"Wire transfer" and "SWIFT transfer" are used interchangeably by most people and most bank websites — but they are not exactly the same thing. The short answer: SWIFT is the messaging network; a wire transfer is the broader category of bank-to-bank payment. All international SWIFT transfers are wire transfers, but not all wire transfers use SWIFT.
Wire transfer is a category. It covers any electronic, bank-to-bank transfer where funds move directly between bank accounts without cash or physical media. The term applies to: US domestic wires over Fedwire; UK sterling wires over CHAPS; EU euro transfers over TARGET2; and international cross-border wires over SWIFT. What they all have in common: they are pushed by the sender's bank, settle in real time or near-real time, and are final once settled.
SWIFT is a specific network. SWIFT (Society for Worldwide Interbank Financial Telecommunication) is a Belgian cooperative that provides the secure messaging layer used by 11,000+ financial institutions in 200+ countries to exchange payment instructions, confirmations, and other financial messages. When a bank in Germany sends money to a bank in Japan, the instruction travels as a SWIFT MT103 message. SWIFT itself does not hold or move money — it only carries the message. The actual movement of funds happens through correspondent banking relationships (nostro/vostro accounts).
When bank websites say "wire transfer", they nearly always mean international wire via SWIFT. When they say "domestic wire", they mean Fedwire (US), CHAPS (UK), or the equivalent national RTGS — none of which use SWIFT. So "SWIFT transfer" is a subset of "wire transfer": specifically the cross-border variety.
The practical difference that matters most: domestic wires (Fedwire, CHAPS) are faster (same-day, often minutes) and cheaper ($25–$35 flat) because they use a single national network. International SWIFT wires are slower (1–5 days) and more expensive ($40–$100+ total) because they hop through multiple correspondent banks, each adding fees and screening time. Every international SWIFT wire is identified by a UETR — the 36-character tracking code you can look up free on Ohmyfin.
There is also a category of "non-SWIFT wire" that sometimes confuses people: correspondent dollar clearing through CHIPS (Clearing House Interbank Payments System). CHIPS handles most large-value USD interbank settlement among major US banks — a different network from Fedwire, also not SWIFT. Most consumers and businesses will never interact with CHIPS directly — it is the plumbing used by banks behind the scenes for their own USD settlement.
Almost all do, but not all. Most global banks use SWIFT for cross-border messaging. Some regional alternatives exist: CIPS (China's Cross-border Interbank Payment System) for CNY transactions, India's NPCI for some inward remittances, and bilateral correspondent relationships may use proprietary messaging in niche cases. But for the vast majority of international wire transfers, SWIFT is the network.
No — SEPA (Single Euro Payments Area) uses its own messaging infrastructure (STEP2, EBA Clearing, and for SEPA Instant, RT1 and TIPS). SEPA Credit Transfers within Europe use ISO 20022 messages over EBA or ECB networks, not SWIFT MT messages. SEPA is cheaper and faster for EUR transfers within Europe precisely because it bypasses the SWIFT correspondent network.
Ohmyfin is optimised for international SWIFT GPI tracking by UETR. Domestic wires do not have a UETR — they use national references (IMAD/OMAD for Fedwire; CHAPS reference for UK). To trace a domestic wire, contact your bank with the national reference number.