# List a task's messages

`GET /v1/tasks/{taskId}/messages`

Returns messages in chronological order. Use nextCursor to continue from the last message in the page.

Required OAuth scopes: `tasks:read`

## Parameters

- `cursor` (query, string): Opaque cursor returned by the previous page
- `limit` (query, integer)
- `taskId` (path, string (uuid), required)

## Responses

- `200`
  - `messages` (object[], required)
    - `id` (string, required)
    - `role` ("user" | "assistant", required)
    - `parts` (object[], required)
    - `createdAt` (string (date-time), required)
  - `nextCursor` (string | null, required)
- `400`: Invalid request
- `401`: Missing or invalid Bearer credential
- `402`: Payment or subscription required
- `403`: Credential is missing a required scope
- `404`: Resource not found
- `409`: Request conflict
- `429`: Rate limit exceeded
- `500`: Internal API error