Yes—**20-minute tickets are sold in ticket vending machines, and you can pay by credit/debit card.**

- **Metro stations:** Ticket machines are available at all stations. They have an English-language option and accept cards. [Metro ticket information](https://www.inyourpocket.com/poland/warsaw/venues/bus-and-tram-transportation)
- **On buses and trams:** You can buy tickets from onboard machines, which accept **card payments only**. Bus and tram drivers do not sell tickets. [Official SKM FAQ](https://www.skm.warszawa.pl/en/faq-2/)
- **Other locations:** You can buy tickets at machines near some stops, newsstands and ZTM Passenger Service Centres. Street/station machines accept cash as well as cards. You can also purchase tickets through apps such as Jakdojade. [Warsaw Tourism Office](https://go2warsaw.pl/en/getting-around-warsaw/)

The standard **20-minute ticket costs PLN 3.40** and covers zones 1 and 2. If you buy a paper ticket before boarding, validate it immediately upon entering the bus or tram, or at the metro entrance gate. [Official fares and validation guidance](https://go2warsaw.pl/en/getting-around-warsaw/)