How to add Mercado Pago:

From the dashboard, select Settings.

Navigate to Integrations.

Choose Mercado Pago.

Input your public key and access token. Click Save.

Proceed to Payments, add Mercado Pago, and select Save.

Return to the dashboard. Go to orders, then All.

Open any unpaid order and open a new tab for payments.

Choose Mercado Pago as the payment method.

Click the Pay with Mercado Pago button.

Confirm the payment and copy and paste the credit card number. Click Continue.

Customers should enter their ID.

Click on Payment, add their email, and confirm.

Wait for the payment to complete and send a WhatsApp message. This action should mark the invoice as paid, completing the customer's payment process.