Gravity Rail Developer

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

Gravity Rail is the developer platform for conversational AI — voice, chat, SMS, email, and phone in one API. Ship production-ready AI agents with enterprise guardrails in minutes, not months.

Read the docs

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 — freeRead the docs

Get started

From zero to your first AI conversation in minutes.

1

Get a workspace

Create workspace →
2

Install our tools

npm i @gravity-rail/sdk
npx @gravity-rail/cli login
3

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
✦
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

Choose your path

Pick a channel and build something real. Each guide takes you from zero to working code.

One platform, everything you need

Multi-channel AI, enterprise security, and developer tools — all built in.

Multi-Channel AI

Voice, chat, SMS, email, phone, Slack, Discord, web embed — one workflow, all channels.

Learn more →

Enterprise Guardrails

HIPAA-aligned safeguards, RBAC, audit trails, workspace isolation, and PHI handling controls built in.

Learn more →

Developer Tools

SDK, CLI, MCP server, REST API, webhooks, Claude skills, OpenAPI spec, and Zod schemas.

Learn more →

Ship in minutes, not months

Create a multi-channel AI workflow in a few lines of code.

170+
API endpoints
7
Channels supported
HIPAA-aligned
safeguards
Built for
AI agents

Ready to build?

Create a free account and deploy your first AI agent in under 5 minutes.

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