Other

Psychrometric calculator for HVAC engineering: from any two of dry bulb, wet bulb, dew point, RH, humidity ratio, enthalpy or grains, the full moist-air state (plus specific volume, density, vapor pressure) at any elevation, IP or SI. ASHRAE Fundamentals 2021 equations, cross-checked against PsychroLib. Shows every step with the numbers and ASHRAE references. $0.002 USDC per call.

+3 more from Agent Utility Suite

Detect the language of a text (80+ languages) with ISO 639-1 and 639-3 codes, confidence, a reliability flag and the top candidates. Runs locally, nothing is stored. Params: text (required, up to 20,000 characters), top (number of candidates, default 3).

League table and standings for a major sports league, normalized to one cited JSON. Give a league such as mlb, nhl, nfl, nba or epl and get each team with wins, losses, win percentage or points, games behind, streak and its division or conference group. Sourced from official league APIs and ESPN.

Live and recent game scores for a major sports league, normalized to one cited JSON. Give a league such as mlb, nhl, nfl, nba or epl and get each game with both teams, the score, the game state, the period or inning and the start time. Sourced from official league APIs and ESPN, each record tagged with its source.

Header + summary for a polygon block by number (or "latest"): hash, timestamp, tx count, gas used and base fee.

+1 more from 47620 Polygon Data API

Recurring public "State of OT Threat Intel — GCC" sitrep, human-reviewed before publish, sourced from the same intel.db pipeline as /ot/sitrep. Pass optional issue_date (YYYY-MM-DD) for a past edition; omit for the latest reviewed edition.

+2 more from ot-intel-api.onrender.com

Only the econ observations printed or revised changed since your cursor (delta o — Keyset delta of /v1/econ/dashboard: pass since=<next_cursor from your last call> and get only the econ observations printed or revised added or changed after it, plus changed_count and a new next_cursor. Omit since once to bootstrap. Cursors are stable across restarts. Poll the free sibling…

+9 more from x402-factory

Generate a solid-color placeholder image with optional centered text (no input image needed).

+1 more from Placeholder Image

AI-generated standard research report (Open Research Agent)

Cited answer (RAG): a natural-language question is answered by searching the public web, reading the top pages and synthesizing a grounded answer with a list of source URLs. Answer cites only the retrieved sources (anti-hallucination).

Compares two submitted sample sets feature by feature and returns deterministic drift metrics. Continuous features are binned on the combined value range and receive PSI, Jensen-Shannon divergence and a Kolmogorov-Smirnov statistic; categorical features receive PSI and Jensen-Shannon divergence over exact category labels. The response names every feature, its sample counts, the metric values, the threshold used, and the reason a feature was flagged.

Send a question about longevity, aging, or lifespan science. Returns a request ID to poll for the AI-generated answer from Aubrai, VitaDAO's decentralized co-scientist.

A bounded head of ONE table in a Form 13F data set, read with two byte-range requests against sec.gov (the archive's central directory plus the first 256 KB of the chosen table) so the multi-hundred-MB zip is never downloaded. Returns the archive's members with sizes, the table's columns and its first rows (1-200, default 25) as objects: SUMMARYPAGE (per filing: holdings count, total value, confidential-omission flag), SUBMISSION (accession, filer CIK, period, form), COVERPAGE (manager name and.

Authorization Scheme Identify: identifies an Authorization scheme without exposing or validating credentials using only bounded caller-supplied values. Call when you need a bounded authorization scheme identify result before accepting, caching, redirecting, or retrying a caller-supplied web response. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for Authorization Scheme Identify as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base…

Deduplicate a list preserving order. Call when you unique agent keys without sorting. Returns unique items and count for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.

A satledger workspace and the units of recording you pay for, from 0.50 upward. One unit is one recorded event; an anchor costs 100. Exports and reads are free. Returns an API key on payment.

+1 more from api.satledger.org

Get normalized sports schedules, live or recent scores, matchup status, teams, venue and a concise game brief for NBA, NFL, MLB and English Premier League (EPL). Filter by league, date and optional team name or abbreviation. Use for NBA scores, NFL games, MLB scores, EPL fixtures, today's games, schedules and AI sports research.

Embeds one query and up to 64 candidates locally, then returns cosine scores and stable descending ranks.

Latest TAO network-wide fundamentals: total issuance, total stake, free float, supply percentage mined, stake ratio. Snapshot every 10 min.

+11 more from api.carbon-cashmere.de

Use before paying any x402 endpoint, so you don't pay a dead or mispriced one: checks it is alive, correctly payment-gated, its price/network/asset, latency, and whether it fits your max_price_usd. Sends one unpaid request, never pays. ~9% of paid listings we scanned were dead. Errors (never charged): 400 bad input, 422 source could not be fetched or parsed, 429 rate limited (30/min), 502 upstream failed.

VAT calculation for EU/UK countries

+6 more from api.aurenic.org

Freshness and readiness of the current DeltaSignal slice.

JSON repair for AI agents - fix malformed JSON and return structured output.

Interplanetary magnetic field at L1 from NOAA SWPC: total field Bt and north-south Bz in nT with timestamp. Southward Bz is the key storm predictor. No parameters. Keyless.

+12 more from proxy.suverse.io

Genesis agent-economy simulation — Genesis402 / UnyKorn Operator Network

Hyperliquid execution quality measured on our own orders: slippage vs mid (p50/p90 bps), taker fee actually paid, wall-clock to fill, fill rate — for perps and xyz tokenized equities — plus a liquidity snapshot (spread, round-trip cost, depth within 1%, funding APR) for the 25 deepest assets. Thousands of real IOC fills, refreshed continuously.

+1 more from vaunt-dispatch-production.up.railway.app

Computes a transparent planning estimate for space-heating demand. The method is not DIN, VDI, GEG or PHPP and must not be used as regulatory proof. It combines transmission heat loss from each envelope component, ventilation heat loss from heated volume and air changes, monthly heating degree days from the nearest DWD 1991-2020 temperature-normal station, stated internal gains and optional domestic hot water.

+2 more from solar.halowerk.com

Returns the full version history of a package from a single normalised schema that covers seven ecosystems. Versions are ordered by semantic version, not alphabetically and not in registry order, so 1.10.0 sorts after 1.9.0 — the mistake that quietly breaks naive comparisons. For each version you get the publication timestamp, whether it is the registry default, whether it is deprecated and the deprecation reason as the registry states it.

+4 more from api.zerion.io

Returns personalized greeting - UPDATED SCHEMA v2

+1 more from hello-world-x402.vercel.app