---
title: "Post Passport Challenge"
method: POST
path: "/v1/auth/passport/challenge"
tags: ["passport-auth"]
---

# Post Passport Challenge

`POST /v1/auth/passport/challenge`

## Request

- Base URL: `https://api.lithtrix.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.lithtrix.ai/v1/auth/passport/challenge`
- Auth: none declared

Mint a single-use nonce + TTL for passport-signed Bearer exchange.

## Request body

- ChallengeRequest
  - `agent_id` string, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/lithtrix/apis/lithtrix-api.md) · [All operations](https://skmtc.dev/lithtrix/apis/lithtrix-api/llms.txt) · [OpenAPI document](https://skmtc.dev/lithtrix/apis/lithtrix-api/revisions/be5de51bf4f8?raw)