---
title: "How Much Does It Cost to Build SMS & OTP? | UniqueSide"
description: "Building sms & otp costs $900-$2,700 in ~3 days. Cost breakdown and recommended tech."
url: "https://www.uniqueside.io/feature-cost/sms-and-otp"
canonical: "https://www.uniqueside.io/feature-cost/sms-and-otp"
type: "feature-cost"
date: "2026-05-10"
lastmod: "2026-06-08"
---

# How Much Does It Cost to Build SMS & OTP?

Adding sms & otp to a product typically costs between $900 and $2,700, and takes about 3 days. Sending SMS one-time codes and verifying phone numbers during signup or checkout.

## Cost & Timeline

- Managed service integration: from $900
- Custom build: up to $2,700
- Timeline: ~3 days
- Complexity: Low

## Recommended Tech

- Twilio
- Node.js

## Build It with UniqueSide

UniqueSide builds features like sms & otp as part of a 15-day MVP, or as a standalone add-on. Fixed price, direct engineer access, 100% code ownership.

[MVP development services](https://www.uniqueside.io/mvp-development-services) · [Pricing](https://www.uniqueside.io/pricing) · [Start a project](https://tally.so/r/wdaQ1N)