One API. All channels.
Send and receive SMS, WhatsApp, iMessages, and Agentic Voice through one API or a simple customer dashboard. Relay keeps both paths connected.
$ npm install @relaysms/sdk
messaging_flow.ts
import Relay from '@relaysms/sdk';
const relay = new Relay();
await relay.messages.send({
to: "+19141230001",
content: "Your code is 4291",
channels: ["whatsapp", "sms", "imessage"]
});
Validation PASSED
Routing OPTIMIZED
API and dashboard. Same communication layer.
Use code when you need automation. Use the dashboard when your team needs control.
Unified API
One request can send and receive across SMS, WhatsApp, iMessages, and Voice.
Customer Dashboard
Manage numbers, conversations, broadcasts, replies, and delivery status without code.
Send and Receive
Keep inbound and outbound communication visible in both the API and dashboard.