# Universal Link Guide
source: https://developer.mastercard.com/account-to-account-commerce-for-csp/documentation/tutorials-and-guides/universal-link-guide/index.md

## Overview {#overview}

This section will outline instructions on how to facilitate the debtor to initiate an agreement request and payment journey from the creditor's domain. The domain could be an Android mobile application, an iOS application, or a Web application.
It provides instructions on how to fetch the debtor service provider details and invoke their app using universal links.
There are two ways of implementing our solution: use Mastercard provided creditor's library or go standalone.

## Standalone Android Implementation Guide {#standalone-android-implementation-guide}

The Standalone Android Implementation document guides the creditors on how to set up, test, and implement the integration with the manifest file, which contains the debtor service provider's details along with universal/app links in their Android mobile application. For more information, refer to the
[Creditor Android Standalone Implementation Guide_v1.3.0_050325.pdf](https://static.developer.mastercard.com/content/account-to-account-commerce-for-csp/uploads/Creditor%20Android%20Standalone%20Implementation%20Guide_v1.3.0_050325.pdf) (1MB).

## Standalone Web Implementation Guide {#standalone-web-implementation-guide}

This guides the creditors on how to set up, test, and implement the integration with the manifest file, which contains the debtor service provider's details along with universal/app links in their web application. For more information, refer to the
[Creditor Standalone Implementation Guide Web v1.3.0_050325.pdf](https://static.developer.mastercard.com/content/account-to-account-commerce-for-csp/uploads/Creditor%20Standalone%20Implementation%20Guide%20Web%20v1.3.0_050325.pdf) (1MB).

## Standalone iOS Implementation Guide {#standalone-ios-implementation-guide}

The Standalone iOS Implementation document guides the creditors on how to set up, test, and implement the integration with the manifest file, which contains the debtor service provider's details along with universal/app links in their iOS mobile application. For more information, refer to the
[Creditor iOS Standalone Implementation Guide_v1.3.0_050325.pdf](https://static.developer.mastercard.com/content/account-to-account-commerce-for-csp/uploads/Creditor%20iOS%20Standalone%20Implementation%20Guide_v1.3.0_050325.pdf) (1MB).