AsterPay

KYA trust score 0-100 with tier and sanctions status (free quota per IP per day, then paid)

Lock a USDC to EUR settlement quote. Returns a signed quote_id, locked EUR rate, fees and SEPA delivery. The only x402 endpoint that locks a EUR fiat settlement quote.

Agent-readiness scan of any public website: scores 0-100 on MCP server, /.well-known/agent.json, llms.txt, OpenAPI validity, JSON-LD catalog and x402/MPP payability. Same published methodology as the asterpay.io checker. Paid via x402.

Deep KYA Trust Score analysis for any AI agent or wallet. Returns 7-component trust score (0-100), risk tier, sanctions status, ERC-8004 identity, InsumerAPI attestations, and payment eligibility. The most comprehensive agent trust check available.

Get real-time cryptocurrency price data for any token

Get OHLCV candlestick data for charting and analysis

Get currently trending cryptocurrency tokens

Summarize any text using AI. Returns a concise summary.

Analyze sentiment of text. Returns positive/negative/neutral score.

Translate text to any language using AI

AI-powered code review. Returns bugs, improvements, and security issues.

Get reputation score for any blockchain wallet address

Security analysis for any ERC-20 token contract

Get recent large cryptocurrency movements (whale alerts)

Batch KYA trust scores (free quota per IP per day, then paid)

ERC-8004 agent identity verification (free quota per IP per day, then paid)

KYA trust tier and per-transaction limit (free quota per IP per day, then paid)

Batch KYA Trust Score analysis for up to 50 AI agent or wallet addresses in one call. Returns a per-address 7-component trust score (0-100), risk tier, and sanctions status.

Aggregated crypto price feed — top tokens (BTC, ETH, SOL) + stablecoins (USDC, EURC). Paid via x402.

AI-powered sentiment analysis. Send text, get sentiment score + emotions. Paid via x402.

AI sentiment analysis (GET alias with ?text= query). Paid via x402.

Source-bounded fact-check. Verify a claim against provided source text. Returns verdict: supported, contradicted, or unverifiable. Does NOT search the web.

Deep fact-check with claim decomposition. Breaks compound claims into sub-claims (max 5), verifies each against source. Deterministic overall verdict.

Quick KYA Trust Score for any AI agent wallet. Returns score (0-100), tier, and sanctions status. Paid via x402 USDC.

Get real-time USDC to EUR settlement estimate. Returns exchange rate, EUR amount, fees, and estimated SEPA delivery time. The only x402 endpoint offering EUR fiat settlement.

USDC to EUR settlement estimate with fees (free quota per IP per day, then paid)

Trigger settlement on a Collect payment session (clinical-trial flow)

ECB euro reference rates, 30 currencies. Daily euro foreign exchange reference rates published by the European Central Bank around 16:00 CET. Base EUR. Not a live market feed: one fixing per business day. Source: European Central Bank. Cadence: daily.

FX cross rate from ECB fixings. Cross rate between two ISO currencies derived from the daily ECB euro reference fixing (e.g. USD/JPY = EURJPY / EURUSD). Same fixing time as /v1/data/fx/ecb. Source: European Central Bank. Cadence: daily.

Brent and WTI spot price (EIA). Daily spot prices for Brent (Europe) and WTI (Cushing, OK) crude in USD per barrel, as published by the US EIA with about one business day lag. Not an exchange tick feed. Source: U.S. Energy Information Administration. Cadence: daily.

Henry Hub natural gas spot (EIA). Daily Henry Hub natural gas spot price in USD per million Btu from the US EIA. Source: U.S. Energy Information Administration. Cadence: daily.

US grid demand and generation mix, hourly (EIA). Latest hourly electricity demand, net generation and generation by fuel type for the US Lower 48 from the EIA Hourly Electric Grid Monitor. Source: U.S. Energy Information Administration. Cadence: hourly.

US crude oil imports by origin country, latest month (EIA-814). Total US crude imports for the latest reported month with the top 15 origin countries, share and grade mix, in thousand barrels and million barrels per day. Published about one month after the reference month. Source: U.S. Energy Information Administration (EIA-814). Cadence: monthly.

US nuclear reactor outages today (NRC via EIA). US nuclear fleet capacity, megawatts offline and percent outage for the latest day, every reactor currently in outage (planned refuelling included) and the 30-day fleet trend. Source: U.S. Energy Information Administration / Nuclear Regulatory Commission. Cadence: daily.

EIA 18-month forecast: Brent, WTI, Henry Hub, gasoline, US and world oil. EIA Short-Term Energy Outlook headline series: latest actual and the next 18 monthly projections for Brent and WTI spot, Henry Hub gas, US regular gasoline, US crude production and world liquid fuels supply and demand. Projections, not observations, beyond the current month. Source: U.S. Energy Information Administration (STEO). Cadence: monthly.

