api.hergertsynthora.com

Counterparty business-risk verdict: one call fuses OFAC/EU sanctions screening, on-chain wallet reputation, and token/pool contract risk into a single weighted risk_score (0-100), a kill/pivot/proceed verdict, and reason_codes naming which sub-signal drove it. Weights: sanctions 0.50, wallet 0.30, token 0.20, renormalised if a leg is unavailable; a sanctions hit is a hard KILL floor. Degrades gracefully — a failed sub-check is dropped, never crashes the verdict. Deterministic, no LLM, Ed25519-signed. 0.05 USDC via x402 on Base. SYNTHORA.

SYNTHORA defi-llama-tvl-ranking: Top DeFi protocols by TVL with rank, chain, category and 1d/7d change, capped list (default 50, max 200 via {"limit":N}). Source: api.llama.fi/protocols (DefiLlama), keyless, timestamped.

ENS forward/reverse resolution: name->address and address->name. Deterministic, Ed25519-signed. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure. $0.002 USDC via x402 on Base. SYNTHORA.

SYNTHORA ecb-forex-fixing-vs-market: ECB daily EUR/USD fixing vs live market rate: deviation in basis points, direction and >25bps alert. Sources: official ECB eurofxref-daily.xml + open.er-api.com, both keyless.

SYNTHORA github-repo-activity: Activity metrics for any public GitHub repo (input owner/repo): stars, forks, open issues, last push, language, archived flag. 10-min in-process cache, stale-on-rate-limit or ok:false. Source: api.github.com, keyless.

Get real-time market sentiment signals via x402 M2M API. Signed x402 call. 0.03 USDC on Base.

SYNTHORA protocol-revenue-lite: Protocol Revenue Lite: live protocol REVENUE (24h/7d/30d + 1d/7d change) for any DefiLlama protocol slug, from api.llama.fi. POST {"protocol":"aave"}.

Real-time perpetual funding rates + mark price for any Binance futures symbol. Essential for delta-neutral and basis-trading agents. Free source, deterministic, instant JSON. $0.01 USDC via x402 on Base. SYNTHORA. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

SYNTHORA registry-watch: pay-per-event feed of signed Ed25519 deltas from the x402/M2M endpoint registry — new and changed endpoints, payTos and listings. Pull with {"since": "<cursor|ISO>", "slug": "<slug>", "limit": <=200}; each delta is individually signed and the full response is signed again (double provenance). $0.03 USDC on Base.

SYNTHORA Onchain Primitives: multichain (Base/Ethereum/Polygon/Arbitrum/Optimism) transaction receipts, tx lookup, wallet nonce, contract/proxy (EIP-1967) detection, ENS resolution, ERC20 + native balances, contract introspection. Deterministic, Ed25519-signed. 0.001 USDC via x402 on Base. First 3 calls FREE per wallet — send header 'X-WALLET: 0x<your Base address>' (no payment); after that 0.001 USDC per call.

SYNTHORA cryptonews: real-time crypto news headlines with sentiment, ranked by importance. Aggregates keyless RSS feeds (CryptoPanic, CoinDesk, CoinTelegraph, Decrypt, Bitcoin Magazine) into deduplicated, freshness-and-source-weighted top headlines, each scored with a lexical bull/bear sentiment (very_bullish.very_bearish) plus an overall market sentiment. Filter by asset (BTC, ETH, SOL, XRP, and more) to get only headlines about that coin. Built for trading and quant agents that need a cheap, fast crypto news + sentiment pulse. Ed25519-signed.

SYNTHORA prediction-markets: top prediction markets from Polymarket and Kalshi — implied probability, bid-ask spread, liquidity, volume, open interest and freshness seal (UTC timestamp). Filter with {"limit": N, "source": "all|polymarket|kalshi", "min_liquidity": usd}. For autonomous trading, political-risk and allocation agents. $0.05 USDC via x402 on Base. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

Real-time crowd sentiment oracle for any topic or asset: GDELT global-news tone timeline -> sentiment (very_bullish..very_bearish), tone score, trend and trading signal, with top headlines. POST {"query":"bitcoin","timespan":"6h"}. Deterministic, Ed25519-signed. SYNTHORA.

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.

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.

SYNTHORA top-crypto: Top N cryptocurrencies by market cap (default 10, max 50): rank, price, 24h change, volume and market cap in USD. Source: CoinGecko free API, keyless, timestamped.

