MessagePortThe MessagePort API lets your application send SMS and MMS, receive replies and delivery receipts, verify phone numbers with one-time codes, and manage contacts, groups and opt-outs. It is a JSON REST API authenticated with an API key.
Base URL
https://app.messageport.com.au/apiMost endpoints live under /v2 (for example https://app.messageport.com.au/api/v2/sms). The verification (OTP) endpoints live under /v3. All requests must use HTTPS.
What you can do
- Send messages: up to 1000 SMS per request, with scheduling, metadata and MMS. See Sending messages.
- Receive replies and delivery receipts in real time with webhooks.
- Verify phone numbers with a one-time code using the Verify API.
- Respect opt-outs and keep separate opt-out lists per campaign or brand.
- Connect AI assistants to your account with the MCP server.
Where to start
Quickstart
Create an API key and send your first SMS with curl. Start here.
Guides
Sending, verification, webhooks, opt-outs, and contacts. Read the guides.
API reference
Every endpoint, parameter and response. Open the reference.
MCP server
Let Claude, Cursor and other MCP clients act on your account. Set it up.