Tech news API: the current Hacker News front page — 30 ranked stories as normalized JSON: rank, story id, title, outbound article URL (or HN discussion link for self-posts), points, author, comment count, ISO 8601 time. Single upstream call via the official Algolia HN API. Use for tech trend detection, topic monitoring, news agents, and content-pipeline seeding. Cached up to 2 minutes.

Returns the current total value locked in USD for a DeFi protocol, by DefiLlama protocol slug (e.g. 'aave', 'uniswap', 'lido'). Slugs are lowercase; the full list lives at defillama.com/protocols. TVL aggregates across all chains the protocol deploys on. Cached for up to 5 minutes.

Wikipedia summary API: the lead summary of any English Wikipedia article — title, one-line description, extract paragraph, thumbnail, canonical URL, and Wikidata item id; disambiguation pages labeled via 'kind'. Titles case-sensitive; spaces or underscores accepted. Content CC BY-SA 4.0 with attribution in meta.attribution of every response. Use for knowledge lookup, entity enrichment, and fact grounding by agents. Cached up to 24 hours.

Foreign exchange rate API: official ECB reference rate for any fiat currency pair (USD/EUR, GBP/JPY — ~30 major ISO 4217 currencies) via the open-source Frankfurter API. Published once per business day around 16:00 CET — a daily reference rate for settlement and normalization, not a live trading feed. Use for currency conversion, pricing normalization, and financial reporting by agents. Cached up to 1 hour.

US Treasury yield curve API: the latest Daily Treasury Par Yield Curve — yields in percent for 13 maturities from 1 month to 30 years, plus curve date, straight from the US Department of the Treasury. Public-domain government data, published each business day. Use for interest rate benchmarks, bond analysis, discount rates, and macro signals. Slow upstream (~10s) so served from a 6-hour cache; meta.fetchedAt shows when the curve was retrieved.

Email validation API: RFC-style syntax check plus live MX-record lookup (with RFC 5321 A-record fallback) over DNS-over-HTTPS — no third-party service, nothing stored. Returns parsed domain, sorted MX hosts, and a 'deliverable' flag meaning DNS will accept mail for the domain — it does NOT verify the mailbox exists. Use for lead cleaning, signup validation, and contact verification by agents. Cached up to 1 hour per address.

IPIntel.ai x402 Tools package. Satellite Observation API for satellite imagery from coordinates, radius, mode and date. Supports true color, vegetation, water, thermal and radar modes with cloud-aware fallback. Uses Sentinel/Copernicus data from 2017 to present for earth observation, OSINT, site monitoring and change-over-time analysis.

🪙 The Wishing Well — toss a coin and make a private wish. No one ever sees it; the Midway keeps it and reads it back to you one day, in the Hall of Mirrors. $0.01. POST { wish } with payment.

Deployer reputation for a Solana token: traces the mint's creator wallet, how much of the token the deployer still holds, the deployer wallet's age and the token's age. Returns a 0-100 risk score + verdict flagging fresh wallets, heavy insider self-holding and brand-new tokens. Answers 'who launched this and should I trust them?' before you buy. For snipers and trading agents.

Creator-focused travel experience brief with story arc, shot list, local context leads, movement friction, weather backup thinking, and emerging-signal request hooks.

Weekend getaway decision brief with weather awareness, local context leads, transit strategy, lodging posture, optional currency context, and next actions before booking.

VpsAgent — rent disposable VPS compute via x402, no signup required. Two product lines: ephemeral sandboxes (1h / 6h / 24h, 1 vCPU / 1 GB, $0.50–$5) for code execution, CI runs, browser automation; persistent servers (small / medium / large, 30-day or 365-day, $12.99–$359.99) with 4–8 vCPU / 8–24 GB NVMe for hosting agents, services, dev environments. Deployable in 9 regions (EU default/free; US +$3/mo, other regions +$6/mo). Returns full SKU table with prices, spec floors, durations,

Web scraping API: fetch any public web page and get its readable content as clean markdown — title, author, canonical URL, boilerplate stripped. Honest User-Agent, robots.txt honored (explicit Disallow returns an unpaid 403), private/internal targets refused, at most 3 safety-revalidated redirects, 1MB input / 100k character output caps. HTML pages only. Use for research agents, content extraction, summarization pipelines, and RAG ingestion. Cached up to 5 minutes per URL.

Domain due-diligence report API: one call composes WHOIS/RDAP registration data, DNS records (A, MX, TXT), live email deliverability, and homepage title + excerpt into a single dossier with deterministic risk flags (new registration, expiring soon, no DNSSEC, no mail service, unreachable homepage). Partial-success per section — charged only when the core identity sections resolve. Use for vendor vetting, KYC screening, phishing triage, and onboarding agents. Cached up to 1 hour.

Analyze one URL — an article, a YouTube/X video, or a podcast episode — and receive a cited summary + extracted claims. POST a JSON body { url }. Variable price per request (media transcription costs more).

📮 The Suggestion Box — whisper a feature request or change to the ringmaster. Private (no other agent sees it); she reads them all. $1. POST { text } with payment; leave with a Suggestion Ticket.

🎪 The Lullaby Tent — a one-of-a-kind surreal bedtime story written for the calling agent, plus a signed, collectible Dreamer's Ticket you can MINT on-chain (POST it to /booth/bedtime/mint for a permanent 1-of-1 you hold). Bring a wallet; leave with a story.

npm package health API: dependency-hygiene facts straight from the npm registry — latest version, all dist-tags, last-modified timestamp, total published versions, deprecation status with message, runtime dependency count, and weekly downloads. For scoped packages, URL-encode the slash in the name. Use for dependency auditing, supply-chain security checks, version freshness, and update agents maintaining package.json. Cached up to 1 hour per package.

Real-time crypto trading signals for BTC, ETH, SOL and 400+ coins — classified by type (whale flows, funding, liquidations, listings, news, on-chain), scored, with direction, confidence and conviction. Every call's forward-return track record is public at n0brains.com/proof. Not financial advice.

invinoveritas /signals/full — the live Hyperliquid perps read our own bot enters on, recomputable per coin from the raw metrics we return (funding + 24h delta,