---
title: "Discussion on \"Engineering Identity Verification: Messaging Presence vs. SMS OTP\" | Hashnode"
description: "Discussion on \"Engineering Identity Verification: Messaging Presence vs. SMS OTP\". Real-time verification of account existence is a critical step in reducing friction during onboarding, but developers must handle asynchronous API responses and rate-limiting to maintain system stability."
url: "https://hashnode.com/posts/engineering-identity-verification-messaging-presence-vs-sms-otp/6ad0a4e210439173826b8f11"
---

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Discussion

# [Engineering Identity Verification: Messaging Presence vs. SMS OTP](https://ekycpro.hashnode.dev/engineering-identity-verification-messaging-presence-vs-sms-otp?utm_source=hashnode&utm_medium=feed)

Real-time verification of account existence is a critical step in reducing friction during onboarding, but developers must handle asynchronous API responses and rate-limiting to maintain system stability.

Oct 15 · 7 min read · ekycpro.hashnode.dev  
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-   [#backend](https://hashnode.com/tag/backend)
-   [#api](https://hashnode.com/tag/api)
-   [#identity](https://hashnode.com/tag/identity)

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https://ekycpro.com Real-time phone number verification API for developers. One number, instant results, easy integration.

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