Payments are processed by Dodo Payments, which acts as the merchant of record for all purchases. Billing is not live yet.
einvoicecheck.ae is a preflight validator. It is not FTA-accredited, it does not transmit legal e-invoices, it does not replace an accredited service provider, and it does not provide statutory archival.
Before you file anything, check the official Ministry of Finance and Federal Tax Authority guidance and use an accredited service provider from the official list.