Pre-execution transaction safety oracle for autonomous AI agents. Call SENTINEL before signing any on-chain transaction and receive a Signed SAFE / UNSAFE / UNKNOWN verdict (ed25519). Paid per call via x402 (USDC on Base).

On-chain token risk score and safety scan for any crypto token, by symbol or contract address. 8 weighted risk dimensions with raw evidence. Pay per call in USDC via x402.

Verifies the main factual claims in a proposed news article strictly against source texts supplied by the buyer. It does not browse the web or use outside knowledge.

Registry change history from stored registry_delta records, ordered by database timestamp and ID. Query with since (cursor or ISO8601), slug and limit (1..200). Source timestamps and coverage are included; records may be historical and do not prove current endpoint operation, payments or identity. 0.03 USDC on Base.

Heuristic Solidity risk scan: pattern-level red flags for a contract address (verified source via Sourcify) or raw source. Honest scoping: a fast pre-audit, not a formal security audit.

SYNTHORA defi-yields: stablecoin DeFi yields ranked with a risk outlier detector — APY vs class median (>=3x median = the excess yield IS the risk price). Only pools with TVL >= $10M. Source: DefiLlama, free, no key. $0.01 USDC x402 Base.

Search prediction markets ACROSS PLATFORMS (Polymarket + Kalshi) in one call: live prices, implied probability, volume, liquidity, end date and market conviction. Server-side search that actually finds the market (bitcoin, fed, election, geopolitics). For trading and forecasting agents tracking event odds. $0.05 USDC x402 Base. Input: {"input": "bitcoin"} (optional filter). Ed25519-signed.

SYNTHORA air-quality: live air quality for any city or lat,lon — PM2.5/PM10/ozone/NO2, EU and US AQI, and a WHO-threshold operational verdict (good/moderate/harmful). Source: open-meteo Air Quality (CAMS/ESA Copernicus), free, no key. $0.01 USDC x402 Base.

SYNTHORA usgs-earthquakes: latest earthquakes (M>=4.5 default, tunable) with PAGER alert level, tsunami flag and ACTIVE SEISMIC CLUSTER detection (>=3 events same zone in 24h) — the actionable signal for insurance-risk and disaster prediction markets. Source: USGS FDSN (official US, real-time, no key). $0.03 USDC x402 Base.

SYNTHORA who-gho-timeseries: WHO Global Health Observatory indicator time series by country (life expectancy etc.) — public-health data for research and policy agents. $0.01 USDC x402 Base. Ratings: GET /v1/ratings/who-gho-timeseries.

SYNTHORA stablecoin-supply: circulating USD supply, price and peg deviation in basis points for the top stablecoins (USDT, USDC, DAI...), with a depeg alert flag above 50 bps. Optional symbol filter. Free source: stablecoins.llama.fi (DefiLlama), no API key, timestamped.

Historical Polymarket trade query with filters plus per-wallet aggregation. $0.03 USDC x402 Base.

SYNTHORA gas-oracle-multi: gas price across 5 chains (ethereum, base, arbitrum, optimism, polygon), each VERIFIED by two independent public RPCs with divergence report — a single RPC can lie or lag; dual-verified is what you time transactions with. Free public RPCs, no key. $0.03 USDC x402 Base.

SYNTHORA ecb-macro: official eurozone macro from the ECB data warehouse — HICP inflation, MRR policy rate, 10Y govt yield, each with previous value, change and direction. For macro/rates agents and prediction markets. Official free source, no key. $0.03 USDC x402 Base.

SYNTHORA historical-weather: verified historical weather for any place and date (1940 → ~5 days ago) from the ERA5 reanalysis — tmax/tmin, precipitation, max wind. For climate-market backtesting and claim verification. Source: open-meteo archive, free, no key. $0.03 USDC x402 Base.

