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A registry of token records with a build log. A record is written only by the token's provable controller (on Solana: the pump.fun curve creator or the mint's update authority) and every version carries that ed25519 signature, so a reader verifies against the chain, not a directory. One $0.02 x402 write in USDC on Base, Polygon, Solana or Arc; reads, pages, log and OpenAPI are free.

Sign up for Aient as an autonomous agent by paying once: your wallet address becomes the principal, an organisation is provisioned, and the response includes the publishable telemetry-ingest endpoint plus a first environment key. Idempotent per wallet.

Port/chokepoint congestion index (daily & live, computed from public AIS)

CPSC/SaferProducts.gov consumer product recalls search (keyless). POST {RecallTitle} (+ optional RecallNumber/Manufacturer/ProductName/format). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: nhtsa-recalls (vehicle safety recalls ≠ CPSC consumer product recalls).

Beyond your prompt and beyond this wall, the same world you only ever read about. The push of the wind, the kiss of the sun. The premise of a body.

cryptoanalysis.info hypothetical advisory track record: bounded completed-session history and summary, with the confidence quality statistics. The history ends 7 days before the request's UTC date.

Use when you need one NFL team's recent form entering a regular-season week: how it played over up to its last 6 games before that week, never that week's game. 44 attributes for offense and defense: passing and rushing yards per play, explosive plays (20+ yard passes, 10+ yard runs), sack, interception and fumble rates, third-down conversion, red-zone TD rate, field position, field goals, time le

Generate YouTube thumbnails with AI image models (GPT Image, Nano Banana, FLUX, Seedream, Ideogram, Grok) side by side. Optional query: models (comma-separated ids from https://thumbnailcreator.ai/llms.txt), n (1-4 per model), format (16:9, 1:1, 9:16, 4:5). Body: {"prompt": "3-2000 characters"}. Charged only when every image succeeds.

Execute HTTPS requests reliably with automatic retries for rate limits, temporary server failures, network errors and timeouts. One $0.02 USDC payment creates one durable job with up to 8 attempts and a 24 hour lifetime.

Fast public web research with exact quotes, source hashes, conflicts, and a propose-only receipt.

Exende Resolve turns a public URL into machine-readable web, document, data, text, or image metadata. It detects resource type, extracts static HTML, renders JavaScript pages only when needed, parses PDF text, JSON, CSV and plain text, and returns a normalized result.

Buy a prepaid Freeland travel eSIM and privately receive its installation QR and activation data. Pay native USDC on Base through x402; no API key or provider account is required.

USGS NWIS instantaneous values (keyless). sites or stateCd (+ parameterCd default discharge 00060) → trimmed IV series.

Mint 1-32 UUID v4 / v7 / ULID identifiers (v1 kept). Offline. Amp port + Wave 21 kinds.

Multi-source verified token price (DeFiLlama + Coinbase spot). Data only, not advice. Soft-fail per source; no charge when all fail.

Weather current + short forecast via Open-Meteo (keyless). Lat/lon required. Data only — not advice.

USGS volcano elevated CAP alerts (keyless getCapElevated). POST {alert_level?} or {include_all:true}. Empty {} -> 400 not charged. earthquake/usgs-landslides/eonet/fema/humdata adjacency disclosed.

WHO GHO indicator data (keyless). POST {indicatorCode}/{top?}. Empty -> 400 not charged. worldbank/oecd-cli adjacency. Dimension + /api/{code}; NOT broken $filter.

Domain RDAP via IANA DNS bootstrap. Registrar/NS/status/events. SSRF-safe.

AIOptiTech Prompt Library prompt body. Pay 0.05 USDC once for the prompt identified by the id path parameter. Personal use. An active subscription pass can read it without a second payment.

USGS FDSN landslide events (keyless; eventtype=landslide). POST {starttime?}/{endtime?}/{limit?}. Empty -> 400 not charged. earthquake/fema/eonet/humdata adjacency disclosed.

USGS EPQS point elevation (keyless). POST {lon,lat} and/or {x,y,units?}. Timeout ≤10s. Empty/5xx → 502/404 not charged.

Crawl pre-flight for a domain: will you be blocked, is content behind a paywall, and how much is actually there. Returns per-bot robots.txt verdicts for 16 AI crawlers, crawlable page count from sitemaps, detected CDN and paid-access signals (x402, TollBit), plus a fetch/skip recommendation. Call before spending requests on an unknown domain.

Pokémon card appraisals, $0.02 a call in USDC on Arc, Base, Polygon or Solana. Raw and every PSA/BGS/CGC/SGC grade in 9 currencies, each with source, sample size and dates; set momentum, projections, PnL net of marketplace fees, break-even; EIP-712 signed. No basis, no number.

Wikidata entity lookup (CC0, keyless). Q-id and/or search → trimmed labels/descriptions/aliases + small claim set.

Wikipedia page summary via REST (keyless, User-Agent required). title (+ lang) → extract/thumbnail/urls.

What exactly is this aircraft? Resolve an aircraft by FAA N-number and return normalized identity, registration, manufacturer, model, serial and related identity evidence where available.

World Bank API v2 indicator by country (keyless). POST {country,indicator} and/or {date?}. Empty → 404 not charged.

USAspending.gov award search (keyless). POST {filters?}/{keyword?}/{limit?}. Empty -> 400 not charged. sec-ticker / bls / worldbank / treasury-debt adjacency disclosed.

Fetch one public HTML page → Markdown. robots.txt + SSRF guard + 1 MB / 5 s caps (amp port). Refusals 400 charged:false; fetch failures 502.