Reliable messaging gateway for SMS, WhatsApp, webhooks and AI workflows
Connect your business systems to SMS, WhatsApp, alerts, API calls and automation — without expensive enterprise platforms.
# Send a WhatsApp message curl -X POST https://app.send4sale.com/api/send \ -H "Authorization: Bearer ****" \ -d '{ "to": "+9725*******", "channel": "whatsapp", "message": "Your order has shipped 🚚" }'
Message delivered
WhatsApp · id #3•• · to +9725••••••
Webhook event sent
message.status → delivered
Manual, fragmented messaging costs you leads and time
Businesses lose leads and hours when messages are sent by hand and scattered across tools, phones and inboxes — with no reliable delivery, logs or automation.
One gateway for SMS, WhatsApp, webhooks and automation
Send4Sale connects your systems to SMS, WhatsApp, alerts and API calls from a single platform — with delivery tracking, logs and developer-friendly webhooks.
Everything you need to message and automate
A single gateway for your channels, integrations and delivery monitoring.
SMS via Android device
Turn an Android phone into an SMS gateway and send from your own number.
WhatsApp gateway
Send WhatsApp text and documents from connected sending numbers.
Webhooks & API
Trigger messages from your systems and receive delivery events in real time.
Scheduling & alerts
Schedule campaigns and automated alerts for the right moment.
Logs & monitoring
Full visibility of every send, delivery status and failure.
Tenant & gateway management
Manage multiple sending numbers and route messages per gateway.
Built for real business workflows
Lead alerts
Notify your team instantly when a new lead arrives.
Appointment reminders
Reduce no-shows with automatic reminders.
Payment reminders
Send timely, polite payment and invoice reminders.
Odoo notifications
Push Odoo events straight to WhatsApp or SMS.
Shopify order updates
Keep customers informed on every order status.
Developer webhook automation
Wire delivery events into any system you build.
Live in four simple steps
Connect a device or server
Link an Android device or a WhatsApp sending number.
Create an API key
Generate a key from the dashboard for your integration.
Trigger from your system
Call the API or fire a webhook from your app or CRM.
Track delivery & replies
Monitor delivery status, logs and replies in real time.
Built for legitimate, opt-in business communication
Send4Sale is designed for permission-based messaging to your own customers and contacts — not spam. Please follow WhatsApp, SMS and local messaging regulations.
Ready to automate your business messages?
Start free and connect SMS, WhatsApp and webhooks from one platform.