## Ways to use One-Time Passcode

- **Secure authentication flows:** Add One-Time Passcode (OTP) as a second factor to strengthen login security and reduce account takeover risk.
- **Protect high-risk transactions:** Require OTP verification for sensitive actions such as fund transfers, password resets, or device changes.
- **Support regulatory compliance:** Use OTP in workflows to meet MFA and step-up authentication requirements in regulated industries.
- **Enhance onboarding and recovery:** Confirm control of a phone number or email during sign-up or recovery flows.
- **Reduce fraud with adaptive triggers:** Trigger OTP only when risk signals indicate elevated risk, minimizing friction for trusted users.

## Global coverage

OTP is available globally in **180+ countries** and supports international phone numbers formatted in **E.164**. It can be delivered to users via **SMS**, **voice call**, or **email**.

## Industries it fits

- **Financial services**: Step-up for transfers, withdrawals, account recovery, and compliance checks.
- **E-commerce & payments**: Confirm medium-risk transactions, verify new wallets, reduce CNP fraud.
- **Gaming & social platforms**: Prevent account takeover and secure in-game transactions.
- **Telecommunications**: Mitigate port-out fraud with SIM swap detection, secure line activations.
- **Workforce & enterprise**: Remote access verification, enterprise login step-up.
- **Advance Prefill**: Add possession proof to reduce synthetic identity fraud.

## Business and operational outcomes

### 1. For compliance and risk teams

- Stronger proof of possession than static credentials.
- Supports MFA requirements across regulated industries.
- Detect mismatches when combined with Socure KYC or fraud modules.

### 2. For growth and onboarding teams

- **Low friction**: Trigger OTP only when predictive signals indicate medium risk.
- **Global flexibility**: Works with SMS, voice, and email channels worldwide.
- **One layer of trust**: Combine OTP with identity checks to streamline onboarding.

### 3. For support and operations

- **Reliable delivery**: Optimized routing achieves high global delivery rates.
- **Detailed logs**: Track session IDs, attempt counts, and errors for fast resolution.
- **Configurable cooldowns**: Prevent abuse with retry and resend limits.

## Performance considerations

- Sub-second OTP generation.
- 95%+ delivery success globally.
- 99.99% uptime with redundancy and failover.
- Supports tens of millions of OTP per day.

## Boundary conditions

- Delivery success may vary by carrier ecosystem.
- Works best when combined with Socure identity and fraud signals.
- Should not be the sole proof of identity or ownership.
