Track the x402 marketplace—and what the activity actually shows.

The active deepnets watchlist - high-volume tokens that passed the safety screen, with current safety data.

Get Address Current Balance Data

Payment for Quicknode RPC access. Options: per-request ($0.001/request), nanopayment ($0.0001/request via Circle Gateway), or credit drawdown with SIWX authentication.

Payment for Quicknode RPC access. Options: per-request ($0.001/request), nanopayment ($0.0001/request via Circle Gateway), or credit drawdown with SIWX authentication.

Paginated list of merchants (top recipients by volume)

BTC Volatility Risk Premium — DVOL minus Parkinson realized vol (72h). Positive = sell-vol opportunity, negative = buy-vol. Response includes regime classification (LOW/MID/HIGH), raw inputs for audit (DVOL, RV_72h, RV_6h, spot), timestamp, and open methodology URL.

Search Amazon by keyword or browse bestsellers by category slug

Fetch a tweet (with thread context) by URL/id or a user (with recent tweets) from one URL

LLM chat completion (OpenAI-compatible, streaming supported)

Search Reddit posts

LinkedIn profile enrichment API for one B2B lead

Fetch the authoritative current text of any United States Code section by title and section number — for example title 17, section 107 returns the fair-use statute. Returns the canonical citation, heading, hierarchy context (title/chapter), full statutory plain text, the Statutes-at-Large source credit, and a link to the official OLRC page; set includeNotes=true to also get editorial notes (amendment history, effect…

Look up or search NAICS 2022 industry classification codes (US Census Bureau, public domain). Pass `code` for an exact NAICS code — 2–6 digits or a combined sector like 31-33 — and get its official title, hierarchy path, full official description, activity index terms, and direct child codes. Or pass `query` for free-text search (e.g. 'software publishers', 'coffee shop') over titles plus the official ~20k-entry act…

Preview jobs by filters (step 1). Call before job-collect. Page 1–5, 20/page, $0.10/page. Returns id, title, location, company_name, created, _score; pagination; next.collect when results exist. No description, salary, or URLs — use job-collect for full records.

Geocoding and reverse geocoding. Converts an address or place name to latitude/longitude, or coordinates back to an address.

Crypto token prices. Live price, market cap, volume, and 24h change for crypto tokens by id or symbol via CoinPaprika — keyless.

Hacker News feed. Top, new, and best front-page stories plus full-text story search — titles, scores, comment counts, and author for tech and startup news.

Searches recent public posts on X, excluding retweets by default and returning author profile fields and public metrics. Same read-only X API v2 backend as x-search. Use it as a Twitter search API or X search API for recent public post search.

Extract article / main content from any URL or PDF to clean, LLM-ready Markdown (web scraper / reader / html-to-markdown) — strips scripts, nav, ads, and boilerplate while preserving headings, links, lists, tables, code blocks, and blockquotes; extracts the text layer from PDFs. Returns Markdown body, title, word count, and a quality grade so agents can read articles and documents without a browser or paid scraping…

Convert any amount between 32 fiat currencies (live European Central Bank rates) and major cryptocurrencies (BTC, ETH, USDC, SOL, ICP, CELO and more, live Coinbase spot rates) — fiat↔fiat, crypto↔fiat, and crypto↔crypto all work. Returns converted amount, exchange rate, inverse rate, rate date, and rate source so agents can price and invoice across fiat and crypto without a paid forex API.

Email authentication posture check: parses SPF, DMARC and DKIM plus MX for any domain and grades deliverability/anti-spoofing gaps (SPF +all, SPF >10 lookups, DMARC p=none, missing DKIM). Clean JSON for deliverability and security-ops automation.

Top crypto coins ranked by market cap — paginated market data (price, market-cap rank, symbol) in any currency, CoinGecko-sourced.

Audit a URL's HTTP security headers over a single body-free (HEAD) request. Grades Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy and Permissions-Policy, flags information-leak headers (Server, X-Powered-By), and returns the parsed values plus advisory warnings. Clean JSON for security and pentest automation.

Crypto token price in USD, EUR and more — real-time spot prices for one or many coins by CoinGecko id (bitcoin, ethereum, solana).

