Paid services on Base matching “learning”

Public holidays for any country and year, plus optional business-day checking. Pass country= (ISO alpha-2) and year=; add date= to learn whether that day is a business day, whether it is a weekend or public holiday, the holiday name, and the next business day. Covers 100+ countries. JSON response. $0.01 USDC per call, pay via x402, no API key.

Learning-only BOJ-themed macro snapshot API for x402 v2 Base mainnet verification.

Use before paying an x402 endpoint you have not used before, when you cannot tell a working seller from a trap, a testnet address dressed as mainnet, or a listing whose price no longer matches its challenge. Returns a verdict — live, degraded, trap, testnet or dead — a 0-100 risk score, and the specific findings behind both, so an agent can decline a bad endpoint instead of learning about it by lo

Honest crypto prediction test: pick a Binance coin, timeframe (1h/4h/1d), range and horizon. Trains a scikit-learn random forest walk-forward (past data only, tested on unseen later candles) and reports accuracy vs baselines (always up, majority, last move repeats), p-values, feature importance, a fee-aware strategy vs buy-and-hold, and the latest prediction with a clear no-edge verdict. Body: {"s