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An account is two addresses. You sign with one and you are funded at the other.

Creating an account

Sign up at sx.bet and choose a username. Two ways in:
  • Email or Google — a non-custodial Magic wallet is created for you, tied to your email. Easiest with no prior crypto experience.
  • Connect a wallet — bring an existing wallet such as MetaMask or Rabby.
You end up with a public address and a private key. A proxy wallet is deployed for you when you log in to the site, or when you call POST /user/deploy-proxy.

Non-custodial

USDC sits in a proxy contract your account. Your signature authorises each bet, collateral sits in escrow, and settlement pays out on chain. Withdrawals and transfers out of your proxy wallet require your signature

Your address and private key

  • Your address is your public identity — something like 0x52adf738AAD93c31f798a30b2C74D658e1E9a562. It is how the API identifies you and it is safe to share.
  • Your private key proves you own the wallet. It signs every order. Never expose this.
Anyone with your private key has full control of your wallet and funds. Never share it, never hardcode it, never commit it — use environment variables.
If you signed up with email or Google, you can retrieve your private key from the assets page:

Your proxy wallet

Trading is proxy-only. Your bets are placed, collateralised and paid out through a contract you own, called the proxy wallet.

Looking up your proxy

GET /user/proxy returns your proxy address.

The Safe underneath

Every deployed proxy has a Safe smart account automatically attached, reported as multisigSafeAddress. The Safe authorises the sensitive actions — withdrawal, internal transfers, signer management. Safe and Safe{Core} are trademarks of the Safe Ecosystem Foundation, used here descriptively. SX Bet is not affiliated with or endorsed by Safe Global.

Deploy a proxy wallet

The request, what a repeat call does, and the 200.

Look up a proxy wallet

The predicted address, the deployed flag, and the Safe address.

Funding

Moving USDC in with a permit, without paying gas.

Reading balances

What you can actually spend, and why.
Last modified on August 11, 2026