WhatsApp messaging infrastructure for developers and operators
WA Sender combines OTP delivery, custom messages, sender management, webhooks, campaigns, inbox workflows, and workspace controls into one developer-first platform.
Messages sent
128,276
+12.5%
Delivery rate
98.3%
+2.1%
Queue health
Clear
0 pending
Active senders
24
+3 this week
Delivery activity
Recent activity
Built for the full messaging lifecycle
From connecting senders to automating workflows, every step is covered.
Connect senders
Pair WhatsApp senders once and manage them per workspace, client, or project.
Send messages
Send OTPs, custom messages, and templates through a clean API with rate controls.
Track delivery
Monitor message status, delivery rates, and failure reasons in real time.
Automate workflows
Build automation rules, launch campaigns, and manage inbox conversations.
Everything your WhatsApp operations need
12 modules that cover messaging, operations, growth, and security.
OTP & Custom Messages
Send verification codes and transactional messages through a reliable API.
Sender Management
Connect, monitor, and control WhatsApp senders per workspace.
API Clients
Create scoped API keys with sender-level access control.
Templates
Build and reuse message templates for consistent communication.
Webhooks
Receive signed delivery events and status updates in real time.
Campaigns
Launch targeted campaigns with segment-based audience control.
Shared Inbox
Manage conversations, assignments, and replies in one place.
Automations
Build rules that respond to inbox and message events automatically.
Contacts & Segments
Organize contacts and build segments for targeted messaging.
Analytics
Track delivery rates, campaign performance, and sender health.
Audit Logs
Monitor workspace activity with full audit trail visibility.
Security Controls
Workspace isolation, sender scoping, and privacy-first retention.
Designed for developers. Useful for teams.
A clean API surface that makes WhatsApp integration predictable and reliable.
curl -X POST https://api.wasender.com/v1/messages/send \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"sender_id": "snd_123456",
"to": "212612345678",
"type": "otp",
"otp": "123456",
"idempotency_key": "verify_142"
}'Operator dashboard
Open inbox
3
Sent today
47
Failed
0
Give operators control without exposing your backend
Non-technical team members can monitor, manage, and operate WhatsApp messaging.
How it works
Build the integration once. Reuse it across all your systems.
Built for multi-client and multi-team operations
Enterprise-grade security and workspace controls out of the box.
Workspace isolation
Separate workspaces, senders, and API clients per tenant or project.
Sender allow-lists
Restrict which senders each API client can use.
API client scoping
Keys are workspace-scoped with sender-level access control.
Audit logs
Full visibility into who did what across the workspace.
Privacy-first retention
Control message body retention for sensitive flows.
Enterprise deployment
Private deployment options for organizations with strict requirements.
Where WA Sender is used
Real message examples from real workflows.
OTP & verification
Appointment reminders
Order updates
Marketing campaigns
Support notifications
SaaS platform messaging
Why WA Sender instead of manual WhatsApp?
Build your WhatsApp messaging layer once.
Connect a sender, create an API key, and start sending OTPs, alerts, reminders, and campaigns from your systems.