V3 API Maintenance Notification - March 10th, 2022

Constant Contact will be conducting maintenance on our V3 API today, March 10th, from approximately 1:00 PM to 3:00 PM ET.

 

During this time period, any applications/integrations which have not yet been updated to use our new authorization management service (as documented here) will receive a 401 Unauthorized error response to any requests made to our V3 API.

 

The following categories of applications will not be affected:

  • V3 applications which have been updated to use our new authorization service
  • V3 applications registered since Feb. 10th
  • Applications using our V2 API

 

Thank you in advance for your patience.

 

 

For all applications affected by this maintenance, please note:

Our previous V3 API authorization management service will no longer be available as of March 31st.

If you have any questions about updating your application, please contact our API Support team at webservices@constantcontact.com

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