# POST /contacts/:contact_id/unsubscribe

**Resource:** [Contacts](./contacts.md)  
**MCP tool:** `unsubscribe_contact`  
**Scopes:** `contacts:write`  
**Write operation:** yes

Unsubscribe a contact across email/sms/voice channels. Cancels queued comms and auto-enrolments.

## Parameters

| Name | In | Type | Required | Description |
|------|----|------|----------|-------------|
| `contact_id` | path | string | yes |  |
| `channels` | body | array | no | Channels to unsubscribe: email, sms, voice (default: all) |
| `reason` | body | string | no |  |

## Request example

```bash
curl -X POST   "https://api.trustpager.com/functions/v1/api/v1/contacts/:contact_id/unsubscribe"   -H "Authorization: Bearer YOUR_API_KEY"   -H "Content-Type: application/json"   -d '{"channels":"...","reason":"..."}'
```

---
Base URL: `https://api.trustpager.com/functions/v1/api/v1` — Auth: `Authorization: Bearer YOUR_API_KEY`