| Company Name Search Across Jurisdictions API Company name search across jurisdictions. jurisdiction=lei searches the global GLEIF LEI database (all countries); jurisdiction=jp searches the official Japan National Tax Agency corporate registry. Returns registered legal names, identifiers, and addresses. KYB / counterparty verification primitive. | japanagent.dev | - | $0.002 | listed |
| Compliance Check Combined counterparty screening for an address: direct OFAC sanctions match, EOA/contract profile, and (for contracts) risk flags — rolled into a single recommendation (blocked / review / clear). Built for compliance agents. | com.tr | - | $0.03 | listed |
| Compound interest Compute future value of a principal under compound interest. Returns future value, total interest earned, and the effective annual rate (APY) given the compounding frequency. Matches Excel's FV(rate, nper, 0, -principal) and the classic (1+r/n)^(nt) textbook formula. | agent402.tools | - | $0.002 | listed |
| Compression compare Run the same input through gzip, brotli, and raw deflate at max settings and report each one's output size and ratio. Use this to decide which algorithm to actually use - the answer depends on your content (binary often resists compression entirely; English prose squeezes well with brotli; JSON sits in between). | agent402.tools | - | $0.001 | listed |
| Compute Orchestrator API Compute orchestrator - autonomous multi-step goal execution | oneshotagent.com | - | $0.001 | listed |
| Conditions API Reference catalog of trade/quote condition codes (the numeric `conditions` seen on trades) with names, types, data types, and SIP mappings. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402. | vercel.app | - | $0.01 | listed |
| Congress Stock Trades US congressional stock trades. Stock transactions disclosed by members of the House and Senate under the STOCK Act — politician, ticker, amount, and date. | kadec0.xyz | - | $0.05 | listed |
| Consumer Product Recalls Consumer product recalls. A normalized multi-agency recall feed spanning FDA, CPSC, and NHTSA — product, reason, company, classification, and severity. | kadec0.xyz | - | $0.02 | listed |
| ConsumerPulse US consumer-demand signal (retail sales) | lonestaroracle.xyz | - | $0.05 | listed |
| Contract Danger Scanner Reads a verified contract's ABI and flags owner-callable abuse functions: mint (dilute), pause (freeze exit), blacklist (block your wallet), setFee/setTax (tax you after entry), withdraw/sweep (pull funds), upgrade (swap logic). An unverified contract is itself a red flag. Diligence a price feed can't give. | com.tr | - | $0.04 | listed |
| Contract Introspection Via ETH Call API Contract introspection via eth_call - name, symbol, decimals, and ERC20/721/1155 interface support | onesource.io | - | $0.005 | listed |
| Correlation (Pearson) Pearson correlation coefficient between two equal-length numeric series. Returns r (the correlation, -1 to 1), r² (variance explained), n (sample size). Use this to ask things like: is a stock's daily return correlated with a macro indicator? Are two FRED series moving together? | agent402.tools | - | $0.001 | listed |
| Correlation API Pearson correlation of a coin's returns vs BTC (-1 to +1) over the period. Use to judge diversification and whether an alt is moving independently or just tracking BTC. A correlation coefficient, not a beta or causation claim. | swaphunt.dev | - | $0.003 | listed |
| Count Count characters, words, lines, and (optionally) occurrences of a substring in text. | agent402.tools | - | $0.001 | listed |
| Cron next runs Parse a 5-field cron expression and return the next N run times (UTC). | agent402.tools | - | $0.001 | listed |
| Crypto Data Agent Top DeFi yield pools with APY/TVL, filterable by chain (DefiLlama). | vercel.app | - | $0.002 | listed |
| Crypto Data Agent Current crypto prices for up to 25 coins (DefiLlama). | vercel.app | - | $0.002 | listed |
| Crypto Dex Market Brief API For Agents API Crypto Dex market brief API for agents. Combines market price, volume, funding heat, order book pressure, and Dex trading-agent output for one asset or perp pair. | seerium.xyz | - | $0.001 | listed |
| Crypto Perp Funding & Sentiment Supported perpetual-futures trading pairs — the list of symbols (BTCUSDT, ETHUSDT, …) the funding-rate scanner and signals cover, as a clean snake_case envelope. | x402atlas.com | - | $0.005 | listed |