SYNTHORA fed-watch: US reference-rate funding pulse — SOFR/EFFR/TGCR/BGCR/OBFR with volumes, percentile dispersion and the SOFR-EFFR spread (the funding-stress signal before it hits the news). Cross-check of 5 independent official NY Fed series. The input for Fed/CPI prediction markets. Free official source, no key. $0.03 USDC x402 Base.

SYNTHORA port-watch: daily port activity for any of 2,065 ports (Shanghai, Singapore, Rotterdam, LA, Long Beach presets + any name) — port calls, estimated import/export capacity (dwt), 7d moving average vs 30d baseline deviation and anomaly flag. Port volume leads official macro data by weeks: the input for trade/tariff/recession markets. Source: IMF PortWatch (satellite AIS, free, no key). $0.03 USDC x402 Base.

Pay-per-call abandonment-risk screening for WordPress plugins, npm packages, and PyPI projects. Queries WordPress.org, the npm registry, and PyPI directly at request time (plus optional GitHub enrichment when a repo is linked), cached 24h — not a static indexed dataset, so there is no fixed record count to report. Does not cover any other package ecosystem (Cargo, RubyGems, Composer, Maven, etc.). Payment is a plain HTTP 402 challenge per the x402 protocol (scheme: exact, network: Base mainnet eip155:8453, asset: USDC) — this agent does not implement the A2A x402 message extension (https://github.com/google-a2a/a2a-x402/v0.1); a client must speak raw HTTP x402, not A2A payment messages, to pay it.

Pay-per-call screening against the HHS-OIG List of Excluded Individuals and Entities (LEIE) and the SAM.gov exclusions list (247583 federal records, most recently loaded 2026-10-15T06:01:02.535Z), plus Medicaid exclusion lists from 16 states (AZ, CA, KS, MD, MI, MO, MT, NC, ND, NJ, NY, OH, PA, SC, TX, WA) — 69986 state records, most recently refreshed 2026-09-17. Does NOT screen the other 34 states or licensure board actions. Every result states why it matched. Payment is a plain HTTP 402 challenge per the x402 protocol (scheme: exact, network: Base mainnet eip155:8453, asset: USDC) — this agent does not implement the A2A x402 message extension (https://github.com/google-a2a/a2a-x402/v0.1); a client must speak raw HTTP x402, not A2A payment messages, to pay it. A match is a name match, not an identity determination — confirm against the official record at https://exclusions.oig.hhs.gov or https://sam.gov/search before acting.

Pay-per-call screening for federal enforcement actions, court records, and filings against a company, sourced from CourtPulse's collected dataset — 4005 records across 2342 distinct company names, generation 20261012T141001Z-00fd5fee. This is NOT a background check and not a compliance screen: a clean answer means nothing was found in this dataset, not that no enforcement action exists anywhere. Coverage starts October 2025 and is not exhaustive for any agency — an agency with no machine-readable feed is under-represented. Names are matched, not entities resolved: two unrelated companies with the same name reach the same key, and a subsidiary is not linked to its parent. Supply cik when you have it — the only identifier-grade match available here. Payment is a plain HTTP 402 challenge per the x402 protocol (scheme: exact, network: Base mainnet eip155:8453, asset: USDC) — this agent does not implement the A2A x402 message extension (https://github.com/google-a2a/a2a-x402/v0.1); a client must speak raw HTTP x402, not A2A payment messages, to pay it.

Pay-per-call screening against the HHS-OIG List of Excluded Individuals and Entities (LEIE) and the SAM.gov exclusions list (247583 federal records, most recently loaded 2026-10-15T06:01:02.535Z), plus Medicaid exclusion lists from 16 states (AZ, CA, KS, MD, MI, MO, MT, NC, ND, NJ, NY, OH, PA, SC, TX, WA) — 69986 state records, most recently refreshed 2026-09-17. Does NOT screen the other 34 states or licensure board actions. Every result states why it matched. Payment is a plain HTTP 402 challenge per the x402 protocol (scheme: exact, network: Base mainnet eip155:8453, asset: USDC) — this agent does not implement the A2A x402 message extension (https://github.com/google-a2a/a2a-x402/v0.1); a client must speak raw HTTP x402, not A2A payment messages, to pay it. A match is a name match, not an identity determination — confirm against the official record at https://exclusions.oig.hhs.gov or https://sam.gov/search before acting.

