Function marketplace for AI agents. Browse economic data, computed signals, and deterministic functions across 12 categories. Pay per call in USDC on Base via x402. No API keys, no subscriptions. Search the catalog free at /discover/search, inspect before buying at /discover/{listing_id}, pay only to query.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://stationfx.com/query/:id' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://stationfx.com/query/:id'
Endpoint: https://stationfx.com/query/:id. Operated by stationfx.com, not by Animica. Price and availability were correct at the last probe on 2026-10-01 and are set by the operator, who may change them.
Yield spread between investment-grade corporate bonds and equivalent Treasuries. Measures credit risk premium demanded by investors in high-quality corporate de…
Yield spread between high-yield (junk) bonds and equivalent Treasuries. The premier measure of credit stress and risk appetite in lower-quality debt. Spikes sha…
Spread between 10-year and 2-year Treasury yields. The most widely watched yield curve indicator — inversion has preceded every U.S. recession since 1955 with a…
High-yield OAS minus investment-grade OAS — isolates the incremental risk premium for lower-quality credit. Widens when credit stress is concentrated in weaker …
Average of Chicago Fed NFCI and St. Louis Fed Financial Stress Index, normalized to a common scale. Positive = tighter/more stressed than average, negative = lo…
JOLTS job openings divided by BLS unemployed persons count. Above 1.0 means more open jobs than unemployed workers — historically tight labor market. Below 1.0 …
30-year fixed mortgage rate minus 10-year Treasury yield. Measures the premium mortgage lenders charge above the risk-free benchmark. Normal range 150-200bps; e…
10-year Treasury yield minus 10-year breakeven inflation rate. Represents the real return demanded for long-dated government bonds. Negative real yields histori…
Federal funds effective rate minus CPI YoY inflation. Measures whether monetary policy is restrictive or accommodative in real terms. Negative real rates = loos…
CBOE measure of expected 30-day volatility in the S&P 500, derived from options prices. The market's fear gauge. Spikes during crises and risk-off events. Use f…
Chicago Fed composite index of 105 financial indicators covering money markets, debt, equity, and banking. Positive = tighter than average conditions, negative …
St. Louis Fed composite stress index measuring strain in U.S. financial markets. Constructed from 18 weekly data series including rates, spreads, and equity mea…