Grab your PayPal CLIENT ID and SECRET and fill them in the following files:
- .env
- script.js
- If you want to use a port other than 3000, make sure you adjust the .env file here and also adjust that in the main javascript file in these locations:
- If you want to use SendGrid for sending emails, add your SendGrid API Key in the index.js file here and you can edit the email HTML content in the email_content_html variable here
Once you have configured your credentials, you can run npm i to install the packages and start your app with node index