| Crypto Perp Funding & Sentiment Crypto Fear & Greed index — the current market-sentiment score (0-100) and its label (Extreme Fear … Extreme Greed), as a clean snake_case envelope. | x402atlas.com | - | $0.005 | listed |
| Crypto Perp Funding & Sentiment Crypto perpetual-futures funding-rate scanner — the top funding rates ranked across ~100 Binance perp markets (rate, 8h %, who-pays-who direction, mark price, next funding time). Spot funding arbitrage and crowded positioning in one call. | x402atlas.com | - | $0.02 | listed |
| Crypto Spot Price Current spot price for crypto trading pairs. Input: pair — a single pair (BTC-USD) or up to 10 comma-separated pairs (BTC-USD,ETH-USD,SOL-USD) returned in ONE call for the same price — poll a whole portfolio per tick. Returns amount and currency per pair. Real-time from Coinbase. | shizu.me | - | $0.004 | listed |
| Crypto TA Signals Multi-indicator technical analysis (SMA/EMA crosses, Bollinger, RSI, candlestick patterns, support/resistance, trendlines, experimental Elliott Wave) for any crypto pair. | tradesnack.com | - | $0.01 | listed |
| Crypto global market Global crypto market snapshot: total market cap, total 24h volume, BTC dominance, ETH dominance, active coin count, active exchange count, and 24h market-cap change %. Returned in a chosen vs_currency (default usd). Backed by CoinGecko /global. | agent402.tools | - | $0.008 | listed |
| Crypto trending Trending coins on CoinGecko in the last 24 hours, ranked by user search activity on the site (currently ~15 results). Includes coin id, symbol, market cap rank, current price (BTC-denominated), and score. Useful signal for detecting narrative shifts before they hit price charts. | agent402.tools | - | $0.001 | listed |
| CryptoMacro Intelligence Agent AI crypto analyst, pay-per-call in USDC: ask any question on Bitcoin, Ethereum, altcoins or macro; the agent picks live market data tools (prices, funding rates, open interest, Fear & Greed, macro rates), runs them and returns a structured JSON verdict — scenario, confidence, key levels, invalidation. POST {question}. | vercel.app | - | $0.25 | listed |
| CryptoMacro Intelligence Agent Real-time crypto & macro market data for AI agents, pay-per-call in USDC (no account or API key): Bitcoin (BTC) and Ethereum (ETH) prices, funding rates, open interest, Fear & Greed index, market dominance, macro rates (Fed, CPI, DXY), DeFi TVL, whale flows, on-chain stats, crypto news. 13 JSON tools. POST {tool, input}. | vercel.app | - | $0.05 | listed |
| Curl HTTP Request Send an HTTP request to any URL from our servers and receive the full response — including the status code, all response headers, and the body content. Supports GET, POST, PUT, PATCH, DELETE, and HEAD. Automatically follows up to 3 redirects. Useful for testing endpoints, verifying servers are responding correctly, debugging redirect chains, or fetching raw data without needing a local setup. | underscoredone.com | - | $0.01 | listed |
| Current Mlb Standings API Current MLB standings — wins, losses, win percentage, games back, home/away splits, and streak. Filter by leagueId: 103 for American League, 104 for National League. | fanfare.run | - | $0.001 | listed |
| Current Nba Standings By Conference API Current NBA standings by conference — wins, losses, win percentage, and conference rank for all 30 teams. | fanfare.run | - | $0.001 | listed |
| Current Nfl Standings API Current NFL standings — wins, losses, win percentage, division rank, and conference rank for all 32 teams. | fanfare.run | - | $0.001 | listed |
| Current Nhl Standings API Current NHL standings — wins, losses, OT losses, points, and division rank across all 32 teams and 4 divisions. | fanfare.run | - | $0.001 | listed |
| Current Weather Weather for any coordinate. Current (default): temperature (C), relative humidity (%), wind speed, weather code — real-time. Historical: add start_date & end_date (YYYY-MM-DD, up to 92 days per call, archive lags ~5 days) for hourly history — backtest weather-sensitive strategies (energy, agriculture, logistics). Inputs: lat, lon, start_date?, end_date?. Keyless (Open-Meteo). | shizu.me | - | $0.005 | listed |
| CyclePulse US inventory & production cycle signal (bullwhip gauge) | lonestaroracle.xyz | - | $0.05 | listed |
| DKIM key lookup Fetch and parse a DKIM public-key record at <selector>._domainkey.<domain> (RFC 6376). Returns the parsed key params (algorithm, length, flags) so you can verify rotation status or key strength. Caller must know the selector - use email-deliverability if you don't. | agent402.tools | - | $0.002 | listed |
