x402watch

52,778 paid endpoints are listed. 41,522 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 2026-11-14 06:38 UTC · 52,778 probed

41,522 answering 4025,071 down5,452 rejecting733 no paywall944 price drift
  1. 100api.solenrich.com/entrypoints/perps-cross-venue-funding/invokeAggregates borrow/funding APR + open interest across Solana on-chain venues (Jupiter Perps, Adrena, Flash, Phoenix) and cross-chain reference venues (Hyperliquid, dYdX v4). Returns per-venue quotes, best entry per side, basis vs Hyperliquid, and arbitrage opportunities. A venue whose data cannot be read returns available: false with the reason. Adrena uses wrapped collateral (SOL via jitoSOL, BTC via WBTC); no ETH there, no BONK on Jupiter Perps.$0.015 Solana248 ms2 payers100% up
  2. 100api.webbersites.com/api/generate-imageAI IMAGE GENERATION — POST {prompt} and get back a PNG, base64 in JSON (?raw=1 for raw bytes). Gemini 2.5 Flash Image (nano-banana): photoreal scenes, illustrations, product shots, UI mockups — renders text in images well. Optional {aspect_ratio}: 1:1 (default), 16:9, 9:16, 4:3 + 6 more. Reference images: pass {url} or {image_base64}, or up to 3 in {reference_images}, to edit, restyle, or compose ('put this product on this beach'). The x402 payment IS the auth.$0.07 Base98 ms2 payers100% up
  3. 100api.kadec0.xyz/v1/author-searchAuthor and researcher profile search. An author name returns matching researchers with current affiliation, publication count, total citations, h-index and i10-index, and their most-cited papers — for author lookup, disambiguation, and citation-metrics. Keyless via OpenAlex.$0.02 Base112 ms2 payers100% up
  4. 100api.solenrich.com/entrypoints/token-trend/invokeTrack how a Solana token metrics changed over 7-30 days$0.006 solana103 ms2 payers100% up
  5. 100api.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 Solana109 ms2 payers100% up
  6. 100api.solenrich.com/entrypoints/stonk-market-pulse/invokeStonkFun market regime in one call: RISK_ON / NEUTRAL / RISK_OFF from breadth (share of live coins up 24h) and the median 24h move, plus the volume-weighted move, launches per day, share of coins trading and paying, survival past day 3, holder revenue 7d vs prior 7d, strongest and weakest quote shelves, and a daily breadth trend. No inputs.$0.005 Solana202 ms2 payers100% up
  7. 100api.solenrich.com/entrypoints/hyperliquid-smart-money/invokeWhere Hyperliquid smart money is positioned. Scans the HL leaderboard, excludes market-makers/HFT and dust/mega accounts, keeps consistent directional traders (week+month PnL > 0), then aggregates their live positions into a per-coin consensus (long/short counts, net notional, bias, conviction) plus a top-trader drill-down ranked by month PnL. A positioning signal, not a trade: consensus is often crowded and regime-dependent.$0.05 Solana112 ms2 payers100% up
  8. 100api.solenrich.com/entrypoints/runner-scan/invokeFinds fresh Solana memecoins whose on-chain buying is accelerating — the signature of a run in progress, not the lagging fact that price already moved. Measures buy-rate acceleration (5m vs 1h, 1h vs 6h), buy pressure, volume acceleration, price velocity, holder growth and liquidity trend. Classifies RUNNING / IGNITING / PARABOLIC_LATE / FADING with a 0-1 score plus reasoning. Flags wash-trade smell and liquidity pulls rather than dressing them up as momentum.$0.04 Solana88 ms2 payers100% up
  9. 100api.solenrich.com/entrypoints/check-alerts/invokePoll-based event detection for spot + Jupiter Perps. Pass a watchlist (<=10 tokens, <=10 wallets) and a `since` ISO 8601 timestamp; get alerts fired since then. Token alerts: price spikes/drops, whale inflow/outflow, concentration shifts. Wallet alerts: risk changes, portfolio value moves, position add/remove. Perps alerts per wallet: position add/close, at-risk, liquidation-approaching, pnl-swing. Stateless; the agent owns the `since` cursor.$0.008 Solana115 ms2 payers100% up
  10. 100api.solenrich.com/entrypoints/smart-money-trenches/invokeWhich proven-winner wallets are aping fresh (<6h) memecoin launches right now, and what are they buying? Vetted seed set of realized-PnL winners + conviction holders (bot-filtered, live cadence re-checked every scan). Recent buys overlaid against token launch times, ranked by distinct smart buyers + recency. Pre-ape attention signal — pair with due-diligence.$0.05 Solana100 ms2 payers100% up