Tx Intent Classifier: decodes the REAL intent of an on-chain transaction (Base/Ethereum) and returns an Ed25519-signed risk verdict (safe/review/suspicious/dangerous). Catches unlimited approvals, opaque selectors, value-to-contract, reverted tx. POST {"tx_hash":"0x..","chain":"base"} or {"to":"0x..","data":"0x.."}.

Verify whether an email address is real and safe to send to. Checks RFC syntax, live MX records, catch-all and disposable/temporary domains, role accounts (info@, admin@), free providers and common typos, returning a deliverability status and confidence score. Use it to validate and enrich contacts, clean email lists and prevent bounces. Deterministic, Ed25519-signed. 0.001 USDC on Base. First 3 calls FREE per wallet — send header 'X-WALLET: 0x<your Base address>' (no payment); then per call.

SYNTHORA weather-now: current weather for any city or lat,lon — temperature, feels-like, humidity, wind, WMO condition code in plain text, plus the 6h temperature trend (rising/falling/flat), which is the actionable part. Free source: open-meteo.com (ECMWF/NOAA/DWD), no API key, timestamped.

MCP Server Security Scan: probes an MCP server (JSON-RPC initialize + tools/list) and applies a deterministic rule engine over its tools — embedded secrets, dangerous shell/exec/filesystem capabilities, prompt-injection surface, hidden unicode, permissive input schemas, and auth/TLS/CORS headers — returning a security_score + findings[]. The trust layer for the agent economy. Zero-LLM, Ed25519-signed. 0.05 USDC via x402 on Base. SYNTHORA.

SYNTHORA market-dominance: BTC and ETH market dominance contrasted between TWO independent providers (CoinGecko and Coinlore), reporting the discrepancy in percentage points and a confidence grade — you get not just the number but whether the number can be trusted. Deterministic, Ed25519-signed. $0.05 USDC on Base.

SYNTHORA mtasts: sMTP transport-security audit: MTA-STS (RFC 8461) + TLS-RPT (RFC 8460). Resolves the policy DNS records, fetches and parses the well-known policy file, cross-validates the policy mx: patterns against the domain's real MX, and returns an enforce/report verdict. Complements SPF/DKIM/DMARC auditing with the TLS transport layer. Deterministic, Ed25519-signed. SYNTHORA.

SYNTHORA polymarket-markets: mercados de prediccion filtrados sobre dos paginas fusionadas; si no hay coincidencias lo dice en vez de devolver ruido.

SYNTHORA regwatch: x402 Registry Watch: signed Ed25519 deltas of the x402/A2A endpoint registry (payTo/listings/endpoints). Pay-per-event feed pull. POST {"since":"<cursor|ISO>","slug":"<slug>","limit":<=200}.

SYNTHORA translate: translate any text between 100+ languages with automatic source-language detection. Preserves tone, formatting and placeholders. Deterministic JSON output, Ed25519-signed. SYNTHORA.

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.

Gold, silver and major macro FX reference in one call for portfolio-hedging agents. ECB + metals reference. Free source. $0.05 USDC via x402 on Base. SYNTHORA. Pay-per-call via x402 on Base. No charge on upstream failure.

Historical Polymarket trade query with filters plus per-wallet aggregation. $0.01 USDC x402 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.

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 LLM Gateway FAST: OpenAI-compatible /v1/chat/completions pay-per-call, no API keys. Fast free-tier models (llama-3.1-8b class) with automatic upstream failover, Ed25519-signed. 0.005 USDC via x402 on Base. POST {"messages":[{"role":"user","content":"..."}]} (or {"prompt":"..."}).

SYNTHORA LLM Gateway SMART: OpenAI-compatible /v1/chat/completions pay-per-call, no API keys. Large free-tier models (llama-3.3-70b class) with automatic upstream failover, Ed25519-signed. 0.005 USDC via x402 on Base. POST {"messages":[{"role":"user","content":"..."}]} (or {"prompt":"..."}).

x402 PayTo Pre-Flight: verify a payTo address against the live registry before paying. Detects payTo hijacking, stale endpoints and unknown resources. Deterministic, <200ms, no external network. 0.005 USDC via x402 on Base. SYNTHORA.

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.

Polymarket resolution watch: markets ending within N days (default 7) with UMA resolution status (proposed/disputed), UMA bond and reward, hours to resolution, last price, 24h volume, liquidity and a uma_risk flag for contested or undecided resolutions. Lets prediction agents avoid or exploit resolution risk. 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.

