Abstract: A computer-implemented method for peer-based invoice auditing is described. The computer-implemented method includes the steps of generating a first plurality of rate data by scraping rate data from a first invoice, first classifying the first plurality of rate data based on identifying rate data types in the first plurality of rate data, first populating a plurality of rate tables with the first plurality of rate data based on the rate data types in the first plurality of rate data, wherein each of the plurality of rate tables are populated with rate data from previously scraped invoices and each of the plurality of rate tables tracks a different type of rate data, first auditing the invoice based on comparing a plurality of values generated from data in each of the plurality of rate tables, and generating first audit result data based on the first auditing.