MonkCMS Help

After you have setup your seller account, all we need is your api credentials.

If you are using standard, all we will need is the email address for the account.

If you are using pro, we will need complete api credentials. To find these...

• Log into your paypal account
• Click the 'My Account' tab on the far left
• Click the 'Profile' tab on the far right
• Click the 'API Access' link in the first column
• Click the option: 'Request API Credentials'
• Select the option for 'Request API Signature'
• Send us the API Credentials and we will apply them to your account

Troubleshooting

There are several errors that will prevent payment processing from occurring.  If regular PayPal payments are able to be processed, but credit card payments do not go through, check for one of these errors.

Error 10002: Security header is not valid

This error is most commonly caused by an error in the security credentials (Gateway User ID, Gateway Password, or Gateway Signature/Transaction Key).  Confirm that the credentials are from the live site (not a PayPal developer account), and that the strings have been copied exactly, with no leading or trailing spaces/tabs/newlines.

Error 10501: This transaction cannot be processed due to an invalid merchant configuration.

This error indicates that the PayPal Pro Merchant Account has not been fully set up. In addition to the account creation, there are signatures that need to be sent in. The virtual terminal page includes a checklist of what needs to be completed. Complete the full PayPal setup process, then see if transactions process properly.

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