Access & Keys

SIWX wallet auth, step 1 — get the message to sign

Sign In With X (CAIP-122): returns the exact message the wallet must sign, with a stateless server-bound nonce. Free, no payment. Chains: base (any EVM signer), solana, algorand.

get/api/auth/nonce

Request

  • Base URL: https://coil.trade
  • URL: https://coil.trade/api/auth/nonce
  • Auth: none required

Query parameters

addressstring required

The wallet address signing in

chain'base' | 'evm' | 'solana' | 'algorand'

Response

The message to sign, its nonce, and issued_at (10-minute window).

Changes

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