Early access coming soon

Give your AI agent a real phone number

Telephony infrastructure for AI agents. Provision a number via API, send and receive SMS, make and receive calls.

Be first to get access. No spam, ever.

Give your AI agent a phone number in seconds

// Give your agent a phone number
const number = await ringbase.numbers.create({
  country: "US",
  area_code: "415"
});

// Your agent sends its first text
await ringbase.messages.send({
  from: number.phone,
  to: "+1-555-867-5309",
  body: "Your order has shipped! Track it here."
});

What we're building

The core primitives your agent needs to communicate over the phone network.

SMS

Send and receive SMS from your agent’s number. MMS, delivery tracking, conversation threading - all via API.

Coming Soon

Voice

Receive and place calls with real-time audio streaming. Bring your own STT and TTS - we handle the telephony.

Day One

MCP Native

Ships with an MCP server out of the box. Any MCP-compatible agent framework discovers and uses Ringbase automatically.

Compliance Handled

Compliance handled A2P registration, carrier vetting, opt-out management - all handled for you.

The agent-native stack

Every agent needs infrastructure. We're building the telephony layer.

ServicePrimitive
📧AgentmailEmail
🖥️E2B / ModalCompute
📁BoxFile Storage
💳StripePayments
RingbaseRingbaseTelephony

Dead simple by design

Three steps. That's all it takes.

01

Provision a number

One API call to provision a phone number. Your agent has a phone number in seconds.

02

Connect your agent

Connect your agent with a webhook. Use the REST API for outbound. That's the entire integration.

03

Your agent communicates

Your agent sends texts and answers calls from its own number.

Start building with Ringbase

We're opening early access soon. Drop your email and be the first to give your agents a phone number.