Real-time and historical OHLCV candles (open/high/low/close/volume) for any crypto pair, any interval. For backtesting and signal agents. Free source. $0.01 USDC via x402 on Base. SYNTHORA. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

Resolution/dispute risk score (0-100) for Polymarket markets: UMA status (proposed/disputed), UMA bond and reward, rules-text ambiguity (length, deadline date, declared resolution source), top-3 holder concentration as a vote-manipulation proxy, and days to resolution. Pass a market_slug or condition_id for one market, or nothing to scan the top markets resolving in the next 14 days. Built for prediction agents that price resolution risk before trading. No charge on service failure. Ed25519-signed. $0.05 USDC per call via x402 on Base. Free trial: 3 calls per wallet with header X-WALLET.

Historical crypto OHLC/price series from CoinGecko: asset, range -> deterministic history for backtesting agents. Ed25519-signed.

FX conversion with live ECB/market rates: amount, base, quote -> converted value + rate timestamp. Ed25519-signed.

Cross-chain bridge route quotes via LiFi: best route, fees, ETA and bridge risk flags. Ed25519-signed.

SYNTHORA chokepoint-risk: SUPERCORRELATED risk verdict per maritime chokepoint (Hormuz, Suez, Panama, Bab el-Mandeb, Malacca, Gibraltar, Taiwan) — crosses REAL TRAFFIC (IMF PortWatch, canonical Polymarket resolution source) x NARRATIVE (GDELT global news spike+tone) x NAVIGABILITY (WaveWatch III sea state) into one score with confidence level. The alpha: narrative/traffic divergence (noise without disruption = market overreaction; silent disruption = early signal). Sources declared; degraded sources lower confidence. $0.05 USDC x402 Base.

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. $0.005 USDC x402 Base.

SYNTHORA emerging-protocols: early detection of young DeFi protocols with accelerating TVL (on-chain momentum) before they get big — for MEV searchers and alpha bots. Ranked by momentum+acceleration+youth, mega-protocol noise filtered. Source: DeFiLlama. $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. $0.01 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. $0.005 USDC x402 Base.

SYNTHORA gdelt-tension: geopolitical tension index for any topic/country — news-mention spike vs 7d baseline, average tone shift, escalation flag and the headlines causing it. The early signal for Polymarket geopolitical markets (high variance, high spread). Source: GDELT DOC 2.0 (100+ languages, free, no key), 6h-prefetched cache for reliability.

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. $0.005 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.

SYNTHORA macro intel bundle: 7 live macro/market datasets in ONE call (commodity macro, market sentiment, stablecoin supply, ECB forex fixing vs market, DeFi TVL ranking, top crypto, bitcoin fees). Cheaper than buying each separately. Partial degradation (never fails whole), Ed25519-signed. First 3 calls FREE per wallet via X-WALLET header. 0.10 USDC via x402 on Base. SYNTHORA.

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 3 calls FREE per wallet via X-WALLET header. 0.05 USDC via x402 on Base.

SYNTHORA marine-wave-forecast: sea state for any coast/port or chokepoint (Hormuz, Suez, Panama, Malacca, Gibraltar, Bab el-Mandeb, Dover presets) — wave height, period, swell, Douglas-scale verdict and navigability flag. Complements chokepoint-transits for shipping disruption markets. Source: open-meteo Marine (ECMWF/NOAA WaveWatch III, no key). $0.005 USDC x402 Base.

SYNTHORA rwa-gap-watch: the gap between tokenized stocks (Ondo AAPLon, TSLAon, NVDAon, SPYon, HOODon...) trading 24/7 on-chain and their last official NYSE close — on-chain price discovery happens BEFORE TradFi opens (weekend/overnight edge for investors). Cross-verified: best-liquidity pool (DexScreener, multi-chain) x official close (Yahoo), zombie/fake pools detected and reported, per-asset confidence by liquidity. $0.03 USDC x402 Base.

SYNTHORA space-weather-risk: composite operational space-weather risk verdict fusing 4 NOAA SWPC feeds (Kp/G scale, GOES X-ray flare class, solar wind, proton flux) — for defense, aviation, satellites, power grid, precision GPS. $0.01 USDC x402 Base.

