How do I contact the TWINT business customer support?

If you have signed a contract with TWINT Acquiring

You can contact TWINT support for merchants at:
058 667 98 44 (CHF 0.08 per minute)
Monday to Friday
9 a.m. to 5 p.m.
[email protected]

If you have signed a contract with Worldline

Please contact Worldline directly with any questions you may have about payment terminals or machines:
[email protected] 
0848 83 20 00