> ## 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.
</Warning>

### Headers

<ParamField header="authorization" type="string" required>
  Your API key for authentication.
</ParamField>

### Body Parameters

<ParamField body="contact_id" type="string" required>
  The unique identifier of the contact whose memory should be reset.
</ParamField>

<ParamField body="persona_id" type="string">
  The persona ID for memory scoping. Either `persona_id` or `agent_number` is required.
</ParamField>

<ParamField body="agent_number" type="string">
  The agent phone number for memory scoping. Either `persona_id` or `agent_number` is required.
</ParamField>

### Response

<ResponseField name="data" type="object">
  Success confirmation.
</ResponseField>

<ResponseField name="data.success" type="boolean">
  Whether the reset was successful.
</ResponseField>

<ResponseField name="errors" type="null">
  Error array (null on success).
</ResponseField>

<ResponseExample>
  ```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"
      }
    ]
  }
  ```
</ResponseExample>

***

Docs for agents: [llms.txt](/llms.txt)