SYNTHORA stablecoin-depeg: depeg radar for 8 major stablecoins (USDT, USDC, DAI, USDS, USDe, PYUSD, USDD, FDUSD), each measured by TWO independent sources (CoinGecko + DefiLlama) with inter-source discrepancy reported — a real depeg shows in both; a single-source blip is an oracle artifact. Severity levels in bps. Free sources, no key. $0.006 USDC x402 Base.

SYNTHORA tvl-concentration: DeFi TVL drain/concentration signal — protocols anomalously losing TVL while token price has not yet repriced (temporal edge window). For liquidation and risk bots. Source: DeFiLlama. $0.03 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 volume-anomaly: crypto volume-anomaly alerts for arbitrage bots — assets whose 24h turnover (volume/mcap) is anomalously high vs their cohort (z-score), early pump/unusual-activity signal. Composite of CoinGecko markets + DeFiLlama DEX volume. Keyless. $0.03 USDC x402 Base.

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 who-gho-timeseries: WHO Global Health Observatory indicator time series by country (life expectancy etc.) — public-health data for research and policy agents. $0.005 USDC x402 Base.

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.

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

Multi-LLM Smart Contract Audit: 3 independent LLM perspectives (security, logic, gas) + static pattern scan on Solidity/Vyper source. Severity: clean/low/medium/high/critical. Ed25519-signed, publishable on-chain. POST {"source":"pragma solidity...","language":"solidity"} or {"address":"0x..","chain":"base"} for Sourcify-verified contracts.

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

SYNTHORA chokepoint-transits: daily vessel transits through the 28 global maritime chokepoints (Hormuz, Suez, Panama, Bab el-Mandeb, Malacca...). Latest settled day, 7d moving average, deviation vs 30d baseline, per-vessel-type breakdown (a tanker-only drop at Hormuz is the tradeable signal) and anomaly flag. Source: IMF PortWatch (satellite AIS) — the canonical resolution source of Polymarket chokepoint markets. Free, no key.

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 domain-risk: domain risk verdict (LIMPIO/SOSPECHOSO/PELIGROSO) with score, confidence and evidence signals — age, infra, reputation crosses. Pre-interaction safety for agents. $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. $0.005 USDC x402 Base.

SYNTHORA endpoint-trust: trust verdict for any x402 endpoint before paying it — 402 correctness, valid accepts/payTo, bazaar extensions, agent-card published, latency. Observed behavior, not declarations. The pre-payment check for buying agents. $0.005 USDC x402 Base.

SYNTHORA exchange-rates-verified: FX rates for 160+ currencies CROSS-VERIFIED between two independent sources (ECB official fixing via frankfurter.app vs market aggregate open.er-api.com) with per-currency deviation in bps and divergence alert >50 bps. The product is the discrepancy: a bad rate breaks a financial agent. Free sources, no key. $0.005 USDC x402 Base.

SYNTHORA forex-latest: fX reference rate contrasted between the ECB official fixing (set once daily) and the live market rate, reporting the separation between them: how far the market has moved since the fixing, which is the only actionable part of an exchange rate.

SYNTHORA funding-spread: perp funding rates CROSSED across Binance, Bybit and OKX for top pairs — the max spread between venues and the theoretical carry direction (long where you receive, short where you pay). Funding arb signal, not a wrapper. 3 free public sources crossed. $0.03 USDC x402 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 identity-risk: brand-impersonation verdict (AUTHENTIC / DOUBTFUL / ACTIVE_IMPERSONATION) over decentralised social identities, correlated across independent sources.

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 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). $0.01 USDC x402 Base.

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 sanctions-screen: sanctions screening with MATCH / CLEAR verdict over 4 official downloads (OFAC SDN primary and alias lists, UN, OpenSanctions). Multilingual, tested on Cyrillic transliterations.

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.

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.

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 trending-cross: crypto trending VERIFIED by two-source consensus — an asset trending on CoinGecko AND gaining on Binance at once is a confirmed signal; trending on one only is noise or a localized pump. Top gainers/losers with volume included. Free sources, no key. $0.005 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). $0.005 USDC x402 Base.

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-timeseries: WHO Global Health Observatory indicator time series by country (life expectancy etc.) — public-health data for research and policy agents. $0.005 USDC x402 Base.

SYNTHORA defi-llama-tvl-ranking: Top DeFi protocols by TVL with rank, chain, category and 1d/7d change, capped list (default 50, max 200 via {"limit":N}). Source: api.llama.fi/protocols (DefiLlama), keyless, timestamped.

