Why Property Apps Should Use Dedicated OTP APIs Instead of DIY SMS Verification

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Developers building property-management login systems are advised to use dedicated SMS OTP APIs rather than coding their own verification logic from scratch. A dedicated OTP-and-verify endpoint pair handles code generation and matching, while the application retains control over expiry policies, resend timers, lockouts, and audit trails. This separation simplifies compliance reviews by clearly linking login attempts, recipients, and verification outcomes without relying on scattered in-house code tables. A Python example demonstrates the recommended flow, where a correlation ID ties the OTP request to the verification step and idempotency keys prevent network retries from triggering duplicate actions. General-purpose SMS send routes still serve a role for non-login notices, such as account-change alerts, but should not be substituted for the dedicated authentication challenge path.

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