I am a developer for poptin.com and I am working on an integration with Constant Contact. I am using OAuth to authenticate with your platform. But there seems to be an issue, when the user authorizes a second time, the tokens that were issued on the first time become invalid. This doesn't happen with OAuth on other platforms. Is this a security thing? In Poptin, the client can choose to connect the Constant Contact integration in a few places, but as soon as they will try to authenticate and connect in multiple places, old integrations will stop working. How to work around this? Is there a way there to make the authentication work with multiple tokens?
Do the old OAuth tokens become invalid when new ones are issues?
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