---
title: "Link a wallet to the authenticated account"
method: POST
path: "/api/v2/accounts/wallets/siwx"
tags: ["Account Endpoints"]
---

# Link a wallet to the authenticated account

`POST /api/v2/accounts/wallets/siwx`

Verify control of a wallet using a SIWX signature and link it to the authenticated account.

## Request body

- LinkWalletSiwxRequest
  - `message` unknown, required
  - `signature` string, required
  - `chainArch` string, required

## Response `200`

Wallet linked successfully

- WalletLinkResponse
  - `linkedWalletAddress` string, required

## Other responses

- `400` — For error reasons, review the response data.
- `401` — Invalid or missing API key
- `403` — Forbidden
- `404` — Not Found
- `409` — Conflict
- `500` — Internal server error. Please open a support ticket so OpenSea can investigate.

---

[API](https://skmtc.net/opensea/apis/opensea-api.md) · [All operations](https://skmtc.net/opensea/apis/opensea-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/opensea/opensea-api/versions/acee8835f2ae/schema)