Call when an agent needs OHLCV candles for a spot symbol and interval (1m, 5m, 15m, 1h, 4h, 1d), limit up to 500. Tries Coinbase Exchange, Kraken, OKX, then Binance. No API key. Send JSON {"symbol":"BTC-USD","interval":"1h","limit":2}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/crypto-candles first.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.005000 USDC | 0x1D61...5a38 |