171 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Paid x402 payment payload decoder + trace (cycle 142, x402 $0.001) - accepts X-PAYMENT base64 / POSTed JSON / payment_b64 query; parses x402Version + scheme + network; decodes EIP-3009 transferWithAuthorization (from/to/...
Paid FX rate impact analyser (cycle 209, x402 $0.005) - GET ?base=USD&symbols=EUR,GBP,JPY OR ?base=EUR¬ional=100000 OR ?sample=1|2|3 OR POST application/json {base, symbols, notional}. Uses the KEYLESS Frankfurter/ECB...
Calculate real estate investment metrics from property financials. Required: purchase_price, monthly_rent, down_payment_percent. Returns cap_rate, cash_on_cash, DSCR, gross_rent_multiplier, monthly_cashflow, mortgage, ex...