Merchants and third parties may often rely on third party BIN databases to procure BIN data. Visa has found that this practice often can lead to acceptance issues, causing unnecessary declines and impacts to payment operations processes. Visa analyzed the accuracy of a leading third third-party BIN database and found that across all analyzed BIN attributes, only 32% of the third-party BIN data was accurate when compared to Visa data. Read about Third Party BIN data one pager.