Top stables ranked by mcap with peg deviation (now/24h/7d) + stability score + risk

GPU compute spot prices — best deals across Vast.ai, RunPod, AWS, Lambda + market signal + AI brief

Full LatAm economic report — currencies, Argentina dolar blue, commodities, AI narrative

US electricity grid — demand, generation mix (renewable/gas/nuclear), and stress signals across 7 regions

Dedicated satellite tracking API for agents: list CelesTrak TLE catalog groups (ISS, weather, and more), get live propagated positions for a whole catalog group, and predict the next pass over an observer latitude/longitude using NORAD catalog IDs. Outbound CelesTrak fetch only; no shell access.

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 Derib…

Crypto market-wide derivatives snapshot: funding rate, open interest, mark price, and 24h volume for all 16 perpetual futures markets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT). One call replaces 16 separate signals calls. Includes per-asset data freshness. Real-time from Kronos market_signals. Pay-per-call via x402.

BNB (BNB) price direction forecast. Kronos-base (60-path Monte-Carlo) ML model, cached ~20 min — switched from the composite heuristic 2026-07-10. Early measured record under this model: 52.6% directional over 78 scored 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 recor…

Crypto funding-rate extremes screener: scans all 16 perpetual futures markets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT). Uses z-score (30-day baseline) to identify statistically extreme funding: |z|≥2 = extreme, |z|≥3 = critical. Returns only assets clearing the threshold. Real-time from Kronos market_signals (Bybit data). Pay-per-call via x402.

Deterministic symbol-level decision evaluation combining Stock Trends signal context with market regime context.

Latest Stock Trends indicator snapshot for a symbol. Stock Trends indicators are part of a multi-decade classification framework with records extending back to 1980. Their value comes from consistent semantics across market history: trend state, trend persistence, relative performance, relative performance direction, and volume activity are encoded in a stable doctrine designed for longitudinal research.

Current market regime classification derived from the distribution of Stock Trends trend codes across active signals.

Ranked Stock Trends signal screener for agent workflows, using trend state, trend persistence, trend maturity, relative performance, and volume signal fields.

Base social intelligence: a current Base sentiment summary + the quality-screened Base tokens (CoinGecko-listed, market-cap/age/liquidity gated) that trusted KOLs are actually talking about — with per-token KOL mention counts and verbatim quotes, ranked by KOL signal. Includes overall crypto-KOL market sentiment. The social-intelligence wedge for Base — who is saying it, not who pumped. Refreshed hourly.

AI-filtered crypto news and Twitter search for non-token topics (airdrops, DeFi trends, etc). Max 2 words.

Real-time or 15-min delayed stock quote and share price for any US equity ticker — current price, open/high/low/close (OHLC), previous close, and percent change as JSON. Covers NYSE, NASDAQ, AMEX (8,400+ stocks and ETFs). No API key required. Use for: stock price lookup, equity quote, share price check, portfolio valuation, trading signals. $0.003 USDC delayed / $0.01 real-time (add ?tier=realtime).

Create a managed Python 3.11 sandbox. Two billing modes selected by 'timeout': ≤300s = flat rate (CPU $0.01, GPU varies). >300s = per-hour billing for the full requested lifetime, no refund on early terminate. Max 24h.

Buyer-side trust oracle for the x402 marketplace: 'I need X, budget $Y — which tool is real?' Sweeps the WHOLE catalog across many queries, collapses sybil/factory clusters (one wallet stamping many fake-distinct listings), ranks the genuinely-used survivors by unique-payer usage, and returns one vetted pick with a ready-to-pay challenge. The credit-bureau check an agent can't do in a single query.

Before your agent plans a multi-day operation — logistics, construction, an event, crop work: a day-by-day forecast for any GPS point or city, with daily minimum and maximum 2 m temperature, total precipitation and peak 10 m wind per UTC calendar day, from today to the end of the NOAA GFS window (~16 days). Each day names the model that served it and carries a coverage flag.

Before your agent pays a new bank account: validate the IBAN (all countries), resolve its bank and BIC from national bank registries, and check SEPA reachability per scheme (SCT, SCT Inst, SDD Core/B2B) against the EPC register

Structured decode of any mainnet tx (base | ethereum | solana) — $0.001 USDC

USD token price (POST wrapper, body: {symbol} or {chain, contract}) — $0.001 USDC

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

Firecrawl v2 API proxy — scrape. JSON body matches https://docs.firecrawl.dev/api-reference/v2-introduction. Poll GET routes are free; POST/PUT/DELETE are x402. $0.042 USDC per request. Agent search: scrape, markdown, firecrawl, web scrape, scrape-lite.

