# Get blueprint history

**GET** `/v1/private/agent-configs/blueprints/history/projects/{project_id}`

Retrieves paginated blueprint history for a project

Base URL: `https://www.comet.com/opik/api`

Tags: `Agent Configs`

## Authorization

This operation requires no authorization.

## Path parameters

| Name | Type | Required | Description |
| --- | --- | --- | --- |
| `project_id` | `string` (uuid) | Yes | — |

## Query parameters

| Name | Type | Required | Description |
| --- | --- | --- | --- |
| `page` | `integer` (int32) | No | — |
| `size` | `integer` (int32) | No | — |

## Responses

| Status | Description | Media type |
| --- | --- | --- |
| `200` | History retrieved | `application/json` |
| `401` | Unauthorized | `application/json` |
| `404` | Not Found | `application/json` |

### Example response: 200 — History retrieved

```json
{
  "content": [
    {
      "created_at": "2026-06-09T00:00:00Z",
      "created_by": "string",
      "description": "string",
      "envs": [
        "string"
      ],
      "id": "00000000-0000-0000-0000-000000000000",
      "last_updated_at": "2026-06-09T00:00:00Z",
      "last_updated_by": "string",
      "name": "string",
      "type": "blueprint",
      "values": [
        {
          "description": "string",
          "key": "string",
          "type": "boolean",
          "value": "string"
        }
      ]
    }
  ],
  "page": 0,
  "size": 0,
  "total": 0
}
```

### Example response: 401 — Unauthorized

```json
{
  "errors": [
    "string"
  ]
}
```

### Example response: 404 — Not Found

```json
{
  "errors": [
    "string"
  ]
}
```

## Related pages

- [Activate a pairing session](./activatepairingsession.md)
- [Add blueprint to existing config](./updateagentconfig.md)
- [Add items to annotation queue](./additemstoannotationqueue.md)
- [Add span comment](./addspancomment.md)
- [Add span feedback score](./addspanfeedbackscore.md)
- [Add thread comment](./addthreadcomment.md)
- [Add trace comment](./addtracecomment.md)
- [Add trace feedback score](./addtracefeedbackscore.md)
- [Agent Configs](./tags/agent-configs.md)
- [Agent Insights](./tags/agent-insights.md)

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