-Powered Reminder
+     */
+    expiredContent?: string;
+
+    /**
+     * notification id. If there are reminders with the same ID, the later one will overwrite the earlier one.
+     * @since 7
+     * @sysCap Agent-Powered Reminder
+     */
+    notificationId?: number;
+
+    /**
+     * Type of the slot used by the reminder.
+     * @since 7
+     * @sysCap Agent-Powered Reminder
+     */
+    slotType?: notification.SlotType;
+  }
+
+  /**
+   * Alarm reminder information.
+   *
+   * @since 7
+   * @sysCap Define alarm reminder object.
+   */
+  interface ReminderRequestAlarm extends ReminderRequest {
+    /**
+     * Hour portion of the reminder time.
+     * @since 7
+     * @sysCap Agent-Powered Reminder
+     */
+    hour: number;
+
+    /**
+     * minute portion of the remidner time.
+     * @since 7
+     * @sysCap Agent-Powered Reminder
+     */
+    minute: number;
+
+    /**
+     * Days of a week when the reminder repeates.
+     * @since 7
+     * @sysCap Agent-Powered Reminder
+     */
+    daysOfWeek?: Array<number>;
+  }
+
+  /**
+   * CountDown reminder information.
+   *
+   * @since 7
+   * @sysCap Define count down timer reminder object.
+   */
+  interface ReminderRequestTimer extends ReminderRequest {
+    triggerTimeInSeconds: number;
+  }
+}
+export default reminderAgent;