24,344 paid endpoints are listed. 23,484 answered a real 402 at the last check.
Every x402 endpoint on the Coinbase Bazaar and x402scan, probed unpaid every six hours. A listing tells you the price a seller wrote down. This tells you whether the endpoint is reachable, whether it charges what it declared, and how fast it answers. Ranked by an assay score out of 100.
Last check 2026-10-02 22:23 UTC · 24,344 probed
ScoreEndpointPrice · networkLatencyPayers 30dUptimeLast 30 probes
- 95cron402-api.user-defaults.workers.dev/v1/cronscron402: create a cron job that calls your webhook on a schedule. $0.008 includes 1 run credit; each subsequent run costs 1 credit (top up at /v1/crons/topup/{pack}).$0.008 Base487 ms4 payers100% up
- 95canary.countersignpay.com/v1/base/headCurrent Base mainnet block height and base fee per gas in wei, read from the chain at request time$0.01 Base695 ms4 payers100% up
- 95scvd.store/api/buy/daily_fortuneThe Daily Fortune. The day's fortune and fortune_date (UTC), with purchased_text: an ed25519 envelope binding the exact words, date and purchase certificate. Every buyer today reads the same line. Full listing: https://scvd.store/menu/daily_fortune. MCP tool: buy_daily_fortune.$0.01 Base466 ms4 payers100% up
- 95api.ukintel.uk/v1/company/searchFind a UK company by name. Returns the top 5 matches from the Companies House register with number, name, status and incorporation date. Taster tier - cheap enough to try on a whim before paying for a full profile or verdict.$0.005 Base519 ms4 payers100% up
- 95chain.cyberwarex.com/blockLatest block on any major EVM chain: block number, timestamp, age in seconds, base fee and gas used/limit. The cheapest possible liveness and chain-tip check for an agent: confirm a chain is progressing, timestamp an observation, or pick a block for a query.$0.001 Base816 ms4 payers100% up
- 95stocks.cyberwarex.com/fundamentalsKey annual fundamentals for a US ticker from SEC XBRL: revenue, net income, total assets and liabilities, stockholders equity, cash, basic EPS and shares outstanding, each with its fiscal period and source concept. Keyless, public-domain EDGAR. For valuation, screening and grounding a financial claim in primary filings.$0.004 Base925 ms4 payers100% up
- 95reader.outbid.sh/scrapeHTML to markdown. $0.002 USDC.$0.002 Base751 ms4 payers100% up
- 95humanmirror.fr/api/x402/clean-json/Clean and canonicalize JSON, then independently verify the output is stable and idempotent.$0.01 Base844 ms4 payers100% up
- 954yearcycle.com/x402/fx-ratesOfficial daily foreign exchange reference rates from the European Central Bank (~30 currencies vs EUR, published each business day around 16:00 CET), rebased on request to any listed currency via EUR cross-rates and filtered to a requested symbol list; returns the reference date, the rate table and the ECB source attribution.$0.005 Base692 ms4 payers100% up
- 95ioswarm.io/api/v1/x402/quoteLive quotes for up to 8 symbols — stocks, ETFs, crypto pairs (BTC-USD), FX — price, session change and currency, in the paid response. $0.01 per call, no account.$0.01 Base591 ms4 payers100% up
- 95signalforgestudios.com/x402/prospect-qualifierScores a public business URL for SDR agents, CRM enrichment, agency prospecting, and local-business lead generation: ICP fit, contactability, website trust friction, CTA issues, opportunity signals, evidence, confidence, and qualify/review/skip JSON.$0.01 Base790 ms4 payers100% up
- 95sentinel.rootstuff.io/x402/dnsEvery DNS record for a domain plus propagation across public resolvers$0.01 Base524 ms4 payers100% up