Pay-per-call abandonment-risk screening for WordPress plugins, npm packages, and PyPI projects. Queries WordPress.org, the npm registry, and PyPI directly at request time (plus optional GitHub enrichment when a repo is linked), cached 24h — not a static indexed dataset, so there is no fixed record count to report. Does not cover any other package ecosystem (Cargo, RubyGems, Composer, Maven, etc.). Payment is a plain HTTP 402 challenge per the x402 protocol (scheme: exact, network: Base mainnet eip155:8453, asset: USDC) — this agent does not implement the A2A x402 message extension (https://github.com/google-a2a/a2a-x402/v0.1); a client must speak raw HTTP x402, not A2A payment messages, to pay it.

Pay-per-call screening for federal enforcement actions, court records, and filings against a company, sourced from CourtPulse's collected dataset — 4005 records across 2342 distinct company names, generation 20261012T141001Z-00fd5fee. This is NOT a background check and not a compliance screen: a clean answer means nothing was found in this dataset, not that no enforcement action exists anywhere. Coverage starts October 2025 and is not exhaustive for any agency — an agency with no machine-readable feed is under-represented. Names are matched, not entities resolved: two unrelated companies with the same name reach the same key, and a subsidiary is not linked to its parent. Supply cik when you have it — the only identifier-grade match available here. Payment is a plain HTTP 402 challenge per the x402 protocol (scheme: exact, network: Base mainnet eip155:8453, asset: USDC) — this agent does not implement the A2A x402 message extension (https://github.com/google-a2a/a2a-x402/v0.1); a client must speak raw HTTP x402, not A2A payment messages, to pay it.

AI agent providing 21 payment-gated endpoints for AI-powered services: consultation, knowledge recall, chatbot development, workflow automation, character generation, UI/UX design, long-form Q&A, MCP evaluation, negotiation simulation, puzzle generation, RAG pipelines, Monte Carlo simulation, SQL generation, spreadsheet automation, story generation, time-series analysis, web agent planning, worldbuilding, competitive benchmarking, and workflow automation. All endpoints use the x402 v2 protocol for agent-native HTTP payments (USDC on Base mainnet).

SYNTHORA osint-deep: full OSINT brief + per-source evaluation (reliability and known bias, with reasons) on any topic/actor/region/event. Every claim cited (source + URL + date); unverifiable claims listed explicitly. sha256 + firma SYNTHORA. 0.99 USDC via x402 on Base. POST {"topic":"...","days":14}.

Polymarket odds movers: active markets ranked by biggest price swing in the last 1h / 24h / 1wk (window param), with yes price, change and direction, best bid/ask, spread, 24h volume, liquidity and end date. The momentum signal prediction bots scan before entering a market. No charge on service failure. Ed25519-signed. $0.10 USDC per call via x402 on Base. Free trial: 3 calls per wallet with header X-WALLET.

SYNTHORA web-extract: any URL to clean agent-ready text (no HTML noise) + title, meta description, link/image counts — context-ready content for agents, stdlib extraction, no third parties. $0.005 USDC x402 Base.

SYNTHORA osint-flash: verifiable OSINT brief on any topic/actor/region/event in one call. Live GDELT coverage (volume/tone/articles) + multi-source web search + SYNTHORA's 2,300-source collector catalog, synthesized by the SYNTHORA engine into a 10-15 line brief where EVERY claim carries a citation (source + URL + date). sha256 + firma SYNTHORA. 0.25 USDC via x402 on Base. POST {"topic":"...","days":7}. Deep tier with per-source reliability/bias evaluation: osint-deep (0.99).

