The present application relates to a dispense interface comprising at least a first flat part tightly connected with a second flat part, wherein at least one of the at least two flat parts comprises at least one deepening configured for forming at least one part of a channel profile, wherein the at least one deepening is formed by embossing, wherein the channel profile comprises at least a first inlet channel and a second inlet channel and at least one outlet channel, wherein each of the at least two inlet channels is configured for fluid communication with a respective reservoir of at least two reservoirs.