Maximum-safe LTV for collateralized agent loans. Computed from (cv + λ·j²)-derived variance over loan horizon + 6-mode regime cap. Lender-specifiable max_default_prob. Returns binding constraint (math vs regime_cap) so agents can see WHY the cap is what it is. Same calibrator as Agent-SOFR rate endpoint.

Pay-per-call: Hostname dossier (DNS/RDAP/TLS)

Pay-per-call: Base Address Reputation

Dark web intelligence from Telegram: marketplace listings, forum chatter, access broker posts, credential shops, Tor site activity. Filters: severity, min_confidence, since, tag, sector, country, organization, limit, offset.

Deterministic smart-contract risk report for any deployed contract on 20 EVM chains: 0-100 score, proxy/upgradeability, owner and pause state, mint/blacklist/fee selectors, SELFDESTRUCT, verified source and aderyn static analysis. Use before trading, approving, bridging or integrating a token or protocol. Read-only; failed analyses are not charged.

Audits target x402 endpoints for authentic payTo wallet, pricing, challenge headers, and schema hijack risks.

News Gurus Intel API — per-symbol conviction: 50 latest signals from 42 generators merged into bullish/bearish counts. Example NVDA: 12 signals, 8 bullish, 3 bearish, avg confidence 0.61, each typed (options_flow, dark_pool, congressional, technical). The only x402 API selling derived US-equity signals rather than raw quotes. Flagship read for 'what does the evidence say about TICKER right now'. Educational data, not financial advice.

Witness the SHA-256 fingerprint of a literary work: submit a title, content hash, and optional pen name; receive a tamper-evident, hash-chained receipt. Timestamping, not endorsement. We never see the work itself.

Pay-per-call: URL to markdown (md)

Pay-per-call: JSON Schema validator

Pay-per-call: Hyperliquid Open Interest + Funding

Pay-per-call: Base address lookup (who)

Pay-per-call: Raw HTTP header dump

New pool watch within a limited ranked radar listing. Returns an ISO cursor and explicit partial coverage; the listing can omit pools

PolySignal ranks current Polymarket opportunities by EV, confidence, size hint, risk, and staleness for agent research workflows.

cc0.company — x402 agent-services marketplace on Base (USDC): CC0 image generation, market-data digests, and third-party agent tools. This endpoint: Sartoshi Generator, Generate 1/1 hand-drawn mfer art in the style of sartoshi (CC0). Thin wobbly ink lines, naive doodle style. Fine-tuned by cc0toshi on a public-domain corpus. CC0 output. Async — returns a job_id to poll.

News Gurus Intel API — crypto futures/derivatives read for one symbol (BTC, ETH, SOL, XRP...): latest APEX multi-source confluence signals (direction, score, momentum surge, timeframe) plus the current market regime. Educational data, not financial advice.

Current Base mainnet gas price (wei/gwei), EIP-1559 base_fee_gwei/priority_fee_gwei, and gas_price_usd. Use when an agent must estimate gas cost in USD before sending a Base transaction.

Check whether a person or company appears on the SAM.gov federal exclusions (debarment) list. Query by name, UEI, or CAGE code. Returns exclusion details and an audit receipt.

DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. Roll Spread estimates an absolute covariance spread proxy derived from lagged price changes. Discovery examples use the latest 30m window.