# MessagePort API ## Pages - [MessagePort API](https://dev.messageport.com.au/api/index.md) — The MessagePort REST API lets you send SMS and MMS, manage contacts, groups and opt-outs, read inbound messages, run phone number verification (OTP) and manage webhook subscriptions. All requests must be made over HTTPS to `https://app.messageport.com.au/api`. Request and response bodies are JSON. Timestamps are ISO 8601 in UTC. ## Sections - [Account](https://dev.messageport.com.au/api/account/llms.txt) - [Contacts](https://dev.messageport.com.au/api/contacts/llms.txt) - [Groups](https://dev.messageport.com.au/api/groups/llms.txt) - [Inbounds](https://dev.messageport.com.au/api/inbounds/llms.txt) - [Optout Lists](https://dev.messageport.com.au/api/optout-lists/llms.txt) - [Optouts](https://dev.messageport.com.au/api/optouts/llms.txt) - [Sms](https://dev.messageport.com.au/api/sms/llms.txt) - [Tags](https://dev.messageport.com.au/api/tags/llms.txt) - [Templates](https://dev.messageport.com.au/api/templates/llms.txt) - [Verify](https://dev.messageport.com.au/api/verify/llms.txt) - [Webhook Subscriptions](https://dev.messageport.com.au/api/webhook-subscriptions/llms.txt)