# Get session messages

**GET /api/v1/projects/{id}/sessions/{session_id}/messages**

Fetches all messages for a specific session via the workspace Orchestration Engine. The project scope is carried by the route id path parameter and the org is derived from that project.


## Servers
- https://agentengine.mongodb.com: https://agentengine.mongodb.com ()


## Authentication methods
- Bearer auth


## Parameters

### Path parameters

- **id** (string)
  Project ID

- **session_id** (string)
  Session ID


### Query parameters

- **workspace_id** (string)
  Workspace ID for workspace resolution



## Responses
### 406
Unsupported or malformed API version, an operation unavailable in the selected published contract, or an unacceptable representation (including unsupported media-type parameters or excluded SSE). Existing authentication, authorization, and rate-limit failures take precedence.

#### Body: application/json (object)
- **badRequestDetail** (object)
  Optional validation details defined by the standard error schema; API negotiation errors do not emit this field.

- **detail** (string)
  Human-readable error details.

- **error** (integer)
  HTTP status code.

- **errorCode** (string)
  Machine-readable error code.

- **parameters** (array[string])
  Request parameter names associated with the error; omitted when none apply.

- **reason** (string)
  HTTP status reason phrase.


### 200
OK

#### Body: application/json (object)
- **history_status** (string)
  HistoryStatus reports whether Messages is authoritative or still warming.

- **latest_status** (string)
  LatestStatus is the status of the session's most recent execution.

- **messages** (array[object])


### 400
Bad Request

#### Body: application/json (object)
- **code** (string)

- **error** (string)

- **success** (boolean)


### 401
Unauthorized

#### Body: application/json (object)
- **code** (string)

- **error** (string)

- **success** (boolean)


### 422
PROJECT_SECRET_INVALID: the workspace cannot start because a project secret is invalid or unreachable (fix the secret and redeploy)

#### Body: application/json (object)
- **code** (string)

- **error** (string)

- **success** (boolean)


### 500
Internal Server Error

#### Body: application/json (object)
- **code** (string)

- **error** (string)

- **success** (boolean)


### 502
Bad Gateway

#### Body: application/json (object)
- **code** (string)

- **error** (string)

- **success** (boolean)



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