Changes to Accept being the authorized signer

added the optional property error/authorization to the response with the 400 status

added the optional property error/authorization to the response with the 401 status

added the optional property error/authorization to the response with the 403 status

added the optional property error/authorization to the response with the 404 status

added the optional property error/authorization to the response with the 409 status

added the optional property error/authorization to the response with the default status

added the required property kind to the response with the 200 status

added optional request body

added the non-success response with the status 400

api tag customer-session added

endpoint added