SIMRelay Blog
When someone in your team needs to log into a shared business account, the SMS verification code often ends up on the wrong phone. SIMRelay solves this problem by hosting real SIM cards and forwarding incoming SMS messages to your team through the channels they already use — Slack, Microsoft Teams, mobile apps, browser extensions, or webhooks.
In this blog, we share practical guides on managing SMS verification codes across teams, securing shared account access, and building authentication workflows for AI agents. Whether you're an IT admin tired of chasing down OTPs, a developer integrating SMS-based authentication, or a team lead looking to streamline account access — you'll find actionable insights here.
AI agents fail at SMS 2FA. Learn why SMS verification is the biggest obstacle for autonomous agents and how to solve it with real SIM infrastructure. Everything you need to know about SMS forwarding for business: how it works, key features, implementation guide, and use cases by department. Can't access Facebook Business Manager? SMS verification failing? Immediate solutions for businesses + how to prevent this permanently. Stop forwarding SMS codes manually. Learn how teams share OTP verification codes securely without sharing personal phones. Free trial available.
Why AI Agents Struggle with SMS Authentication (And How to Fix It)
The Complete Guide to SMS Forwarding for Business Teams
Facebook Business Manager Locked Out: What to Do When the SMS Verification Code Doesn't Arrive
How to Share SMS Verification Codes with Your Team (Without Sharing Your Phone)
What You'll Find Here
Our articles cover three core topics: First, how business teams can share SMS verification codes securely without passing around phones or SIM cards. Second, how to recover access to critical business accounts — from Facebook Business Manager to Google Workspace — when the original phone number is no longer available. And third, how AI agents and automation platforms can handle SMS-based authentication using real SIM infrastructure instead of unreliable VoIP numbers.
SIMRelay works with real SIM cards across multiple countries, which means verification codes arrive reliably — even from services like banks and payment providers that block virtual numbers. If you have questions or want to suggest a topic, reach out to us at [email protected].