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Use to discover the point-in-time archive: immutable daily snapshots of ephemeral market state (Hyperliquid perps/spot, JLP pool, pre-IPO marks, market regime, squeeze scores), captured once per UTC day and never overwritten or backfilled. Lists every feed and entity with date coverage; read days via /archive/{feed} and series via /archive/{feed}/range. From x402stock

Hyperliquid funding rate extremes: live perpetual funding APR outliers and which side collects. Use for funding-rate and carry trade signals.

Cross-venue funding spreads: Hyperliquid vs Bitget funding rate differences and suggested legs. Use for funding-spread arbitrage scans.

Proposed/final rules and notices from a federal agency — the regulatory pipeline that reprices sectors. Pass `?agency=securities-and-exchange-commission` (slug) and/or `?q=` (at least one), plus `?type=all|rule|proposed|notice` and `?limit=` (max 100). Each doc has number, type, title, abstract, dates, agencies, and a link. From x402stock, a market & economic data API (x402, USDC).

US M2 money stock, monthly, in billions of dollars (seasonally adjusted), with the latest value, prior month, month-over-month and year-over-year change, and recent history. No ticker needed. A liquidity gauge watched for inflation and risk-asset context. Sourced from the St. Louis Fed (FRED). From x402stock, a pay-per-call market & economic data API. Pay per request in USDC via x402, no API key.

Returns a list of the top free games currently available on the Google Play Store.

Retrieves a list of the highest-grossing games currently available on the Google Play Store.

Returns a list of the top-paid applications currently available on the Google Play Store.

Returns a list of the top free applications currently available on the Google Play Store.

Retrieves user reviews for applications available on the Google Play Store.

Returns salary data for jobs at specified companies.

Returns a list of the top paid games currently available on the Google Play Store.

Returns a list of app categories available on the mobile app store.

Returns salary information and compensation data for job positions.

Returns a list of the top-grossing apps currently available on the Google Play Store.

Reference list of security type codes used in ticker reference data (e.g. CS = Common Stock, ETF, PFD, WARRANT) with descriptions. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

Market-wide split calendar across all US tickers (no ticker needed). Each row has the ticker, execution date, direction (`forward`/`reverse`), split_from/split_to, numeric `ratio`, and a human `ratio_text` like `10:1` or `1:8`. Future-dated announced splits sort first. Filter `?type=forward|reverse|all`, `?from=`/`?to=` date window, `?order=`, `?limit=`. From x402stock

What tickers 4chan's finance board (/biz/) is buzzing about most over the last 24h, ranked by mention volume. Each ticker carries its mention count and 24h change in rank and mentions (4chan has no upvotes, so upvotes is always 0). No ticker needed; ?page= to paginate (100 per page). A raw read of /biz/ chatter, separate from the Reddit feed. From x402stock

The total US public debt outstanding to the penny — the headline national-debt figure — split into debt held by the public and intragovernmental holdings, with the latest value, prior business day, day-over-day change, and recent history. No ticker needed. Updates each business day. Sourced from the US Treasury (FiscalData). Pass `?limit=` for more history (default 30, max 250). From x402stock

FDA catalysts for a pharma/biotech/medtech company, from openFDA. Pass `?company=Medtronic` (required) plus `?limit=` (max 50). Returns `drug` (recalls + approvals) and `device` (510(k) clearances, PMA approvals, recalls) sections, each with recent items, match totals, and official FDA links. One call across 5 FDA datasets. From x402stock, a market & economic data API (x402, USDC).

Curated shelf: Families -- Fiction — 257 public-domain books including The porcelain mask : $b A detective story, The Corbin necklace, Glory of Youth. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: Dime novels — 277 public-domain books including Only a girl's love, The Mystery of a Turkish Bath, Addie's Husband; or, Through clouds to sunshine. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: BT — 193 public-domain books including The Parables of Our Lord, The Ordinance of Covenanting, A Theodicy, or, Vindication of the Divine Glory. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

The daily US Treasury par yield curve (Constant Maturity Treasury rates) for every maturity from 1 month to 30 years, in percent. Defaults to the latest published day; pass `?limit=` for more recent days (max 250) and `?year=YYYY`. No ticker needed. Use for the risk-free rate, rate-sensitivity context, and yield-curve inversion in macro-aware analysis. From x402stock