Currently the client used a coupon in MELI, there is a variety of coupon types in MELI. And some of them are not included in VTEX OMS calculations.

In VTEX OMS, the value of the order can be different from what MELI sold to the client, due to some coupon type are not being considering while creating the order in VTEX.

For ME1 orders, if the seller needs to have the correct value of the order, in order to send the invoice value to MELI, they can use the field in VTEX OMS called "total_paid_amount", this field is currently considering all coupon values.