Mexico (CFDI 4.0)
Need: RFC, fiscal regime, fiscal address ZIP, CSD certificate (.cer + .key + password). Upload both files; the system validates before saving. Test stamp on a $1 dummy invoice before going live.
United States
Need: legal name, EIN, state of incorporation. No certificate — US invoicing is non-government-stamped. Optional: state sales tax setup if you sell physical goods.
Spain (Facturae / VeriFactu)
Need: CIF, legal address, electronic signature certificate. Facturae XML generation is built in; VeriFactu integration enabled per the 2026 regulation.
Brazil (NF-e / NFS-e)
Need: CNPJ, state and municipal registration, A1 digital certificate. NF-e (products) and NFS-e (services) handled per municipality where supported.
Canada
Need: business number (BN), GST/HST registration if applicable. Provincial tax presets included.