WhatsApp Messaging API Built for Scale
Scale your business with reliable OTP delivery, automated customer support, and seamless business messaging optimized for global delivery.
curl -X POST \
https://api.hawksend.com/api/v1/otp/send/ \
-H "Authorization: Bearer wsa_..." \
-H "Content-Type: application/json" \
-d '{
"to": "+2348012345678",
"code_length": 6,
"expiry": 300
}'
Trusted by fast-growing enterprises worldwide
The API that powers modern commerce
Everything you need to reach your customers where they are, with 99.9% delivery rates across all major networks.
OTP Verification
Bulletproof authentication for your users. Our intelligent routing engine bypasses regional network congestion to ensure codes arrive in seconds, not minutes.
Template Messaging
Send pre-approved business templates for receipts, shipping updates, and boarding passes with rich media support.
Webhook Events
Real-time status updates for delivered, read, and failed messages. Integrate directly with your backend systems instantly.
SMS Fallback
Never lose a conversion. If WhatsApp is unavailable or the user is offline, our system automatically falls back to high-priority local SMS routes.
Launch in minutes
Create account & get API key
Sign up instantly and access your developer dashboard to generate your production-ready API keys.
Integrate with a few lines of code
Use our SDKs or direct HTTP endpoints. Our documentation is designed for clarity and speed.
Send messages at scale
From 1 to 1,000,000 messages. Our infrastructure handles the load so you can focus on building.
Developer Dashboard
Real-time analytics, message logs, and API management
Simple RESTful Design
Our API follows standard REST patterns, using predictable status codes and JSON payloads. No complex XML or SOAP headers needed.
{
"to": "+2348011223344",
"code_length": 6,
"expiry": 300
}{
"otp_id": "a3f8e4b2-9c1d-4e5f...",
"to": "+2348011223344",
"expires_at": "2026-04-01T09:05:00Z",
"status": "pending"
}Simple, transparent pricing
Pay only for what you send. No hidden fees, no complex licensing. Pricing that scales with your ambition.
Starter
Perfect for early-stage startups.
- $14 messaging credits/mo
- 60 req/min
- 1 WhatsApp Account
- 5 API Keys
Growth
For businesses with scaling traffic.
- $60 messaging credits/mo
- 500 req/min
- 5 WhatsApp Accounts
- 10 API Keys
Enterprise
Maximum power for global brands.
- $200 messaging credits/mo
- 1,000 req/min
- Unlimited WhatsApp Accounts
- Unlimited API Keys
Ready to scale your communications?
Join thousands of developers worldwide building the future of customer engagement.