Are you getting a CosEndpoint.APIKey is not valid error when creating a COS target?

When creating an IBM Cloud Object Storage target, the message Your request has failed because the value of CosEndpoint.APIKey is not valid. Set a valid value in your target request and try again. is returned.

Your request fails with an error message and a code of invalid_value.

You are trying to configure a COS target and have not specified --api-key or --service-to-service-enabled TRUE on the request.

Retry the request after adding --api-key with your COS bucket API key. or --service-to-service-enabled TRUE as appropriate for your environment. Specifying --service-to-service-enabled TRUE requires that you have service-to-service authorization configured for your COS bucket.