Integrate Fast2SMS WhatsApp infrastructure into your PHP, Node.js, or Python apps in under 5 minutes. Send OTPs, alerts, and rich media instantly.
Everything you need to automate your customer communication.
Simple JSON payloads. Easy to integrate with any tech stack. No complex SDKs required.
Secure your API key. Requests are only processed if they originate from your authorized domains.
Send templates, images, videos, and documents seamlessly using our advanced Session API.
Start for free, upgrade when you scale.
Perfect for beginners. Test our API with 10 daily messages and 1 domain.
Best for growing businesses. Support for 3 domains, 3 numbers and 10k messages/day.
Unlimited power for enterprises. No limits on domains, numbers or messages.