Cardless automated teller machine (CATM) is an electronic gadget that empowers the bank’s clients to perform monetary transactions such as dispensing cash to their clients, pay bills and transfer of money. The customary approach of an ATM utilizes the use of debit card for its transactions have its limitation. The challenges in utilizing such system are extortion, security and high probability of users forgetting their passwords. In this work, we propose a straightforward paradigm called CATM. The proposed CATM model used a five tuple finite machine. In the proposed platform a thumb print (Biometric) framework is utilized. The platform will improve services to clients, also secure, effective and efficient systems will be achieved.