Send transactional SMS, OTPs, and notifications through your own devices. Zero per-SMS cost. Full data ownership. REST API in minutes.
A complete platform — from API to delivery reports — with no third-party dependencies.
Any spare Android phone becomes your SMS gateway. Install the app, scan a QR code, done.
Simple JSON API with API key auth. Send single, bulk, or template SMS from any language.
Serve multiple clients from one platform. Each tenant gets isolated data, keys, and quotas.
Create reusable templates with {{variables}}. Perfect for booking confirmations, OTPs, alerts.
Get real-time delivery status via HMAC-signed webhook callbacks to your server.
SHA-256 hashed API keys, CSRF protection, abuse detection, 2FA login, and full audit logs.
Sign up, verify your email, and you're in. Create API keys and SMS templates from the dashboard.
Install the SMSFoundry app on any Android 7+ phone. Scan the QR code from your dashboard to connect it.
Call our REST API from your app. Messages queue instantly and your phone sends them in seconds.
Start sending in under 5 minutes. No credit card required.
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