  11. 100api.solenrich.com/entrypoints/stonk-reward-risk/invokePayout status for a StonkFun reward coin — what a holder observes: PAYING (payout in the last 24h), STALE, NEVER, or NOT_REWARD — plus trading cost (tax bps, round-trip %) and a 0-100 health score read from the chain: fee bps and cap, withdraw authority (must be StonkFun's distributor), fee mutability, distributions and recency, flywheel, holders and concentration, quote category, age. Call before sizing a reward-coin position.$0.005 Solana80 ms2 payers100% up
  12. 100api.kadec0.xyz/v1/interest-by-regionGoogle Trends interest by region for a keyword. Returns the subregional breakdown of Google Trends search interest inside a country - by state, province, or region - each ranked 0-100 relative to the strongest region. For regional demand mapping, geo targeting, and finding where a keyword over-indexes before spending on it.$0.03 Base99 ms2 payers100% up
  13. 100api.kadec0.xyz/v1/serp-multiMulti-engine web search (metasearch). One search query fanned out across 2-3 search engines (Brave, Yahoo, Yandex) with results deduplicated by URL and merged by reciprocal-rank fusion: consensus ranking across engines instead of one engine's bias, with per-engine rank attribution on every result.$0.05 Base83 ms2 payers100% up
  14. 100palmyr.ai/social/twitter/avatarUpdate the avatar image of an X account you control. Async: returns an operation to poll.$0.005 Solana240 ms2 payers100% up
  15. 100api.interzoid.com/getproductmatchProduct name matching: generates an AI-powered similarity key for a product name or description, so variations in naming, model numbers, and wording produce the same key. Use it to match the same product across catalogs, marketplaces, and supplier feeds, deduplicate SKUs, and compare prices.$0.01 Base262 ms2 payers100% up
  16. 100horizonpulse.dev/api/signalsCrypto market data: precomputed RSI-14, MACD and Bollinger Bands plus latest OKX perp funding for BTC, ETH and SOL, or one coin via symbol= (bad symbol: 400), with no candle fetching needed. JSON per asset: rsi14, macd {macd, signal, histogram} (null if too few candles), bollinger, lastClose, funding. From CoinGecko OHLC closes (Coinbase fallback); methodology included. Descriptive only, not a forecast and not financial advice. Errors are not charged on Base (other rails may charge).$0.005 Base131 ms2 payers100% up
  17. 100horizonpulse.dev/api/yieldDeFi yield API: current APY for stablecoin and DeFi pools in one GET, no parameters. Returns JSON: up to 25 pools ordered by a fixed filter tier then APY, each with project, chain, symbol, tvlUsd, apy, apyBase, apyReward, apyMean30d, stablecoin, exposure, ilRisk and poolId. Filters: TVL >= $10M, non-outlier APY. Figures passed through from DefiLlama at fetch time, not advice. Errors are not charged on Base (other rails may charge).$0.02 Base249 ms2 payers100% up
  18. 100horizonpulse.dev/api/portfolioWallet balance and portfolio API for one EVM address on Base and Ethereum: ETH, USDC, WETH, WBTC/cbBTC and DAI holdings with USD value. GET address=0x... (40 hex). Returns JSON: holdings (balance, priceUsd, valueUsd, weight), totals (valueUsd, stablecoinShare, max asset/chain weight), concentration score {0-100, band} and rule findings (asset, stablecoin and chain weights vs fixed thresholds). Read-only; not advice. Invalid addresses return 400, not charged on Base (other rails may charge).$0.04 Base215 ms2 payers100% up
  19. 100horizonpulse.dev/api/discourse/splitHacker News and Bluesky opinion split, NOT a poll: how public posts divide on a question. GET q; optional sides (2-4, default yes,no), window (1-30d). Returns JSON: per-side share with 95% interval and n, counts per source, links only (no text or usernames; Bluesky links include the account's public ID, DID), caveats. Refuses elections, health and a named person's conduct. Under 30 decided posts, refusals and errors: not charged.$0.03 Base236 ms2 payers100% up
  20. 100api.macaroonnetwork.com/execute/world-bank-wdi-indicator-search-v1Search live macroeconomic indicators from the World Bank's World Development Indicators (WDI) database by country and indicator (e.g. GDP, population, inflation, unemployment). Restricted exclusively to WDI, source ID 2 -- the World Bank's own flagship, wholly-owned compiled dataset -- never any of the ~90 other databases the same World Bank API also serves, some of which carry third-party reuse terms. Country and indicator can be given as free text (resolved against the World Bank's own referen$0.002 Base202 ms2 payers100% up