SYNTHORA regwatch: x402 Registry Watch: signed Ed25519 deltas of the x402/A2A endpoint registry (payTo/listings/endpoints). Pay-per-event feed pull. POST {"since":"<cursor|ISO>","slug":"<slug>","limit":<=200}.

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.

SYNTHORA bitcoin-fees: Bitcoin fee tiers in sat/vB (fastest/half-hour/hour/economy/minimum) plus current block height. Source: mempool.space public API, keyless. Bitcoin only.

SYNTHORA ecb-forex-fixing-vs-market: ECB daily EUR/USD fixing vs live market rate: deviation in basis points, direction and >25bps alert. Sources: official ECB eurofxref-daily.xml + open.er-api.com, both keyless.

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 top-crypto: Top N cryptocurrencies by market cap (default 10, max 50): rank, price, 24h change, volume and market cap in USD. Source: CoinGecko free API, keyless, timestamped.

SYNTHORA weather-now: current weather for any city or lat,lon — temperature, feels-like, humidity, wind, WMO condition code in plain text, plus the 6h temperature trend (rising/falling/flat), which is the actionable part. Free source: open-meteo.com (ECMWF/NOAA/DWD), no API key, timestamped.

Historical Polymarket trade query with filters plus per-wallet aggregation. $0.01 USDC x402 Base.

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 3 calls FREE per wallet via X-WALLET header. 0.05 USDC via x402 on Base.

SYNTHORA macro intel bundle: 7 live macro/market datasets in ONE call (commodity macro, market sentiment, stablecoin supply, ECB forex fixing vs market, DeFi TVL ranking, top crypto, bitcoin fees). Cheaper than buying each separately. Partial degradation (never fails whole), Ed25519-signed. First 3 calls FREE per wallet via X-WALLET header. 0.10 USDC via x402 on Base. SYNTHORA.

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

Python code execution as a service for agents: send code, get stdout/stderr/exit code. Isolated, hard limits. $0.01 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 forex-latest: fX reference rate contrasted between the ECB official fixing (set once daily) and the live market rate, reporting the separation between them: how far the market has moved since the fixing, which is the only actionable part of an exchange rate.

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.

Polymarket resolution watch: markets ending within N days (default 7) with UMA resolution status (proposed/disputed), UMA bond and reward, hours to resolution, last price, 24h volume, liquidity and a uma_risk flag for contested or undecided resolutions. Lets prediction agents avoid or exploit resolution risk. 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.

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.

Resolution/dispute risk score (0-100) for Polymarket markets: UMA status (proposed/disputed), UMA bond and reward, rules-text ambiguity (length, deadline date, declared resolution source), top-3 holder concentration as a vote-manipulation proxy, and days to resolution. Pass a market_slug or condition_id for one market, or nothing to scan the top markets resolving in the next 14 days. Built for prediction agents that price resolution risk before trading. No charge on service failure. Ed25519-signed. $0.05 USDC per call via x402 on Base. Free trial: 3 calls per wallet with header X-WALLET.

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.

SYNTHORA github-repo-activity: Activity metrics for any public GitHub repo (input owner/repo): stars, forks, open issues, last push, language, archived flag. 10-min in-process cache, stale-on-rate-limit or ok:false. Source: api.github.com, keyless.

SYNTHORA cryptonews: real-time crypto news headlines with sentiment, ranked by importance. Aggregates keyless RSS feeds (CryptoPanic, CoinDesk, CoinTelegraph, Decrypt, Bitcoin Magazine) into deduplicated, freshness-and-source-weighted top headlines, each scored with a lexical bull/bear sentiment (very_bullish.very_bearish) plus an overall market sentiment. Filter by asset (BTC, ETH, SOL, XRP, and more) to get only headlines about that coin. Built for trading and quant agents that need a cheap, fast crypto news + sentiment pulse. Ed25519-signed.

SYNTHORA binance-ticker24: 24h ticker that places the current price INSIDE its own 24h range — not just the last trade, but where it sits between the period high and low, with the distance to each end and the direction of travel. Deterministic, Ed25519-signed. Input: trading pair symbol (e.g. BTCUSDT).