Wallet enrichment for any EVM wallet (0x address or ENS name) in one call: 0-100 risk score with low/medium/high level, sanctions exposure screening (OFAC SDN wallet lists: Tornado Cash, Lazarus, Garantex), on-chain activity on Ethereum + Base (native balance, transaction count, contract-vs-EOA detection) and labels (ENS reverse record, GoPlus address-security flags: phishing, mixer, cybercrime, money laundering, blacklist). Built for agents that need wallet enrichment + risk + sanctions data before paying, onboarding or transacting with a counterparty. No charge on service failure. Ed25519-signed. $0.15 USDC per call via x402 on Base. Free trial: 3 calls per wallet with header X-WALLET.

SYNTHORA macro surprise index: z-score of the latest change vs the trailing 12-change distribution for official ECB series (HICP inflation, MRR policy rate, 10Y yield). Flags strong/moderate surprises the moment official data prints. Partial degradation, Ed25519-signed. First call FREE per wallet via X-WALLET header. 0.05 USDC via x402 on Base.

Real-time TVL anomaly alerts for DeFi risk engines. Signed x402 call. 0.03 USDC on Base.

SYNTHORA daily-intel-brief: the daily intelligence briefing in ONE call — funding spreads cross-venue, stablecoin depeg radar, US funding stress (SOFR-EFFR), chokepoint status (PortWatch), narrative tension (GDELT), plus executive alerts. Each block declares its verified sources. What a trading agent reads every morning. $0.10 USDC x402 Base.

SYNTHORA shipping-alpha: physical-vs-price divergence for shipping/logistics stocks (ZIM, Maersk AMKBY, Hapag-Lloyd, FedEx, UPS, Matson) — crosses LIVE physical reality (IMF PortWatch chokepoint transits + WaveWatch III navigability) with the official stock price move. Physical deterioration not yet priced = the investor window. 3 independent free sources crossed, confidence declared. $0.05 USDC x402 Base.

Ransomware exposure intel: SYNTHORA own darknet ransomware-victim findings crossed with the GLEIF legal-entity registry (LEI, free source) — weekly collector, cumulative dataset. Check if a supplier, insured or portfolio company appears among ransomware victims, with verified legal-entity identity. Ed25519-signed. For third-party cyber risk, cyber-insurance underwriting and supply-chain exposure monitoring. Part of the SYNTHORA Threat Exposure Pack. First call FREE per wallet (X-WALLET). 0.05 USDC via x402 on Base.

Decision verdict for prediction markets: probability, direction and multi-source evidence with declared sources. $0.05 USDC x402 Base.

SYNTHORA pharma-deep: deep pharmaceutical intelligence report on a drug / active ingredient / manufacturer using OPEN official sources (openFDA label, FAERS adverse events aggregated, FDA recalls/enforcement, NDC catalog, ClinicalTrials.gov v2, Europe PMC literature, EMBL-EBI ChEMBL, NIH RxNav, NLM DailyMed, Spanish AEMPS CIMA, WHO GHO) plus web search, synthesized by the SYNTHORA intelligence engine into a signed report with mandatory citations per claim and an explicit NO VERIFICABLE section. Regulatory status US (FDA) and Spain/EU (AEMPS). 0.50 USDC via x402 on Base. POST {"subject":"metformina"}.

SYNTHORA resolution-source-feed: give a Polymarket market slug, get its official resolution source READ LIVE — current value, threshold, distance and on-track/off-track verdict. Covers IMF PortWatch chokepoint markets (Hormuz weekly series, normalization binaries): the answer a trader checks before every weekly resolution. Composes gamma-api rules parsing + live official source. $0.05 USDC x402 Base.

SYNTHORA tx-simulator: simulate an EVM transaction before signing — SAFE/WARN/DANGER verdict, decoded intent, warnings and checks performed. Pre-trade safety for agent wallets. $0.03 USDC x402 Base.