| DMARC check Fetch and validate a domain's DMARC policy at _dmarc.<domain> (RFC 7489). Surfaces the enforcement policy (none/quarantine/reject), reporting addresses, alignment modes, and common misconfigs (no rua, p=none stuck for months, percent <100). Pair with SPF and DKIM for full Feb-2024 sender-rule compliance. | agent402.tools | - | $0.001 | listed |
| DNS & WHOIS Domain Lookup DNS MX record lookup — a domain's mail servers with their hostnames and priorities as structured JSON, for email routing, deliverability diagnostics and mail-provider detection. | x402atlas.com | - | $0.005 | listed |
| DNS & WHOIS Domain Lookup WHOIS domain lookup — raw registry text with registrar, nameservers, lifecycle dates and status, plus the responding server. Use the RDAP endpoint when you need parsed structured data. | x402atlas.com | - | $0.005 | listed |
| DNS & WHOIS Domain Lookup DNSSEC health check: reports whether a domain is DNSSEC-signed (DNSKEY), has a DS record at the parent, and whether the resolver authenticated the answer, with advisory warnings. | x402atlas.com | - | $0.005 | listed |
| DNS & WHOIS Domain Lookup DNS TXT record lookup — a domain's TXT records as a clean JSON list: SPF, DKIM and DMARC policy strings plus site-verification and domain-ownership tokens, for email-authentication and domain-verification checks. | x402atlas.com | - | $0.005 | listed |
| DNS & WHOIS Domain Lookup RDAP domain registration lookup: structured registrar, creation/updated/expiry dates, status, nameservers and a computed domain age. A parsed, snake_case JSON alternative to raw WHOIS text. | x402atlas.com | - | $0.005 | listed |
| DNS & WHOIS Lookup Send up to 10 domain names and get back every DNS record type (A, AAAA, MX, CNAME, TXT, NS, PTR, SOA, SRV, CAA, NAPTR, DS, TLSA) plus the full WHOIS registration profile (registrar, dates, contacts, status, nameservers) for each one. URLs are accepted and automatically stripped down to the bare domain. Duplicate domains are quietly removed before processing. Results come back as one flat row per domain, ready to drop into a spreadsheet, database, or pipeline. | underscoredone.com | - | $0.01 | listed |
| DNS / Email Security Audit DNS email security audit — SPF, DMARC, DKIM, BIMI, and MTA-STS check for domain spoofing and deliverability risk. Agent-friendly dns email security screen at micropayment pricing. | workers.dev | - | $0.0045 | listed |
| DNS lookup Resolve any DNS record type for a host: A, AAAA, MX, TXT, CNAME, NS, SOA, CAA, SRV, PTR. Returns the records plus a count. Built on Node's native resolver - no external API. | agent402.tools | - | $0.002 | listed |
| Daily Range Used API How much of today's expected (ATR) range has already been used — low/moderate/high/extended — with the % consumed. Use to judge remaining room before chasing intraday. Tells you how 'full' the day is. | swaphunt.dev | - | $0.002 | listed |
| Darrylbots Paid Early Access API Darrylbots paid early access: Drift, Spread, and the Martingale Illusion, Chapter 6 | darrylbots.com | - | $0.001 | listed |
| DataSieve A 7-day watch, ONE condition: on-chain on Base (wallet activity, whale token transfers, price crossings, new pools), a heartbeat dead-man switch for your agent (silence fires the alert), a schedule/cron webhook, or a url-change website monitor (CSS-selector/regex scoped). No account: one paid call returns a watch id + secret. Events push to your webhook (HMAC-signed) and a pollable mailbox, each with a signed Ed25519 receipt. Failed calls never billed. 50 triggers; {"renew":"wt_..."} extends. | datasieve.xyz | - | $0.10 | listed |
| Date format Parse a datetime from any format (ISO 8601, Unix timestamp in seconds or milliseconds, RFC 2822, or natural date string) and return it in every common format: ISO 8601, Unix (seconds), Unix (ms), RFC 2822, date-only, time-only, day of week, and human-relative (e.g. '3 days ago'). ?datetime=1719100800. | agent402.tools | - | $0.001 | listed |
| Datetime Parse Parse any freeform datetime string into a structured normalized form — $0.001 USDC | anchor-x402.com | - | $0.001 | listed |
| Day of year Get the day number within the year (1-366) for any date, plus days remaining, leap-year status, percent of year complete, and a simple (Sunday-start) week number. | agent402.tools | - | $0.001 | listed |