Wallet Auth

Create Challenge

Issue an EIP-4361 (Sign-In with Ethereum) challenge for a wallet address.

Sign message verbatim with personal_sign (EIP-191) and send the signature plus nonce to /wallet/verify before expires_at. The nonce is single-use.

post/api/v1/wallet/challenge

Request

  • Base URL: https://cryptodataapi.com
  • URL: https://cryptodataapi.com/api/v1/wallet/challenge
  • Auth: none declared

Request body

wallet_addressstring required
chain_idinteger nullable

Response

Successful Response

messagestring required
noncestring required
expires_atstring date-time nullable

Changes

No recorded changes to this operation across all 1 revision of this API.