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Consumer Authentication

/

API reference

/

Crypto wallets

/

Authenticate start

Start Crypto Wallet authentication

POST
https://test.stytch.com/v1/crypto_wallets/authenticate/start

Initiate the authentication of a crypto wallet. After calling this endpoint, the user will need to sign a message containing the returned challenge field.

For Ethereum crypto wallets, you can optionally use the Sign In With Ethereum (SIWE) protocol for the message by passing in the siwe_params. The only required fields are domain and uri. If the crypto wallet detects that the domain in the message does not match the website's domain, it will display a warning to the user.

If not using the SIWE protocol, the message will simply consist of the project name and a random string.

Body parameters

crypto_wallet_type* string
crypto_wallet_address* string
user_id string
session_token string
session_jwt string
siwe_params object

Response fields

status_code int
request_id string
user_id string
challenge string
user_created boolean
const stytch = require('stytch');

const client = new stytch.Client({
  project_id: 'PROJECT_ID',
  secret: 'SECRET',
});

const params = {
  crypto_wallet_type: "ethereum",
  crypto_wallet_address: "0x6df2dB4Fb3DA35d241901Bd53367770BF03123f1",
};

client.cryptoWallets.authenticateStart(params)
  .then(resp => { console.log(resp) })
  .catch(err => { console.log(err) });
RESPONSE
200
​
{
  "status_code": 200,
  "request_id": "request-id-test-b05c992f-ebdc-489d-a754-c7e70ba13141",
  "user_id": "user-test-16d9ba61-97a1-4ba4-9720-b03761dc50c6",
  "challenge": "Signing in with Project: 7_EPetPqfdEiDCJtgad6-xsXytN3Ee9tx6mdRTQK3fC7-J2PDxpP1GAvYB9Ic4E09h-K88STiRIzKSGP",
  "user_created": true
}

Common Error Types

  • invalid_ethereum_address
  • invalid_solana_address
  • invalid_wallet_address_user
  • invalid_wallet_type