- 95api.oblique.markets/api/v1/paid/research-answerUse when an agent needs a concise, cited answer to one research question with optional domain scope and freshness, from one bounded pay-per-call web search. Returns the answer synthesized only from the retrieved sources, source URLs and labels with retrieval timestamps, an explicit insufficient-evidence refusal when the sources do not support an answer, and a machine-readable receipt of the upstream cost and settlement.$0.01 Base472 ms4 payers100% up
- 9521millionpixels.art/api/agent/paint-batchPaint 2 pixels in one plot on 21millionpixels.art, a shared 21,000,000-pixel canvas, for one payment. Reads are free; paid pixels skip the human cooldown.$0.01 Base528 ms4 payers100% up
- 95api.sys84.org/v1/services/wallet_risk_snapshotBase wallet screening with provider coverage, address-security flags and account nonce. Contracts require separate assessment. Risk scores are heuristic, not calibrated safety probabilities.$0.01 Base575 ms4 payers100% up
- 95pixels.gateway.clawca.sh/v1/link-inspectInspect a public HTTPS URL for redirects, metadata, content type, word count, and content hash.$0.002 Base827 ms4 payers100% up
- 95api.runonproof.com/v1/us/decision-gates/release-payment-to-supplierRunOnProof Payment Decision decides whether to release a US supplier payment before funds move. 0.79 USDC: scoped checks, reasons, evidence and signed proof binding supplier, invoice digest, amount, payee/destination and mandate. FEDERAL_ONLY. No state checks, bank ownership or invoice authenticity guarantee; never executes payment. HOLD/UNDETERMINED are not permission to pay; HOLD may be paid. Recover the same acquired result without paying again. See the provider guide.$0.79 Base596 ms4 payers100% up
- 95api.interzoid.com/translatetoenglishDetect the language of input text and translate it to English. Supports numerous world languages with AI-powered translation.$0.01 Base666 ms4 payers100% up
- 95blockrun.ai/api/v1/pm/polymarket/cohorts/statsCompare performance across trading style cohorts$0.0085 Base379 ms4 payers100% up
- 95api.interzoid.com/getnameoriginDetermine the likely cultural or geographic origin of an individual name. Useful for demographic analysis and internationalization efforts.$0.01 Base320 ms4 payers100% up
- 95api.interzoid.com/identifylanguageIdentify the language of a given text string. Supports detection of numerous world languages from text samples.$0.01 Base492 ms4 payers100% up
- 95api.linkedpanda.com/agent/v1/profiles/postsRecent LinkedIn posts for a profile$0.25 Base468 ms4 payers100% up
- 95www.robbiegeorgephotography.com/v1/query/atomic/robbie-george-biography-plateAtomic canonical resolution for the registered Robbie George Biography Plate™ identifier. x402 payment grants one endpoint-level retrieval only. It does not grant training, embedding, bulk ingestion, redistribution, resale, synchronization, private-dataset construction, derivative-dataset creation, or Robbie's Razor framework implementation rights.$0.005 Base645 ms4 payers100% up
- 95x402stock.xyz/api/v1/ticker-typesReference list of security type codes used in ticker reference data (e.g. CS = Common Stock, ETF, PFD, WARRANT) with descriptions. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.$0.01 Base470 ms4 payers100% up
- 95api.xynaptic.io/v1/crypto-brief-liveXynaptic Crypto Live — real-time crypto prices (BTC, ETH, SOL, ADA + top coins) fetched at the exact moment of your request. Live data, not a cached digest.$0.01 Base385 ms4 payers100% up
- 95api.boonprotocol.com/api/v1/x402/graphBoon x402 endpoint recognition graph$0.01 Base573 ms4 payers100% up
- 95x402.shizu.me/creditsCheck your credit balance. Credits are the unit of account for the tollbooth, escrow, and bounty markets here: 1 credit = $0.001, funded by calling /credits/buy ($0.010 per settled call, +10 credits). Balance is keyed to your paying wallet.$0.002 Base691 ms4 payers100% up
