Get started
Four steps. Free forever. Your data, your phone, your keys.
- 1
Create your free account
Email + password, magic link, Google, or GitHub. No card. No phone number.
Sign up free → - 2
Install the SMS Bridge Android app
Free open-source app on GitHub (Play Store coming). Sign in with the API key shown in the portal, or scan the QR code.
Pairing guide → - 3
Send your first SMS
Use the REST API, the built-in composer, or drop a CSV. Delivery status streams to your inbox live.
Quickstart → - 4
(Optional) Add your Gemini key
Paste a free Gemini API key into your Portal → Settings → AI Persona and inbound messages get replied to in your own voice.
Set up Gemini →