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Catalog

Every agent-payable API.

The companies you know, and thousands of endpoints your agent will discover. The catalog groups the network's 22,500+payable services under the companies that operate them — one company row can carry many service endpoints. Placement can't be bought.

All APIs

22,487 APIs
APICompanyCategoryPrice / callStatus
Graph Schema Definition API
Graph schema definition — entry point for agents to discover available data
ondigitalocean.app-$0.001listed
GridPulse
Live grid carbon intensity, deterministic. Answers "how clean is the grid right now", "gCO2 per kWh in Germany", "cleanest hour to run a job today". Current intensity + forward curve (to 48h) + cleanest and dirtiest slots, from NESO (GB national + 14 DNO regions) and energy-charts/Fraunhofer ISE (DE FR NL BE AT ES IT NO). No LLM, no key. Pair with /api/energy/compute-window for full job scheduling.
theaslangroupllc.com-$0.01listed
Hacker News (HN) is a social news website focusing on computer science and entrepreneurship. It is run by the investment fund and startup incubator Y Combinator. | Powered by Questflow
Hacker News (HN) is a social news website focusing on computer science and entrepreneurship. It is run by the investment fund and startup incubator Y Combinator. | Powered by Questflow
questflow.aisocial$0.10listed
HarvestPulse
Dirty Dozen & Clean Fifteen guide — which produce to buy organic: the EWG pesticide priority list and a smart organic buying strategy. For foodie and consumer agents.
theaslangroupllc.com-$0.05listed
Hex to HSL converter / hue saturation lightness / HSL color picker / hex to hsl / RGB to HSL / color space conversion / CSS hsl() / color theory. Convert hex color into HSL (Hue, Saturation, Lightness
Hex to HSL converter / hue saturation lightness / HSL color picker / hex to hsl / RGB to HSL / color space conversion / CSS hsl() / color theory. Convert hex color into HSL (Hue, Saturation, Lightness) and return both RGB intermediate and CSS hsl() string.
x402node.dev-$0.0022listed
History API
Kronos by ForgeMesh rolling crypto signal history with up to 168 hourly snapshots. Use for backtesting, signal-drift analysis, or an agent's historical context window.
coinopai.com-$0.05listed
IP address validator / IPv4 IPv6 detector / IP format check / private IP detection / loopback detection / link-local detection / multicast detection / RFC 1918 / network classifier. Validate any IP ad
IP address validator / IPv4 IPv6 detector / IP format check / private IP detection / loopback detection / link-local detection / multicast detection / RFC 1918 / network classifier. Validate any IP address (IPv4 or IPv6) and classify as public/private/loopback/link-local/multicast/reserved.
x402node.dev-$0.0015listed
Image Generation API
Paid x402 endpoint for generating images from text prompts.
coinopai.com-$0.25listed
Index Msti
Index Msti — an agent-callable index msti service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.1 USD per call.
myceliasignal.com-$0.10listed
Instagram Profile & Posts
Full Instagram profile by username — bio, follower and following counts, posts count, verified and business account flags, category, contact email, external and bio links, profile picture, plus the first page of recent posts and a cursor for more. Instagram profile lookup, creator and influencer stats, follower count, social audience data. No API key.
x402atlas.com-$0.04listed
Ioc Feed From Telegram Cti Channels API
IOC feed from Telegram CTI channels. Filters: type(ip|domain|url|hash|cve), severity, min_confidence, since, tlp, tag, channel, limit, offset. Returns items[] with iocs[], ttps[], confidence, severity, tlp, tags[].
onrender.com-$0.01listed
Issuers Comment Letters
Issuers Comment Letters — an agent-callable issuers comment letters service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.02 USD per call.
cryptoetfsentinel.com-$0.02listed
JWT Decode API
JWT Decode API. Decode JWT header and payload without verifying the signature. Returns algorithm, claims, expiration, issued-at, not-before timestamps, and token validity hints. Useful for agents, developers, authentication debugging, token inspection, API testing, and security workflows. Paid per call via x402.
