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Proxnum SMS Verification & Virtual Number API

Access global non-VoIP phone numbers via a simple JSON API. Automate account verification, QA testing, and secure onboarding with temporary and rental numbers in 100+ countries.

SMS API Virtual Number API JSON REST Bearer Tokens
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Developer support: [email protected]

Typical API Flow

1. Get number → 2. Receive SMS → 3. Verify

  • 100+ countries, popular apps
  • Temporary & rental numbers
  • Designed for QA & SaaS
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What is the Proxnum SMS Verification API?

Programmatic access to disposable and rental phone numbers via JSON REST API

The Proxnum SMS Verification API and Virtual Number API provides HTTPS endpoints for programmatic access to disposable and rental phone numbers. Use our JSON REST API to automate:

  • Requesting virtual numbers for specific services and countries
  • Polling for incoming SMS OTP codes for verification
  • Canceling or extending rental number access
  • Managing activations, balance and usage via reseller endpoints

At a glance

  • 100+ countries and popular apps
  • Instant activations and real-time SMS delivery
  • Secure, token-based authentication
  • Optimized for automation, QA & reseller panels

Proxnum SMS API Features

Built for developers who need reliable SMS verification and virtual number solutions

Global Virtual Numbers

Temporary and rental numbers in 100+ countries for app and website verification via our SMS API.

JSON REST API

HTTPS endpoints with clean JSON responses. Integrate our SMS verification API with PHP, Node.js, Python, Go and more.

Temporary & Rental Numbers

Use our Virtual Number API for one-time OTP or long-term rentals for 2FA, logins and testing accounts.

Reseller SMS API

Expose our Virtual Number API to your own users with custom pricing via dedicated reseller endpoints.

Secure API Authentication

Authorize requests with a Bearer token API key generated from your Proxnum profile.

Clear API Error Codes

JSON errors like no_numbers and insufficient_funds make integrations predictable and easy to debug.

Integrating the Proxnum SMS API

Get started with our SMS verification API in minutes

  1. Create an account & get an API key. Generate a token in your Proxnum Profile.
  2. Top up your balance. Add funds via card, crypto, or Binance Pay.
  3. Call the Proxnum API. Use the Reseller API documentation to:
    • Check prices and availability by country/service
    • Buy a temporary or rental number via the Virtual Number API
    • Poll for SMS messages with the SMS API
    • Manage numbers via cancel or extend endpoints

Quick start

  • Create account & generate API key
  • Fund your balance
  • Call pricing & number purchase endpoints
  • Poll for SMS and complete verification flow
View full API reference

SMS Verification API Workflow

Standard integration flow for our SMS Verification API

  1. 1
    Check availability via /api/v1/resell/price.
  2. 2
    Purchase a number via /api/v1/resell/virtual/buy.
  3. 3
    Use the virtual number for SMS verification on the target platform.
  4. 4
    Poll /api/v1/resell/virtual/{id}/status for the OTP code.
  5. 5
    Complete verification and manage the number via the API.

Best for

  • Automated signup & login tests
  • Global QA environments
  • Reseller & SMS panels
  • Any backend that needs SMS verification

Proxnum SMS API Use Cases

How developers and businesses use our SMS verification API

  • SaaS Platforms: Test signup and 2FA flows globally with our Virtual Number API.
  • QA & Automation: Run automated tests requiring phone verification via our SMS API.
  • Support Teams: Assist users with onboarding and access recovery.
  • Resellers & Panels: Add an SMS verification API source for your customers.
  • Developers: Build tools using temporary phone verification APIs.

SMS API Countries, Services & Pricing

Our SMS Verification API supports numerous services and countries. Check live availability:

SMS Verification API FAQ

Common questions about our API

A backend that can make HTTPS requests and handle JSON. Our SMS Verification API integrates with PHP, Node.js, Python, and Go.

Use the Authorization: Bearer YOUR_API_TOKEN header. Generate tokens in your Proxnum profile.

Complete documentation at Reseller API documentation.

Start Using the Proxnum SMS API

Create an account, get your API key, and begin testing in minutes.

Get Started with SMS API Reseller API Docs
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