Open the Portico Schema site
Portico Developer Guide
Mexico
Special Processing Rules > Installment Payments > Mexico

Portico supports Installment Payments for merchants located in Mexico.  Valid card types for Installment Payments include Visa, Mastercard, American Express, Carnet, and Mexico Privada/Propia cards.

Merchants must provide the following fields:

When sending installment payment data, the currency of the transaction must be Mexican Pesos.  See Transaction Currency.