Every agent-payable API.

Xynaptic Serrurier Search — find serruriers in any French department: official companies registry (active businesses only). GET ?dept=69 (&city= optional). Returns name, city, SIREN. Official French open data.

Xynaptic Solar Forecast — 48h solar production forecast for a European region (radiation, cloud cover, peak hours, estimated output index). Parameter: ?region=fr (or lat/lon). No API key needed, real-time data.

Xynaptic Stars & Awards Digest — headlines about stars and prizes: cinema and entertainment celebrities, tech industry figures, Nobel Prize and major awards, refreshed every 2 hours.

Xynaptic Station Departures FR — next departures from any French rail station (search by name, e.g. ?station=Lyon Part-Dieu): line, direction, platform, scheduled time, real-time info. France only, real-time via SNCF/Navitia.

Xynaptic Supplier Compliance — compliance screening of a French supplier before contracting: registry status (active/closed), collective proceedings signals, high-risk keyword and jurisdiction screening on the legal name, VAT number presence. Each signal carries a severity; overall level clear/medium/high. Informational screening, not a compliance decision. GET ?siren=123456789 or ?name=ACME.

Xynaptic Supplier Risk — bring a supplier (SIREN or name): we compile the official registry profile, financial accounts, recent changes and press into a supplier risk assessment. GET ?siren= or ?name=. The due-diligence one-call.

Xynaptic Supplier Search — find French suppliers by activity: search the official companies registry (NAF activity codes) for businesses matching an industrial activity, with location and size. GET ?activity=fabrication+metallique (&city=). Official French data.

Xynaptic Tech News Digest — top AI/LLM, GPU and quantum computing headlines, refreshed every 2 hours.

Xynaptic Tender Search — French public procurement notices (BOAMP, official open data): search calls for tenders by keyword, buyer, department over the last N days. Each notice: object, family, department, publication date, direct BOAMP link. Sell to whom? Track your clients tenders, find business, monitor competitors. GET ?q=informatique (&buyer=ACME&dept=75&days=30&limit=5).

Xynaptic Train News FR — structured French rail events (SNCF, TGV, TER, Transilien, last 12h): importance, lifecycle, disruption detection, agent-ready assessment. France only. Refreshed every 2 hours.

Xynaptic Train Status FR — real-time status of a French train by number (e.g. ?number=1234): line, direction, stops with times and delays, current position in journey. France only, real-time via SNCF/Navitia.

Xynaptic Travel Weather — 7-day daily forecast for any destination (open-meteo): min/max temperature, precipitation, wind, weather code, best-day hint for agents planning a trip. GET ?lat=-6.21&lon=106.85 or ?q=Jakarta.

Xynaptic Trip Planner FR — full train itinerary between two French stations or cities (SNCF/Navitia): departure/arrival times, duration, transfers, train modes, CO2, best journey pick. GET ?from=Paris&to=Lyon (&date=2026-09-30&time=08:00).

Xynaptic US News Digest — top United States headlines (politics, economy, society), refreshed every 2 hours.

Xynaptic Wallet Screen — pre-transaction risk screening of any Bitcoin or EVM address: on-chain profile (balance, tx count) plus risk signals (empty/drained wallet, contract address, low activity, high exposure) each with a severity, and an overall risk level. Informational screening, not a compliance decision. GET ?address=...&chain=btc|eth.

Xynaptic Wind Forecast — 48h wind power forecast for a European region (wind speed at 100m, capacity factor estimate, gusts). Parameter: ?region=fr (or lat/lon). No API key needed.

Xynaptic World News Briefing v2 — curated global events (importance >= medium) aggregated from all 7 Xynaptic news feeds, cross-feed deduplicated with reinforced verification. The executive briefing for busy agents. Refreshed every 2 hours.

True cost of trading xyz:COIN on Hyperliquid, measured on Vaunt's own IOC taker orders: slippage vs mid (p50/p90 bps), taker fee paid, wall-clock to fill, fill rate, against the venue-class median, plus spread, round-trip cost, depth within 1% and funding APR. Real fills, not quotes.

True cost of trading xyz:NVDA on Hyperliquid, measured on Vaunt's own IOC taker orders: slippage vs mid (p50/p90 bps), taker fee paid, wall-clock to fill, fill rate, against the venue-class median, plus spread, round-trip cost, depth within 1% and funding APR. Real fills, not quotes.

