# Services from finmath.qzqh5rrbkz.workers.dev on Zero

> finmath.qzqh5rrbkz.workers.dev serves 62 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/finmath.qzqh5rrbkz.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/finmath.qzqh5rrbkz.workers.dev/health.json

## Services

- [finmath – Deterministic Finance & Crypto Math API](https://www.zero.xyz/c/finmath-deterministic-finance-crypto-math-api-7510750b/llms.txt): $0.001/call via x402. Computes exact financial and DeFi math (NPV, IRR, Black-Scholes, Greeks, bond pricing, VaR, Sharpe, impermanent loss, Uniswap v3, perp liquidation, health factor, cost basis) via a JSON-in/JSON-out API, billed per call in USDC.
- [finmath Sharpe Ratio Calculator](https://www.zero.xyz/c/finmath-sharpe-ratio-calculator-c3c97979/llms.txt): $0.002/call via x402. Computes the Sharpe ratio from a series of returns, optional risk-free rate, and annualization frequency using exact arithmetic
- [finmath Function Selector](https://www.zero.xyz/c/finmath-function-selector-b5c5520b/llms.txt): $0.001/call via x402. Routes financial and crypto math function calls (TradFi and DeFi) to the correct deterministic computation engine via a function signature
- [finmath Health Factor Calculator](https://www.zero.xyz/c/finmath-health-factor-calculator-cb3174b0/llms.txt): $0.001/call via x402. Computes the DeFi health factor for a collateralized lending position given debt value, collateral value, and liquidation threshold
- [finmath Kelly Criterion Calculator](https://www.zero.xyz/c/finmath-kelly-criterion-calculator-a18df9fa/llms.txt): $0.001/call via x402. Computes the optimal Kelly Criterion fraction — the theoretically ideal bet size as a fraction of bankroll — given a win probability and win/loss ratio.
- [finmath ETH Address Checksum](https://www.zero.xyz/c/finmath-eth-address-checksum-97afb83f/llms.txt): $0.001/call via x402. Converts an Ethereum address to its EIP-55 checksummed (mixed-case) canonical form
- [finmath Present Value of Annuity](https://www.zero.xyz/c/finmath-present-value-of-annuity-0e86a26c/llms.txt): $0.001/call via x402. Computes the present value (PV) of an ordinary or due annuity given a fixed periodic payment, number of periods, and interest rate per period.
- [finmath DCA Backtest](https://www.zero.xyz/c/finmath-dca-backtest-bd3a31a6/llms.txt): $0.002/call via x402. Backtests a dollar-cost averaging (DCA) strategy against a historical price series, computing exact portfolio metrics using deterministic arithmetic
- [finmath – Financial & DeFi Math Engine](https://www.zero.xyz/c/finmath-financial-defi-math-engine-a5d4d00c/llms.txt): $0.001/call via x402. Computes deterministic financial and DeFi calculations (NPV, IRR, Black-Scholes, impermanent loss, Uniswap v3, VaR, health factor, etc.) with base64-encoded input, billed per call in USDC
- [finmath Bond Duration Calculator](https://www.zero.xyz/c/finmath-bond-duration-calculator-7c58470b/llms.txt): $0.002/call via x402. Computes the Macaulay or modified duration of a bond given its face value, coupon rate, yield, frequency, and maturity.