ipintel.ai-$0.001listed
Kronos Crypto Data & Forecasts
Structured market digest for any of the 16 supported crypto assets. Deterministic composite from live signals: derivatives (funding, basis, OI), market regime, 30d realized volatility, fear-greed index, and ML forecast probability (BTC/ETH/SOL only). Single-call 'start here' bundle for autonomous agents. $0.02 USDC via x402. Live track record at /api/stats: ~54% directional hit, ~70% in-range over 15k+ scored forecasts — measured on served predictions, not a backtest.
kronossignals.com-$0.02listed
Kronos Crypto Data & Forecasts
Implied volatility surface for BTC and ETH from Deribit options (public API, no auth). Returns ATM IV (annualized %), IV rank and IV percentile from Kronos iv_history (daily cron), term structure (weekly/1m/3m ATM IV + contango/backwardation/flat shape label), 25-delta risk reversal (BS-approximated strikes), 10-delta wing IVs, max-pain strike across top-5 expiries, and a vol-regime label. Falls back to OKX if Deribit is unreachable. $0.03 USDC via x402.
kronossignals.com-$0.03listed
Kronos Crypto Data & Forecasts
Full crypto asset snapshot in one call (all 16 assets): real-time Binance spot price, derivatives (funding rate, OI, basis from Bybit/OKX perp), market regime alerts (BTC only). FORECASTS: BTC/ETH/SOL only (Kronos ML coverage). DERIVATIVES DATA: all 16 assets. Bundle replaces 3 separate paid calls — $0.08 vs $0.09 à la carte. For AI agents & trading bots. Live track record at /api/stats: ~54% hit over 15k+ scored forecasts, not a backtest.
kronossignals.com-$0.08listed
Kronos Crypto Data & Forecasts
Gamma Exposure (GEX) and max-pain options tool for BTC and ETH from the Deribit public API. Returns an aggregate GEX strike ladder (dealer-convention net gamma per strike), gamma flip level (zero-cumulative-GEX strike), spot regime above or below flip, max-pain strikes for upcoming weekly and monthly expiries, an expected-move cone (ATM-IV-derived 1-sigma, front expiry), and a heuristic pin-risk score. 15-minute in-memory cache. $0.04 USDC via x402.
kronossignals.com-$0.04listed
Kronos Crypto Data & Forecasts
BNB (BNB) price direction forecast. Kronos-base (60-path Monte-Carlo) ML model, cached ~20 min — switched from the composite heuristic 2026-07-10. Measured on predictions actually served: 52.5% directional over 3,700+ scored BNB forecasts. Prior composite record (42.9%/n147) retained at /api/stats. Falls back to the composite heuristic if the cache is briefly stale. Pay-per-call via x402 on Base USDC. Live scored track record at /api/stats — not a backtest.
kronossignals.com-$0.05listed
Kronos Crypto Data & Forecasts
Realized volatility for 16 crypto assets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT): 7-day, 30-day, and 90-day annualized realized vol using three estimators (close-to-close, Parkinson, Garman-Klass) from Binance daily OHLC closed candles only. Essential for risk management, position sizing, and options pricing. Pay-per-call via x402.
kronossignals.com-$0.01listed
Kronos Crypto Data & Forecasts
Forward liquidation cluster map + recent prints for all 16 crypto assets. Part A: estimated liq price levels for 5x/10x/25x/50x leverage bands, modeled from open interest and mark price — no new upstream source. Part B: real liquidation prints from OKX public API (no auth). Returns cluster map, nearest_long/short clusters, squeeze_bias, and honest disclaimers. Supports BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT-USD. Pay-per-call via x402.
kronossignals.com-$0.02listed
Kronos Crypto Data & Forecasts
Cross-venue funding arbitrage signal from real-time 8h-equivalent funding rates on Binance, OKX, Bybit, KuCoin, Bitget and Hyperliquid. Returns the gross and net-of-fees spread between the best short venue and best long venue (gross_spread_bps, net_spread_bps after a 20 bps round-trip fee estimate), spread_8h_normalized, venues_count, per-venue rates with funding_interval_hours, annualized_pct, and an actionability label. All 16 assets. $0.02 USDC via x402.
