---
title: "Issue a wallet verification nonce (SIWE)"
method: POST
path: "/api/passport/wallet/nonce"
tags: ["Session"]
---

# Issue a wallet verification nonce (SIWE)

`POST /api/passport/wallet/nonce`

## Request

- Base URL: `https://passport.me`
- URL: `https://passport.me/api/passport/wallet/nonce`
- Auth: API key in cookie `passport_session`

## Request body

- object
  - `address` string, required: EIP-55 checksummed wallet address
  - `chainId` integer

## Response `200`

Nonce issued

- object

## Other responses

- `400`: Invalid request payload.
- `405`: Method not allowed.

---

[API](https://skmtc.dev/passport-me/apis/passport-me-api.md) · [All operations](https://skmtc.dev/passport-me/apis/passport-me-api/llms.txt) · [OpenAPI document](https://skmtc.dev/passport-me/apis/passport-me-api/revisions/c0081754a2dc?raw)