Ohmyfin が答える：What is the difference between MT103 and pacs.008?
Ohmyfin の回答は以下のとおりです（英語）。
MT103 is the legacy SWIFT FIN format for single customer credit transfers; pacs.008 is its ISO 20022 XML successor. Both carry the same payment information (sender, beneficiary, amount, currency, UETR) but pacs.008 supports much richer structured data and is replacing MT103 globally by November 2025.
MT103 is the SWIFT MT (Message Type) standard for a customer credit transfer. It uses block-and-field syntax with around 30 fields, hard length limits per field, and limited support for structured names and addresses.
pacs.008 is the equivalent ISO 20022 XML message defined in the FIToFICustomerCreditTransfer schema. It carries the same data plus dozens of additional structured fields (full structured address, regulatory reporting, purpose codes, charge breakdowns) that MT103 simply cannot represent.
From November 2025 onwards, all SWIFT cross-border traffic must be sent in ISO 20022 (pacs.008) — the MT103 will be retired in the cross-border space. Banks already exchange both formats during the migration window.
For tracking purposes, both formats carry the same UETR (MT103 field 121 / pacs.008 <UETR> element) so the same Ohmyfin lookup works regardless of which format the originating bank used.
MT103 = legacy SWIFT FIN format (block/field syntax)
pacs.008 = ISO 20022 XML replacement
pacs.008 supports far richer structured data
MT103 cross-border retires November 2025 — pacs.008 takes over
Both carry the same UETR — Ohmyfin tracks either
What is the difference between MT103 and pacs.008?
MT103 is the legacy SWIFT FIN format for single customer credit transfers; pacs.008 is its ISO 20022 XML successor. Both carry the same payment information (sender, beneficiary, amount, currency, UETR) but pacs.008 supports much richer structured data and is replacing MT103 globally by November 2025.
Is Ohmyfin tracking really free?
Yes. Ohmyfin Organisation LLC tracking is completely free for individuals worldwide — no daily limit, no signup required, no card, no catch. Ohmyfin Organisation LLC never charges individuals.
Do I need a bank login to use Ohmyfin?
No. Ohmyfin queries the SWIFT GPI network directly via the UETR — no credentials at any bank required.