  21. 100agent.pocket.network/v1/kr-law-v1Korean statutes and administrative rules from the National Law Information Center: find a law by official name, abbreviation (자본시장법) or English name, quote one article verbatim, list the articles changed in the version in force, search rules. Dates and an official link on every answer; text is Korean; not legal advice. GET /v1/article, /v1/law, /v1/changes, /v1/search or POST /v1/query.$0.005 Base140 ms2 payers100% up
  22. 100ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/stock_research_briefCombine a current market quote with official recent SEC filing and insider-ownership filing metadata in one sourced company brief.$0.01 Base63 ms2 payers100% up
  23. 100minifetch.com/api/v1/x402/proxy/render/extract/url-metadataFor JavaScript-rendered pages & pages blocking native Minifetch that obeys robots.txt: fetch thru external rotating proxy, render JS in headless browser & extract same live, rich structured metadata as /extract/url-metadata (headers, favicons, title, description, canonical, meta tags, OG, JSON-LD, etc). Optional ?country= (2-letter code). Same ?fields= and ?omitEmpty= params. Not cached. Set your client timeout to at least 75 seconds. Supports GET & POST$0.004 Base210 ms2 payers100% up
  24. 100api.losbeto.xyz/trust-hashSHA-256 proof-of-data hash for audit trails: a verifiable cryptographic receipt of any Losbeto response, for agents that must prove what they were told and when.$0.0064 Base130 ms2 payers100% up
  25. 100agent.pocket.network/v1/prediction-market-intelSignals from Polymarket's live public market data: top open markets by trailing volume, the biggest consensus shifts, markets entering or leaving the top 100, and a 0-100 liquidity and spread quality score with reasons. POST /v1/top-markets, /v1/market-momentum, /v1/rotation-diff or /v1/market-quality. Not affiliated with Polymarket. Pay per request in USDC.$0.005 Base144 ms2 payers100% up
  26. 100agent.pocket.network/v1/pmic-macro-signalsScored US and global macro briefs from official data (FRED, BLS, BEA, EIA, ECB, IMF, OECD and more): inflation, labor, rates, credit stress, housing, energy, an economic calendar and Pocket Network health. Each is a 0-100 score with trend, drivers, risk flags and a citation per input. POST /v1/brief with {vertical}. Research signal, not investment advice.$0.005 Base143 ms2 payers100% up
  27. 100agent.pocket.network/v1/event-log-decodingDecode the event logs of an Ethereum transaction: ERC-20 Transfer events come back typed (from, to, raw value, contract); every other log is returned raw with its topics and data. Values are in base units. POST /v1/log with {tx_hash}. Pay per request in USDC; no account, no API key.$0.005 Base141 ms2 payers100% up
  28. 100agent.pocket.network/v1/tronRead-only access to TRON mainnet on two surfaces: the Ethereum-compatible JSON-RPC methods (POST the JSON-RPC body) and the TRON HTTP API (POST /wallet/... with a JSON body). Served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base142 ms2 payers100% up
  29. 100agent.pocket.network/v1/tx-explainExplains an EVM transaction in plain language: decoded intent, asset movements, approvals, and risk flags. POST /v1/tool with {tx_hash, chain_id}, or GET /v1/explain with query params, and get one JSON object with a summary, moved assets, gas, parties, and risk flags. Deterministic for identical input. Pay per request in USDC; no account, no API key.$0.005 Base144 ms2 payers100% up
  30. 100agent.pocket.network/v1/kr-export-pulse-v1South Korea's export statistics from Korea Customs Service: 10-day provisional totals for semiconductors, cars and 8 other major items, changes versus the prior month and year with item contributions, monthly trade by HS code and country, and a revision log. GET /v1/pulse, /v1/tenday, /v1/hs?hs=, or POST /v1/query in Korean or English. Pay per request in USDC; no API key.$0.005 Base143 ms2 payers100% up
  31. 100agent.pocket.network/v1/french-company-check-v1Legal identity and risk check for a French company from SIRENE/RNE, BODACC and VIES: legal name, SIREN/SIRET, address, NAF code, state, officers, VAT number and dated insolvency notices, with flags and action_required for anything to review. POST /v1/company with siren, siret or q (company or director name). Pay per request in USDC; no account, no API key.$0.005 Base148 ms2 payers100% up
