I am trying to Create an Application Integration however I keep getting error message.
Thank you for reaching out to Constant Contact API Developer Support. My team is here to assist outside software developers with questions about building into Constant Contact's API.
It looks like you were able to successfully generate a V3 API key within the account you are posting from, so you may have already resolved your issue.
However, if you were trying to use the key you had generated to connect a 3rd party developed integration and at that point were receiving the error, please feel free to let us know more details about the integration you were trying to connect.
You can contact our team directly at firstname.lastname@example.org and reference case #30875001 to let us know more details regarding at which point in the process you are receiving the error and whether you are trying to connect a 3rd party integration or planning on developing your own so that we can better assist with pinpointing the root cause of the issue.
Please have a look and let us know if you have any other questions!
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