Changes to API Usage

api tag Key removed

the response property api_key_monthly_call_credit became required for the status 200

the response property api_key_rate_limit_request_per_minute became required for the status 200

the response property current_remaining_monthly_calls became required for the status 200

the response property current_total_monthly_calls became required for the status 200

the response property monthly_call_credit became required for the status 200

the response property plan became required for the status 200

the response property rate_limit_request_per_minute became required for the status 200

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

added the optional property api_key_monthly_call_credit to the response with the 200 status

added the optional property api_key_rate_limit_request_per_minute to the response with the 200 status