-This package allows the developer to interact easily with the [YouCan Pay API](https://pay.youcan.shop/docs).
+This package allows the developer to interact easily with the [YouCan Pay API](https://pay.youcan.shop/docs).
-## Basic Usage
+This documentation is separated in two integrations: **Default Integration** and the **Standalone Integration**.
+you have the choice to do one integration or both integrations in your checkout page.
+## YouCan Pay SDK Setup
+Instructions for adding the YouCan Pay SDK to your PHP Applications.
+
+### Step 1. Requirements
+* YouCan Pay Account.
+* Your YouCan Pay `private_key` and `public_key` available in Settings > API Keys.
+* Visual Studio Code or Sublime Text or any IDE.
+* Website with SSL, required only if you want to use the **default mode** for your payments.
+* Composer installed in your development environment.
+
+### Step 2. Add YouCan Pay SDK
+Open your PHP project, add the following.
+* Run this command to download and include YouCan Pay PHP SDK in your project.
+ If you can't install composer, you can manually download the SDK from GitHub `https://github.com/NextmediaMa/youcan-payment-php-sdk/archive/refs/heads/master.zip`.
```bash
-composer install youcanpay/payment-sdk
+composer require youcanpay/payment-sdk
+```
+
+### Step 2.1 YouCan Pay: Default Integration
+You can make payments directly on your site, with the possibility of choosing the position in the DOM.
+
+If you choose to use JS integration, you must have an SSL certificate to run in production mode.
+
+2.1.1: Copy this JS script between `...`
+```html
+
```
+2.1.2: Choose where you want to display payment information (Full Name, Card Numbers, CCV...), must be placed between the `...` tags.
+```html
+
+
+```
+
+2.1.3: Add this code just before the end of the `...