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Azure API Management: CORS policy in XML, inbound rules, and developer portal testing
Apply cors() in the inbound section; scope policies per API or operation to avoid leaking origins globally.
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azureapi-managementcors
Subscription keys
CORS does not replace API key validation—keep both layers explicit in documentation.
Trace requests through Application Insights with Origin logged for partner debugging.
Hybrid environments
Private gateways in VNETs may need separate CORS lists than public multi-tenant endpoints.
Rotate management certificates on the same schedule you rotate API keys.