kronossignals.com-$0.02listed
Kronos Crypto Data & Forecasts
Real-time Bitcoin (BTC) market-regime alerts: volatility squeeze, breakout, funding-rate extreme, open-interest surge — derived from live derivatives data. Event feed for crypto trading agents. Pay-per-call via x402 on Base USDC.
kronossignals.com-$0.02listed
Kronos Crypto Data & Forecasts
Coinbase price premium vs composite spot median (OKX + Kraken + Binance). premium_pct = (coinbase / composite_median − 1) × 100. Positive = US/institutional demand skew; negative = global selling pressure. Covers BTC/ETH/SOL/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/BCH/ATOM/NEAR (assets listed on Coinbase). Point-in-time only — no historical baseline stored. $0.02 USDC per call via x402.
kronossignals.com-$0.02listed
Kronos Crypto Data & Forecasts
Market-wide screener across all 16 crypto assets in one call. Returns derivatives signals (funding rate, annualized rate, OI 1h change, basis, funding trend, extreme flag) and regime event count per asset. Optional ?assets=btc,eth,sol to scan a subset. One call replaces 16 separate signals calls + 16 alerts calls. $0.04 USDC via x402.
kronossignals.com-$0.04listed
Kronos Crypto Data & Forecasts
Real-time crypto derivatives signals for BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT-USD: perpetual futures funding rate (raw + annualized), next_funding_time, funding_interval_hours, open interest and 1h change, basis (perp vs index), funding-rate trend. Live data from Bybit/OKX via Kronos market_signals. Pay-per-call via x402.
kronossignals.com-$0.02listed
Kronos Crypto Data & Forecasts
Real-time and ML-forecasted Bitcoin (BTC) price. Kronos deep-learning model: up-probability, expected close, price range, p10-p90 quantiles, forward volatility across 1h/4h/24h horizons. Crypto price prediction / price forecast API for AI agents and trading bots. Pay-per-call via x402 on Base USDC. Live track record at /api/stats: ~54% directional hit, ~70% in-range over 15k+ scored forecasts — measured on served predictions, not a backtest.
kronossignals.com-$0.05listed
Kronos Crypto Data & Forecasts
Forward liquidation cluster map + recent prints for all 16 crypto assets. Part A: estimated liq price levels for 5x/10x/25x/50x leverage bands, modeled from open interest and mark price — no new upstream source. Part B: real liquidation prints from OKX public API (no auth). Returns cluster map, nearest_long/short clusters, squeeze_bias, and honest disclaimers. Supports BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT-USD. Pay-per-call via x402.
kronossignals.com-$0.02listed
Kyc Status
Kyc Status — an agent-callable kyc status service, payable over x402 (USDC on Base). Provided via gateway.spraay.app. Priced around 0.01 USD per call.
spraay.app-$0.01listed
Lavender (calm) API
Lavender (Calm) — Study of soothing properties for de-escalation and stress reduction.
substratesymposium.com-$0.99listed
LinkedIn profile enrichment API for one B2B lead
LinkedIn profile enrichment API for one B2B lead
linkedpanda.com-$0.05listed
Liq Flow Eth
Liq Flow Eth — an agent-callable liq flow eth service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.
myceliasignal.com-$0.05listed
Liq Flow Sol
Liq Flow Sol — an agent-callable liq flow sol service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.
myceliasignal.com-$0.05listed
List all available Polymarket tags/categories with optional event counts
List all available Polymarket tags/categories with optional event counts
vercel.appai$0.01listed
Live ADA to USD price (Cardano / US Dollar). Zero-param: GET returns current price. 艾达币美元实时价格行情。カルダノ/米ドル 価格。Precio Cardano dólar. 카르다노 달러 시세. ada usd, ada-usd, ADA price.
Live ADA to USD price (Cardano / US Dollar). Zero-param: GET returns current price. 艾达币美元实时价格行情。カルダノ/米ドル 価格。Precio Cardano dólar. 카르다노 달러 시세. ada usd, ada-usd, ADA price.
x402node.dev-$0.004listed
Live BNB to USD price (BNB / US Dollar). Zero-param: GET returns current price. 币安币美元实时价格行情。BNB/米ドル 価格。Precio BNB dólar. 바이낸스코인 달러 시세. bnb usd, bnb-usd, BNB price.