- 95sovereign-x402-zeta.vercel.app/api/v1/web/scrapeScrape a URL and return clean Markdown (via Firecrawl). Priced above Firecrawl's own per-scrape cost.$0.01 Base399 ms4 payers100% up
- 95currency-api-production-4a8d.up.railway.app/crypto/priceCurrent price, market cap, and 24h change for a single cryptocurrency by symbol or name (CoinGecko).$0.001 Base458 ms4 payers100% up
- 95agentwholesale.vercel.app/api/v1/trendsAgent-ready keyword trend intelligence for 1-5 keywords in a country. Returns normalized relative-interest data. Not Google Trends.$0.01 Base709 ms4 payers100% up
- 95agentwholesale-5zlaioz91-despiteryan-4343s-projects.vercel.app/api/v1/trendsAgent-ready keyword trend intelligence for 1-5 keywords in a country. Returns normalized relative-interest data. Not Google Trends.$0.01 Base385 ms4 payers100% up
- 95gateway.spraay.app/api/v1/pricesLive token prices.$0.005 Base431 ms4 payers100% up
- 95x402-agents-production.up.railway.app/funding-ratesReturn live cross-exchange perpetual funding rates and the largest annualized funding divergences.$0.01 Base424 ms4 payers100% up
- 95risk-graph-gx7v4.ondigitalocean.app/api/v1/agent/searchTargeted node lookup by asset address or protocol/asset name — the sole discovery path$0.001 Base472 ms4 payers100% up
- 95dns-intel-api-production.up.railway.app/dns/reverseReverse-DNS lookup for an IP: PTR record plus a best-effort list of other domains hosted on the same IP.$0.002 Base349 ms4 payers100% up
- 95content.hugen.tokyo/content/linksExtract and classify all hyperlinks from a web page — internal vs external using eTLD+1 domain matching. Returns up to 200 internal and 200 external links with counts. No web crawler setup needed. Accepts USDC payments on Base and Solana$0.01 Base739 ms4 payers100% up
- 95defi.hugen.tokyo/defi/chainsList all blockchain networks supported by this API's security scanning — Ethereum, BSC, Polygon, Arbitrum, Base, Optimism, Avalanche, Fantom, Solana, and 20+ chains with chain IDs and names. Accepts USDC payments on Base and Solana$0.01 Base652 ms4 payers100% up
- 95free-api-resell.relayhop.workers.dev/v1/polymarket/marketsPolymarket prediction-market listings. Query: ?limit=1-100. Source: Polymarket Gamma API (free).$0.002 Base550 ms4 payers100% up
- 95monitor.memoryapi.org/x402/monitor/activityx402 API activity stats — top endpoints by paid calls, trend data, and unique payer counts from memoryapi.org nginx logs.$0.001 Base723 ms4 payers100% up
- 95agentkit-x402-buy.netlify.app/api/eth-priceETH/USD spot via AgentKit x402 — $0.001 USDC$0.001 Base616 ms4 payers100% up
- 95hello-world-x402.vercel.app/greetReturns personalized greeting - UPDATED SCHEMA v2$0.001 Base412 ms4 payers100% up
- 95agent.massive.com/v2/snapshot/locale/us/markets/stocks/tickers/:stocksTickerGet the most up-to-date market data for a single traded stock ticker. Note: Snapshot data is cleared at 3:30am EST and gets populated as data is received from the exchanges. This can happen as early as 4am EST. Can't find what you're looking for? POST feedback to /feedback, no charge.$0.01 Base69 ms3 payers97% up
- 95coingecko.use.x402atlas.com/coinCrypto coin metadata and market data by CoinGecko id — name, symbol, market-cap rank, price, homepage and categories for any token.$0.005 Base883 ms3 payers100% up
- 95scvd.store/api/buy/luckiesa lucky. One lucky drawn from the keeper's herd (pocket dinosaurs and safari animals): the animal, its lucky note, and an honest strength on a signed card, instantly (specimen at /luckies/sample.svg). Amounts above the minimum record as tips. Full listing: https://scvd.store/menu/luckies. MCP tool: buy_luckies.$0.99 Base791 ms3 payers100% up
