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Endpoints (362 live)

• GET /social/sentiment — Composite bull/bear sentiment for a crypto ticker or topic, fused across three ToS-clean sources: Farcaster cast sentiment (open-protocol hub), our crypto-news + Fear&Greed composite, and GDELT world-tone. Returns a normalized score, a per-source breakdown, 24h/7d deltas and a confidence (how much data is under the signal) — so you see which source drives it and how thin the signal is. (0.012 USDC on Base)
• GET /crime/incidents — Recent incident density for a supported US city from its open-data portal. Give a city slug and an optional look-back window in days and get aggregated counts of reported incidents by offense category, a fresher signal than the lagged federal data. Counts by type, not a per-incident dump. (0.02 USDC on Base)
• GET /btc/block — Bitcoin block metadata by height or hash (or the chain tip when neither is given), fused with the current difficulty-adjustment context, a computed halving countdown and a network hashrate snapshot. Informational, not advice. (0.008 USDC on Base)
• GET /energy/renewables — Renewable share of US electricity generation from the EIA grid monitor: solar, wind, hydro and geothermal as a percentage of the latest hourly generation total, by grid region. Source: U.S. Energy Information Administration. (0.008 USDC on Base)
• GET /forecast — Official US weather forecast from the National Weather Service (NOAA): multi-day and hourly periods for any US coordinates or street address. Temperature in Celsius and Fahrenheit, precipitation probability, wind speed and direction, and plain-language conditions. Authoritative government public-domain data, commercial use OK. (0.003 USDC on Base)
• GET /crypto/convert — Convert token units (wei/gwei/ether or arbitrary decimals), between hex and int, and compute/validate an EIP-55 checksummed address. (0.001 USDC on Base)
• GET /realestate/prices — The FHFA House Price Index for a geography: the current index level plus year over year, quarter over quarter and five year growth, with momentum flags and a short history. State and metro CBSA levels are covered directly; county and ZIP resolve to the state level index. Public domain, US only. (0.015 USDC on Base)
• GET /attention/pageviews — Wikipedia-readership attention index for a word/entity: resolves the word to an article (disambiguated by real traffic), then returns a 0-100 index, WoW/MoM deltas, a trend and datestamped spikes from daily pageviews. One pageviews call (+ resolution). A curiosity/readership index — not Google Trends. (0.015 USDC on Base)
• POST /sql/check — Safety and performance preflight for a database query BEFORE you run it. Send the query for Postgres, MySQL or SQLite and get a pass, caution or block verdict with per-finding operation, severity, plain-language reason and a fix. Query-safety indicators, not a guarantee. (0.02 USDC on Base)
• GET /scholar/author — Disambiguate a researcher and return their profile: works count, citation count, h-index, institutions with ROR, top concepts and top works. Give an orcid for a resolved profile, or a name for ranked candidates. Distinct people are never merged. (0.015 USDC on Base)
• GET /derivs/basis — Perpetual basis for an asset: the mark-versus-oracle premium on venues that publish a native mark price (Hyperliquid), in basis points, with a naive annualized carry proxy. Shows how far the perpetual trades from the underlying oracle — a froth and leverage-cost signal. (0.008 USDC on Base)
• GET /crypto/sentiment-ctl — Composite crypto market sentiment: the Fear & Greed index (value, classification, trend) blended with aggregated news-headline sentiment into one bullish/bearish/neutral score, optionally focused on a coin or query. Data by alternative.me (attributed) + curated RSS headlines. (0.003 USDC on Base)
• GET /crypto/sentiment-dsc — Crypto Fear & Greed Index: the market Fear & Greed value, classification and trend, blended with aggregated crypto news-headline sentiment into one bullish/bearish/neutral score, optionally focused on a coin or query. Data by alternative.me (attributed) + curated RSS headlines. (0.003 USDC on Base)
• GET /crypto/sentiment-tag — Composite crypto market sentiment: the Fear & Greed index (value, classification, trend) blended with aggregated news-headline sentiment into one bullish/bearish/neutral score, optionally focused on a coin or query. Data by alternative.me (attributed) + curated RSS headlines. (0.003 USDC on Base)
• GET /edgar/ratios — Key financial ratios computed from SEC EDGAR XBRL: margins, liquidity, leverage and growth. Give a ticker or CIK and get ratios over recent periods, each computed number citing the source facts it was derived from, plus restatement flags and simple anomaly flags. (0.02 USDC on Base)
• GET /cve/scan — Vulnerability scan for a software package by ecosystem, name and version, or by package-URL (purl). Queries OSV.dev for known advisories, collects their CVE ids and enriches them with NVD CVSS, CISA KEV and EPSS, then returns a prioritized list of advisories with exact fixed versions. Risk indicators, not advice. (0.02 USDC on Base)
• GET /drug/profile — Clinical safety profile for a drug by brand, generic or active-ingredient name or NDC. Fuses FDA identity and approval status, key label sections, an adverse-event summary and a deterministic severity indicator into one cited JSON. Informational, not medical advice. (0.04 USDC on Base)
• GET /insider/trades — Normalized corporate-insider transactions from SEC Form 3, 4 and 5 filings. Give a ticker or issuer CIK and get each director, officer and 10-percent-owner transaction: transaction code, security, shares, price per share, value, acquired or disposed, direct or indirect holding, the insider role, and the disclosure lag, every record cited to its accession and form4.xml URL. (0.02 USDC on Base)
• GET /fda/inspections — FDA inspection history for a manufacturer from public FDA records. Give an FDA FEI number or firm name and get the inspection classifications (Official, Voluntary or No Action Indicated) with the trend, plus the Form-483 observation citations with their cited CFR clause and short description. Deterministic, no LLM. Risk indicators, not legal or regulatory advice. (0.02 USDC on Base)
• GET /travel/entry — International entry requirements for a passport and destination pair. Fuses the community visa requirement, a passport-validity rule, the US State Dept travel advisory level and summary, and current CDC travel-health notices into one cited JSON with derived documents and notes. Informational, not immigration advice. (0.03 USDC on Base)

+342 more endpoints.