- [finmath Bond Convexity Calculator](https://www.zero.xyz/c/finmath-bond-convexity-calculator-195b8fd0/llms.txt): $0.002/call via x402. Computes the convexity of a bond given face value, coupon rate, yield, maturity, and payment frequency
- [finmath Perpetual Funding Payment Calculator](https://www.zero.xyz/c/finmath-perpetual-funding-payment-calculator-9c80752d/llms.txt): $0.001/call via x402. Calculates the funding payment for a perpetual futures position given the side, funding rate, and position notional value
- [finmath Cost Basis Calculator](https://www.zero.xyz/c/finmath-cost-basis-calculator-affc463c/llms.txt): $0.002/call via x402. Computes cost basis for cryptocurrency or asset lots using configurable accounting methods (FIFO, LIFO, HIFO, etc.) given purchase lots and a sale quantity
- [finmath Volatility Calculator](https://www.zero.xyz/c/finmath-volatility-calculator-dd92a954/llms.txt): $0.002/call via x402. Computes annualized volatility from a series of periodic returns using exact deterministic arithmetic
- [finmath CAGR Calculator](https://www.zero.xyz/c/finmath-cagr-calculator-a6acd424/llms.txt): $0.001/call via x402. Computes Compound Annual Growth Rate (CAGR) from a beginning value, ending value, and number of years using deterministic arithmetic
- [finmath NPV Calculator](https://www.zero.xyz/c/finmath-npv-calculator-781e06d1/llms.txt): $0.001/call via x402. Computes the Net Present Value (NPV) of a series of cash flows at a given discount rate using exact arithmetic
- [finmath Bond Yield to Maturity (YTM) Calculator](https://www.zero.xyz/c/finmath-bond-yield-to-maturity-ytm-calculator-f340ca49/llms.txt): $0.002/call via x402. Computes the yield to maturity (YTM) of a bond given its face value, market price, coupon rate, maturity, and payment frequency.
- [finmath Funding APR Calculator](https://www.zero.xyz/c/finmath-funding-apr-calculator-8f8dcbc1/llms.txt): $0.001/call via x402. Converts a perpetual futures funding rate into an annualized percentage rate (APR), accounting for funding interval frequency
- [finmath XIRR Calculator](https://www.zero.xyz/c/finmath-xirr-calculator-dbfe54d5/llms.txt): $0.002/call via x402. Computes the Extended Internal Rate of Return (XIRR) for irregular cash flow series with exact, deterministic arithmetic
- [finmath Black-Scholes Option Pricer](https://www.zero.xyz/c/finmath-black-scholes-option-pricer-11fa05d1/llms.txt): $0.003/call via x402. Computes Black-Scholes option price and Greeks for a European call or put given spot, strike, rate, volatility, and time to expiry
- [finmath Impermanent Loss Calculator](https://www.zero.xyz/c/finmath-impermanent-loss-calculator-3991f4cd/llms.txt): $0.001/call via x402. Calculates the impermanent loss percentage for a DeFi liquidity provider given a price ratio between the current and initial asset prices.
- [finmath Correlation](https://www.zero.xyz/c/finmath-correlation-23be74f8/llms.txt): $0.002/call via x402. Computes the Pearson correlation coefficient between two numerical arrays using exact arithmetic
- [finmath Value at Risk (VaR)](https://www.zero.xyz/c/finmath-value-at-risk-var-cb96c37f/llms.txt): $0.002/call via x402. Computes Value at Risk (VaR) for a portfolio given a list of historical returns and a confidence level using exact deterministic arithmetic
- [finmath APY to APR Converter](https://www.zero.xyz/c/finmath-apy-to-apr-converter-90388353/llms.txt): $0.001/call via x402. Converts Annual Percentage Yield (APY) to Annual Percentage Rate (APR) given a specified compounding frequency, using exact deterministic arithmetic.
- [finmath XNPV — Extended Net Present Value Calculator](https://www.zero.xyz/c/finmath-xnpv-extended-net-present-value-calculator-a7ade54c/llms.txt): $0.002/call via x402. Computes the exact Net Present Value of irregular cash flows discounted at a specified rate, accounting for actual calendar dates between cash flows (XNPV formula).
- [finmath CAGR from Series](https://www.zero.xyz/c/finmath-cagr-from-series-d67a1f53/llms.txt): $0.002/call via x402. Computes the Compound Annual Growth Rate (CAGR) from a time series of values, with configurable periods-per-year.
- [finmath Uniswap v3 Token Amounts Calculator](https://www.zero.xyz/c/finmath-uniswap-v3-token-amounts-calculator-928d6c06/llms.txt): $0.002/call via x402. Calculates the token amounts (amount0 and amount1) held in a Uniswap v3 liquidity position given current price, liquidity, and the position's price range.
- [finmath Sortino Ratio Calculator](https://www.zero.xyz/c/finmath-sortino-ratio-calculator-c580cec6/llms.txt): $0.002/call via x402. Computes the Sortino ratio from a series of periodic returns, annualizing downside risk relative to a target return.