- 95api.brazilayer.com/v1/cadeias/cafe_kcCausal chain for arabica coffee: minimum temperature forecast 72h ahead over the southern Minas belt (frost is the event that historically moves KC hardest, operational threshold 3 °C) → consecutive dry days stressing flowering → observed rainfall → the official BRL/USD rate that converts the international price for the grower. Brazil is the top arabica exporter. Physical signal only — bring your own price. Free sample, no payment: https://api.brazilayer.com/v1/cadeias/amostra$0.05 Base831 ms3 payers100% up
- 95x402.aispace.bot/api/v1/audio/speechText-to-speech on Venice voices (Kokoro, Qwen 3, xAI, Inworld, Chatterbox, Orpheus, ElevenLabs Turbo, MiniMax, Gemini Flash), paid per request in USDC on Base via x402, no API key. Resolve a model id from GET /api/v1/models?type=tts.$0.01 Base368 ms3 payers100% up
- 95api.insumermodel.com/v1/trust/batchBatch wallet trust fact profiles, priced per submitted wallet: one call, up to 10 wallets, each independently signed (ECDSA plus a post-quantum ML-DSA-65 companion). Pay in USDC on Base, Polygon, Arbitrum, Arc, or Solana.$0.15 Base874 ms3 payers100% up
- 95onchainpulse.theaslangroupllc.com/api/memecoinHoneypot, rug & token-safety scanner for Solana memecoins — instant pre-trade check of mint/freeze authority, LP lock/burn, holder & dev concentration and insider flags, fused with live liquidity, buy/sell flow and age into one deterministic CLEAR / CAUTION / AVOID verdict for any SPL token. Answers "is this token safe to buy?" in one call — a token safety check / rug pull check for swap guardrails. For Solana trading & sniping agents.$0.015 Base912 ms3 payers100% up
- 95api.solenrich.com/entrypoints/whale-watch/invokeTop holders with accumulation/distribution tracking, balance context, supply percentage.$0.008 Solana811 ms3 payers100% up
- 95api.solenrich.com/entrypoints/perps-market-trend/invokePer-symbol deltas for mark price, total OI, long/short skew, utilization, and borrow APR over 7/14/30 days. Direction indicators per metric and per market. Overall direction excludes mark price (price moves are not health signals). Required for regime-detection strategies and any bot that adjusts behavior based on whether markets are growing, stressed, or rebalancing. Mirror of token-trend for perps.$0.008 Solana870 ms3 payers100% up
- 95twitter.use.x402atlas.com/user-highlightsGet the highlighted posts selected on an X user profile.$0.006 Base990 ms3 payers100% up
- 95aiagentoracle.ai/api/v1/statusAgentOracle: live service-health snapshot — tracked-token count, last ingestion timestamp, ingestion error counter, process uptime, and API version. Use as a cheap heartbeat before issuing larger queries.$0.01 Base856 ms3 payers100% up
- 95defillama.use.x402atlas.com/yieldsYield pools by DefiLlama — every tracked pool with APY, TVL, project and chain.$0.005 Base65 ms3 payers97% up
- 95defillama.use.x402atlas.com/stablecoin-pricesStablecoin peg prices by DefiLlama — historical peg price of every tracked stablecoin.$0.005 Base65 ms3 payers97% up
- 95coingecko.use.x402atlas.com/trendingTrending crypto coins in the last 24h — the most-searched tokens on CoinGecko right now with name, symbol and market-cap rank.$0.005 Base64 ms3 payers97% up
- 95api.rxatlas.dev/v1/drugsSearch US drug products by NDC, brand, generic name, ingredient, manufacturer, dosage form, route, source, or identifier.$0.10 Base370 ms3 payers100% up
- 95x402.aispace.bot/api/v1/augment/searchWeb search for agent pipelines on Venice — ranked results for a query, paid per request in USDC on Base via x402, no API key. Standalone; no model lookup required.$0.01 Base860 ms3 payers100% up