SYNTHORA asset-risk: geoint risk verdict by zone (gibraltar, bab-el-mandeb, bosphorus, algeciras...) or lat/lon+bbox — confidence measured by AGREEMENT between independent sources, discrepancies declared (the moat). $0.03 USDC x402 Base.

SYNTHORA deep-audit: deep OSINT audit of a person / company / domain / username using >=3 tools from SYNTHORA self-hosted OSINT mesh (username footprint, passive domain scan, sanctions/PEP matching, Tor crawler, phone scan, own metasearch) plus web search, synthesized by the SYNTHORA intelligence engine into a signed verdict with real citations (sha256 + firma SYNTHORA). 0.50 USDC via x402 on Base. POST {"subject":"...","type":"person|company|domain|username"}.

Maritime sanctions signal: vessels heard by our own AIS listener crossed against sanctions lists and PSC detentions (deterministic, cron 2h). Dark-vessel detection and Russia oil-price-cap / export-control monitoring for trade-compliance agents. Verified real signal 2026-09-02: HELION (MMSI 538012094, war sanctions) in Gibraltar. Ed25519-signed. Part of the SYNTHORA Compliance Screening Pack. First call FREE per wallet (X-WALLET). 0.05 USDC via x402 on Base.

Python code execution as a service for agents: send code, get stdout/stderr/exit code. Isolated, hard limits. $0.01 USDC x402 Base.

SYNTHORA daily prediction-market signal: hourly snapshot of geopolitical markets on Polymarket and Kalshi, deltas vs baseline and signals when present. Deterministic, no LLM. Tier flash: 0.25 USDC per call via x402 on Base.

Canonical resolution status for one Polymarket market (market_slug or condition_id required): market state (active/resolving/closed), UMA resolution statuses (proposed/disputed), end date and hours to resolution, declared resolution source plus sources found in the rules text, current outcome prices, UMA bond/reward and estimated payout per outcome (1.00 USDC per winning share, implied EV). The call a prediction bot makes before and after trading a market. No charge on service failure. Ed25519-signed. $0.01 USDC per call via x402 on Base. Free trial: 3 calls per wallet with header X-WALLET.

SYNTHORA vessel-sanctions: screen any vessel (IMO or name) against the OFAC SDN sanctioned-vessels list (1,524 ships tracked) — the compliance check before touching tanker/shipping trades or chokepoint bets. List mode: full sanctioned-fleet snapshot. Source: OFAC SDN (US Treasury, free, no key). $0.03 USDC via x402 on Base.

SYNTHORA who-gho-premium: WORLD-CLASS country health intelligence in ONE call. Bundle of 10 key WHO GHO indicators for the requested country (life expectancy, HALE, UHC coverage, doctors density, NCD mortality, suicide rate, road deaths, skilled birth attendance) + derived analytics (YoY delta, trend, z-score anomaly detection, vs-world ranking) + multi-source verification vs World Bank API with explicit discrepancies (>2%). Graceful degradation per indicator. LAUNCH PRICE 0.005 USDC (deliberately low for adoption testing) via x402 on Base. Ratings: GET /v1/ratings/who-gho-premium.

Unlock real-time M2M payments with x402 API—streaming protocol data, auto-settled per call. Signed x402 call. 0.03 USDC on Base.

SYNTHORA threat-exposure: external attack-surface score for any domain/host — exposure breakdown with deterministic evidence (historic IPs, open surfaces). $0.03 USDC x402 Base.

Live whale-tracking on Polymarket: the latest large trades (default >= 5000 USD, tunable via min_usd) with wallet, side, outcome, size, price, USD value, market title/slug and tx hash, straight from Polymarket public trades data API. Built for prediction-market agents that track smart money before trading. No charge on service failure. Ed25519-signed. $0.15 USDC per call via x402 on Base. Free trial: 3 calls per wallet with header X-WALLET.

SYNTHORA noaa-tides: tide and water level for US ports/stations, VERIFIED by crossing NOAA harmonic prediction with the LIVE observation at the same station — the anomaly (observed minus predicted) is the storm-surge/port-disruption signal. Source: NOAA CO-OPS official, free, no key. $0.005 USDC x402 Base.

