---
title: "POST /v2/admin-auth/oidc-challenges"
method: POST
path: "/v2/admin-auth/oidc-challenges"
tags: ["Admin authentication"]
---

# POST /v2/admin-auth/oidc-challenges

`POST /v2/admin-auth/oidc-challenges`

## Request

- Base URL: `https://api.arbital.xyz` (the document declares no server; this is the origin it was published from)
- URL: `https://api.arbital.xyz/v2/admin-auth/oidc-challenges`
- Auth: none declared

## Response `201`

Single-use OIDC nonce challenge

- object
  - `challenge_id` string, uuid, required
  - `expires_at_unix` integer, required
  - `nonce` string, required

## Other responses

- `503`: Stable machine-readable problem. HTTP 429 and 503 responses include retry and cache-validity fields plus Retry-After and X-Request-ID headers.

---

[API](https://skmtc.dev/arbital/apis/arbital-api.md) - [All operations](https://skmtc.dev/arbital/apis/arbital-api/llms.txt) - [OpenAPI document](https://skmtc.dev/arbital/apis/arbital-api/revisions/bb0185edf43a?raw)