- 95x402.aispace.bot/api/v1/augment/scrapeScrape and extract clean text/markdown from a public URL for agent pipelines on Venice, paid per request in USDC on Base via x402, no API key. Standalone; no model lookup required.$0.01 Base852 ms3 payers100% up
- 95minifetch.com/api/v1/x402/extract/url-linksFor SEO link audits: Extracts and categorizes all links on a page (internal, external, anchor) for SEO audits and site-structure analysis. Returns nofollow/rel attributes, anchor text, image links missing alt text, and external domain distribution. Obeys robots.txt. Supports GET & POST$0.002 Base933 ms3 payers100% up
- 95stablestudio.io/api/uploadGet a client token for direct upload to Vercel Blob$0.01 Base651 ms3 payers100% up
- 95agent-api-production.tim1712.workers.dev/v1/business/eu-vat-checkUse when an agent needs the current official VIES validation status of an EU VAT number before B2B onboarding, invoicing or procurement. Queries the European Commission VIES REST API and returns whether the number is currently valid, plus the registered company name and address when the member state returns them. It does not give tax advice and is not proof a company is legitimate, an invoice is compliant, or a sanctions/KYC/AML check.$0.01 Base832 ms3 payers100% up
- 95api.gondola-ai.com/v1/chat/completionsOpenAI-compatible chat completions across the Venice AI model catalog. Pay per request in USDC on Base via x402, with no account and no API key. Overpayment is never lost: it banks as reusable wallet credit for your next call. Model ids and live prices: GET https://api.gondola-ai.com/v1/models.$0.01 Base666 ms3 payers100% up
- 95mcp.zensched.com/x402/tools/policy_archiveZenSched `policy_archive` — Archive a policy (blocked while any active brand references it; policy 0 cannot be archived). Pay-per-call $0.01 USDC; the paying wallet owns the org (auto-provisioned on first call). Catalog: https://mcp.zensched.com/x402/tools$0.01 Base745 ms3 payers100% up
- 95kronossignals.com/api/v1/briefingComposite market briefing: BTC/ETH/SOL ML forecasts (1h horizon), Crypto Fear & Greed Index, TradFi macro context (VIX/DXY/US 10Y yield/S&P 500/gold), and top funding-rate extremes (|z|≥2 screened across 17 perpetual markets) — all in one round-trip. Saves 4+ separate paid calls. Per-section available flags for graceful degradation. $0.10 USDC via x402. Live scored track record at /api/stats — not a backtest.$0.10 Base922 ms3 payers100% up
- 95pro-api.coingecko.com/api/v3/x402/onchain/simple/networks/base/token_price/0x4200000000000000000000000000000000000006,0x940181a94a35a4569e4529a3cdfb74e38fd98631,0x9b5e262cf9bb04869ab40b19af91d2dc85761722Query onchain DEX token price & market data based on the provided token contract addresses on a network.$0.01 Base705 ms3 payers100% up
- 95api.gondola-ai.com/v1/messagesAnthropic Messages compatible completions across the Venice AI model catalog. Pay per request in USDC on Base via x402, with no account and no API key. Overpayment is never lost: it banks as reusable wallet credit for your next call. Model ids and live prices: GET https://api.gondola-ai.com/v1/models.$0.01 Base419 ms3 payers100% up
- 95api.posttosource.com/api/x402/extractConvert a Twitter/X, LinkedIn, Medium, Substack, Beehiiv, or public Notion page URL into clean markdown.$0.01 Base979 ms3 payers100% up
- 95quartermaster.surewhynot.app/v1/randomCryptographically-secure random integers in a chosen range (CSPRNG, rejection-sampled to avoid modulo bias) — real entropy an LLM cannot produce itself.$0.001 Base800 ms3 payers100% up
- 95x402tap.com/api/pingHeartbeat endpoint billed via a batch-settlement payment channel$0.001 Base507 ms3 payers100% up
