> ## 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.

# Get Memory Changes

> Retrieve what memory was captured or updated during a specific call or SMS conversation. Shows the memory state before and after the interaction.

### Headers

**authorization** `string` *required*

Your API key for authentication.

### Query Parameters

**call\_id** `string`

The call ID to get memory changes for. Either `call_id` or `conversation_id` is required.

**conversation\_id** `string`

The SMS conversation ID to get memory changes for. Either `call_id` or `conversation_id` is required.

### Response

**data** `object`

Memory changes data.

**data.initial\_memory** `object`

The memory context at the start of the interaction.

**data.changes** `object`

Changes made to memory during the interaction.

**data.memory\_history** `array`

Historical record of memory updates.

**errors** `null`

Error array (null on success).

```json Response theme={null}
{
  "data": {
    "initial_memory": {
      "summary": "Customer previously inquired about pricing.",
      "facts": {
        "name": "John Doe"
      }
    },
    "changes": {
      "summary": "Customer placed an order for the premium plan. Order #12345 confirmed.",
      "facts": {
        "name": "John Doe",
        "plan": "premium",
        "order_id": "12345"
      }
    },
    "memory_history": [
      {
        "timestamp": "2025-07-22T10:30:00.000Z",
        "type": "summary_update",
        "value": "Customer placed an order for the premium plan."
      }
    ]
  },
  "errors": null
}
```

```json Not Found theme={null}
{
  "data": null,
  "errors": [
    {
      "error": "NOT_FOUND",
      "message": "Call or conversation not found, or no memory data available"
    }
  ]
}
```

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

***

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


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