===== One-Time PIN (OTP) ===== [[dido:public:ra:xapend:xapend.a_glossary:start| Return to Glossary ]] A **One-Time PIN (OTP)** is a [[dido:public:ra:xapend:xapend.a_glossary:p:pin]] code that is valid for only one login session or transaction using a mobile phone. There are a number of ways to deliver one-time passwords and pins with the two most common and secure ways being through proprietary [[dido:public:ra:xapend:xapend.a_glossary:t:tokens|tokens]] and mobile phones. ... Source: [[https://www.infobip.com/glossary/otp-one-time-pin-code]]