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GET
xo-orderbook-client-rs

Authorizations

XO_API_KEY
string
header
required

L2 HMAC request signature. See Authentication.

Query Parameters

address
string
required
asset_type
enum<string>
Available options:
COLLATERAL,
CONDITIONAL
token_id
string

Response

OK

balance
string
required

USDC cash balance in micro-units, decimal string. (XO does not currently honour asset_type=CONDITIONAL — see endpoint description.)

allowance
string
required

Available cash after open-order reservations, decimal-string micro-USDC. balance - allowance is the amount earmarked against resting BUY orders.

smart_account
string | null

User's smart-account address as hex without 0x prefix (e.g. "CAFE000000000000000000000000000000000A11"). null for plain EOA users with no smart account. XO-only field — not part of the canonical CLOB wire contract.