Important notice to developers


API keys created here were for the Constant Contact v1 API. The Constant Contact v1 API is a deprecated API and should no longer be used by developers to create new integrations. For more information about the v2 API, please go to http://developer.constantcontact.com. All API keys created for the v1 API will NOT work with the v2 API. To manage an existing v1 API key, please email webservices@constantcontact.com