Send messages from your own systems with one API

Name: ChatMo
Author: ChatMo

Trigger order updates, OTPs, reminders and alerts from your app across every connected channel, with every message also visible to your team in the inbox.

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POST /v1/open-api/messages

curl -X POST https://api.chatmo.io/v1/open-api/messages \  -H "Authorization: Bearer $CHATMO_API_KEY" \  -d '{    "channel_id": "ch_wa_sales",    "to": "+6281234567890",    "type": "TEMPLATE",    "template": "order_shipped",    "params": ["Rina", "ORD-2213"]  }'

Messages sent by API

order_shipped
Rina Kartika
Read
otp_login
Budi Santoso
Delivered

Built for developers

Simple REST endpoints with API keys you control.

All message types

Text, media, documents, templates and interactive buttons on every channel.

Supported types

TEXT
All channels
TEMPLATE
WhatsApp
IMAGE / DOCUMENT
All channels
INTERACTIVE
WhatsApp

Visible in the inbox

API messages appear in the conversation marked "via API", so agents see the full context.

Rina Kartika

WhatsApp · Online

OPEN

Your order ORD-2213 has been shipped. Track it here: chatmo.io/t/2213

Agent

Great, thanks!

Message logs and resend

Every API request is logged with status and payload, and failed messages can be resent.

API message log

200 · order_shipped
+62812xxxx890 · 10:41
Sent
400 · promo_oct
Template not approved
Failed

Scoped API keys

Create, rotate and revoke keys per integration from the developer settings.

API keys

Production ERP
chatmo_live_3f9a••••
Active
Staging
chatmo_live_b21c••••
Active

Run every customer conversation from one inbox

WhatsApp, Instagram, Facebook, Telegram and webchat in one place, with AI agents that reply 24/7.

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