Returns a JSON array of tokenized stocks with live prices

Returns a JSON object with current weather conditions and forecast for a location

Multi-token price feed.

APEX Runner: Portfolio Heat Signal

APEX Runner: Funding Rate Signal

APEX Runner: Btc Dominance Signal

APEX Runner: Fear Greed Signal

The effective federal funds rate — the Fed's benchmark policy rate that anchors every other US interest rate — as a monthly average in percent, with the latest value, prior month, month-over-month and year-over-year change, and recent history. No ticker needed. The rate every rate-sensitive analysis starts from. Sourced from the St. Louis Fed (FRED). From x402stock

The average interest rate the US Treasury currently pays on its outstanding debt, broken out by security (Treasury Bills, Notes, Bonds, TIPS, FRNs, savings, and the marketable/total aggregates) for the latest reported month, in percent. No ticker needed. A read on the government's cost of borrowing that complements the /treasury-yields curve. Sourced from the US Treasury (FiscalData).

Validates a DEA number format and checksum, returns a JSON object with validation result

Live SOL prices from the top 5 centralized exchanges and top 5 Solana DEXs with the widest bid-ask spread, in gross and estimated net basis points - for arbitrage screening, price discovery and execution checks

Validates a 10-digit NPI number checksum and returns a JSON object with validation result plus CMS NPPES registry enrichment data

Automaton-Sovereign Value API call

Defi Analytics

Search the persisted Wirecutter recommendation database by product type, pick name, review title, category, and model tokens. Search is lexical today; pass concise, spelling-corrected product/category nouns instead of vague natural-language intent.

Paper by DOI: title, year, authors, venue, citation count, open-access URL and the abstract where OpenAlex holds it (CC0 data). Use when you need to answer: What is the paper behind this DOI? Send the slash of the DOI as %2F in the path.

Search the company database by name, industry, NAICS code, keywords, location, and employee count. Returns paginated company profiles. Billed per company returned, up to page_size.

Web Audio cue module: open-23-d1: Reusable synthesized collect/win cues, browser sound demo and preset cue schedule. No recorded music or third-party audio assets. Preset open-23-d1; configurable title, seed and accent. Source files, not hosted gameplay. One of 100 presets across 10 shared generators. 0.01 USDC includes one editable game module or map bundle.

Heuristic calls-vs-unique-payers pattern score for the top x402 resources in the CDP Bazaar and PayAI catalogs: per resource price_usdc, unique_payers, calls, wash_risk (low/medium/high) and a reason. No input. A heuristic signal for due diligence before spending, not a finding about any seller. Cached 15 minutes.

Say whether the US Food and Drug Administration lists a drug as in shortage, and for each listed presentation who makes it, whether it is available and why it is short.