  32. 100agent.pocket.network/v1/federal-contract-oppsSearch live federal contract opportunities from SAM.gov: solicitations, set-asides, and deadlines. POST /v1/federal with a {query} and get matching opportunities as one JSON object. Deterministic per notice. Pay per request in USDC; no account, no API key.$0.005 Base141 ms2 payers100% up
  33. 100agent.pocket.network/v1/insider-transactionsSEC Form 3, 4, and 5 insider transactions: filer, issuer, transaction date, shares, price, and role. POST /v1/insider with a {cik} and optional limit and get the filings back as one JSON object. Deterministic per filing. Pay per request in USDC; no account, no API key.$0.005 Base140 ms2 payers100% up
  34. 100agent.pocket.network/v1/entity-registrationVerify SAM.gov entity registrations: UEI, legal name, registration status, and expiration. POST /v1/entity with a {name} (or UEI) and get the matching records as one JSON object. Deterministic per record. Pay per request in USDC; no account, no API key.$0.005 Base147 ms2 payers100% up
  35. 100agent.pocket.network/v1/dart-kr-events-v1Korean listed-company disclosures from OpenDART: filings tagged original, correction or withdrawal, corrections linked to originals with term diffs, and a point-in-time view. GET /v1/corp?name=, /v1/filings, /v1/changes, /v1/asof with an 8-digit corp_code, or POST /v1/query with a question in Korean or English. Pay per request in USDC; no account, no API key.$0.005 Base143 ms2 payers100% up
  36. 100agent.pocket.network/v1/pretty-chartsRenders a chart from inline data (CSV, TSV, JSON or row values) and returns it as static SVG, or a complete HTML document, inside a JSON object. POST /v1/chart with either a full Vega-Lite v6 spec or the shorthand form (type, x, y, color, ranges, colors, theme). Every data mark carries a native tooltip, so nothing is scripted. Pay per request in USDC; no account, no API key.$0.005 Base148 ms2 payers100% up
  37. 100agent.pocket.network/v1/akashRead-only access to Akash Network mainnet, the decentralised compute marketplace: the CometBFT RPC (as JSON-RPC or GET routes such as /status and /block) and the Cosmos SDK LCD (GET /cosmos/... and the chain's own modules). Served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base144 ms2 payers100% up
  38. 100agent.pocket.network/v1/pocketRead-only access to Pocket Network mainnet (Shannon), the protocol this portal relays through: the CometBFT RPC as JSON-RPC or GET routes (/status, /block) and the Cosmos SDK LCD with the poktroll modules (services, applications, suppliers, gateways, sessions, claims, governance params). An agent can query the protocol it pays through. Pay per request in USDC; no account, no API key.$0.005 Base169 ms2 payers100% up
  39. 100agent.pocket.network/v1/token-metadataCanonical token metadata across 6 EVM chains: symbol, decimals, name, logo, and token-list provenance. POST /v1/token with {address, chain_id} and get one JSON object back. Deterministic per token-list vintage. Pay per request in USDC; no account, no API key.$0.005 Base144 ms2 payers100% up
  40. 100agent.pocket.network/v1/pmic-pharma-signalsScored drug-market and company safety briefs from openFDA, FDA, BLS and ClinicalTrials.gov: recalls, adverse events, approvals, trial pipelines, shortages, device safety, warning letters and drug prices, for the US market and for Pfizer, Lilly and J&J. Each is a 0-100 score with drivers and citations. POST /v1/brief with {vertical}. Research signal, not medical or investment advice.$0.005 Base148 ms2 payers100% up
  41. 100agent.pocket.network/v1/pmic-company-signalsScored SEC EDGAR briefs for 14 large US companies (Apple, Microsoft, Nvidia, Amazon, JPMorgan, Pfizer and more): fundamentals, filing risk, insider activity, balance sheet, peer ranking, earnings quality, buybacks, 13F ownership and more, each a 0-100 score with SEC citations. POST /v1/brief with {vertical, entity_id}. Research signal, not investment advice.$0.005 Base150 ms2 payers100% up
  42. 100agent.pocket.network/v1/structured-web-extractionFetch a web page and return structured data: standard fields (title, description, language, h1, OpenGraph, author, published), headings, JSON-LD and a text excerpt. Optional schema picks named fields or applies regexes to the HTML. POST /v1/url with {url}. JavaScript is not executed; pages are cached for 10 minutes. Pay per request in USDC; no account, no API key.$0.005 Base140 ms2 payers100% up
