Call when an agent needs a spot order-book snapshot with best bid, best ask, mid, spread, and spread in bps. depth defaults to 20 and is at most 100. Tries Coinbase Exchange, Kraken, OKX, then Binance. Send JSON {"symbol":"BTC-USD","depth":2}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/crypto-orderbook first.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.005000 USDC | 0x1D61...5a38 |