---
title: "Last seen"
method: GET
path: "/tracking/timeseries/session_by_device/last_seen/v1"
tags: ["/tracking"]
---

# Last seen

`GET /tracking/timeseries/session_by_device/last_seen/v1`

Returns the most recent data point for a session, excluding outliers. Access restricted to the caller's organization. | auth: api_key | authz: min_org_role=operator | () -> (SessionByDeviceDataPoint1 | None)

## Query parameters

- `session_id` string, required

## Response `200`

Successful Response

- SessionByDeviceDataPoint1 — unresolved $ref

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/chrt/apis/chrt-fastapi.md) · [All operations](https://skmtc.dev/chrt/apis/chrt-fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/chrt/chrt-fastapi/revisions/ea04e157edb3/schema)