https://community.developer.cybersource.com/t5/Integration-and-Testing/checking-out-problem/m-p/55165#M30095 <P>trying to check out and complete an order online only to get this error multiple times - <STRONG>User authentication failed. The account or API user is inactive</STRONG>. any ideas?</P> Sun, 10 Jul 2016 21:19:46 GMT Krayzieness 2016-07-10T21:19:46Z https://community.developer.cybersource.com/t5/Integration-and-Testing/checking-out-problem/m-p/55165#M30095 <P>trying to check out and complete an order online only to get this error multiple times - <STRONG>User authentication failed. The account or API user is inactive</STRONG>. any ideas?</P> Sun, 10 Jul 2016 21:19:46 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/checking-out-problem/m-p/55165#M30095 Krayzieness 2016-07-10T21:19:46Z https://community.developer.cybersource.com/t5/Integration-and-Testing/checking-out-problem/m-p/55175#M30105 <P>Hello&nbsp;<a href="https://community.developer.cybersource.com/t5/user/viewprofilepage/user-id/20321">@Krayzieness</a></P> <P>&nbsp;</P> <P>As the message suggests, the API Login and Transaction Key used for your account is incorrect. &nbsp;Please triple check these are correct and for the correct environment. &nbsp;Our production and sandbox accounts are separate and you cannot use credentials for one system in the other.</P> <P>&nbsp;</P> <P>Richard</P> Mon, 11 Jul 2016 15:18:06 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/checking-out-problem/m-p/55175#M30105 RichardH 2016-07-11T15:18:06Z