---
title: "Reset chat context stack for a session (keeps hard user profile L2)"
method: POST
path: "/api/personal-agent/session/:sessionId/reset"
tags: ["Personal Agent"]
---

# Reset chat context stack for a session (keeps hard user profile L2)

`POST /api/personal-agent/session/:sessionId/reset`

## Request

- Base URL: `https://api.cernion.de`
- URL: `https://api.cernion.de/api/personal-agent/session/:sessionId/reset`
- Auth: none declared

Flushes conversational Layer 3 for the given session while keeping the persisted Layer 2 profile.

## Path parameters

- `sessionId` string, required

## Query parameters

- `token` string

## Request body

- object
  - `reason` string
  - `token` string: Optional Cernion MCP token for this request. Overrides CERNION_TOKEN when provided.

## Response `200`

Successful response

- object

---

[API](https://skmtc.dev/cernion/apis/cernion-energy-tools-api.md) · [All operations](https://skmtc.dev/cernion/apis/cernion-energy-tools-api/llms.txt) · [OpenAPI document](https://skmtc.dev/cernion/apis/cernion-energy-tools-api/revisions/cdb94473b538?raw)