Fast text-to-image with Flux 1 Schnell (@cf/black-forest-labs/flux-1-schnell). POST prompt and optional dimensions; returns base64 image output. Hero: GET /heroes/flux-schnell. Per-generation x402 pricing per USDC per request (see npm run pricing:report).

Get comprehensive profile information for an IP address including geolocation, ISP, organization, connection type, CIDR block, and reputation assessment.

Real-time crypto market news with sentiment analysis and top headlines ranked by importance.

Cocoa farmgate floor price set by Côte d'Ivoire Conseil Café-Cacao (CCC, FCFA/kg, by decree).

Multi-source AI Earth intelligence via DeepSeek. Accepts any natural language question about Earth — weather, air quality, marine conditions, earthquakes, volcanoes, species, seasons, climate, polar ice, and tides.

Multi-source AI entertainment reasoning via DeepSeek. Accepts any natural language question about movies, TV, music, games, or events.

Premium multi-source aviation intelligence: ask natural-language questions about flights, aviation weather (METAR/TAF), jet streams, and airports. Returns a reasoned answer by synthesising multiple live data sources in parallel.

Repair malformed JSON text into valid parsed JSON: markdown code fences, single quotes, smart quotes, unquoted keys, trailing commas, comments, Python literals (True/None), raw newlines in strings, and truncated output (auto-closes strings, arrays and objects). Returns the parsed value plus a log of every repair applied. Built for LLM output that almost parses. POST a JSON body like: {"text":"```json\n{name: 'Ada',…

Get a prepaid card for use inside the United States

A user's timeline: tweets, retweets and quotes. Example: GET /api/jack

A single tweet on its own, without the surrounding conversation. Example: GET /api/tweets/20

Recent articles. With ticker: company news. Without: market news.

Latest live metrics including market cap and enterprise value.

Give this API a list of up to 10 web addresses and it will visit each one to tell you whether it is working, broken, or redirecting visitors somewhere else. You get back the exact status number (like 200 for OK, 404 for not found, 500 for server error), whether the address redirects, and where it redirects to. Great for finding broken links, verifying website migrations, and running quick SEO audits without writing…

Give this API a link to any website's sitemap.xml file and it will fetch and parse it, returning every URL found inside. If the sitemap links to other sitemaps (called sitemap indexes), it will follow and extract those too. Each URL is returned with any extra information available, such as when the page was last updated and how often it changes. Useful for SEO audits, content inventories, broken link checks, and com…

Give this API a hostname or IP address and it will try connecting to each port in your requested range. For every port that answers, it tells you whether it is open or blocked, which service is likely running there (like a web server or SSH), and what software version was detected. This saves you from installing network tools, parsing messy command-line output, or writing socket loops yourself. Only scan hosts you o…

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 dro…

Current cross-asset macro conditions for crypto: liquidity, volatility, rates and upcoming calendar risk (CPI, FOMC, etc), with a per-asset directional bias only when the live composite supports one. For setting risk posture, not a daily signal feed. Not financial advice.

Real-time crypto trading signals for BTC, ETH, SOL and 400+ coins — classified by type (whale flows, funding, liquidations, listings, news, on-chain), scored, with direction, confidence and conviction. Emitted signals' forward-return record is public at n0brains.com/proof. Not financial advice.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

For site owners auditing AI readability: returns the clean markdown an LLM extracts from your page after nav, ads, and scripts are stripped. See what survives for AEO, GEO and AI search; respects robots.txt

For technical SEO and metadata indexing: Extracts rich structured metadata from your URL: favicons, title, description, canonical, SEO-related meta tags, Open Graph and Twitter Card tags, JSON-LD, redirect chain, relevant response headers, performance metrics, headings, images and every meta tag found on the page. Returns everything by default; narrow with the fields option (atomic fields or the network/meta/og/twit…

On-chain address risk scoring and intelligence. Analyzes any Ethereum, Base, or Sepolia address across 6 security signals: balance profile, transaction history depth, contract detection, bytecode analysis (self-destruct patterns, delegate calls), proxy detection (EIP-1967), and known-risky address matching. Returns a 0-100 risk score, severity-ranked flags, and full profile data in a single call.

