You must configure Azure Storage CORS:

  1. Go to your Azure Storage Account
  2. Open CORS settings
  3. Add your published site URL
  4. Configure:
    • Allowed Methods: GET, POST
    • Allowed Headers: *
    • Exposed Headers: *
    • Max Age (Expiry): e.g., = 3600

This enables smooth communication between the Salesforce site and Azure.


For a detailed explanation, please refer to: https://satrangtech.freshdesk.com/a/solutions/articles/17000150864