  43. 100agent.pocket.network/v1/osmosisRead-only access to Osmosis mainnet, the Cosmos liquidity hub: the CometBFT RPC (as JSON-RPC or GET routes such as /status and /block) and the Cosmos SDK LCD (GET /cosmos/... and the chain's own modules). Served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base151 ms2 payers100% up
  44. 100agent.pocket.network/v1/backtest-reconcile-v1Do the claimed backtest numbers follow from the trades? Send a TradingView "List of trades" CSV or a JSON trade list with the claimed metrics; get net profit, win rate, profit factor, drawdown and per-trade P&L recomputed, each claim marked MATCH or MISMATCH, and findings such as cost-free backtests. Deterministic, no market data. POST /v1/reconcile.$0.005 Base144 ms2 payers100% up
  45. 100agent.pocket.network/v1/fdaFDA drug labeling sections and FAERS adverse-event aggregates in agent-consumable JSON. POST /v1/fda with a {drug} and get label highlights and adverse-event counts as one JSON object. Deterministic per cached dataset. Pay per request in USDC; no account, no API key.$0.005 Base145 ms2 payers100% up
  46. 100agent.pocket.network/v1/url-fetch-markdownFetch a URL and return its title and readable body text, with navigation and boilerplate stripped. POST /v1/url with {url} and get one JSON object back. The text is flattened: headings, links and lists are not kept as markdown structure. Responses may be served from cache. Pay per request in USDC; no account, no API key.$0.005 Base157 ms2 payers100% up
  47. 100agent.pocket.network/v1/structured-extractionRule-based extraction of named fields from text; not a language model, it returns only what the text states. POST /v1/extract with {text, schema}: schema is a JSON Schema, a list of field names, or {fields: {name: regex}}. Built-in fields include email, phone, date, url, money and company; other fields come from "Label: value" lines. Pay per request in USDC; no account, no API key.$0.005 Base144 ms2 payers100% up
  48. 100agent.pocket.network/v1/tx-decodingDecodes raw EVM transactions and calldata into agent-readable intent: function signature, decoded arguments, and ERC-20 transfers. POST /v1/evm with {tx_hash, chain_id} and get one JSON object back. Fully deterministic: input determines output. Pay per request in USDC; no account, no API key.$0.005 Base139 ms2 payers100% up
  49. 100agent.pocket.network/v1/contract-abiVerified EVM contract source and ABI across 6 chains, with EIP-1967 proxy detection. POST /v1/evm with a contract {address, chain_id} and get its verified source, ABI, and proxy resolution as one JSON object. Deterministic per upstream verification state. Pay per request in USDC; no account, no API key.$0.005 Base141 ms2 payers100% up
  50. 100agent.pocket.network/v1/url-phishing-reputationCheck a URL for phishing signs without fetching it: raw IP hosts, punycode, user@host, credential words in the host, very long hosts and deep subdomains. The verdict is suspicious or unknown, never clean, because no threat database is consulted; the response says what ran. POST /v1/reputation with {url}. Pay per request in USDC; no account, no API key.$0.005 Base142 ms2 payers100% up
  51. 100stabletravel.dev/api/seats-aero/availabilityRetrieve bulk cached Seats.aero award availability for a mileage program, optionally filtered by region, date, and cabin.$0.04 Base204 ms2 payers100% up
  52. 100agent.pocket.network/v1/avaxRead-only JSON-RPC access to the Avalanche C-Chain, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base144 ms2 payers100% up
  53. 100agent.pocket.network/v1/xrplevmRead-only JSON-RPC access to the XRPL EVM sidechain mainnet, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base139 ms2 payers100% up
  54. 100agent.pocket.network/v1/scrollRead-only JSON-RPC access to Scroll, the zkEVM rollup on Ethereum, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base147 ms2 payers100% up
  55. 100agent.pocket.network/v1/inkRead-only JSON-RPC access to Ink, the OP-Stack L2 by Kraken, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base144 ms2 payers100% up
  56. 100agent.pocket.network/v1/fantomRead-only JSON-RPC access to Fantom Opera mainnet, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base143 ms2 payers100% up
