API Requests are failing with Authentication Failed (HTTP response code 426 or 403)

Solution Verified - Updated -

Issue

  • Our users started getting an "Authentication failed" error
  • We need help with understanding why our 3scale calls are failing
  • We are seeing 403 errors in our proxy server when making call to services in 3Scale
  • All API Keys are failing with a 403 Forbidden error
  • API Requests are failing with Authentication Failed

Environment

  • Red Hat 3scale API Management
    • saas

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