- [finmath Max Drawdown Calculator](https://www.zero.xyz/c/finmath-max-drawdown-calculator-9984a9bd/llms.txt): $0.002/call via x402. Computes the maximum drawdown of a time series of portfolio or asset values
- [finmath Future Value Calculator](https://www.zero.xyz/c/finmath-future-value-calculator-57322a33/llms.txt): $0.001/call via x402. Computes the future value of a present amount given a periodic interest rate and number of compounding periods
- [finmath Loan Amortization](https://www.zero.xyz/c/finmath-loan-amortization-4fa0a203/llms.txt): $0.003/call via x402. Computes a full loan amortization schedule given principal, annual interest rate, and loan term in months
- [finmath Future Value of Annuity](https://www.zero.xyz/c/finmath-future-value-of-annuity-c9965998/llms.txt): $0.001/call via x402. Calculates the future value of an ordinary annuity or annuity-due given a periodic payment, number of periods, and interest rate per period.
- [finmath Implied Volatility Calculator](https://www.zero.xyz/c/finmath-implied-volatility-calculator-165ae011/llms.txt): $0.003/call via x402. Computes implied volatility from an observed option price using a numerical inversion of the Black-Scholes model
- [finmath Staking Yield Calculator](https://www.zero.xyz/c/finmath-staking-yield-calculator-85bc404e/llms.txt): $0.001/call via x402. Calculates compound interest and staking yield for a given principal, APR, compounding frequency, and time period
- [finmath Perpetual Futures Liquidation Price Calculator](https://www.zero.xyz/c/finmath-perpetual-futures-liquidation-price-calculator-572c41a0/llms.txt): $0.002/call via x402. Calculates the liquidation price for a perpetual futures (perp) position given side, leverage, entry price, and optional maintenance margin rate
- [finmath ETH Unit Converter](https://www.zero.xyz/c/finmath-eth-unit-converter-33aef341/llms.txt): $0.001/call via x402. Converts Ethereum amounts between denominations (e.g., wei, gwei, ether) with exact, deterministic arithmetic
- [finmath IRR Calculator](https://www.zero.xyz/c/finmath-irr-calculator-00e5b81c/llms.txt): $0.001/call via x402. Computes the Internal Rate of Return (IRR) for a series of cash flows with deterministic, exact arithmetic
- [finmath Annualized Basis Calculator](https://www.zero.xyz/c/finmath-annualized-basis-calculator-ffc4d915/llms.txt): $0.001/call via x402. Computes the annualized basis (carry) between a spot price and a futures price given days to expiry, expressed as an annualized percentage rate.
- [finmath Position Size Calculator](https://www.zero.xyz/c/finmath-position-size-calculator-4f8e13be/llms.txt): $0.002/call via x402. Calculates optimal position size for a trade given account equity, entry price, stop price, and risk fraction using exact arithmetic
- [finmath APR to APY Converter](https://www.zero.xyz/c/finmath-apr-to-apy-converter-e1a92a93/llms.txt): $0.001/call via x402. Converts an Annual Percentage Rate (APR) to Annual Percentage Yield (APY) given a compounding frequency, using exact arithmetic.
- [finmath Bond Price Calculator](https://www.zero.xyz/c/finmath-bond-price-calculator-8afc0085/llms.txt): $0.002/call via x402. Computes the fair price of a fixed-coupon bond given face value, coupon rate, yield, maturity, and payment frequency using exact deterministic arithmetic.
- [finmath LP Value vs HODL](https://www.zero.xyz/c/finmath-lp-value-vs-hodl-514d6171/llms.txt): $0.002/call via x402. Calculates the impermanent loss and LP position value compared to simply holding the tokens, given a price ratio and initial position value.
- [finmath ETH Address Validate](https://www.zero.xyz/c/finmath-eth-address-validate-3c7e5ead/llms.txt): $0.001/call via x402. Validates whether a given string is a well-formed Ethereum address
- [finmath Present Value Calculator](https://www.zero.xyz/c/finmath-present-value-calculator-215f5735/llms.txt): $0.001/call via x402. Computes the present value (PV) of a future amount given a number of periods and a per-period discount rate
- [finmath Sharpe Ratio Calculator](https://www.zero.xyz/c/finmath-sharpe-ratio-calculator-6ce47c61/llms.txt): $0.002/call via x402. Computes the Sharpe ratio (risk-adjusted return) by comparing asset returns against benchmark returns using exact deterministic arithmetic.