  57. 100agent.pocket.network/v1/dart-correction-impact-v1Which parts of a report did a later DART correction change? Send a Korean listed company, the receipt numbers your report cites and/or its text; get corrections in the window, each cited filing marked CURRENT, SUPERSEDED or WITHDRAWN, and numbers equal to a corrected old value marked STALE. Matching is literal, so check each match. POST /v1/impact.$0.005 Base143 ms2 payers100% up
  58. 100x402.ottoai.services/token-scoreToken score by contract address: one 0-100 composite of a Base token market structure from seven weighted factors — USD liquidity, holder concentration and count, 24h volume, market age, pool breadth, price stability. Every sub-score, weight and raw input comes back, so the score can be recomputed. A factor whose data plane is unavailable is reported absent, never filled. Market structure, not a contract-security screen. $0.01 per call.$0.01 Base191 ms2 payers100% up
  59. 100x402.ottoai.services/domain-reportOne call returns the full domain profile for vetting, deliverability, or phishing/fraud checks: live DNS (A/MX/NS + record counts), RDAP/WHOIS registration (registrar, domain age, expiry, status, DNSSEC) and email authentication (SPF, DMARC policy, detected DKIM selectors) — plus a one-line summary. Bundles three lookups into one hourly-fresh read. Keyless, license-clean, pay-per-call.$0.02 Base174 ms2 payers100% up
  60. 100x402.ottoai.services/analyst-ratingsAnalyst consensus for a ticker — buy/hold/sell distribution with a consensus label and up to six months of drift to read the street's direction.$0.003 solana183 ms2 payers100% up
  61. 100hubvibe-io.com/work/market/predictionPrediction market odds: live Polymarket markets on any topic (elections, Fed rate cuts, crypto, sports, AI, geopolitics) with the probability each outcome implies as a percentage, plus volume, liquidity and end date. Search by topic words or tickers (BTC, 'fed rate cut') or take the biggest markets. A topic no open market matches is refused free, never sold empty. Input: optional query, limit. One market by slug: prediction.market.$0.05 Base67 ms2 payers100% up
  62. 100api.oblique.markets/api/v1/paid/crypto-priceUse when an agent needs a current USD price for a major token by symbol before quoting, converting or rebalancing. Returns Spot USD price for one crypto asset by ticker symbol, with 24h change, market cap and volume when the source reports them. $0.004.$0.004 Base69 ms2 payers100% up
  63. 100x402.freeq.one/tools/mermaidMermaid Diagram Renderer: Render a Mermaid diagram to an image (PNG or SVG). Returns a base64-encoded image (MCP content type image). Options: format (png|svg), theme (default|dark|forest|neutral), scale (1-4, PNG only). Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/mermaid.$0.005 Base275 ms2 payers100% up
  64. 100data.greeneris.io/v1/pypi/packageLatest-release metadata from the official PyPI JSON API (live): version, license, requires_python compatibility, requires_dist dependency specs (max 100), yanked flag, last upload time and project URLs. Query: ?pkg=requests. No personal author/maintainer data. 1h cache.$0.002 Base103 ms2 payers100% up
  65. 100coil.trade/api/crypto/day24/7 crypto day-state board — 81 Robinhood-tradable coins (BTC, ETH, SOL, XRP, DOGE…). Per coin: price, 24h/7d change, trend vs 20/50/200-day, ATR%, RS vs BTC, tape lights, volume z, room to the 20d high, UP/CHOP/DOWN state, ranks — PLUS day-trade grades: GO, FUEL and EFF vs the BTC anchor, SETUP shape and ROOM in bars. Publishes every ~5 minutes around the clock. A state map, not a ranking. Research, not advice.$0.005 Base103 ms2 payers100% up
  66. 100coil.trade/api/board/cryptoBitcoin and Ethereum trend signal — is crypto risk-on right now? One read returns the long-only trend state for BTC and ETH (LONG or CASH per sleeve), each sleeve's 50-day trend gate, and the BTC 200-day master gate that overrides both — all evaluated strictly on UTC daily closes, with live price and day change. A rules-based regime verdict for agents, not raw price data. Long-only: the answer is in or out, never short. Research, not advice.$0.005 Base159 ms2 payers100% up
  67. 100mart402.com/v1/jp-bonus-netJapan bonus net pay: social insurance premiums and withholding tax from the official bonus rate table (needs previous-month salary). Deterministic, cited sources. $0.01/call.$0.01 Base148 ms2 payers100% up