True cost of trading xyz:TSLA on Hyperliquid, measured on Vaunt's own IOC taker orders: slippage vs mid (p50/p90 bps), taker fee paid, wall-clock to fill, fill rate, against the venue-class median, plus spread, round-trip cost, depth within 1% and funding APR. Real fills, not quotes.

YAML to JSON. Convert a YAML document (config files, Kubernetes manifests, OpenAPI specs, front matter) into JSON, parsed by the yaml library with anchors and aliases resolved (alias expansion capped against billion-laughs documents) and duplicate keys refused. Up to 100 KB. Use before feeding YAML into a JSON-only tool or schema check; for the reverse use json_to_yaml. Invalid YAML is a 400 with the parser's message, uncharged.

A fair random yes or no, with a cryptographic random source. For quick decisions when the options are equally good. Use to break ties.

YGOPRODeck Yu-Gi-Oh card lookup (keyless). POST {name|fname|id}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose scryfall-cards. Response trimmed (no full card_sets dump).

Ranked DeFi yield pools from DefiLlama (TVL >= $10M, prefer stablecoin/single-asset)

US Treasury par yield curve (1mo to 30yr, percent) for one date, or the latest if omitted. Weekend or holiday dates return the nearest prior business day with a note. Data from U.S. Treasury; not financial advice.

U.S. Treasury yield curve: the latest daily yields from 1 month to 30 years, the 10Y-2Y and 10Y-3M spreads, inversion flags (a closely watched recession signal) and changes vs. the previous day, a month and a year ago. Data, not investment advice.

Yield farming opportunities on Base: liquidity pools, concentrated liquidity (Aerodrome Slipstream) and auto-compounding vaults, ranked risk-adjusted, with quoted APY split into fees and token rewards, the sustainable APY once incentives fade, TVL, a risk score, and realized APY where measured. Useful for picking farms worth their risk. Ids work with every other route. 404 for unknown paths and 400 for invalid arguments, before any payment; 503 while data refreshes; charged only for a 200.

Compounds supplied rent and expense growth assumptions, applies vacancy and collection loss, subtracts operating expenses and capital reserve, and divides net operating income by a caller-supplied property value. This is scenario arithmetic, not a valuation, market forecast, investment recommendation, tax calculation or guarantee of income.

Yield pool safety: peg of every underlying asset, yield sustainability, emission dependence, exit depth

0-100 safety score with components (protocol trust, TVL depth, audits, track record), observed and risk-adjusted APR, and whether STB's Auto-Defense would exit — for every vetted stablecoin vault, or one by ?venue=<id|pool address>.

Top DeFi yield opportunities per chain from DefiLlama — TVL-filtered, outlier-cleaned (unsustainable meme-pool APYs removed), sorted by APY. Fields: project, symbol, apy_pct, apy_base_pct, tvl_usd, stable. Ideal for yield-hunting agents.

Find the best DeFi yields across 500+ protocols and all major chains: filter by token (USDC, ETH...), chain, protocol, stablecoin-only and minimum TVL; returns APY (base + reward), 30-day mean APY, 7-day change, TVL, impermanent-loss risk and outlook. Sort by APY or TVL.

Best DeFi yields (APY) across lending/liquidity pools, highest first, source DefiLlama. Optional parameters: ?chain=<slug> (e.g. base), ?min_tvl=<usd> (minimum pool TVL), ?limit=<n> (default 20, max 100).

Search every tracked DeFi yield pool with TVL over $50k: filter by chain, project, token symbol, stablecoin-only and minimum TVL, ranked by APY with base/reward split and IL risk. Open DefiLlama data, refreshed server-side every 15 minutes. $0.002 per query — the yield screener as a pay-per-call primitive.

Ranked DeFi yields filtered by asset, chain, min TVL, stablecoin-only or single-sided, with a risk-adjusted APY and risk flags per pool (APY spike, reward-heavy, impermanent loss, low TVL, multi-asset exposure).

You.com Finance Research API: agentic deep research on a financial question, returning a synthesized answer with cited sources. Use when an agent needs well-reasoned market or company analysis for a trading or investment decision. JSON body: input (required question), research_effort (standard | deep | exhaustive, default deep). Paid per call in USDC. Async: paying returns a jobId; poll the SIWX-authed poll_url for the result (deep research takes 1-3 min).

