---
title: "Register Multi Instance App"
method: POST
path: "/v2/authentication/{registrationId}"
tags: ["appRegistration"]
---

# Register Multi Instance App

`POST /v2/authentication/{registrationId}`

Sends a registration request for another instance of the same application

## Path parameters

- `registrationId` string, required

## Headers

- `x-tenant-id` string, uuid, required
- `x-challengecode` string, required

## Response `200`

Status of the registration process (including the unique identifiers of the application and registration request)

- JTLWawiRestContractsModelsV1AuthenticationRegistrationRequestStatusInfo — Model Class: RegistrationRequestStatusInfo
  - `appId` string — Unique identifier of the application
  - `registrationRequestId` string — Unique identifier of the registration request
  - `status` 0 | 1 | 2 — 0 = Pending, 1 = Rejected, 2 = Accepted

## Other responses

- `400` — The operation was not allowed in the given context.
- `402` — No licence available or the application has not been authorised by JTL.
- `403` — There was no application service available to receive and handle the registration.

---

[API](https://skmtc.net/jtl-software/apis/scx-authentication-api.md) · [All operations](https://skmtc.net/jtl-software/apis/scx-authentication-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/jtl-software/scx-authentication-api/revisions/f979b1ea6951/schema)