- 95x402.ochinimus.app/api/tvlTVL for any DeFi protocol with 1d and 7d change, or a top-15 chains ranking. Use when you need to answer: How much TVL does this protocol have? DefiLlama-backed; a protocol family is aggregated across its deployments and the change is TVL-weighted.$0.005 Solana685 ms3 payers100% up
- 95cryptyx.ai/api/signals/catalogThe entry point for agents landing on CRYPTYX. Returns the full signal registry (every atomic and composite signal, all versions) with class, horizon, geometry, parameters, 30-day trigger stats, three-axis health grades, walk-forward IS/OOS — plus a meta.service block (universe + walk-forward + macro-regime + OKX/Kraken/Coinbase venues), a meta.by_class strategy-family breakdown, a meta.next recommended 5-step flow, and per-signal _actions with direct URLs to explain / backtest / fork / simulate. One call answers "what is CRYPTYX, what can I buy, and what should I call next". Signal evaluations run across the CRYPTYX 200+ tracked digital assets — BTC, ETH, SOL, top-cap + long-tail coverage.$0.01 Base360 ms3 payers100% up
- 95twitter.use.x402atlas.com/tweet-detailsGet the complete public data for one X post.$0.006 Base426 ms3 payers100% up
- 95api.webbersites.com/api/calcExact math for agents — the arithmetic LLMs get plausibly wrong. Evaluates an expression at 50-significant-digit precision (BigNumber): big-integer multiplication, high-precision division, roots, logs, factorials, unit conversions (12 inch to cm). GET ?expr=…, result returned as an exact string. Deterministic, no AI, never executed as code.$0.001 Base763 ms3 payers100% up
- 95api.webbersites.com/api/seo/metadataRaw metadata extractor: the complete, unopinionated head inventory of a page — title, charset, lang, canonical, all meta tags grouped by family (OpenGraph, Twitter, Dublin Core, named, http-equiv, itemprop), every link relation, and JSON-LD returned as parsed objects. For agents doing their own processing (head-check audits the same data; this just dumps it). ?url=$0.001 Base785 ms3 payers100% up
- 95aegis-ai.xyz/api/d2a/briefingAegis curated briefing — AI-scored content feed with V/C/L metrics$0.01 Base590 ms3 payers100% up
- 95quantum-artificer.surewhynot.app/v1/math/numericalNumerical computing (SciPy): root-finding, optimization, numerical integration (quadrature), eigenvalues/vectors, and linear solves — returned with residuals and condition numbers. Paid in USDC on Base or Solana.$0.003 Base913 ms3 payers100% up
- 95api.useatelier.ai/api/x402/pay/svc_1772399254862_qevyi72fuGot an idea? Describe it and Nano Banana brings it to life as a stunning AI-generated image. From realistic portraits to abstract art, any style, any concept.$0.11 Base790 ms3 payers100% up
- 95api.oblique.markets/api/v1/paid/wallet-analyzeUse when an agent needs wallet analyze. Returns Base wallet balances, bounded transfers, token holdings and counterparties from a public Base block explorer index. $0.005.$0.005 Base306 ms3 payers100% up
- 95tollbooth-fdic-verify.sjwilliams8.workers.dev/verifyBefore your agent trusts, cites, or transacts with a U.S. bank: verify it is actually FDIC-insured, for $0.01, against the FDIC's own BankFind Suite records, synced daily. Look up by institution name (fuzzy, word-order-tolerant, confidence-scored), FDIC certificate number, or website domain. Returns insurance status, charter class, HQ city/state, and the FDIC cert; renamed and failed/inactive institutions stay findable. Assistive screening signal, not a certified compliance determination.$0.01 Base785 ms3 payers100% up
- 95paulgraham.persona.energy/v1/x402/entities/paul-graham/retrieveSearch Paul Graham's source corpus — a source-grounded persona of the Y Combinator co-founder and essayist, built from 13,000+ cited sources: his complete essays, talks, interviews, and X posts — by semantic + lexical query and retrieve grounded packets (graded claims, quotes, evidence with citations). POST a JSON body { query, limit? (<=100), packetTypes? }. Flat micro-price per query.$0.01 Base511 ms3 payers100% up
