WhatsApp API for modern businesses

WhatsApp OTP and customer messages for modern web apps.

Connect your website, SaaS app, or eCommerce store to send OTPs, alerts, confirmations, and automated WhatsApp messages with API keys, logs, templates, and delivery tracking.

20 sandbox creditsAPI keys includedNo setup complexityBuilt for developers
app.wasender.com
Acme Workspace

Messages Sent

128,276

+12.5% vs last 7 days

Delivered

98.3%

+2.1% vs last 7 days

Read Rate

71.2%

+5.3% vs last 7 days

Active Numbers

24

+3 vs last 7 days

Message Activity

MonTueWedThuFriSatSun

Recent Activity

OTP sent

to +212 6 12 34 56 78

2m ago

Template delivered

Order confirmation

5m ago

Campaign completed

Summer Promo

1h ago

Webhook received

Message status update

2h ago
curl -X POST https://api.wasender.com/api/send-otp \
  -H "Authorization: Bearer sk_..." \
  -H "Content-Type: application/json" \
  -d '{
    "to": "+212612345678",
    "type": "otp",
    "sender_name": "Your App"
  }'
200 OK

Trusted by developers and businesses worldwide

Built for websites
SaaS ready
Ecommerce ready
OTP ready
Webhooks ready
Secure & reliable

Powerful for every team

Start sending in minutes for your most important workflows.

WhatsApp OTP

Verify logins, signups, and secure actions.

Your verification code is 123456. Do not share this code.

Order Confirmation

Confirm orders, payments, and deliveries.

Hi! Your order #4251 is confirmed and on the way.

Lead Follow-up

Nurture leads and respond instantly on WhatsApp.

Thanks for your interest! Our team will contact you shortly.

Sales Team Alerts

Notify your team about new leads and activities.

New lead received from your website. Check dashboard.

Appointment Reminders

Reduce no-shows with smart reminders.

Reminder: You have an appointment tomorrow at 10:00 AM.

SaaS Alerts

Send alerts and updates to your users.

Your report is ready. Download it from your dashboard.

How it works

Go from signup to sending your first message in 5 simple steps.

1

Create account

Sign up and get started in seconds.

2

Get API key

Generate your API key from dashboard.

3

Connect your number

Add and verify your WhatsApp number.

4

Add code to your app

Use our simple API to send OTPs and messages.

5

Track & analyze

Monitor delivery, reads, and responses.

Developer First

Send an OTP with one API request.

Our API is simple, powerful, and built for real integrations.

REST API with simple JSON
Automatic retries and smart delivery
Real-time status and logs
Webhooks for events
Detailed analytics
curl -X POST https://api.wasender.com/api/send-otp \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "+21265478912",
    "type": "otp",
    "otp": "123456",
    "sender_name": "Your App"
  }'
200 OK

Everything you need to scale

Built to help developers and teams send messages reliably.

OTP API

Send secure OTPs with ease.

Custom Messages

Send template or custom messages.

WhatsApp Numbers

Connect and manage multiple numbers.

Message Templates

Create and manage approved templates.

Delivery History

Track every message in real time.

API Keys

Multiple keys for your apps and team.

Webhooks

Get real-time event notifications.

Usage Limits

Control usage with smart rate limits.

Billing & Plans

Choose the plan that grows with you.

Security First

Built with security and compliance in mind.

Simple, transparent pricing

Start free, then move to pay-as-you-go or a monthly plan when your workflow becomes live.

Pay-as-you-go: $0/month platform fee, 100 included credits, card required, production sending, monthly invoice, and no packs or wallet.

Free Sandbox

For testing only

$0Forever free

20 credits / month

20 sandbox credits / month
No card required
OTP testing
Basic logs

Starter

For one live website or store

$9/mo

1,500 credits / month

1 project
1,500 credits / month
Live OTP messages
API access
Basic support
MOST POPULAR

Pro

For active builders and small agencies

$19/mo

6,000 credits / month

3 projects
6,000 credits / month
API playground
Advanced logs
Priority support

Business

For agencies, support teams, and larger workloads

$49/mo

25,000 credits / month

25,000 credits / month
More projects and numbers
Own WhatsApp number connection support
Branded OTP from own numbers
Priority support
Integration help
Advanced analytics
Team access

Frequently asked questions

Final CTA

Start with 20 free sandbox credits

Launch your first OTP or automated WhatsApp message today. Upgrade when your traffic grows.