---
title: "Sign a message with a Solana wallet"
method: POST
path: "/user/{address}/wallet/solana/signature"
tags: ["Solana wallet endpoints"]
---

# Sign a message with a Solana wallet

`POST /user/{address}/wallet/solana/signature`

Sign a message with a Solana wallet. Authentication with an API key is required.

## Path parameters

- `address` string, required

## Headers

- `Authorization` string, required

## Request body

- SolanaSignatureRequest
  - `message` string — Message to sign

## Response `200`

Signature result

- SolanaSignatureResponse[]
  - `signature` string — Result of a signing operation

## Other responses

- `400` — Invalid address
- `404` — Address not found

---

[API](https://skmtc.net/unstoppabledomains/apis/profile-api.md) · [All operations](https://skmtc.net/unstoppabledomains/apis/profile-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/unstoppabledomains/profile-api/revisions/10f8400cb1c1/schema)
