---
title: "Service OTP Verification Directory"
---

Service OTP Verification Directory: Free Online Inboxes | SMSRiver

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Supported Services

# Service OTP Verification Directory

Choose your target application to view real-time inbound verification messages, carrier anti-VoIP tolerance rules, and expected passcode formats across 18 global platforms.

## Messaging & VoIP

1 Platforms

[WhatsApp

Messaging & VoIP

6 digits (XXX-XXX format)

Receive SMS online for WhatsApp registration and 2FA authentication. Review WhatsApp carrier r…

VoIP Tolerance:

Strict (Cellular Carr…](/verify/whatsapp/)

## Messaging & Security

1 Platforms

[Telegram

Messaging & Security

5 digits (numeric)

Receive SMS verification codes for Telegram login and account creation. Check Telegram carrier…

VoIP Tolerance:

Moderate to Strict (R…](/verify/telegram/)

## Identity & Cloud

1 Platforms

[Google

Identity & Cloud

6 digits (G-XXXXXX prefix format)

Receive SMS online for Google account verification, Gmail signup, and Google Workspace 2FA. In…

VoIP Tolerance:

Strict (Rejects VoIP …](/verify/google/)

## Gaming & Community

1 Platforms

[Discord

Gaming & Community

6 digits (numeric)

Receive SMS online for Discord phone verification and server security bypass. Review Discord V…

VoIP Tolerance:

Strict (Zero VoIP Tol…](/verify/discord/)

## AI Platform

1 Platforms

[OpenAI (ChatGPT)

AI Platform

6 digits (numeric)

Receive SMS verification codes for OpenAI platform and ChatGPT account registration. Check Ope…

VoIP Tolerance:

Strict (Rejects VoIP …](/verify/openai/)

## Gaming & Marketplace

1 Platforms

[Steam (Valve)

Gaming & Marketplace

5 alphanumeric characters (e.g. 5XXXX)

Receive SMS online for Steam Guard 2FA, account recovery, and Steam Community market trading. …

VoIP Tolerance:

Strict (Rejects VoIP …](/verify/steam/)

## Social Media

1 Platforms

[Twitter / X

Social Media

6 digits (numeric)

Receive SMS verification codes for Twitter/X account signup, anti-bot challenge clearance, and…

VoIP Tolerance:

Moderate to Strict (E…](/verify/twitter-x/)

## Short Video & Social

1 Platforms

[TikTok

Short Video & Social

6 digits (numeric)

Receive SMS verification codes online for TikTok signup, live stream access, and account recov…

VoIP Tolerance:

Moderate](/verify/tiktok/)

## Streaming & Entertainment

1 Platforms

[Netflix

Streaming & Entertainment

4 to 6 digits (numeric)

Receive SMS online for Netflix household verification, account recovery, and password resets. …

VoIP Tolerance:

Moderate (Requires Va…](/verify/netflix/)

## Fintech & Payments

1 Platforms

[PayPal

Fintech & Payments

6 digits (numeric)

Receive SMS for PayPal 2FA and developer sandbox testing. Review PayPal strict financial carri…

VoIP Tolerance:

Strict (Financial Ind…](/verify/paypal/)

## Operating System & Identity

1 Platforms

[Apple ID

Operating System & Identity

6 digits (numeric)

Receive SMS verification codes for Apple ID creation, iCloud login, and two-factor recovery. C…

VoIP Tolerance:

Strict (Requires Wire…](/verify/apple/)

## Cloud & Office Suite

1 Platforms

[Microsoft

Cloud & Office Suite

6 to 7 digits (numeric)

Receive SMS online for Microsoft accounts, Azure free tier, Outlook, and Office 365 2FA. Inspe…

VoIP Tolerance:

Moderate to Strict (A…](/verify/microsoft/)

## E-Commerce & AWS

1 Platforms

[Amazon

E-Commerce & AWS

6 digits (numeric)

Receive SMS verification codes for Amazon account registration, OTP sign-in, and AWS activatio…

VoIP Tolerance:

Moderate](/verify/amazon/)

## Mobility & Delivery

1 Platforms

[Uber

Mobility & Delivery

4 digits (numeric)

Receive SMS online for Uber rider and Uber Eats account verification. Check 4-digit Uber passc…

VoIP Tolerance:

Strict (Anti-Fraud De…](/verify/uber/)

## Dating & Social

1 Platforms

[Tinder

Dating & Social

6 digits (numeric)

Receive SMS verification codes online for Tinder account creation and login. Review Tinder str…

VoIP Tolerance:

Strict (Zero VoIP Tol…](/verify/tinder/)

## Visual Messaging

1 Platforms

[Snapchat

Visual Messaging

6 digits (numeric)

Receive SMS online for Snapchat signup and two-factor account security. Check Snapchat 6-digit…

VoIP Tolerance:

Strict](/verify/snapchat/)

## Encrypted Messaging

1 Platforms

[Signal

Encrypted Messaging

6 digits (XXX-XXX format)

Receive SMS online for Signal Private Messenger registration. Review Signal 6-digit OTP codes,…

VoIP Tolerance:

Moderate to Strict (A…](/verify/signal/)

## Professional Network

1 Platforms

[LinkedIn

Professional Network

6 digits (numeric)

Receive SMS online for LinkedIn account security, recruiter access, and two-step verification.…

VoIP Tolerance:

Strict (Anti-Scrape &…](/verify/linkedin/)

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