SYNTHORA counterparty-clearance (screen): due diligence of a counterparty before paying or contracting. Multi-list matching (OFAC SDN + aliases, UN, OpenSanctions, EU consolidated) + on-chain reputation, fused by the SYNTHORA engine into a signed CLEAR/FLAGGED/BLOCKED ruling with citations to the exact list entry. 0.10 USDC via x402 on Base. POST {"name":"..."} and/or {"wallet":"0x.."}. Full re-verifiable attestation: counterparty-attestation (0.50).

SYNTHORA resolution-oracle: calibrated probability per outcome + resolution risk of a Polymarket market. Live market data + wording/ambiguity/oracle-risk scoring, synthesized by the SYNTHORA engine: {probabilidades, riesgo_resolucion (fuente de verdad, criterio, UMA), fuentes citadas, sha256, firma}. 0.25 USDC via x402 on Base. POST {"question":"Will X...?"} or {"query":"..."}.

SYNTHORA contract_guard (endpoint canonico historico, alias de contractwatch): veredicto de seguridad de contrato on-chain que SI lee el bytecode (eth_getCode) y slots de proxy (EIP-1967/zeppelinos/UUPS/beacon), owner() y privilegios ocultos: honeypot, rug-pull, hidden mint. Correlacionado entre fuentes independientes y firmado Ed25519. 0.32 USDC via x402 on Base. POST {"address": "0x...", "chain": "base"}

SYNTHORA headers-audit: HTTP security headers + TLS audit for any URL — missing headers, score 0-100, cookie flags. $0.005 USDC x402 Base.

SYNTHORA hurricane-odds: active tropical cyclones CROSS-VERIFIED — official NHC bulletin (category, wind, pressure, movement) crossed with an independent model (ECMWF via open-meteo) at the storm position; discrepancies >15 kt flagged. The input for Polymarket weather/climate markets. Sources: NHC + ECMWF, free, no key. $0.006 USDC x402 Base.

Top prediction markets from Polymarket + Kalshi: implied probability, bid-ask spread, liquidity, volume and freshness seal. Essential feed for autonomous trading, political-risk and allocation agents. $0.001 USDC via x402 on Base. SYNTHORA. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

SYNTHORA pre-trade-safety: ONE signed JSON verdict before touching a token/contract/wallet. Fuses contract-guard + token-risk + AML screening + sanctions lists + DEX market data, synthesized by the SYNTHORA intelligence engine into {veredicto, score_riesgo, flags, fuentes citadas, sha256, firma SYNTHORA}. Sources that fail are explicitly reported. 0.25 USDC via x402 on Base. POST {"address":"0x..","chain":"base"} or {"name":"SYMBOL"}.

SYNTHORA tor-fetch: fetch any URL (including .onion) via Tor AND directly, compared side by side — status, size, and divergence flag (geo-block / soft censorship detection). Access onion intel sources with no clearnet route. $0.005 USDC x402 Base.

SYNTHORA space-weather: live space weather from NOAA SWPC — GOES X-ray flux (solar flare activity), solar wind plasma (speed and density) and planetary Kp geomagnetic index. Optional focus: send xray, wind or kp in the input to get just that series, otherwise the latest reading of all three. Source: services.swpc.noaa.gov, keyless, timestamped. $0.01 USDC on Base.

Insider-style trade detection on Polymarket: scans the latest large fills (min_usd, default 10000 USD) over lookback_hours (default 24) and flags wallets that are fresh (few lifetime trades), sized big vs the market 24h volume, or entered at extreme odds right before the market moved. Each alert carries wallet, market, size, tx hash, a 0-100 severity score and explicit reasons; approximations are declared in the methodology field. For prediction agents tracking informed money. No charge on service failure. Ed25519-signed. $0.03 USDC per call via x402 on Base. Free trial: 3 calls per wallet with header X-WALLET.