- 95agentbodega.store/api/status/githubCheck GitHub's official status source for current incidents, component health, and scheduled maintenance before an agent retries, deploys, or escalates.$0.005 Base802 ms3 payers100% up
- 95tools.bip-rep.com/quakeLightweight utility API for agents and operators: DNS lookups, RDAP/WHOIS domain data, HTTP probes, page metadata extraction, cryptographic hashing, JSON validation, scheduled webhooks, and exotic endpoints (Base transaction decode, ENS resolve, USGS earthquakes, cron next-run, TLS certificate report). No shell access; outbound URL tools enforce SSRF protections.$0.01 Base989 ms3 payers100% up
- 95apiacre.com/v1/data/current-weatherGet one current weather snapshot for a city/locality name or exact coordinates. Returns the nearest NOAA/NWS station observation where available; otherwise returns the latest MET Norway model point, always labeled explicitly as observation or model with bounded SI fields and source provenance.$0.001 Base719 ms3 payers100% up
- 95api.oblique.markets/api/v1/paid/us-equity-snapshotUse when an agent needs us equity snapshot. Returns Fresh US equity OHLCV snapshot for one ticker and interval with bounded lookback, optional SMA/EMA/RSI indicators, source attribution and freshness evidence; stale or unavailable data is refused without settlement. $0.01.$0.01 Base414 ms3 payers100% up
- 95api.oblique.markets/api/v1/paid/route-taskUse when an agent needs route task. Returns Agent Economy task router: discover protocol, market-activity, and paid services from a read-only MCP source, with normalized evidence and qualified-session handoff. $0.01.$0.01 Base539 ms3 payers100% up
- 95api.hergertsynthora.com/v1/stablecoin-supplySYNTHORA stablecoin-supply: circulating USD supply, price and peg deviation in basis points for the top stablecoins (USDT, USDC, DAI...), with a depeg alert flag above 50 bps. Optional symbol filter. Free source: stablecoins.llama.fi (DefiLlama), no API key, timestamped.$0.01 Base498 ms3 payers100% up
- 95api.hergertsynthora.com/v1/defi-llama-tvl-rankingSYNTHORA defi-llama-tvl-ranking: Top DeFi protocols by TVL with rank, chain, category and 1d/7d change, capped list (default 50, max 200 via {"limit":N}). Source: api.llama.fi/protocols (DefiLlama), keyless, timestamped.$0.01 Base793 ms3 payers100% up
- 95globalrules-api.onrender.com/api/v1/country/BR/timezoneOne specific fact for one country: VAT/GST rate, public holidays by country, visa requirements for travelers, tipping customs, cryptocurrency legal status by country, stablecoin regulation and capital controls, power plug type, minimum wage, corporate tax, digital nomad visa, customs duty-free allowance and more. 195 countries, 58 fields, verified sources. Example: /api/v1/country/JP/vat$0.01 Base488 ms3 payers100% up
- 95twitter.use.x402atlas.com/list-followersGet followers of a public X list.$0.006 Base576 ms3 payers100% up
- 95x402.ottoai.services/gas-oracleBase gas oracle from Otto's own RPC: current base fee (wei+gwei), legacy gas price, and slow/standard/fast EIP-1559 priority-fee tiers (p25/p50/p90 over the last 20 blocks) with a ready-to-sign maxFeePerGas per tier. Unlike the crowded gas shelf it PUBLISHES the formula, so every tier is reproducible from the response. Flat JSON, refreshed every minute. Base gas oracle, gas price, priority fee, EIP-1559, maxFeePerGas. $0.001 per call.$0.001 Base587 ms3 payers100% up
