> ## Documentation Index
> Fetch the complete documentation index at: https://docs.bland.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Reset Contact Memory

> Permanently delete all memory for a contact scoped to a specific persona or agent number. All conversation history, facts, summaries, and entities for that pair are removed. This cannot be undone.

> [!WARNING]
>
> This action is **irreversible**. All memory data (recent messages, summary, facts, entities) for this contact/persona pair will be permanently deleted.

### Headers

**authorization** `string` *required*

Your API key for authentication.

### Body Parameters

**contact\_id** `string` *required*

The unique identifier of the contact whose memory should be reset.

**persona\_id** `string`

The persona ID for memory scoping. Either `persona_id` or `agent_number` is required.

**agent\_number** `string`

The agent phone number for memory scoping. Either `persona_id` or `agent_number` is required.

### Response

**data** `object`

Success confirmation.

**data.success** `boolean`

Whether the reset was successful.

**errors** `null`

Error array (null on success).

```json Response theme={null}
{
  "data": {
    "success": true
  },
  "errors": null
}
```

```json Error Response theme={null}
{
  "data": null,
  "errors": [
    {
      "error": "BAD_REQUEST",
      "message": "persona_id or agent_number is required"
    }
  ]
}
```

***

Docs for agents: [llms.txt](https://docs.bland.ai/llms.txt)


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