Soap, Encryption, Authentication, Rest Apis, Workday Studio, Xml, Smp, Access Points, Json, Boomi, Mulesoft, SII, Security, Workday Financials, EU ViDA, UBL, Peppol Network Architecture, ERP integrations, electronic document exchange standards, Sml, Peppol, Digital Signatures, Azure Integration Services, middleware technologies, Avalara E-Invoicing, e-document transmission protocols, KSeF, compliance requirements, sdi, global tax compliance frameworks