SIM OTPs Management

Receives OTPs for
Logins & Payments

OTP Syncer securely captures SMS one-time passwords from your SIM and delivers them instantly to your browser or API, making authentication faster, safer, and automation-ready.

View pricing How it works
Browser extension · Unlimited devices · API Access
OTP Syncer Preview
Your OTP flow at a glance
  • SIM receives OTP
    Our infrastructure receives the code.
  • Server sends to cloud
    The code is secured and synced.
  • Extension gets OTP
    Use it instantly in your browser.
Features

Why choose OTP Syncer?

Designed for teams and individuals who rely heavily on SMS-based authentication.

Real-time sync

OTPs received on your SIM are securely captured and synced to the cloud in real time.

Service control

Manage and organize high volumes of OTP requests during automation workflows.

End-to-end security

Your OTPs are encrypted and only accessible to you and your trusted devices.

Cloud backup

We encrypt and store your OTPs in the cloud, keeping them available whenever you need them.

Browser extension

Access your OTPs instantly through a browser extension, optimized for login and 2FA flows.

API access

Access OTPs through secure APIs for automation, integrations, and custom workflows.

Architecture

How does OTP Syncer work?

Three components work together to maintain a secure, reliable OTP workflow.

OTPSyncerServer

A server running in our infrastructure that receives SIM-based OTPs, encrypts them, and prepares them for secure synchronization.

  • Gateway to the cloud
  • Runs in our infrastructure
OTPSyncerCloud

A cloud service that stores encrypted OTP entries and keeps them synchronized across all authorized endpoints.

  • Service Control
  • End-to-end security
OTPSyncerExtension

A browser extension that connects to OTPSyncerCloud and receives OTPs for use during 2FA or login flows.

  • Simple, focused UI
  • Quick access to recent OTPs
Pricing

Simple, SIM-based pricing

Pricing scales with the number of SIMs you connect. No hidden fees.

Single SIM

Perfect for testing purposes.

$99/month
  • 1 SIM number
  • Real-time OTPs
  • Unlimited devices
  • API Access
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Dual SIM

Perfect for production-ready applications.

$399/month
  • 5 SIM numbers
  • Real-time OTPs
  • Unlimited devices
  • API Access
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Multiple SIMs

Designed for teams and businesses.

Custom
  • 5+ SIM numbers
  • Real-time OTPs
  • Unlimited devices
  • API Access
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FAQ

Frequently Asked Questions

Common questions about security, usage, and limitations.

OTP Syncer is a secure system that captures OTPs sent to your SIM cards and instantly syncs them to the cloud, making them available in your browser or via API for logins, payments, and 2FA workflows.

Your SIM receives the OTP as usual. Our infrastructure securely captures the message, encrypts it, and syncs it to the cloud, where it can be accessed by authorized devices or integrations.

Yes. All OTPs are encrypted end-to-end. Only you and your trusted devices or API keys can access them. We never expose OTPs to third parties, and access is fully controlled by you.

Yes. OTP Syncer provides secure API access, allowing you to fetch OTPs programmatically for automation workflows, integrations, CI/CD pipelines, and custom systems.

OTPs are delivered in real time. As soon as the SIM receives the message, it is encrypted and synced to the cloud, typically becoming available within seconds.