Request error: Client error: `POST https://gw-fatoora.zatca.gov.sa/e-invoicing/simulation/production/csids` resulted in a `401 Unauthorized` response:
You are not authorized to use this api endpoint
Array
(
    [uri] => https://gw-fatoora.zatca.gov.sa/e-invoicing/simulation/production/csids
    [method] => POST
)