Real-time gas price oracle for multiple EVM chains. Returns slow/standard/fast fee estimates, estimated transaction costs (ETH transfers, ERC-20 transfers, swaps), and network congestion status. Supports Base, Ethereum, Arbitrum, and Optimism.

Why is my x402 service not listed in the Bazaar? Give us your endpoint URL; we fetch your 402 envelope, run the exact SDK validation and extraction functions the CDP facilitator runs, check catalog presence, and return per-check pass/fail with concrete fix hints — including the undocumented requirement that a buyer must echo your bazaar extension into the settle payload. Deterministic, no LLM.

Retrieves local bank and public holidays across 100+ countries to verify business days.

Extracts brand logos and theme colors for any public business URL using Clearbit and HTML parsing.

Pre-payment guard for x402 agents: free POST /v1/intel/preflight before spending, paid signed V6 trust receipt after. Evaluate any counterparty BEFORE paying — 0.05 USDC buys the proof (Solana mainnet). POST /v1/intel/preflight is free, no auth.

List all phone numbers owned by or shared with the calling wallet.

Live feed of freshly-detected malicious addresses on Base — address-poisoning seeders caught via zero-value transfer sprays, updated continuously by our on-chain collector. Poll ?since=<unix> to ingest only new threats into your agent's blocklist. Deterministic, evidence-backed, machine-readable.

Pre-send safety check: is this recipient a known malicious address (caught live on Base seeding address-poisoning via zero-value transfer sprays), or a look-alike of an address you trust? Checks our continuously-updated threat DB + deterministic look-alike logic. Answers an agent's 'is it safe to send here?' before every transfer.

Paid x402 API for AI agents that checks robots.txt, sitemap availability, llms.txt discovery, AI crawler readiness, agent accessibility and AI scraping compatibility for a public URL.

Resolves a company name to its official domain. Returns primary domain, confidence score, and alternative candidates. Deterministic, sub-second. x402-native.

Predict the future market value of any collectible trading card with a conformal-calibrated risk forecast (default): regime-aware split-conformal bands fit on real holdout residuals, returning calibrated forecast percentiles (5th–95th), honest VaR/CVaR, and Safe-Hold/Momentum letter grades. Monte Carlo models (GBM / Merton Jump-Diffusion with Poisson jumps) are available opt-in via model=. Covers Pokémon, Magic, Yu-…

Current USD prices for one or more tokens by CoinGecko id (e.g. bitcoin, ethereum, solana, usd-coin). Returns price, symbol, and confidence per token in one call. Sourced live from DefiLlama with attribution.

invinoveritas /signals/full — the live Hyperliquid perps read our own bot enters on, recomputable per coin from the raw metrics we return (funding + 24h delta,

On-chain wallet snapshot on Base: native ETH and tracked ERC-20 token balances (USDC, WETH) plus account flags (contract status, transaction count) and derived metrics (wallet type, activity tier, gas runway), anchored to a specific block. Factual wallet balance and holdings lookup for AI agents — portfolio and on-chain data API.

Search mobile top-ups & prepaid airtime for carriers in 180+ countries. Pay in USDC via x402, no account.

HyperNatt BTC liquidation radar — raw microstructure snapshot: magnet score, OI, long/short ratio, liquidation clusters above/below, real liquidations 1h/24h (read-only)

DEX price quote across 7 chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Unichain). Returns sell/buy amounts, price, routing, and gas estimate.

Stablecoin market data ranked by USD-equivalent circulating supply: each coin returns its symbol, peg type and mechanism (fiat-backed, crypto-backed, algorithmic), peg currency (USD, EUR, JPY…), current peg price, native circulating supply, USD-converted supply, and the chains it lives on. Filter by symbol or chain. Track USDT, USDC, DAI, USDe, EURC and the rest of the stablecoin market. Sourced from DefiLlama.

Agentic-payments go/no-go verdict: synchronous signed ALLOW/WARN/BLOCK for (domain, receiving address, amount, chain) BEFORE releasing USDC. ar-v1 ruleset over RDAP/TLS/DNS/Wayback domain signals + on-chain receiving-address signals + curated known-bad blocklist. The verdict carries an embedded EIP-712 PayloadAttestation — recompute keccak256(answer) and recover the signer before acting.