---
title: "List Messages Route"
method: GET
path: "/api/v1/nova/sessions/{session_id}/messages"
tags: ["nova"]
---

# List Messages Route

`GET /api/v1/nova/sessions/{session_id}/messages`

Replay, for the human who owns this conversation or for the sandbox
rebuilding its memory from it. The only route the `xat_` token reaches.

## Path parameters

- `session_id` string, uuid, required

## Query parameters

- `agent_name` string, nullable
- `limit` integer
- `before_seq` integer, nullable

## Headers

- `authorization` string, nullable

## Response `200`

Successful Response

- NovaMessageRead[]
  - `id` string, uuid, required
  - `seq` integer, required
  - `role` string, required
  - `parts` unknown[], required
    - unknown
  - `context` object, nullable

## Other responses

- `422` — Validation Error

## Changes

- **2026-09-11** `3bf37c9d2784` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/xenovia/apis/controlplane/changes/api/v1/nova/sessions/:session_id/messages/get.md)

---

[API](https://skmtc.dev/xenovia/apis/controlplane.md) · [All operations](https://skmtc.dev/xenovia/apis/controlplane/llms.txt) · [OpenAPI document](https://skmtc.dev/xenovia/apis/controlplane/revisions/b20a3bdd6219?raw)