WhaOTP
Create WhatsApp OTP in 2 API calls. Free for devs.
WhaOTP launched on June 20, 2026 with 2 votes.
What it does
WhaOTP is a developer-first WhatsApp OTP tool that replaces expensive SMS gateways with WhatsApp's number matching system. Send 4-digit verification codes via WhatsApp and verify users with 2 simple HTTP requests. Users reply with the code, your app gets instant verification. ⚡ 2 API endpoints (send + verify) 🛡️ 3 attempts & 300s expiry 🌍 Works with any WhatsApp number globally 💰 Completely free to use 📦 Code examples: cURL, Python, Node.js, PHP, Go
Free OTP verification tool using WhatsApp's number matching system. Send 4-digit codes and verify users with simple HTTP requests. Your app sends a POST request to /otp/send with the user's phone number. The system generates a unique 4-digit code and sends it via WhatsApp. The user gets a WhatsApp message with the 4-digit code. They must reply with the exact code to verify their identity. The user replies to the WhatsApp message with the 4-digit code. The system automatically processes this and updates the verification status. Your app polls the /otp/verify endpoint with the session token. Once the user replies correctly, the status changes to "verified" . For custom branding, custom texts,…from whaotp.site
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Whapp-irc – A simple WhatsApp IRC gateway2019 · github.com · ▲100whatsapp web <-> irc gateway. Contribute to lieuwex/whapp-irc development by creating an account on GitHub.
WhatsApp OTP VerificationNov 2025 · rapidapi.com · ▲4Send OTPs via WhatsApp with one blazing fast, low-cost API.
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