Systems and methods for managing payments. One construction of the system includes a software enabled user interface accessible by a first party and a second party, at least one computer readable memory, and a processor. The processor is configured to selectively operate in a specified billing mode in response to an input received from the first party. The processor is configured to receiving invoice details from the first party when operating in the specified billing mode and from the second party when not operating in the specified billing mode. The processor is further configured to generate an invoice based on the invoice details, display the invoice to the first party and the second party, and request an approval or a rejection of the invoice from the first party or the second party.