Hello JohnR8516, ZainabL0 & SDC1715,
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.
I can confirm that the behavior you encountered of not being able to edit existing V3 applications/keys on 03/23 was part of our scheduled maintenance on 03/22 & 03/23. I apologize for any inconvenience this may have caused as I understand how important it is that our users have access to edit their applications.
Developer Community Notice RE: V3 API Maintenance Notification - March 22nd & 23rd, 2022
https://community.constantcontact.com/t5/Authentication-and-Access-ie-401/V3-API-Maintenance-Notification-March-22nd-amp-23rd-2022/m-p/384798
We apologize for the short notice of the maintenance window. Due to the approaching deadline for the retirement of our previous authorization service, we had to move quickly on the required system maintenance. We appreciate your feedback about our maintenance notifications being more specific in what functionality will be affected during these periods. Your feedback and experience is essential to improving our product, so thank you for reaching out to us regarding this matter.
Please let us know if you have any other questions!
Regards,
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