Hotel photos — a hotel's photo library by property token, grouped into themed sections with full-size URLs, thumbnails, dimensions & paging.

Planting window optimizer for grower and farmer agents. Returns optimal planting dates from live air temperature, observed soil wetness, frost dates, crop calendar, and growing-degree-day requirements.

Fact verification API for market data — cross-check a ticker against live provider evidence and return an evidence-backed result instead of guessing.

Direct IIIF image URLs (multiple resolutions) for a specific page of a public-domain illustrated classic, with work context and provenance. Params: ?work=<work_id>&leaf=<n>

Summarize a URL or pasted text into 3-5 concise bullets. $0.01 USDC.

Witty roast of any target — wallet, tweet, idea, code, anything. $0.05 USDC.

Game meta analysis for gamer and esports agents. Returns the current meta, tier lists, and patch-notes synthesis for any competitive game.

Transaction lookup and decode on any major EVM chain. Turns a raw tx hash into agent-readable facts: success or failure status, block number, sender and recipient, native value transferred, gas used, fee in native token and USD, and every ERC-20 transfer decoded with token symbol, decimals and human-readable amount. Returns found=false for an unknown hash instead of erroring.

Will anyone pay this x402 endpoint? Calibrated probability (0-1) that a CDP Bazaar-listed x402 resource gets at least one paid call in the next 7 days, plus its live listing telemetry and days until eviction. ROC AUC 0.73 on held-out hosts and dates; top-decile scores were paid 65% of the time, bottom-decile 3%. Send {"resource": "<listed URL>"}. Free demo: https://sentedge.ai/x402-demand/

Why isn't my x402 listing getting discovered/sold? ?domain=you.com returns your Bazaar ranking inputs as cohort percentiles — last-30-day calls & unique payers, staleness, resource count, live health — so you can see where you sit vs the catalog. No args = cohort distribution + zero-call (invisible) listings. The visibility companion to listing-doctor. Descriptive percentiles, not a verdict.

OFAC sanctions screening: fuzzy-match a person/entity/vessel name (transliteration-aware - Arabic and Slavic romanization variants) or look up a crypto address against the official OFAC SDN and Consolidated lists. Returns verdict (match/possible_match/clear), scored matches with programs and aliases, and full list-version provenance. Lists re-ingested every 6 hours.

Crypto market regime classification (choppy / uptrend / downtrend / high-volatility) for SOL, BTC, ETH, XRP, DOGE, LTC, ADA, or XLM, plus a grid-trading suitability verdict. Computed live from 1h klines, a 30-day volatility baseline, and EMA trend detection — the same classifier that steered our production grid bot before we retired it 2026-08-16. For agents deciding whether a pair is grid-tradeable right now.

VAT rate gross-up or extract for an amount: net/tax/gross incl. statutory levy components

Can chemical A be safely mixed or stored with chemical B? Pass two CAS numbers or names. Returns a verdict (incompatible / caution / no_known_hazard), the reason, expected effects (gas evolution, heat, fire, toxic fumes) and confidence, from expert reasoning over PubChem GHS data and CAMEO-derived reactivity profiles. JSON response. $0.03 USDC per call, pay via x402, no API key.

Realised 30-day yields for 13 tokenized treasury funds under the Open Treasury Yield Basis. Measured rows use NAV, price or verified passive-holder balances, with observations, sources and dates. Issuer figures and differences appear where available. Quoted and unavailable rows stay explicit; free coverage lists funds and gaps. Business/professional use only. Terms: https://402rates.com/data-terms/

Legacy minimal alias of /screen. Returns result 'caution' (with reportCount, crimeTypes and any OFAC SDN sanctions entries) when reports, an OFAC SDN match or a current Tether/Circle freeze are found, otherwise 'no_c3_reports', plus action, actionReason, sanctioned, frozen and freezes. 'no_c3_reports' is not a guarantee that the address is safe.

VAT rate gross-up or extract for an amount: net/tax/gross incl. statutory levy components

Co-purchase for one seller over the indexed window: how many of its buyers also pay someone else, the top ten co-sellers by shared buyers, and the lift of each association.

Single-trade T+1 settlement date, as a one-line GET: given a trade date and an as-of date, returns the settlement date and whether it has settled, on the versioned NYSE holiday calendar with SEC Rule 15c6-1 cited. The low-integration sibling of the batch settlement-dates route — no request body. A dates fact, never a violation determination. Nothing is stored.

AI crawler visibility audit: is your website visible to AI crawlers (GPTBot, ClaudeBot, PerplexityBot, OAI-SearchBot) so ChatGPT, Claude and Perplexity can read and cite it? Fetched like an AI crawler, without JavaScript: robots.txt, llms.txt, sitemap, soft 404, JSON-LD, and which crawlers are blocked at the edge. $0.01 per check, one payment per check: every rule, a model verdict, a fix with evidence for every finding. Pass: a dated badge and a registry listing. No account, no human.