Straight through processing (STP). Ensuring timely and cost-efficient payments. Global Payments and Cash Management, payment services, SWIFT payment, customer credit transfer for a single payment, fund transfer. International Payment Systems, payment message format, payment systems, SWIFT Message Format, cover payments, cross border wire transfers. What is MT103 (SWIFT)? Is mt103 proof of payment? What is swift 103 message type? What is mt101 and mt103? What is the difference between 103 and 202? MT103 - A standardised SWIFT payment confirmation. An MT103 is a standardised SWIFT payment message used specifically for cross border/international wire transfers. An MT103 serves as a valid proof of payment including all the payment details such as payment date, amount, currency, sender and recipient details. The MT103 is a SWIFT message format used for making payments. MT103 SWIFT payments are known as international wire transfers, telegraphic transfers, standard EU payments (SEPA payments), LVTS in Canada, etc. Format Description SWIFT MT103. MT103 - Detail view for message. What's an MT103? MT103 Formatting Requirements.