---
title: "POST /api/sessions/check-in"
method: POST
path: "/api/sessions/check-in"
tags: ["sessions"]
---

# POST /api/sessions/check-in

`POST /api/sessions/check-in`

## Request

- Base URL: `https://api.1se.co`
- URL: `https://api.1se.co/api/sessions/check-in`
- Auth: none declared

General endpoint for client-server information exchange

## Query parameters

- `auth_token` string

## Headers

- `X-1se-App-Version` string
- `X-1se-App-Build` string
- `X-1se-App-Environment` string
- `X-1se-App-Bundle-Id` string
- `X-1se-Ignore-Sandbox-Lifetime` string

## Request body

- PostApiSessionsCheckIn: General endpoint for client-server information exchange
  - `country` string
  - `language` string
  - `timezone_offset` integer
  - `timezone_name` string
  - `total_snippets_on_device` integer
  - `active_journal_projects` integer
  - `active_freestyle_projects` integer
  - `device_token` string
  - `full_screen_watch_time_seconds_since_checkin` integer
  - `mash_template_watch_time_seconds_since_checkin` integer
  - `mashing_options_watch_time_seconds_since_checkin` integer
  - `feed_template_watch_time_seconds_since_checkin` integer
  - `goal` string
  - `device_model` string: Device model identifier (e.g., iPhone16,1)
  - `os_version` string: OS version (e.g., 18.5)
  - `screen_scale` string: Screen scale factor (e.g., 3)
  - `screen_resolution` string: Screen resolution (e.g., 1179x2556)
  - `locale` string: Device locale (e.g., en_US)

## Response `201`

General endpoint for client-server information exchange

---

[API](https://skmtc.dev/1se/apis/1se-api-for-mobile-apps.md) - [All operations](https://skmtc.dev/1se/apis/1se-api-for-mobile-apps/llms.txt) - [OpenAPI document](https://skmtc.dev/1se/apis/1se-api-for-mobile-apps/revisions/18c69ebf0268?raw)