- 95x402.ottoai.services/web-linksExtract all links (hrefs) from any web page as structured JSON — every internal, external and anchor link, deduplicated, returned with a total count. Renders the page in a real headless browser, so it captures links injected after JavaScript runs that fetch-only scrapers miss. For crawling, sitemap building, link audits and site-structure mapping. Keyless, pay-per-call.$0.003 Base447 ms3 payers100% up
- 95x402.ottoai.services/macro-regimeDaily US macro-regime snapshot from licensed Alpha Vantage series: 10-year Treasury yield, effective federal funds rate, three-month rate changes, CPI index and YoY inflation, plus a mechanical rates-direction/inflation-direction label with disclosed thresholds. Three upstream calls per daily refresh; scanner context only.$0.003 Base736 ms3 payers100% up
- 95data.greeneris.io/v1/wx/forecastHourly weather forecast for any point on Earth from Open-Meteo (blend of ECMWF/GFS/ICON models, refreshed hourly; data CC-BY 4.0). Query: ?latitude=48.8566&longitude=2.3522&hourly=temperature_2m,precipitation,wind_speed_10m&forecast_days=2 (1-16 days, ~80 hourly variables available, optional daily= aggregates and timezone=auto). ISO 8601 time arrays + units. 15 min cache.$0.001 Base463 ms3 payers100% up
- 95vaaya.ai/api/run/crw/searchCRW — Search the web and optionally scrape the hits in one call. Pass `query`; optional `limit` (1-20, default 5), `tbs` (freshness: qdr:h|d|w|m|y), `sources` (web|news|images), `lang`, and `scrapeOptions` ({ formats, onlyMainContent }) to return full page content per hit instead of snippets.$0.01 Base861 ms3 payers100% up
- 95blockrun.ai/api/v1/pm/polymarket/market-price/21742633143463906290569050155826241533067272736897614950488156847949938836455Get current or historical price for a specific token$0.0085 Base780 ms3 payers100% up
- 95agent402.tools/api/skill/decode-blobHand the agent an opaque string - a JWT, a base64'd JSON payload, a gzip-encoded API response, a hex-encoded hash - and walk it through identifying what it is and unwrapping it layer by layer until it's human-readable. Decode this blob skill pack: one x402 payment runs 7 underlying tools (jwt-decode, gunzip, brotli-decompress, base64, hex, json-format, hash); partial-success per step.$0.007 Base708 ms3 payers100% up
- 95agent402.tools/v1/embeddingsOpenAI-compatible text embeddings (text-embedding-3-small by default; 3-large and ada-002 supported), up to 64 inputs or 16k chars per call, returned in the standard OpenAI shape. Identical inputs repeated within 10 minutes are served free from cache. Use it for semantic search, clustering and retrieval from any OpenAI SDK by changing base_url.$0.002 Base722 ms3 payers100% up
- 95netintel.dev/openai/gpt-4o-miniCall OpenAI's gpt-4o-mini via a single pay-per-call x402 endpoint — no OpenAI account or API key needed, pay $0.005 per request in USDC. Standard OpenAI chat.completions request/response shape, capped input and output.$0.005 Base560 ms3 payers100% up
- 95netintel.dev/api/v1/embeddingsOpenAI-compatible text embeddings API (alias of /v1/embeddings for api/v1-style base URLs) — input as a string or batch of up to 128 strings, model text-embedding-3-small (default) or text-embedding-3-large. Flat $0.005 per call in USDC via x402, no OpenAI account or API key.$0.005 Base637 ms3 payers100% up
- 95x402-factory.com/v1/evergreen/presidential-election-winner-partyLive probability: Which party wins the next US presidential election? — Stable evergreen URL for a recurring question: Which party wins the next US presidential election? Auto-resolves to the current market instance and rolls forward on resolution, so the answer is always about the next occurrence. Response adds current_slug and rolls_to_next_at to the standard probability shape.$0.02 Base740 ms3 payers100% up