amyegrossman Posted October 6, 2011 Share Posted October 6, 2011 I've searched the forum and have not been able to figure out how to get the free paypal module to work! I am experiencing the "Security header is not valid" error. I realize this means my credentials are not valid, but I have copied and pasted them without luck. I initially tested with a sandbox account successfully, but now that I've changed to the business account API settings this is happening. I'm using the free paypal module, 1.4, the one that was included with prestashop when I downloaded it. I have done the following: 1. reset the module 2. created a new paypal business account 3. It's currently set to Inactive in Sandbox mode 4. the payment type is Authorization/Manual Capture (is this correct?) 6. PayPal Express and Debug only is not checked 7. For the Solution section, I have chosen "Payments by credit cards: CB, Visa, Mastercard and PayPal account" 8. Also, the paypal business account is set to Website Payments Standard What should I do? My client is becoming very frustrated and wants to go live. PLEASE HELP! THANKS IN ADVANCE! Link to comment Share on other sites More sharing options...
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