  68. 100api.sitecheck-api.workers.dev/api/contactsCompany contact enrichment from a domain: emails (same-domain flagged), phones, social profiles, description and tech stack, read from the home, contact, about and legal pages.$0.01 Base68 ms2 payers100% up
  69. 100api.webbersites.com/api/qrQR code generator: GET ?data=<text|url> and receive a scannable QR as SVG plus PNG (base64) and a data: URI. Options: size (px, default 512), margin (quiet-zone modules, default 2), ecc (L|M|Q|H, default M), dark/light hex colors. Deterministic, no network, no tracking — encode URLs, wifi, vCards, or payment URIs up to 2,000 chars.$0.01 Base102 ms2 payers100% up
  70. 100api.oblique.markets/api/v1/paid/bazaar-seller-rankUse when an agent needs bazaar seller rank. Returns x402 Bazaar seller leaderboard: top 25 seller addresses ranked by settled 30d calls in the latest daily full-catalogue snapshot, with listing count, unique 30d payers and each seller’s busiest resource. $0.003.$0.003 Base248 ms2 payers100% up
  71. 100netintel.dev/currency-exchange/convertConvert 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.$0.01 Base108 ms2 payers100% up
  72. 100agent402.tools/v1/nano/chat/completionsOpenAI-compatible chat completions, nano tier: gpt-6-luna (the default), gpt-5.6-luna, claude haiku 5.5, gemini flash-lite, small llama/ministral, deepseek v4.1 flash, deepseek-chat - $0.003 per call in USDC over x402, priced for high-frequency agent loops.$0.003 Base96 ms2 payers100% up
  73. 100x402.ottoai.services/equity-intelSEC filings and company fundamentals by US-listed ticker: revenue, net income, YoY growth, margin, EPS, assets, liabilities, leverage and cash, plus recent 10-K, 10-Q and 8-K filing links and an AI analysis. SEC EDGAR source; a ticker with no USD issuer fundamentals (funds, non-USD-only or stale filers) is refused with a 404, uncharged. Fundamentals and filing research, not a stock-price feed.$0.003 Base186 ms2 payers100% up
  74. 100x402.ottoai.services/pools-trendingTrending DEX pools right now — Base, Ethereum, Solana, Polygon, BSC, Arbitrum, Optimism, Avalanche, or network=all for cross-chain across those same 8. Top 10 hottest pools ranked by GeckoTerminal 24h trending: pool address, DEX, price USD, 24h price change, 24h volume, liquidity (TVL), FDV, 24h txns as flat JSON numbers. Trending pools, hot pools, top movers, momentum screener, what is pumping. $0.001 per call.$0.001 Base185 ms2 payers100% up
  75. 100mart402.com/v1/jp-crypto-taxJapan crypto-asset tax: realized income under the NTA total-average or moving-average method (sell/spend/exchange as disposals, fees deductible, opening balances). Verified against the official NTA FAQ examples to the yen. Max 300 transactions per call. $0.05/call.$0.05 Base90 ms2 payers100% up
  76. 100mart402.com/v1/ocrOCR image to text with hallucination guard: dual-engine consensus, calibrated confidence, per-segment corroboration. Japanese-strong (latin too). Flat $0.05/image.$0.05 Base92 ms2 payers100% up
  77. 100netintel.dev/username-check/lookupCheck username availability across 20+ social platforms and developer sites simultaneously — returns which platforms have a profile registered under that handle so agents can find people, verify identities, scout brand handles, or check name availability before registration.$0.03 Base93 ms2 payers100% up
  78. 100netintel.dev/crypto/marketStructured live crypto market data for ~50 top assets in one JSON call: spot price and 24h open/high/low/volume/change (Coinbase Exchange) plus market cap, rank and circulating/total/max supply (CoinGecko). Quote in USD, EUR or GBP; defaults symbol=BTC vs=USD, so a bare call returns Bitcoin. 60s cache, keyless upstreams — the purpose-built replacement for scraping exchange price pages.$0.005 Base107 ms2 payers100% up
  79. 100stabletravel.dev/api/flightaware/airports/EWR/delaysGet current delay information for a specific airport$0.02 Base95 ms2 payers100% up
  80. 100x402.freeq.one/tools/raas_project_provisionRaaS Project Provisioner: Provision a Referral-as-a-Service (RaaS) project — one-time $0.05. Returns project_id and apiKey (hashed server-side; shown once — store now). Then call https://api.freeq.one/v1/raas with x-api-key: mint referral codes, track stats, and credit referrers when referred x402 settlements verify on Base. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/raas_project_provision.$0.05 Base192 ms2 payers100% up
  81. 100stabletravel.dev/api/flightaware/airports/KJFK/delaysGet current delay information for a specific airport$0.02 Base108 ms2 payers100% up
