About LauraV545

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.   Access tokens automatically expire two hours after their last use, with a maximum lifetime of twenty four hours. The refresh token does not expire unless it is used or a new refresh token has been generated. Refresh tokens can only be used once, as generating a new set of tokens causes all previous tokens to expire.   You will need to set the access token and the refresh token as values for corresponding variables in your application, so that when your program runs through step 5 of the OAuth2.0 Server Flow to get the new set of tokens it can assign new values to those variables to maintain an authenticated connection.   V3 API - Refresh the Access Token https://v3.developer.constantcontact.com/api_guide/server_flow.html#step-5-refresh-the-access-token   How to Make Access Tokens Last Longer https://developer.constantcontact.com/api_guide/faqs_manage_applications.html ... View more

I found that this was not documented in the API Reference, and not in the Get Activity Summary section of the API Docs, but it was present in the prior section in the API Docs: "Contact Activity Reporting Overview". It clarifies that the limit is 5 years. ... View more