SAP IDOC, ISO 20022 XML, EDIFACT PAYMUL GenericEDIFACT PAYMUL CRG, EDIFACT DIRDEB , ANSI X12 820 (4020 version).
Flexible as per client requirements.
PKI (DES3 encryption, SHAI[EDI files] & MD5 [non-EDI files] authentication, X509 v3 digital certificates), PGP (FTP Push/Pull only), EDIFACT (AUTACK, CIPHER, & CONFID) using Keyman Keys.
Prior Day: ISO XML, BAI1, BAI2, SWIFT MT940, SAP MT940, EDIFACT FINSTA
Current Day/Intraday: ISO XML, BAI1, BAI2 (All activity since end of prior day).
SAP IDOC, CP2E, EDIFACT, ANSI X12 820, BAI2.
AS2, HTTPS, FTP/s, FTP (Push/Pull), VAN, Connect: Direct (via existing infrastructure supporting Frame Relay, VAN, & B2B VPN).
Citibank Proprietary Flat File Format (CP2E).