We’ve been using the API successfully for more than a year. Suddenly, our authorization for API request has been withdrawn or broken or something. We are still authorized for the sandbox application.
What could cause this and whom do we go to for help?
Very unlikely that the calls-per-second or calls-per-day has been exceeded. (How would we find out?)
Our PHP application is giving error httpsException: Unauthorized.
Just joined the forum today and would really appreciate the wisdom of community on this.
Our API requests do various things, like initiate campaigns, tag Contacts, request orders and more.
We’re totally blocked now. Help, please, if you can.