---
title: "Get Auth Config"
method: GET
path: "/geocatalog/auth"
tags: ["GeoCatalog Instance Configuration"]
---

# Get Auth Config

`GET /geocatalog/auth`

Get the app id and tenant id information to make a MSAL request for this
GeoCatalog instance.

## Query parameters

- `api-version` string, required

## Response `200`

The request has succeeded.

- AuthConfig — Microsoft Authentication Library (MSAL) configuration for frontend authentication.
  - `authn_app_id` string, required — Application ID for authentication.
  - `tenant_id` string, required — Azure Active Directory tenant ID.
  - `instance` string, uri, required — Azure AD instance URL.
  - `redirect_uri` string, uri — Redirect URI after authentication.

## Other responses

- `default` — An unexpected error response.

## Changes

- **2025-05-15** (2025-04-30-preview) `00cbc3d6d8e0` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/azure/apis/orbital-microsoft-planetarycomputer/changes/geocatalog/auth/get.md)

---

[API](https://skmtc.dev/azure/apis/orbital-microsoft-planetarycomputer.md) · [All operations](https://skmtc.dev/azure/apis/orbital-microsoft-planetarycomputer/llms.txt) · [OpenAPI document](https://skmtc.dev/azure/apis/orbital-microsoft-planetarycomputer/revisions/451a589dc670?raw)
