Check21.com

Check21.com LLC provides merchants and banks with the gateway technology necessary to capture, verify and submit both ACH and X9.37 files (also known as, "Check 21 files"). Unlike all of its competitors, Check21.com does not aggregate check transactions. Instead, each customer of Check21.com is required to open its own individual bank account at the participating financial institutions. To facilitate payments, Check21.com offers merchants a wide array of solutions, including Virtual Check21, Physical Check Scanning, Mobile Capture and Check Verification options.