# POST /signing/envelopes/:envelope_id/void

**Resource:** [Signing](./signing.md)  
**MCP tool:** `void_signing_envelope`  
**Scopes:** `signing:send`  
**Write operation:** yes

Void a sent envelope (cancel the signing request).

## Parameters

| Name | In | Type | Required | Description |
|------|----|------|----------|-------------|
| `envelope_id` | path | string | yes |  |
| `reason` | body | string | no |  |

## Request example

```bash
curl -X POST   "https://api.trustpager.com/functions/v1/api/v1/signing/envelopes/:envelope_id/void"   -H "Authorization: Bearer YOUR_API_KEY"   -H "Content-Type: application/json"   -d '{"reason":"..."}'
```

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