---
title: "Wallet Challenge"
method: POST
path: "/v1/portal/auth/challenge"
tags: ["portal"]
---

# Wallet Challenge

`POST /v1/portal/auth/challenge`

## Request

- Base URL: `https://app.mrtrades.com` (the document declares no server; this is the origin it was published from)
- URL: `https://app.mrtrades.com/v1/portal/auth/challenge`
- Auth: none declared

Issue a SIWE nonce for wallet *linking* after Auth (not a login session).

## Headers

- `x-api-key` string, nullable
- `authorization` string, nullable

## Request body

- WalletChallenge
  - `wallet_addr` string, required

## Response `200`

Successful Response

- object

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/mrtrades/apis/mtdp-api.md) · [All operations](https://skmtc.dev/mrtrades/apis/mtdp-api/llms.txt) · [OpenAPI document](https://skmtc.dev/mrtrades/apis/mtdp-api/revisions/ba2bad6ca261?raw)