The invention is related to a dispense interface for a drug delivery device for delivering at least two drug agents, comprising at least two two-ended flow regulation structures and a confluence, wherein each flow regulation structure comprises a fluid inlet opening at a first end, wherein each flow regulation structure comprises a fluid outlet opening connected to the confluence at a second end of the respective flow regulation structure and wherein at least one of the two-ended flow regulation structures comprises a capillary fluid channel. The invention is further related to a drug delivery device for delivering at least two drug agents comprising a dispense interface of the aforementioned kind, to a method for delivering at least two drug agents through an injection means of a drug delivery device and to a method for manufacturing a dispense interface of the aforementioned kind