SYNTHORA market-dominance: BTC and ETH market dominance contrasted between TWO independent providers (CoinGecko and Coinlore), reporting the discrepancy in percentage points and a confidence grade — you get not just the number but whether the number can be trusted. Deterministic, Ed25519-signed. $0.05 USDC on Base.

SYNTHORA mtasts: sMTP transport-security audit: MTA-STS (RFC 8461) + TLS-RPT (RFC 8460). Resolves the policy DNS records, fetches and parses the well-known policy file, cross-validates the policy mx: patterns against the domain's real MX, and returns an enforce/report verdict. Complements SPF/DKIM/DMARC auditing with the TLS transport layer. Deterministic, Ed25519-signed. SYNTHORA.

SYNTHORA translate: translate any text between 100+ languages with automatic source-language detection. Preserves tone, formatting and placeholders. Deterministic JSON output, Ed25519-signed. SYNTHORA.

SYNTHORA protocol-revenue-lite: Protocol Revenue Lite: live protocol REVENUE (24h/7d/30d + 1d/7d change) for any DefiLlama protocol slug, from api.llama.fi. POST {"protocol":"aave"}.

SYNTHORA registry-watch: pay-per-event feed of signed Ed25519 deltas from the x402/M2M endpoint registry — new and changed endpoints, payTos and listings. Pull with {"since": "<cursor|ISO>", "slug": "<slug>", "limit": <=200}; each delta is individually signed and the full response is signed again (double provenance). $0.03 USDC on Base.

Gold, silver and major macro FX reference in one call for portfolio-hedging agents. ECB + metals reference. Free source. $0.05 USDC via x402 on Base. SYNTHORA. Pay-per-call via x402 on Base. No charge on upstream failure.

Get real-time market sentiment signals via x402 M2M API. Signed x402 call. 0.03 USDC on Base.

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 trending-cross: crypto trending VERIFIED by two-source consensus — an asset trending on CoinGecko AND gaining on Binance at once is a confirmed signal; trending on one only is noise or a localized pump. Top gainers/losers with volume included. Free sources, no key. $0.005 USDC x402 Base.

Multi-LLM Smart Contract Audit: 3 independent LLM perspectives (security, logic, gas) + static pattern scan on Solidity/Vyper source. Severity: clean/low/medium/high/critical. Ed25519-signed, publishable on-chain. POST {"source":"pragma solidity...","language":"solidity"} or {"address":"0x..","chain":"base"} for Sourcify-verified contracts.

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 identity-risk: brand-impersonation verdict (AUTHENTIC / DOUBTFUL / ACTIVE_IMPERSONATION) over decentralised social identities, correlated across independent sources.

Real-time and historical OHLCV candles (open/high/low/close/volume) for any crypto pair, any interval. For backtesting and signal agents. Free source. $0.01 USDC via x402 on Base. SYNTHORA. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

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 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 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 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.

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 chokepoint-risk: SUPERCORRELATED risk verdict per maritime chokepoint (Hormuz, Suez, Panama, Bab el-Mandeb, Malacca, Gibraltar, Taiwan) — crosses REAL TRAFFIC (IMF PortWatch, canonical Polymarket resolution source) x NARRATIVE (GDELT global news spike+tone) x NAVIGABILITY (WaveWatch III sea state) into one score with confidence level. The alpha: narrative/traffic divergence (noise without disruption = market overreaction; silent disruption = early signal). Sources declared; degraded sources lower confidence. $0.05 USDC x402 Base.

SYNTHORA funding-spread: perp funding rates CROSSED across Binance, Bybit and OKX for top pairs — the max spread between venues and the theoretical carry direction (long where you receive, short where you pay). Funding arb signal, not a wrapper. 3 free public sources crossed. $0.03 USDC x402 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.

SYNTHORA domain-risk: domain risk verdict (LIMPIO/SOSPECHOSO/PELIGROSO) with score, confidence and evidence signals — age, infra, reputation crosses. Pre-interaction safety for agents. $0.03 USDC x402 Base.

SYNTHORA rwa-gap-watch: the gap between tokenized stocks (Ondo AAPLon, TSLAon, NVDAon, SPYon, HOODon...) trading 24/7 on-chain and their last official NYSE close — on-chain price discovery happens BEFORE TradFi opens (weekend/overnight edge for investors). Cross-verified: best-liquidity pool (DexScreener, multi-chain) x official close (Yahoo), zombie/fake pools detected and reported, per-asset confidence by liquidity. $0.03 USDC x402 Base.