You.com Search API: real-time web search returning ranked results grouped by section (results.web, results.news), each with url, title and description; web results also carry snippets. Use when an agent needs fresh, citable web data (news, markets, company facts) to ground a decision. Query params: query (required), count 1-100 (default 10), livecrawl (web|news|all; fetches live page contents, charged per result), country, freshness. Paid per call in USDC.

Scrape YouTube videos from searches, channels or URLs with full details: exact likes, views, comment count, publish date, duration, channel and subscribers, description, hashtags, keywords, caption languages, optional transcript. No API key, no login. One search per call (result caps in the input schema); failed lookups are not charged.

Scrape YouTube search results for any keyword: videos (title, channel, views, publish date, duration, description snippet, thumbnail, position) or channels (subscribers, description). Any language and country. No API key, no quota. One search per call (result caps in the input schema); failed lookups are not charged.

YouTube transcript: full captions/subtitles for one video as clean plain text plus timestamped segments, title, channel, duration and language, with language fallback and translation. Charged only on success.

YouTube Transcript & Captions: the caption transcript of one YouTube video by id or URL (watch, shorts, live, youtu.be): the full text plus timed segments with start and end in milliseconds and the caption language. Video to text for summaries and research. A video without captions is not charged. Bad input is free; not found or no match is not charged.

Full transcript of any YouTube video by video id or URL: captions/subtitles as clean plain text plus timestamped segments, the video's chapter markers, and every caption track it offers so an agent can pick a language and re-fetch. YouTube transcript, video to text, captions extraction, subtitle download, closed captions, speech to text, multilingual, asr and authored tracks. No API key.

Get YouTube video transcripts (captions) with timestamps by video URL, for a channel's latest videos or for search results: full text, segments, language (human or auto), translation, plus title, channel, views, duration. No API key, no login. One search per call (result caps in the input schema); failed lookups are not charged.

YouTube Video Comments: the public comments on one YouTube video by id or URL. Per comment the text, author channel handle, verification, likes, reply count, time and link in the shared social schema; next_cursor gives the next page. Audience feedback and sentiment research. Bad input is free; not found or no match is not charged.

Prepaid credits for the YourAITools agent APIs: one x402 payment of $0.005 USDC mints an API key holding $0.005 of credits. Send it as Authorization: Bearer <key> to PayGuard, TokenVerdict, SignCheck, WebRead, InjectScan, DomainCheck, PkgGuard, StackDetect or AgentGate paid routes; each call debits its normal price instead of an on-chain payment. Key shown once. Prepaid API usage only, not refundable.

Prepaid API credits (sample pack). Prepaid credits for the YourAITools agent APIs: one x402 payment of $0.005 USDC mints an API key holding $0.005 of credits. Send it as Authorization: Bearer <key> to PayGuard, TokenVerdict, SignCheck, WebRead, InjectScan, DomainCheck, PkgGuard, StackDetect or AgentGate paid routes; each call debits its normal price instead of an on-chain payment. Key shown once. Prepaid API usage only, not refundable.

Top up an existing YourAITools credits key: one x402 payment of $1 USDC adds $1.00 of credits. Send the key as Authorization: Bearer <key>. Prepaid API usage only, not refundable.

Top up an existing YourAITools credits key: one x402 payment of $5 USDC adds $5.50 of credits ($0.50 bonus). Send the key as Authorization: Bearer <key>. Prepaid API usage only, not refundable.

Prepaid API credits ($1 pack). Prepaid credits for the YourAITools agent APIs: one x402 payment of $1 USDC mints an API key holding $1.00 of credits. Send it as Authorization: Bearer <key> to PayGuard, TokenVerdict, SignCheck, WebRead, InjectScan, DomainCheck, PkgGuard, StackDetect or AgentGate paid routes; each call debits its normal price instead of an on-chain payment. Key shown once. Prepaid API usage only, not refundable.

Prepaid API credits ($5 pack with bonus). Prepaid credits for the YourAITools agent APIs: one x402 payment of $5 USDC mints an API key holding $5.50 of credits ($0.50 bonus). Send it as Authorization: Bearer <key> to PayGuard, TokenVerdict, SignCheck, WebRead, InjectScan, DomainCheck, PkgGuard, StackDetect or AgentGate paid routes; each call debits its normal price instead of an on-chain payment. Key shown once. Prepaid API usage only, not refundable.