On this page, you will find more information about the most common causes and most relevant solutions for the Bing error 'InvalidAuthorization'. Do you need help straight away? Visit our support page.
The Microsoft Corporation documentation indicates that error code 'InvalidAuthorization' is caused by the following problem: "Bing returns InvalidAuthorization when Bing cannot authenticate the caller. For example, the Ocp-Apim-Subscription-Key header is missing or the subscription key is not valid. Redundancy occurs if you specify more than one authentication method.".
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