---
title: "Get the unsigned chain-specific message needed to be signed by the wallet owner using the wallet private key"
method: POST
path: "/environments/{environmentId}/nameService/{chainName}/signingMessage"
tags: ["NameServices"]
---

# Get the unsigned chain-specific message needed to be signed by the wallet owner using the wallet private key

`POST /environments/{environmentId}/nameService/{chainName}/signingMessage`

## Path parameters

- `environmentId` string, required
- `chainName` 'ETH' | 'EVM' | 'FLOW' | 'SOL' | 'ALGO' | 'STARK' | 'COSMOS' | 'BTC' | 'ECLIPSE' | 'SUI' | 'SPARK' | 'TRON' | 'APTOS' | 'TON' | 'STELLAR', required

## Request body

- NameServiceSigningMessageRequest
  - `address` string, required — Valid blockchain wallet address, must be an alphanumeric string without any special characters
  - `domain` string, required
  - `uri` string, url, required

## Response `200`

Unsigned SIWE message to sign

- NameServiceSigningMessage
  - `unsignedMessage` string, required — Plaintext message in chain-specific format (eg. SIWE for EVM) that needs to be signed with the admin domain address.

## Other responses

- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not found
- `422` — Unprocessable Entity
- `500` — Internal Server Error

---

[API](https://skmtc.net/dynamic/apis/dashboard-api.md) · [All operations](https://skmtc.net/dynamic/apis/dashboard-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/dynamic/dashboard-api/revisions/aac826315d90/schema)