curl --request POST \
  --url https://test-api.shodai.network/v0/siwe/nonce \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "address": "0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266"
}
'

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({address: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266'})
};

fetch('https://test-api.shodai.network/v0/siwe/nonce', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "data": {
    "address": "0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266",
    "nonce": "0123456789abcdef0123456789abcdef",
    "issuedAt": "2026-08-07T20:00:00.000Z"
  },
  "meta": {
    "apiVersion": "v0",
    "requestId": "req_123"
  }
}

{
  "error": {
    "code": "unauthorized",
    "message": "Missing API credential",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "unauthorized",
    "message": "Missing API credential",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "unauthorized",
    "message": "Missing API credential",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "unauthorized",
    "message": "Missing API credential",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}