Hey Paul,
There are no work around as this is how the specification of oAuth2 was written. At this time we don't have a way to verify more than one redirect URI to an API key. The only work around that comes to mind is to use oAuth1 which you can find information for here.
Please let me know if this helps.
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Hey Andy,
I think the issue may be that when you have created your API key you set the URL redirect to a certain point and you are using a different one in your code. Thus you are receiving an error. Please check that and let me know as I was able to get my code after matching the two of them.
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Hey Andy,
Can you provide us with the rest of your code. If you do not wish to post it you can send it to webservices@constantcontact.com and I can get it from there.
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