# Services from finance.payapi.market on Zero

> finance.payapi.market serves 4 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/finance.payapi.market
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/finance.payapi.market/health.json

## Services

- [UK Mortgage Payment Calculator](https://www.zero.xyz/c/uk-mortgage-payment-calculator-38d41823/llms.txt): $0.001/call via x402. Calculates monthly mortgage payments, total interest, and LTV ratio for UK properties under repayment or interest-only terms.
- [UK CPI Inflation History (Bank of England / ONS)](https://www.zero.xyz/c/uk-cpi-inflation-history-bank-of-england-ons-e63e33cf/llms.txt): $0.001/call via x402. Returns UK Consumer Price Index (CPI) inflation history including the current annual rate, sourced from the Bank of England and ONS.
- [finance.payapi.market Exchange Rates](https://www.zero.xyz/c/finance-payapi-market-exchange-rates-79816a37/llms.txt): $0.001/call via x402. Returns current foreign-exchange rates from the European Central Bank for a specified base currency against one or more target currencies.
- [Bank of England Base Rate History](https://www.zero.xyz/c/finance-payapi-market-31b70cd2/llms.txt): $0.001/call via x402. Returns the Bank of England base interest rate history as a time series, including the current rate, for up to 120 months.

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

- [Zero catalog index](https://www.zero.xyz/llms.txt)