diff --git a/api/@ohos.application.BackupExtensionAbility.d.ts b/api/@ohos.application.BackupExtensionAbility.d.ts
index a03b3095196ecc5863cf928d630896c9556a9af2..147010c2a5ca8b556eeddb4e945458e2e3b53391 100644
--- a/api/@ohos.application.BackupExtensionAbility.d.ts
+++ b/api/@ohos.application.BackupExtensionAbility.d.ts
@@ -168,6 +168,32 @@ declare class BackupExtensionAbility {
    * @since 20
    */
   onRelease(scenario: number): Promise<void>;
+
+  /**
+   * Callback to be called when getting application backup compatibilityInfo.
+   * Developer could override this method to provide the backup compatibilityInfo.
+   *
+   * @param { string } extInfo Information about the capabilities of the peer.
+   * @returns { Promise<string> } Return backup compatibilityInfo, support promise.
+   * @syscap SystemCapability.FileManagement.StorageService.Backup
+   * @systemapi
+   * @StageModelOnly
+   * @since 20
+   */
+  getBackupCompatibilityInfo(extInfo: string) : Promise<string>;
+
+  /**
+   * Callback to be called when getting application restore compatibilityInfo.
+   * Developer could override this method to provide the restore compatibilityInfo.
+   *
+   * @param { string } extInfo Information about the capabilities of the peer.
+   * @returns { Promise<string> } Return restore compatibilityInfo, support promise.
+   * @syscap SystemCapability.FileManagement.StorageService.Backup
+   * @systemapi
+   * @StageModelOnly
+   * @since 20
+   */
+  getRestoreCompatibilityInfo(extInfo: string) : Promise<string>;
 }
 
 export default BackupExtensionAbility;
diff --git a/api/@ohos.file.backup.d.ts b/api/@ohos.file.backup.d.ts
index 723db6e50adf6b59397f842c5ae4b8f938dbe6a8..4310765c872cf78e6e4bd37d333a46abbc4f8910 100644
--- a/api/@ohos.file.backup.d.ts
+++ b/api/@ohos.file.backup.d.ts
@@ -677,6 +677,21 @@ declare namespace backup {
      * @since 20
      */
     cleanBundleTempDir(bundleName: string): Promise<boolean>;
+
+    /**
+     * Provides an interface for the tool to get compatibility info.
+     * @permission ohos.permission.BACKUP
+     * @param { string } bundleName - Set the bundleName of the application that need to get compatibilityInfo.
+     * @param { string } extInfo - Indicates the extension information of application.
+     * @returns { Promise<string> } Return compatibility info.
+     * @throws { BusinessError } 201 - Permission verification failed, usually the result returned by VerifyAccessToken.
+     * @throws { BusinessError } 202 - Permission verification failed,
+     *     application which is not a system application uses system API.
+     * @syscap SystemCapability.FileManagement.StorageService.Backup
+     * @systemapi
+     * @since 20
+     */
+    getCompatibilityInfo(bundleName: string, extInfo: string): Promise<string>;
   }
 
   /**
@@ -901,6 +916,21 @@ declare namespace backup {
      * @since 20
      */
     cleanBundleTempDir(bundleName: string): Promise<boolean>;
+
+    /**
+     * Provides an interface for the tool to get compatibility info.
+     * @permission ohos.permission.BACKUP
+     * @param { string } bundleName - Set the bundleName of the application that need to get compatibilityInfo.
+     * @param { string } extInfo - Indicates the extension information of application.
+     * @returns { Promise<string> } Return compatibility info.
+     * @throws { BusinessError } 201 - Permission verification failed, usually the result returned by VerifyAccessToken.
+     * @throws { BusinessError } 202 - Permission verification failed,
+     *     application which is not a system application uses system API.
+     * @syscap SystemCapability.FileManagement.StorageService.Backup
+     * @systemapi
+     * @since 20
+     */
+    getCompatibilityInfo(bundleName: string, extInfo: string): Promise<string>;
   }
 
   /**
@@ -1059,6 +1089,21 @@ declare namespace backup {
      * @since 20
      */
     cleanBundleTempDir(bundleName: string): Promise<boolean>;
+
+    /**
+     * Provides an interface for the tool to get compatibility info.
+     * @permission ohos.permission.BACKUP
+     * @param { string } bundleName - Set the bundleName of the application that need to get compatibilityInfo.
+     * @param { string } extInfo - Indicates the extension information of application.
+     * @returns { Promise<string> } Return compatibility info.
+     * @throws { BusinessError } 201 - Permission verification failed, usually the result returned by VerifyAccessToken.
+     * @throws { BusinessError } 202 - Permission verification failed,
+     *     application which is not a system application uses system API.
+     * @syscap SystemCapability.FileManagement.StorageService.Backup
+     * @systemapi
+     * @since 20
+     */
+    getCompatibilityInfo(bundleName: string, extInfo: string): Promise<string>;
   }
 }
 export default backup;