# POST /email-campaigns/:campaign_id/sends/:send_id/pause

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

Pause a scheduled run so it cannot send. The run keeps its content, its audience and its intended send time, and stays editable; it simply is not queued, so nothing can fire it. Use this to park a send while people review or approve it, instead of cancelling and rebuilding it later. Arm it again with resume_email_blast_run.

## Parameters

| Name | In | Type | Required | Description |
|------|----|------|----------|-------------|
| `campaign_id` | path | string | yes |  |
| `send_id` | path | string | yes |  |
| `require_approval` | body | boolean | no | Optional. Set true to route this write into the approval queue for human review instead of executing it immediately (returns 202 + an approval_id). Works even when your key/token has permission to execute directly. |

## Request example

```bash
curl -X POST   "https://api.trustpager.com/functions/v1/api/v1/email-campaigns/:campaign_id/sends/:send_id/pause"   -H "Authorization: Bearer YOUR_API_KEY"
```

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