SYNTHORA tvl-concentration: DeFi TVL drain/concentration signal — protocols anomalously losing TVL while token price has not yet repriced (temporal edge window). For liquidation and risk bots. Source: DeFiLlama. $0.03 USDC x402 Base.

SYNTHORA emerging-protocols: early detection of young DeFi protocols with accelerating TVL (on-chain momentum) before they get big — for MEV searchers and alpha bots. Ranked by momentum+acceleration+youth, mega-protocol noise filtered. Source: DeFiLlama. $0.03 USDC x402 Base.

SYNTHORA space-weather-risk: composite operational space-weather risk verdict fusing 4 NOAA SWPC feeds (Kp/G scale, GOES X-ray flare class, solar wind, proton flux) — for defense, aviation, satellites, power grid, precision GPS. $0.01 USDC x402 Base.

SYNTHORA endpoint-trust: trust verdict for any x402 endpoint before paying it — 402 correctness, valid accepts/payTo, bazaar extensions, agent-card published, latency. Observed behavior, not declarations. The pre-payment check for buying agents. $0.005 USDC x402 Base.

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 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. $0.005 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. $0.005 USDC x402 Base.

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. $0.005 USDC x402 Base.

SYNTHORA btc-fees: Bitcoin fee tiers + mempool congestion, cross-reported from two independent node sources (mempool.space + blockstream.info) with methodology divergence declared. For agents timing BTC transactions. Free sources, no key. $0.005 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. $0.005 USDC x402 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 volume-anomaly: crypto volume-anomaly alerts for arbitrage bots — assets whose 24h turnover (volume/mcap) is anomalously high vs their cohort (z-score), early pump/unusual-activity signal. Composite of CoinGecko markets + DeFiLlama DEX volume. Keyless. $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. $0.01 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). $0.01 USDC x402 Base.

SYNTHORA stablecoin-depeg: depeg radar for 8 major stablecoins (USDT, USDC, DAI, USDS, USDe, PYUSD, USDD, FDUSD), each measured by TWO independent sources (CoinGecko + DefiLlama) with inter-source discrepancy reported — a real depeg shows in both; a single-source blip is an oracle artifact. Severity levels in bps. Free sources, no key. $0.006 USDC x402 Base.

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 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.

SYNTHORA marine-wave-forecast: sea state for any coast/port or chokepoint (Hormuz, Suez, Panama, Malacca, Gibraltar, Bab el-Mandeb, Dover presets) — wave height, period, swell, Douglas-scale verdict and navigability flag. Complements chokepoint-transits for shipping disruption markets. Source: open-meteo Marine (ECMWF/NOAA WaveWatch III, no key). $0.005 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). $0.005 USDC x402 Base.

SYNTHORA exchange-rates-verified: FX rates for 160+ currencies CROSS-VERIFIED between two independent sources (ECB official fixing via frankfurter.app vs market aggregate open.er-api.com) with per-currency deviation in bps and divergence alert >50 bps. The product is the discrepancy: a bad rate breaks a financial agent. Free sources, no key. $0.005 USDC x402 Base.

SYNTHORA gdelt-tension: geopolitical tension index for any topic/country — news-mention spike vs 7d baseline, average tone shift, escalation flag and the headlines causing it. The early signal for Polymarket geopolitical markets (high variance, high spread). Source: GDELT DOC 2.0 (100+ languages, free, no key), 6h-prefetched cache for reliability.

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. $0.005 USDC x402 Base.

SYNTHORA chokepoint-transits: daily vessel transits through the 28 global maritime chokepoints (Hormuz, Suez, Panama, Bab el-Mandeb, Malacca...). Latest settled day, 7d moving average, deviation vs 30d baseline, per-vessel-type breakdown (a tanker-only drop at Hormuz is the tradeable signal) and anomaly flag. Source: IMF PortWatch (satellite AIS) — the canonical resolution source of Polymarket chokepoint markets. Free, no key.

SYNTHORA sanctions-screen: sanctions screening with MATCH / CLEAR verdict over 4 official downloads (OFAC SDN primary and alias lists, UN, OpenSanctions). Multilingual, tested on Cyrillic transliterations.

