https://community.developer.cybersource.com/t5/Integration-and-Testing/SIM-Hosted-Page-and-my-API-Login-ID/m-p/36509#M20303 <P>Hello, I am implementing a Card Not Present transactions using the Secure Hosted Payment Form through SIM. &nbsp;According to the example (<A target="_blank" href="http://developer.authorize.net/downloads/samplecode/">http://developer.authorize.net/downloads/samplecode</A>&nbsp; - SIM - C#)&nbsp;, I must post to the "...authorize.net/gateway/transact.dll" and I have to use my API Login ID with my generated fingerprint. &nbsp;My question is whether or not there is another way to protect my API Login ID. &nbsp;Sending it to the client browser to initiate the POST seems like a bad idea. &nbsp;Am I being too nervous?</P><P>&nbsp;</P><P>Thank you for your time.</P> Wed, 30 Oct 2013 16:03:29 GMT bbdev2011 2013-10-30T16:03:29Z https://community.developer.cybersource.com/t5/Integration-and-Testing/SIM-Hosted-Page-and-my-API-Login-ID/m-p/36509#M20303 <P>Hello, I am implementing a Card Not Present transactions using the Secure Hosted Payment Form through SIM. &nbsp;According to the example (<A target="_blank" href="http://developer.authorize.net/downloads/samplecode/">http://developer.authorize.net/downloads/samplecode</A>&nbsp; - SIM - C#)&nbsp;, I must post to the "...authorize.net/gateway/transact.dll" and I have to use my API Login ID with my generated fingerprint. &nbsp;My question is whether or not there is another way to protect my API Login ID. &nbsp;Sending it to the client browser to initiate the POST seems like a bad idea. &nbsp;Am I being too nervous?</P><P>&nbsp;</P><P>Thank you for your time.</P> Wed, 30 Oct 2013 16:03:29 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/SIM-Hosted-Page-and-my-API-Login-ID/m-p/36509#M20303 bbdev2011 2013-10-30T16:03:29Z https://community.developer.cybersource.com/t5/Integration-and-Testing/SIM-Hosted-Page-and-my-API-Login-ID/m-p/36511#M20304 <P>No other way, just make sure you don't post your transactionKey on the form.</P><P>Or use AIM.</P> Wed, 30 Oct 2013 16:17:56 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/SIM-Hosted-Page-and-my-API-Login-ID/m-p/36511#M20304 RaynorC1emen7 2013-10-30T16:17:56Z