ChainQuery Bitcoin Intelligence: independent Bitcoin-native on-chain data over x402, no API key. Top 10 addresses by balance from the weekly UTXO-set snapshot, with labels.

Project mindshare time series.

Cross-chain name resolver (POST wrapper, body: {name}) — $0.001 USDC

H1DR4 SKYNET investigation dossier. Paid per target. Public-interest investigation use only.

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). AI-generated market intelligence brief — market summary, key themes, and sentiment skew for any industry from citation analysis. Source: Stratalize AI citation composite. Use when producing a quick industry brief or validating market narrative

Derived two-sided open interest for a HIP-4 outcome market, per minute (circulating-supply times mark, summed over both sides). Priced per row ($0.000025 premium); served live. Takes the integer outcome id (e.g. 100).

Returns objective on-chain safety flags and live liquidity depth for any token or contract on Base, sourced and timestamped, with no advisory output.

Get flight information by ident (designator, registration, or fa_flight_id)

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.

Anchor a 32-byte hash to Base + Solana mainnet — $0.005 USDC

Agent-driven wallet due diligence — multi-step investigation, signed markdown report + JSON sidecar, dual-chain anchored. Async — returns job_id; poll /v1/investigate/status/{job_id} for the deliverable. ETA 5-10 min. $1.77 USDC.

Entry probe — $0.0036 USDC per request. POST { text: "ping" } for x402 settlement and 384-dim vector. Agent search: embed ping, entry probe, x402 probe.

US federal contract awards, SAM.gov opportunities, agency spend analysis, NAICS sector breakdown. $0.20/report via x402 on Base.

USGS recent earthquakes worldwide (M2.5+)

Parsed, taxonomy-classified SEC/EDGAR (US) announcements for one ticker (JSON). Identical schema across all supported markets.

Get Address Current Balance Data

Get the list of Twitter/X users who follow a specific user. Returns up to 50 follower profiles per page with pagination support. Query params: id (string, required) - numeric Twitter user ID; next_token (string, optional) - pagination cursor, e.g. GET /users/followers?id=44196397. Returns X v2 API-compatible JSON.

Real-time gas prices on Ethereum and Base. Returns base fee, priority fee, and EIP-1559 estimates in Gwei. $0.001 USDC per call.

Fetches a URL and evaluates 10 security-critical response headers (CSP, HSTS, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, Permissions-Policy, X-XSS-Protection, CORP, COEP, COOP), detects anti-patterns, and returns an overall security grade (A–F).

Estimate the market value tier of a domain name using transparent heuristics — length, TLD premium, dictionary-word presence, pronounceability, keyword value, and numeric/hyphen penalties — returns a value tier and 0-100 quality score so agents can triage domain portfolios and prioritize acquisitions without a paid appraisal service.