获取事实变更历史

curl -X GET 'https://app.memorylake.cn/openapi/memorylake/api/v3/workspaces/ws-fe314186ccd18cde04d6af48a5afd79f/projects/proj_a1b2c3d4e5f6/memories/facts/fact-2fe07aee0058d141c744685a2d7272be/trace' \
  -H 'Authorization: Bearer sk_xxxxxx'

{
  "success": true,
  "data": {
    "fact": {
      "id": "fact-2fe07aee0058d141c744685a2d7272be",
      "fact": "User prefers dark mode in all applications",
      "metadata": {},
      "expired": false,
      "created_at": "2025-06-10T14:30:00Z",
      "updated_at": "2025-06-12T09:15:00Z"
    },
    "trace": [
      {
        "history_id": "facthist-6ee3e00169cf409699c9d214c1ab1ae8",
        "event": "UPDATE",
        "source_kind": "MANUAL",
        "old_fact": "User prefers dark mode in the editor",
        "new_fact": "User prefers dark mode in all applications",
        "source_entry_ids": [],
        "source_event_id": "api-0c048db26b904f11b7feff8549f7e47e",
        "timestamp": "2025-06-12T09:15:00Z"
      },
      {
        "history_id": "facthist-93b16a154fe74bbe8a0be7c938123c98",
        "event": "ADD",
        "source_kind": "COOK",
        "new_fact": "User prefers dark mode in the editor",
        "conversation_id": "conv-0a0c350c96034fd6a3092fd3bba70bcc",
        "source_entry_ids": [
          "conv-entry-393ddf4c71f0423eb9dce5f0ddc221af",
          "conv-entry-ef0d7f55c7484f1dae5b88db99c443d4"
        ],
        "source_event_id": "cookrun-fdc3db03e81944da8bbf511416a65881",
        "timestamp": "2025-06-10T14:30:00Z"
      }
    ]
  }
}

curl -X GET 'https://app.memorylake.cn/openapi/memorylake/api/v3/workspaces/ws-fe314186ccd18cde04d6af48a5afd79f/projects/proj_a1b2c3d4e5f6/memories/facts/fact-2fe07aee0058d141c744685a2d7272be/trace' \
  -H 'Authorization: Bearer sk_xxxxxx'

{
  "success": true,
  "data": {
    "fact": {
      "id": "fact-2fe07aee0058d141c744685a2d7272be",
      "fact": "User prefers dark mode in all applications",
      "metadata": {},
      "expired": false,
      "created_at": "2025-06-10T14:30:00Z",
      "updated_at": "2025-06-12T09:15:00Z"
    },
    "trace": [
      {
        "history_id": "facthist-6ee3e00169cf409699c9d214c1ab1ae8",
        "event": "UPDATE",
        "source_kind": "MANUAL",
        "old_fact": "User prefers dark mode in the editor",
        "new_fact": "User prefers dark mode in all applications",
        "source_entry_ids": [],
        "source_event_id": "api-0c048db26b904f11b7feff8549f7e47e",
        "timestamp": "2025-06-12T09:15:00Z"
      },
      {
        "history_id": "facthist-93b16a154fe74bbe8a0be7c938123c98",
        "event": "ADD",
        "source_kind": "COOK",
        "new_fact": "User prefers dark mode in the editor",
        "conversation_id": "conv-0a0c350c96034fd6a3092fd3bba70bcc",
        "source_entry_ids": [
          "conv-entry-393ddf4c71f0423eb9dce5f0ddc221af",
          "conv-entry-ef0d7f55c7484f1dae5b88db99c443d4"
        ],
        "source_event_id": "cookrun-fdc3db03e81944da8bbf511416a65881",
        "timestamp": "2025-06-10T14:30:00Z"
      }
    ]
  }
}

GET /openapi/memorylake/api/v3/workspaces/{workspaceId}/projects/{projectId}/memories/facts/{factId}/trace

