---
title: "Heartbeat Public Tech Pack Presence"
method: POST
path: "/questionnaires/public/techpack/{share_code}/presence/heartbeat"
tags: ["questionnaires"]
---

# Heartbeat Public Tech Pack Presence

`POST /questionnaires/public/techpack/{share_code}/presence/heartbeat`

## Request

- Base URL: `https://api.threadchain.pro` (the document declares no server; this is the origin it was published from)
- URL: `https://api.threadchain.pro/questionnaires/public/techpack/{share_code}/presence/heartbeat`
- Auth: OAuth 2
  - Password
  - Token URL: `auth/token`

## Path parameters

- `share_code` string, required

## Headers

- `x-share-token` string, nullable

## Request body

- TechPackPresenceHeartbeat
  - `session_id` string, required
  - `page` string, nullable: Active tech pack tab slug, e.g. 'cover', 'pom'.
  - `guest_name` string, nullable: Display label for anonymous public viewers without an account.

## Response `200`

Successful Response

- TechPackPresenceListResponse
  - `viewers` TechPackPresenceViewer[]
    - `session_id` string, required
    - `user_id` string, uuid, nullable
    - `initials` string, required
    - `display_name` string, required
    - `page` string, nullable

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/threadchain/apis/threadchain-backend.md) - [All operations](https://skmtc.dev/threadchain/apis/threadchain-backend/llms.txt) - [OpenAPI document](https://skmtc.dev/threadchain/apis/threadchain-backend/revisions/8ee288a7e6bd?raw)