---
title: "Introduction"
slug: "e-commerce-platforms-1"
updated: 2026-05-06T19:10:02Z
published: 2026-05-06T19:10:02Z
canonical: "developer.upgrade.com/e-commerce-platforms-1"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://developer.upgrade.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

Welcome to Flex Pay's documentation for E-Commerce Platforms!

In this section, you will find step-by-step guides on how to install Flex Pay on your website store!

## Supported E-Commerce Platforms

Select any of the links below to be directed to the step-by-step guides for setting up Flex Pay on your website

| ![shopify-logo-primary-logo-456baa801ee66a0a435671082365958316831c9960c480451dd0330bcdae304f.svg](https://cdn.document360.io/ff52d920-99b4-4c2b-9b32-5d5fe9700cb0/Images/Documentation/shopify-logo-primary-logo-456baa801ee66a0a435671082365958316831c9960c480451dd0330bcdae304f.svg) [**Shopify**](/v1/docs/installing-the-flex-pay-app) | ![Salesforce Logo.jpeg](https://cdn.document360.io/ff52d920-99b4-4c2b-9b32-5d5fe9700cb0/Images/Documentation/Salesforce%20Logo.jpeg) **Salesforce Commerce Cloud** **(COMING SOON)** |
| --- | --- |