<b>P21 Simple API</b> enables you to accept check payments. It offers the industry's most comprehensive suite of check image creation and clearing solutions. With Check 21, you will receive your funds within the same day by check or direct deposit.<br/><br/>To activate the Check 21 option, please contact us via email at: <a href="mailto:support@payment21.com">support@payment21.com</a> or by phone at: 1-888-770-0850 (US Toll Free) or 0041-71-740-1629 (International).<br/><br/><a href="http://www.payment21.com" target="_blank">www.payment21.com</a>