What is One-Time Password (OTP)? Afiq September 27, 2022 09:00 Updated A one-time password (OTP) is a code that is valid for only one login session or transaction using a mobile phone. Related articles If I do not receive my (OTP) within 60 seconds, what should I do? How do I register a Setel account? How do I change my personal details on my Setel account? How do I change my PIN? Are motorcyclists allowed to use Setel? Comments 0 comments Article is closed for comments.