---
title: "Join"
method: POST
path: "/robots/tailnet"
tags: ["robots"]
---

# Join

`POST /robots/tailnet`

## Request

- Base URL: `https://api.os3robotics.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.os3robotics.com/robots/tailnet`
- Auth: HTTP bearer

The key this robot joins OS3's tailnet with, its tag and node name; 404 tailnet_off when
the platform has no tailnet (its endpoints are reached directly).

## Response `200`

Successful Response

- TailnetJoin
  - `auth_key` string, required
  - `tag` string, required
  - `hostname` string, required
  - `expires_at` string, date-time, required

---

[API](https://skmtc.dev/os3robotics/apis/os3-api.md) - [All operations](https://skmtc.dev/os3robotics/apis/os3-api/llms.txt) - [OpenAPI document](https://skmtc.dev/os3robotics/apis/os3-api/revisions/af32cd4f14bb?raw)