{"x402Version":1,"resources":[{"resource":"https://founder.tail7a0ba4.ts.net/research","method":"GET","price":"$0.003","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"On-demand web research digest — free-source curated (Wikipedia + Hacker News + Jina Reader). GET /research?q=<topic>; pay per request in USDC on Base. Runs on any install, $0 source cost."},{"resource":"https://founder.tail7a0ba4.ts.net/compound-interest","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Compound interest calculator. GET /compound-interest?principal=10000&rate=5&years=10&compoundsPerYear=12 → final amount + interest earned. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/mortgage","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Mortgage payment and total interest calculator. GET /mortgage?principal=300000&rate=6&years=30 → monthlyPayment, totalPaid, totalInterest. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/loan-payoff","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Loan payoff duration and interest calculator. GET /loan-payoff?balance=10000&rate=6&monthlyPayment=500 → months, totalInterest. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/roi","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Total and optional annualized return on investment calculator. GET /roi?initial=1000&final=1500&years=3 → roiPercent, annualizedPercent. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/npv","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Net present value calculator for comma-separated cash flows starting at t0. GET /npv?rate=10&cashflows=-1000,600,600 → npv. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/irr","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Internal rate of return calculator with numerical fallback. GET /irr?cashflows=-1000,600,600 → irrPercent. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/dcf","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Discounted cash flow valuation with Gordon terminal value. GET /dcf?fcf=100&growthRate=5&discountRate=10&years=5&terminalGrowth=2 → presentValue. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/cagr","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Compound annual growth rate calculator. GET /cagr?start=100&end=200&years=5 → cagrPercent. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/apr-apy","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"APR and APY bidirectional converter. GET /apr-apy?apr=12&compoundsPerYear=12 → apr, apy. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/break-even","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Break-even unit and revenue calculator. GET /break-even?fixedCosts=1000&pricePerUnit=50&variableCostPerUnit=30 → units, revenue. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/present-value","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Present value calculator for a future amount. GET /present-value?future=1000&rate=10&years=2 → presentValue. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/future-value-annuity","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Future value calculator for recurring end-of-period contributions. GET /future-value-annuity?payment=100&rate=5&years=10&compoundsPerYear=12 → futureValue, totalContributed, interestEarned. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/savings-goal","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Required recurring contribution calculator for a savings target. GET /savings-goal?target=10000&rate=5&years=3&compoundsPerYear=12 → monthlyContribution. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/percent-change","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Percentage change calculator. GET /percent-change?from=100&to=125 → percentChange. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/inflation-adjust","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Inflation-adjusted nominal need and purchasing power calculator. GET /inflation-adjust?amount=1000&rate=3&years=10 → futureNominalNeeded, presentPurchasingPower. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/position-size","method":"GET","price":"$0.002","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Risk-based long or short position sizing calculator. GET /position-size?balance=10000&riskPercent=1&entry=100&stop=95 → positionSize, notional, direction. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/kelly","method":"GET","price":"$0.002","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Kelly criterion and half-Kelly sizing calculator. GET /kelly?winProb=0.6&winLossRatio=2 → kellyFraction, halfKelly. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/liquidation-price","method":"GET","price":"$0.002","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Approximate leveraged long or short liquidation price calculator. GET /liquidation-price?entry=100&leverage=10&side=long&maintenanceMarginPercent=0.5 → liquidationPrice. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/perp-pnl","method":"GET","price":"$0.002","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Perpetual futures PnL, return, and optional leveraged ROE calculator. GET /perp-pnl?entry=100&exit=110&size=2&side=long&leverage=5 → pnl, pnlPercent, roePercent. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/impermanent-loss","method":"GET","price":"$0.002","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Constant-product AMM impermanent loss calculator. GET /impermanent-loss?priceRatio=4 → ilPercent. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/hash","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"SHA-256, SHA-512, or MD5 text digest generator. GET /hash?text=hello&algo=sha256 → digest. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/base64","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Base64 UTF-8 encoder and validated decoder. GET /base64?text=hello or /base64?text=aGVsbG8%3D&decode=1 → result. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/timestamp","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Unix seconds, Unix milliseconds, and ISO 8601 timestamp converter. GET /timestamp?value=1704067200 → unixSeconds, unixMillis, iso, utc. Deterministic JSON, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/calc","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Arithmetic expression evaluator (+ - * / % ^ and parentheses). GET /calc?expr=(2%2B3)*4 → {result}. Deterministic JSON, instant, no code execution."},{"resource":"https://founder.tail7a0ba4.ts.net/json-flatten","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Flatten nested JSON to dot-notation key/value pairs. GET /json-flatten?json=<url-encoded JSON> → flat object. Deterministic, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/dns-lookup","method":"GET","price":"$0.001","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"DNS lookup. GET /dns-lookup?domain=example.com&type=A|AAAA|MX|TXT|NS|CNAME|SOA → records as JSON. Live authoritative data, instant."},{"resource":"https://founder.tail7a0ba4.ts.net/whois","method":"GET","price":"$0.002","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"WHOIS lookup with IANA referral follow. GET /whois?domain=example.com → registrar whois text as JSON. Live registry data."},{"resource":"https://founder.tail7a0ba4.ts.net/stock-quote","method":"GET","price":"$0.003","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Real-time stock quote (price, currency, previous close, exchange). GET /stock-quote?symbol=AAPL → JSON. Free-source market data."},{"resource":"https://founder.tail7a0ba4.ts.net/funding-rates","method":"GET","price":"$0.003","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Perp funding rates across Binance/Bybit/Hyperliquid, normalized to 8h-equivalent, plus cross-exchange divergence (annualized bps, top20 arbitrage signal). GET /funding-rates or /funding-rates?symbol=BTC → JSON. Free-source, 60s cache."},{"resource":"https://founder.tail7a0ba4.ts.net/funding-rate-arb","method":"GET","price":"$0.003","network":"base","payTo":"0x810f6d61f7606deee2657d3083e150a222bc29c5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Every distinct Binance/Bybit/Hyperliquid exchange-pair funding-rate spread per symbol (not just the single highest-vs-lowest pair), sorted by annualized bps divergence descending, with short(high-funding venue)/long(low-funding venue) direction per pair. GET /funding-rate-arb (top20 across all symbols) or /funding-rate-arb?symbol=BTC (all pairs for that symbol) → JSON. Pure arithmetic on the same cached data as /funding-rates, $0 marginal cost, 60s cache."}]}