# PATCH /email-campaigns/:campaign_id

**Resource:** [Email Campaigns](./email-campaigns.md)  
**MCP tool:** `update_email_blast`  
**Scopes:** `email-blasts:write`  
**Write operation:** yes

Update an email campaign.

## Parameters

| Name | In | Type | Required | Description |
|------|----|------|----------|-------------|
| `campaign_id` | path | string | yes |  |
| `name` | body | string | no |  |
| `subject` | body | string | no |  |
| `html_body` | body | string | no |  |

## Request example

```bash
curl -X PATCH   "https://api.trustpager.com/functions/v1/api/v1/email-campaigns/:campaign_id"   -H "Authorization: Bearer YOUR_API_KEY"   -H "Content-Type: application/json"   -d '{"name":"...","subject":"...","html_body":"..."}'
```

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