This guide covers the most frequently asked questions about the connection process and usage.
Troubleshooting and Frequently Asked Questions
The transaction failed due to error message: transactionKey' element is invalid - The value XXXXX is invalid according to its datatype 'String' - The actual length is greater than the MaxLength value
It usually happens when you have an email entered instead of the actual transaction key.
Follow the Connection Guide fully to get the transaction key / credentials that Authorize.net requires.
This error occurs when the market type is incorrect on Authorize.net side (for example when the market place was set up as Lodging/Retail as shown below)
For further information please check this article from Authorize.net support center.
Please contact Authorize.net support team to set up your 'Market Type' correctly. You will need to ensure that your authorize.net account is set up as e-commerce.