US total energy: production, consumption, trade and CO2 (Monthly Energy Review). Latest monthly US primary energy production, consumption, imports, exports (trillion Btu) and energy-related CO2 emissions (million metric tons), each with the year-ago value and change. Source: U.S. Energy Information Administration (MER). Cadence: monthly.

US retail electricity price, sales and customers by state and sector. Average retail electricity price (cents/kWh), sales, customers and revenue for residential, commercial, industrial, transportation and all sectors in one US state (or US total), latest month with year-ago comparison. Source: U.S. Energy Information Administration (EIA-861M). Cadence: monthly.

US national debt to the penny (Treasury). Total public debt outstanding, debt held by the public and intragovernmental holdings from the US Treasury "Debt to the Penny" dataset, plus the change since the previous record. Source: U.S. Treasury Fiscal Data. Cadence: daily.

Consumer price inflation, US (BLS) or EU (Eurostat HICP). Latest headline inflation: region "us" returns CPI-U index with year-on-year and month-on-month change (BLS); "eu" returns euro-area HICP annual rate (Eurostat); a two-letter EU country code returns that country's HICP annual rate. Source: BLS / Eurostat. Cadence: monthly.

Policy rates and US yield curve (Fed, ECB, Treasury). Effective fed funds rate and target range (NY Fed), ECB deposit facility rate, US Treasury 3m/2y/10y/30y par yields with the 2s10s spread and an inversion flag. Source: NY Fed / ECB / U.S. Treasury. Cadence: daily.

US recession signals: Sahm rule and prediction markets. Sahm rule value computed from BLS unemployment (triggered at 0.50 pp) plus the most traded open recession markets on Polymarket with their current Yes probability. Source: BLS / Polymarket. Cadence: monthly.

US bank failures, year to date (FDIC). Count of FDIC-insured bank failures this year and last, with the latest ten failures, assets and deposits. Source: FDIC BankFind. Cadence: weekly.

Stablecoin supply by issuer, USD and EUR pegged. Total circulating USD- and EUR-pegged stablecoin supply and the top issuers with 7-day change, aggregated across chains. Source: DefiLlama. Cadence: 15m.

Stablecoin peg deviations. Every USD/EUR stablecoin above $50M supply with its aggregate price and deviation from peg in basis points; depegs over 50 bp listed first. Source: DefiLlama. Cadence: 5m.

Crypto Fear and Greed index. Current Crypto Fear and Greed index (0 extreme fear to 100 extreme greed) with classification and the last seven days. Source: alternative.me. Cadence: daily.

DeFi hacks and exploits, last 30 days and YTD. Count and USD value of DeFi hacks in the last 30 days and year to date, with the fifteen most recent incidents, chain and technique. Source: DefiLlama. Cadence: daily.

Critical CVEs published in the last 24 hours (NVD). CVEs with CVSS v3 severity CRITICAL published in the last 24 hours, with score, vector and description. Source: NIST National Vulnerability Database. Cadence: hourly.

CISA Known Exploited Vulnerabilities, latest additions. Size of the CISA KEV catalog, additions in the last seven days and the twenty most recently added actively exploited vulnerabilities with due dates and ransomware use. Source: CISA. Cadence: daily.

Ransomware victims posted on leak sites. Most recent victims claimed on ransomware leak sites, with group, country and sector, the 24-hour count and the most active groups. Source: ransomware.live. Cadence: hourly.

EU VAT number validation (VIES). Validates an EU VAT identification number against the European Commission VIES service and returns the registered name and address where the member state publishes them. Source: European Commission VIES. Cadence: live.

Asteroid close approaches next 7 days and Sentry impact risk. Near-Earth objects approaching within the next seven days (closest five, hazardous count) from NASA NeoWs, plus the top of the JPL Sentry impact-risk table. Source: NASA NeoWs / JPL Sentry. Cadence: daily.

Geomagnetic storm level and space weather alerts (NOAA). Current planetary Kp index and NOAA G-scale storm level, the last 24 hours of Kp, and recent SWPC alerts, watches and warnings. Source: NOAA Space Weather Prediction Center. Cadence: 15m.

Earthquakes M4.5+ in the last 24 hours (USGS). All magnitude 4.5+ earthquakes in the past day with location, depth, tsunami flag and PAGER alert level; strongest first. Source: U.S. Geological Survey. Cadence: 5m.

WHO Disease Outbreak News, latest. The fifteen most recent WHO Disease Outbreak News items with summaries and links, and the 30-day count. Source: World Health Organization. Cadence: daily.

Atmospheric CO2 and global temperature anomaly. Latest monthly mean CO2 at Mauna Loa with year-on-year change (NOAA) and the latest monthly global land-ocean temperature anomaly vs 1951-1980 (NASA GISTEMP). Source: NOAA GML / NASA GISS. Cadence: monthly.

Prediction markets on recession, AI, nuclear, Taiwan, Iran, pandemic. The most traded open Polymarket markets for six risk themes with current Yes probability, volume and end date. Source: Polymarket. Cadence: 5m.