Send programmatic SMS messages using your own SIM card.
Simple REST API, instant webhooks, and zero per-message fees.
curl -X POST https://app.smswebapi.com/send \ -H "Content-Type: application/json" \ -d '{ "deviceId": "YOUR_DEVICE_ID", "phone": "+1555019234", "message": "Your verification code is 4921", "simSlot": 0 }'
Integrate in seconds with any language. We handle the device synchronization, queueing, and delivery tracking.
Direct connection to your Android device via FCM ensures messages are sent immediately.
Uses your existing carrier plan. Perfect for unlimited SMS plans. No 3rd party credits needed.
Your data stays on your device. We just tunnel the request. Ideal for OTPs and notifications.
Specify which SIM slot (0 or 1) to use per message, or let it load balance automatically.
Receive real-time HTTP callbacks when a message is sent, delivered, or failed.
Queue thousands of messages. The app manages rate limiting and background processing.
Download the Android APK and sign in. The app runs in the background.
Copy your unique Device ID from the app dashboard.
Send POST requests to our endpoint. Your phone wakes up and sends the SMS.