Hi Developer Team,                    I'm trying to authenticate constant contact from zoho crm.Here i want to add the zoho crm redirect_url under "My Applications" tab of constant contact.      But i am unable to add the custom redirect url.Addition(+) and Removal (-) buttons are disabled like below. Kindly suggest me how can i add and remove the custom redirect url   Thanks and Regards, Mageshwari SS ... View more

Hi Support Team,                The refresh token is getting expired and thus a new access token is not being produced. The error thrown is as following:       {"error_description":"unknown, invalid, or expired refresh token","error":"invalid_grant"}             I'm looking your feedback to overcome this issue. Thanks and Regards, Mageshwari ... View more