--- title: "iOS client API docs" slug: "dpo-ios-client-api-docs" updated: 2026-10-27T19:39:11Z published: 2026-10-27T19:39:11Z canonical: "docs.onespan.com/dpo-ios-client-api-docs" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.onespan.com/llms.txt > Use this file to discover all available pages before exploring further. # iOS client API docs There are two ways to access the client API docs for the iOS App SDK: 1. Download and host on your local computer: In the DigipassONE Software package that you downloaded from Sharefile, find the file docs/index.html. Open index.html in a browser to view the Doxygen docs from your local computer. 2. Access from the Digipass S3 Cloud: Log into cloud.noknok.com and then click the following link: [iOS App SDK API Docs](https://cloud.noknok.com/noknok/webapps/nnllauncher/downloads/manuals/iOSAppSDK9_4/index.html) Formerly known as Digipass S3.