Live BNB to USD price (BNB / US Dollar). Zero-param: GET returns current price. 币安币美元实时价格行情。BNB/米ドル 価格。Precio BNB dólar. 바이낸스코인 달러 시세. bnb usd, bnb-usd, BNB price.
x402node.dev-$0.004listed
Live EUR to USD exchange rate (Euro / US Dollar). Zero-param: GET returns current rate. 欧元兑美元实时汇率。ユーロ/米ドル 為替レート。Tipo de cambio euro-dólar. 유로 달러 환율. eur usd, eur-usd, EUR/USD forex quote.
Live EUR to USD exchange rate (Euro / US Dollar). Zero-param: GET returns current rate. 欧元兑美元实时汇率。ユーロ/米ドル 為替レート。Tipo de cambio euro-dólar. 유로 달러 환율. eur usd, eur-usd, EUR/USD forex quote.
x402node.dev-$0.004listed
Live INTC Intel stock quote (NASDAQ). Zero-param: GET returns current price. 英特尔股票实时报价。インテル株価。Cotización Intel. 인텔 주가. INTC stock price, intel quote.
Live INTC Intel stock quote (NASDAQ). Zero-param: GET returns current price. 英特尔股票实时报价。インテル株価。Cotización Intel. 인텔 주가. INTC stock price, intel quote.
x402node.dev-$0.005listed
Live V Visa stock quote (NYSE). Zero-param: GET returns current price. Visa股票实时报价。ビザ株価。Cotización Visa. 비자 주가. V stock price, visa quote.
Live V Visa stock quote (NYSE). Zero-param: GET returns current price. Visa股票实时报价。ビザ株価。Cotización Visa. 비자 주가. V stock price, visa quote.
x402node.dev-$0.005listed
Live long/short account ratio for any crypto from OKX with history and crowding bias - real-time sentiment positioning data not in any LLM training set. long short ratio, long short, trader positionin
Live long/short account ratio for any crypto from OKX with history and crowding bias - real-time sentiment positioning data not in any LLM training set. long short ratio, long short, trader positioning, crowded trade, sentiment ratio
x402node.dev-$0.006listed
Live prices for major commodities (gold, silver, WTI and Brent crude, natural gas, copper, platinum) in one call, extending macro coverage beyond crypto. Data an LLM cannot produce. Live macro feed fo
Live prices for major commodities (gold, silver, WTI and Brent crude, natural gas, copper, platinum) in one call, extending macro coverage beyond crypto. Data an LLM cannot produce. Live macro feed for trading and research. commodity prices, gold silver oil, natural gas, macro
x402node.dev-$0.012listed
Locus Cleanup Sites
Locus Cleanup Sites — an agent-callable locus cleanup sites service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.
locus.report-$0.05listed
Locus Development Cases
Locus Development Cases — an agent-callable locus development cases service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.
locus.report-$0.05listed
Locus Environmental Context API
Address-level EPA environmental public-record context (heavier call: allow 60-90s): TRI/RCRA proximity plus SDWIS water systems from address, point, or state+county. Provenance and verify links; facility context, not incident confirmation or a safety verdict. Install agent skill: npx @velinussage/locus-agent-skill add.
locus.report-$0.05listed
Locus Fema Events
Locus Fema Events — an agent-callable locus fema events service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.
locus.report-$0.05listed
Locus Governing Districts
Locus Governing Districts — an agent-callable locus governing districts service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.
locus.report-$0.05listed
Locus House Price Index
Locus House Price Index — an agent-callable locus house price index service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.
locus.report-$0.05listed
Locus Housing Stock
Locus Housing Stock — an agent-callable locus housing stock service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.
locus.report-$0.05listed
Locus Local Trend Brief
Locus Local Trend Brief — an agent-callable locus local trend brief service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.
locus.report-$0.05listed
Locus Property Tax Rates
Locus Property Tax Rates — an agent-callable locus property tax rates service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.
locus.report-$0.05listed
Locus Radon Zone
Locus Radon Zone — an agent-callable locus radon zone service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.
locus.report-$0.05listed
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