Access virtual phone numbers from 50+ countries for OTP verification, SMS receiving, and secure two-factor authentication. Instant. Private. Reliable.
Get started in under 2 minutes. No contracts, no complex setup โ just instant access to virtual numbers worldwide.
Sign up for free. No credit card required to explore available numbers and countries.
Browse numbers from 50+ countries. Filter by country, carrier, or supported service.
Enter the virtual number in your target service or app just like a regular phone number.
OTP codes appear in your RaillSignal dashboard within seconds. Copy and verify.
A complete toolkit for SMS verification โ whether you're a developer, QA engineer, or business owner.
Access numbers from the US, UK, Germany, Brazil, India, and 45+ more countries. New regions added regularly.
Verification codes delivered in under 3 seconds on average. Real-time SMS inbox with live polling.
Manage all your numbers, view SMS history, set expiry times, and monitor usage from one clean interface.
Full REST API with SDKs for Node.js, Python, PHP, and Go. Webhooks and polling both supported.
Enterprise-grade infrastructure with carrier-level routing ensures industry-leading delivery rates.
Never expose your personal number. Verify accounts on any platform while keeping your identity private.
From individual developers to enterprise teams, RaillSignal powers verification at any scale.
Create and verify accounts on Twitter, Instagram, TikTok, and more without using your personal number.
Automate registration and auth testing across multiple test accounts simultaneously.
Set up business profiles on platforms that require phone verification efficiently.
Verify accounts on Amazon, eBay, and other platforms with region-specific numbers.
Integrate SMS verification into CI/CD pipelines, scrapers, and automation tools via API.
No contracts. No monthly minimums. Pay only for what you use. Numbers available instantly.
RaillSignal provides secure access to virtual phone numbers for SMS verification worldwide. Our mission is to simplify verification while protecting user privacy.
RaillSignal was born out of a simple frustration: the verification process for online services was broken. Using your personal phone number for every account creates privacy risks, and managing multiple SIM cards is cumbersome.
We built RaillSignal to give individuals and developers instant access to virtual numbers from any country โ making verification seamless, private, and programmable.
To provide a reliable infrastructure for secure global SMS verification and communication โ making digital identity management accessible to everyone, from indie developers to enterprise teams.
To become the leading platform for digital identity verification through virtual communication channels โ trusted by millions of users and thousands of developers worldwide.
We never sell your data. Virtual numbers mean your personal phone stays private.
Enterprise-grade infrastructure built to deliver SMS consistently, at any scale.
End-to-end encrypted communications, SOC 2 aligned practices, and regular audits.
Numbers in 50+ countries, affordable pricing, and a platform available in multiple languages.
A professional-grade platform with all the tools you need โ whether you're a solo developer or running enterprise automation.
Access virtual numbers from 50+ countries, including all major markets. Our network is continuously expanding with new regions added monthly.
Receive OTP codes within seconds of requesting verification. Our real-time infrastructure processes millions of SMS per day with minimal latency.
Verify accounts on any platform without exposing your personal phone number. Your real identity stays private.
A powerful yet clean web interface to manage all your virtual numbers, view SMS logs, and monitor account usage.
A fully documented REST API with webhooks, SDKs, and code examples. Build SMS verification into any application in minutes.
Enterprise-grade infrastructure built for scale. Redundant carrier connections ensure numbers are always available when you need them.
Create a free account and receive your first SMS verification code in under 60 seconds.
Everything you need to integrate SMS verification into your application. RESTful, JSON-based, and developer-friendly.
The RaillSignal API is organized around REST. It returns JSON-encoded responses, uses standard HTTP response codes, and accepts JSON request bodies. All API requests must be made over HTTPS.
Base URL:
Authenticate using your API key in the Authorization header. You can find your API key in the Dashboard โ API Keys.
Bearer Returns a list of available virtual phone numbers filtered by your parameters.
| Parameter | Type | Required | Description |
|---|---|---|---|
country | string | optional | ISO 3166-1 alpha-2 country code (e.g. US, GB, DE) |
service | string | optional | Service filter (google, facebook, twitter, any) |
limit | integer | optional | Max results (default: 20, max: 100) |
Rent a virtual number and activate it for SMS receiving. The number remains active until released or the rental duration expires.
Poll for incoming SMS messages on a rented number. Supports long-polling via the wait parameter.
Release a rented number before its expiry. Credits for unused time may be returned based on your plan.
API requests are rate-limited per API key. Rate limit headers are included in all responses.
| Plan | Requests / min | Concurrent Numbers |
|---|---|---|
| Free | 30 | 3 |
| Developer | 120 | 20 |
| Business | 600 | 100 |
| Enterprise | Unlimited | Unlimited |
RaillSignal uses conventional HTTP response codes. Errors include a machine-readable code field for programmatic handling.
| HTTP | Code | Description |
|---|---|---|
| 200 | ok | Request succeeded |
| 400 | invalid_params | Missing or invalid parameters |
| 401 | unauthorized | Invalid or missing API key |
| 404 | not_found | Resource not found |
| 429 | rate_limited | Too many requests |
| 503 | unavailable | No numbers available matching criteria |
Configure a webhook URL in your dashboard to receive real-time POST notifications whenever an SMS arrives on any of your active numbers.
Past incidents and maintenance windows from the last 90 days.
Get notified by email or webhook when incidents occur.
We're here to help. Send us a message and our team will get back to you promptly.
Transparency is core to how we operate. Read our policies to understand your rights and our obligations.
How we collect, use, and protect your personal data. We take privacy seriously and are committed to GDPR and CCPA compliance.
The rules, rights, and responsibilities governing your use of RaillSignal's services and platform.
What you may and may not use RaillSignal for. Our AUP protects all users and prevents misuse of the platform.
Our clear and fair refund guidelines for credits, subscriptions, and pay-as-you-go usage.
How we use cookies and similar tracking technologies to improve your experience on our platform.
Our legal team is available to answer any questions. Contact us at legal@raillsignal.com