Screen a crypto wallet address against global sanctions and illicit-activity intelligence. Cross-checks the on-chain Chainalysis sanctions oracle, TRM screening, OFAC SDN and GoPlus address flags (mixer, phishing, laundering), returning a sanctioned yes/no, matched lists and an AML risk score. Use it for AML compliance, sanctions screening and KYT before onboarding or paying an address. Ed25519-signed. 0.005 USDC on Base.

Assess the security risk of a cross-chain bridge before routing funds through it. Combines live DefiLlama TVL and audit status with the full bridge-hack incident history and known-exploit analysis into a 0-100 risk score, a safe/caution/high_risk/critical signal and explicit risk factors. Use it for bridge risk and cross-chain due diligence. Ed25519-signed. 0.002 USDC on Base.

Tx Intent Classifier: decodes the REAL intent of an on-chain transaction (Base/Ethereum) and returns an Ed25519-signed risk verdict (safe/review/suspicious/dangerous). Catches unlimited approvals, opaque selectors, value-to-contract, reverted tx. POST {"tx_hash":"0x..","chain":"base"} or {"to":"0x..","data":"0x.."}.

SYNTHORA prediction-markets: top prediction markets from Polymarket and Kalshi — implied probability, bid-ask spread, liquidity, volume, open interest and freshness seal (UTC timestamp). Filter with {"limit": N, "source": "all|polymarket|kalshi", "min_liquidity": usd}. For autonomous trading, political-risk and allocation agents. $0.05 USDC via x402 on Base. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

Real-time perpetual funding rates + mark price for any Binance futures symbol. Essential for delta-neutral and basis-trading agents. Free source, deterministic, instant JSON. $0.01 USDC via x402 on Base. SYNTHORA. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

Counterparty business-risk verdict: one call fuses OFAC/EU sanctions screening, on-chain wallet reputation, and token/pool contract risk into a single weighted risk_score (0-100), a kill/pivot/proceed verdict, and reason_codes naming which sub-signal drove it. Weights: sanctions 0.50, wallet 0.30, token 0.20, renormalised if a leg is unavailable; a sanctions hit is a hard KILL floor. Degrades gracefully — a failed sub-check is dropped, never crashes the verdict. Deterministic, no LLM, Ed25519-signed. 0.05 USDC via x402 on Base. SYNTHORA.

MCP Server Security Scan: probes an MCP server (JSON-RPC initialize + tools/list) and applies a deterministic rule engine over its tools — embedded secrets, dangerous shell/exec/filesystem capabilities, prompt-injection surface, hidden unicode, permissive input schemas, and auth/TLS/CORS headers — returning a security_score + findings[]. The trust layer for the agent economy. Zero-LLM, Ed25519-signed. 0.05 USDC via x402 on Base. SYNTHORA.

Agent Card Validator (A2A): given an Agent Card URL or JSON, deterministically validates it against the A2A spec — required fields, skill schemas, endpoint reachability, security schemes, provider transparency — and returns a compatibility_score, schema_errors and warnings. The trust layer for the agent economy. Deterministic, Ed25519-signed. 0.01 USDC via x402 on Base. SYNTHORA.

Verify whether an email address is real and safe to send to. Checks RFC syntax, live MX records, catch-all and disposable/temporary domains, role accounts (info@, admin@), free providers and common typos, returning a deliverability status and confidence score. Use it to validate and enrich contacts, clean email lists and prevent bounces. Deterministic, Ed25519-signed. 0.001 USDC on Base. First 3 calls FREE per wallet — send header 'X-WALLET: 0x<your Base address>' (no payment); then per call.

SYNTHORA Onchain Primitives: multichain (Base/Ethereum/Polygon/Arbitrum/Optimism) transaction receipts, tx lookup, wallet nonce, contract/proxy (EIP-1967) detection, ENS resolution, ERC20 + native balances, contract introspection. Deterministic, Ed25519-signed. 0.001 USDC via x402 on Base. First 3 calls FREE per wallet — send header 'X-WALLET: 0x<your Base address>' (no payment); after that 0.001 USDC per call.

Real-time crowd sentiment oracle for any topic or asset: GDELT global-news tone timeline -> sentiment (very_bullish..very_bearish), tone score, trend and trading signal, with top headlines. POST {"query":"bitcoin","timespan":"6h"}. Deterministic, Ed25519-signed. SYNTHORA.

ENS forward/reverse resolution: name->address and address->name. Deterministic, Ed25519-signed. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure. $0.002 USDC via x402 on Base. SYNTHORA.

SYNTHORA A2A service