在一次响应中返回项目中的一条事实及其完整变更历史，按时间倒序排列。每条记录对应一次变更（事实被添加、更新或遗忘），并说明变更的来源：从会话中提取，或直接通过 API 操作。对于从会话中提取的变更，记录中带有 conversation_id 以及来源消息的 source_entry_ids。将它们传给批量获取消息即可读取这些消息。遗忘事实不会抹去它的历史。已遗忘的事实仍然可以获取变更历史，包括遗忘前的文本；返回的事实本身 expired 为 true。

所需权限： project:mem_read

路径参数

string

required

工作空间 ID

string

required

项目 ID

string

required

事实 ID

curl -X GET 'https://app.memorylake.cn/openapi/memorylake/api/v3/workspaces/ws-fe314186ccd18cde04d6af48a5afd79f/projects/proj_a1b2c3d4e5f6/memories/facts/fact-2fe07aee0058d141c744685a2d7272be/trace' \
  -H 'Authorization: Bearer sk_xxxxxx'

响应

object

Show 事实历史

object

事实的当前状态，与获取事实返回的对象相同。事实已被遗忘时 expired 为 true。

array

变更历史，按时间倒序排列。一次返回全部历史，不分页。

Show 变更记录

string

本次变更的唯一标识符

string

变更类型：ADD、UPDATE 或 FORGET

string

变更方式：COOK 表示从会话中提取；MANUAL 表示直接通过 API 操作（添加、更新或遗忘事实）

string

变更前的事实文本。ADD 记录中没有此字段

string

变更后的事实文本。FORGET 记录中没有此字段

string

提取出本次变更的会话。MANUAL 变更没有此字段

string[]

提取出本次变更的消息 ID；MANUAL 变更为空数组。之后被删除的消息不会出现在批量获取消息的结果中

string

产生本次变更的操作的不透明标识符。同一次提取产生的变更共享同一个值

string

变更时间

{
  "success": true,
  "data": {
    "fact": {
      "id": "fact-2fe07aee0058d141c744685a2d7272be",
      "fact": "User prefers dark mode in all applications",
      "metadata": {},
      "expired": false,
      "created_at": "2025-06-10T14:30:00Z",
      "updated_at": "2025-06-12T09:15:00Z"
    },
    "trace": [
      {
        "history_id": "facthist-6ee3e00169cf409699c9d214c1ab1ae8",
        "event": "UPDATE",
        "source_kind": "MANUAL",
        "old_fact": "User prefers dark mode in the editor",
        "new_fact": "User prefers dark mode in all applications",
        "source_entry_ids": [],
        "source_event_id": "api-0c048db26b904f11b7feff8549f7e47e",
        "timestamp": "2025-06-12T09:15:00Z"
      },
      {
        "history_id": "facthist-93b16a154fe74bbe8a0be7c938123c98",
        "event": "ADD",
        "source_kind": "COOK",
        "new_fact": "User prefers dark mode in the editor",
        "conversation_id": "conv-0a0c350c96034fd6a3092fd3bba70bcc",
        "source_entry_ids": [
          "conv-entry-393ddf4c71f0423eb9dce5f0ddc221af",
          "conv-entry-ef0d7f55c7484f1dae5b88db99c443d4"
        ],
        "source_event_id": "cookrun-fdc3db03e81944da8bbf511416a65881",
        "timestamp": "2025-06-10T14:30:00Z"
      }
    ]
  }
}

读取来源消息

要查看提取某次变更时的对话内容，将该记录的 conversation_id 和 source_entry_ids 传给批量获取消息：

curl -X POST 'https://app.memorylake.cn/openapi/memorylake/api/v3/conversations/conv-0a0c350c96034fd6a3092fd3bba70bcc/messages/batch-get' \
  -H 'Authorization: Bearer sk_xxxxxx' \
  -H 'Content-Type: application/json' \
  -d '{"entry_ids": ["conv-entry-393ddf4c71f0423eb9dce5f0ddc221af", "conv-entry-ef0d7f55c7484f1dae5b88db99c443d4"]}'

MemoryLake API

管理 API

路径参数

响应

读取来源消息

​路径参数

​响应

​读取来源消息

路径参数

响应

读取来源消息