Guide to integrating MercadoPago into the system.
Enter your MercadoPago details at the following link:
https://www.mercadopago.com.ar/developers/panel (the link may change depending on the country of mercadopago)
Create new Application
Load application data
Name: The name of the ISP company.
Products Available: Checkout PRO.
Activate Credentials
Check Credentials
Copy the 4 data, Public Key, Access Token, Client ID, Client Secret and upload them to the system.