- [finmath Keccak256 Hash](https://www.zero.xyz/c/finmath-keccak256-hash-ae210268/llms.txt): $0.001/call via x402. Computes the Keccak-256 cryptographic hash of an input string, as used in Ethereum and other EVM-compatible blockchains.
- [finmath Timestamp Convert](https://www.zero.xyz/c/finmath-timestamp-convert-9d0c9d68/llms.txt): $0.001/call via x402. Converts a timestamp value to a different format or unit (e.g. Unix epoch to ISO 8601, milliseconds to seconds)
- [finmath Luhn Check](https://www.zero.xyz/c/finmath-luhn-check-9241ad94/llms.txt): $0.001/call via x402. Validates a number using the Luhn algorithm (checksum verification for credit card and ID numbers)
- [finmath Hex Converter](https://www.zero.xyz/c/finmath-hex-converter-01b64bb5/llms.txt): $0.001/call via x402. Converts hexadecimal values to/from other formats (decimal, binary, etc.) with exact, deterministic arithmetic
- [finmath Base58 Encode/Decode](https://www.zero.xyz/c/finmath-base58-encode-decode-c7305ec6/llms.txt): $0.001/call via x402. Encodes or decodes data using Base58 encoding, typically for crypto address/key formatting, as part of a deterministic finance and crypto math computation service.
- [finmath CSV to JSON Converter](https://www.zero.xyz/c/finmath-csv-to-json-converter-3daada87/llms.txt): $0.001/call via x402. Converts a CSV string into a structured JSON array, with optional header row handling, as part of a deterministic finance math service.
- [finmath JSON to CSV Converter](https://www.zero.xyz/c/finmath-json-to-csv-converter-ebe6974a/llms.txt): $0.001/call via x402. Converts a JSON string into CSV format, as part of the finmath deterministic finance/crypto math service.
- [finmath JWT Decode](https://www.zero.xyz/c/finmath-jwt-decode-9b198127/llms.txt): $0.001/call via x402. Decodes and inspects a JWT token, returning its parsed claims and metadata
- [finmath SHA-512 Hash](https://www.zero.xyz/c/finmath-sha-512-hash-80042f08/llms.txt): $0.001/call via x402. Computes the SHA-512 cryptographic hash of a given input string
- [finmath PII Redact](https://www.zero.xyz/c/finmath-pii-redact-4dafce25/llms.txt): $0.002/call via x402. Redacts personally identifiable information (PII) from text input, returning a sanitized version with sensitive data removed or masked.
- [finmath HMAC-SHA256](https://www.zero.xyz/c/finmath-hmac-sha256-5501ee35/llms.txt): $0.001/call via x402. Computes an HMAC-SHA256 message authentication code given a key and message string
- [finmath Slugify](https://www.zero.xyz/c/finmath-slugify-6c3c8831/llms.txt): $0.001/call via x402. Converts an arbitrary text string into a URL-safe slug using deterministic string transformation
- [finmath Text Stats](https://www.zero.xyz/c/finmath-text-stats-d0710ba2/llms.txt): $0.001/call via x402. Computes text statistics for a given string using the finmath deterministic computation service
- [finmath SHA1 Hash Endpoint](https://www.zero.xyz/c/finmath-sha1-hash-endpoint-8d8eda24/llms.txt): $0.001/call via x402. Computes a SHA1 hash of a given input string, part of the finmath deterministic finance and crypto math microservice suite.
- [finmath Random Token Generator](https://www.zero.xyz/c/finmath-random-token-generator-d1d61b1e/llms.txt): $0.001/call via x402. Generates a random token string with configurable format and length, served as part of the finmath financial computation API
- [finmath SHA-256 Hash Endpoint](https://www.zero.xyz/c/finmath-sha-256-hash-endpoint-8ce7e1b3/llms.txt): $0.001/call via x402. Computes the SHA-256 cryptographic hash of a given input string, returning a deterministic hex digest.
- [finmath Password Strength Checker](https://www.zero.xyz/c/finmath-password-strength-checker-2d58b733/llms.txt): $0.001/call via x402. Evaluates the strength of a given password string and returns a strength assessment result

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

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