Twilio WhatsApp Number Verifier is a professional PHP tool that allows you to upload CSV, TXT, or Excel files containing phone numbers and automatically verify which ones are active on WhatsApp using the official Twilio WhatsApp API.
Ideal for marketers, business owners, and CRM managers who want to clean and verify contact lists before launching WhatsApp campaigns.
✅ No unofficial APIs or hacks — 100% Twilio Compliant.
Key Features :
- Upload CSV, TXT, or Excel files
- Verify numbers via Twilio WhatsApp API
- Real-time verification results
- Export verified contacts
- Config-based setup (no code editing)
- SQLite-based rate limiting (prevents API overuse)
- Clean Bootstrap interface
- Works on any PHP 7.4+ hosting
- Lightweight, single-folder installation
- Folder Structure
Requirements
- PHP 7.4 or newer
- cURL enabled
- SQLite enabled (default on most servers)
- A Twilio account with WhatsApp Sandbox or Business API enabled
- Installation Steps 1. Upload all files to your server (e.g. /public_html/whatsapp-verifier/).
- Open config.php and enter your Twilio credentials:
- Visit https://yourdomain.com/whatsapp-verifier/
- 4. Upload your .csv or .txt list of numbers (with country codes).
- Start verification and download results.
