Build cutting edge, bulletproof AI experiences in minutes, not months

Gravity Rail is the developer platform for conversational AI — with built-in voice, chat, SMS, email, and phone. Ship production-ready AI agents with enterprise guardrails in minutes.

Get started — free Read the docs

Get started

From zero to your first AI conversation in minutes.

Get a workspace

Create workspace →

Install our tools

npm i @gravity-rail/sdk

npx @gravity-rail/cli login

Build!

Pick a path below, or dive into the docs.

Read the docs →

Four ways to build

Pick your path — from CLI power users to no-code builders.

Build your AI workforce

Use the gr CLI

Build your AI front-end

Use the @gravity-rail/sdk

import { GravityRail } from '@gravity-rail/sdk';

const gr = new GravityRail({
  apiKey: process.env.GR_API_KEY,
});

const chat = await gr.chats.create({
  workspaceId: 'ws_abc123',
  workflowId: 'wf_support',
  member: { email: 'user@example.com' },
});

// Stream AI responses in real time
for await (const event of chat.stream()) {
  console.log(event.content);
}

Build with our friendly UI

No code required

Chat widget built with the Gravity Rail UI

Chat with the Workspace Manager

Let AI build it for you

✦

Workspace Manager

Set up a patient intake workflow with SMS reminders

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On it. Here's what I created:
✓ Created workflow “Patient Intake”
✓ Added registration form task
✓ Added insurance verification task
✓ Provisioned SMS number
✓ Configured appointment reminders