OCG MAX
Create account

Communications,
without the friction.

OCG Max brings SMS, RCS, voice, WhatsApp, and email into one API built for global customer communication.

API REQUEST
POST /v1/messages
channel
sms
to
+44 20 7946 0958
message
Your code is 849201
OCG Max routing
Message delivered09:41:12 UTC
SMSRCSVOICEWHATSAPPEMAIL
01 / PLATFORM

One API.
Every conversation.

Choose the right channel for each moment and keep delivery events, templates, and customer context in one operational flow.

Reach every handset

Send time-sensitive alerts, verification codes, and service updates through one dependable messaging API.

  • Transactional messaging
  • One-time passwords
  • Delivery status webhooks
Discuss your use case
send-message.js
const message = await ocg.messages.send({
  channel: "sms",
  to: "+442079460958",
  text: "Your code is 849201"
});
Accepted for delivery
Mobile phone showing global communication apps beside a laptop
02 / NETWORK

Built to keep messages moving.

OCG Max gives operations teams a clear path from API request to delivery event, with routing controls and channel-level visibility.

Global reach

Connect international customer journeys through a single platform integration.

Routing control

Keep sender configuration and channel selection aligned with each use case.

Delivery events

Use consistent webhooks to update product and support workflows.

03 / DEVELOPERS

Designed for the first request and the millionth.

A focused API surface, predictable event payloads, and clear channel primitives help teams ship communication workflows without rebuilding the foundation each time.

Create a developer account
Node.jscURLPython
import { OCGMax } from "@ocgmax/sdk";

const client = new OCGMax({
  apiKey: process.env.OCG_MAX_API_KEY
});

await client.messages.send({
  channel: "sms",
  to: "+442079460958",
  text: "Your code is 849201"
});
04 / CONTROL

Communication infrastructure your team can operate with confidence.

Account security

Secure sessions, protected credentials, and consent records are built into the account experience.

Observable events

Consistent delivery callbacks help engineering and support teams follow message state.

Use-case controls

Separate transactional, verification, and support communication workflows by channel and purpose.

Ready to make every conversation count?

Tell us what you need to send, where you need to reach, and how your team works.