  82. 100x402.freeq.one/tools/webhook_catchEphemeral webhook receiver. Creates a single-use HTTPS URL that catches any POST (Stripe, GitHub, internal) for 1 hour; senders pay nothing. Read captured events for $0.01 per read, extend for $0.05/hour. Response returns hook_url, read_url, extend_url, expires_at.$0.05 Base112 ms2 payers100% up
  83. 100flat-rate-llm.kikoribera03.workers.dev/v2/inferenciaLLM inference at a flat $0.005 per call, with no account, no API key and no token metering. POST a prompt, get the completion: the same price for 10 tokens or 4000, while metered gateways scale with usage. Automatic failover across several large models; typical response under 1s. Pay per call in USDC over x402 - nothing to sign up for.$0.005 Base276 ms2 payers100% up
  84. 100ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/evm_logsRead contract event logs across a strictly bounded block range with an optional topic0 filter and capped response count.$0.003 Base103 ms2 payers100% up
  85. 100ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/token_auditRun a low-cost token security audit and honeypot check using current automated GoPlus risk fields for a supported EVM contract. These third-party signals are not a guarantee of safety.$0.003 Base241 ms2 payers100% up
  86. 100api.oblique.markets/api/v1/paid/b402-preflightUse when an agent needs b402 preflight. Returns Validate BNB/B402 payment intent freshness, recipient, amount, deadline, fee cap, public BNB balance, and recent activity without custody or payment relay. $0.01.$0.01 Base119 ms2 payers100% up
  87. 100scan.openverbs.com/v1/kevCheck up to 50 CVE IDs against CISA's Known Exploited Vulnerabilities (KEV) catalog. Returns membership, vendor/product, exploitation evidence, ransomware-use status and remediation guidance from CC0 data. Not listed does not mean safe or unexploited. Federal due dates are not global deadlines. Refreshed hourly; stale snapshots are explicitly flagged.$0.006 Base287 ms2 payers100% up
  88. 100x402-filings.datalayer.workers.dev/v1/fda/enforcementFDA recall and enforcement records across drug, device and food, normalised into one shape with classification, reason, distribution scope and firm. Queryable by firm, product, classification and date. One product type returning nothing never fails the call — the three openFDA endpoints are independent and a gap in one is not a gap in the others.$0.01 Base107 ms2 payers100% up
  89. 100x402-filings.datalayer.workers.dev/v1/research/papersAcademic literature from Crossref, the DOI registry itself. Search by topic, author or exact DOI and get normalised records with citation counts, journal, publisher, authors with affiliations, and an open-access flag, plus a cohort view: median citations, most-cited work and the year range. Filter by minimum citations, publication year or open access only.$0.01 Base61 ms2 payers100% up
  90. 100nzdata.zakwins.workers.dev/nz/validate/bankValidate an NZ bank account number check digit (IRD algorithms A-G/X), normalise BB-bbbb-AAAAAAA-SSS and identify the bank code$0.001 Base287 ms2 payers100% up
  91. 100nzdata.zakwins.workers.dev/nz/holidaysNZ public holidays 2022-2030 incl. Matariki, Mondayisation and optional regional anniversary day$0.002 Base271 ms2 payers100% up
  92. 100gibai.app/activity/:nameEvery one of the world's 100 largest banks scored on a single Bitcoin or digital-asset activity, ranked best to worst. Pass an activity in the path: custody, spot trading, ETF access, derivatives, margin lending, stablecoins, ETP issuance, blockchain infrastructure, tokenization, yield, balance-sheet holdings, licences, underwriting, advocacy, on-chain transparency or adoption depth. Answers: which banks actually offer this today. Free /activities lists all 16; an unmatched name is not charged.$0.01 Base249 ms2 payers100% up
  93. 100data.greeneris.io/v1/fx/latestLatest European Central Bank reference exchange rates, normalized JSON. Query: ?base=EUR&symbols=USD,GBP,JPY (symbols optional -> all). Rates update once per working day; served with a 1h cache.$0.001 Base77 ms2 payers100% up
  94. 100globalrules-api.onrender.com/api/v1/country/SG/currencyOne 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 Base228 ms2 payers100% up
  95. 100x402.ochinimus.app/api/funding-extremesFunding rate extremes across every Hyperliquid perp above a liquidity floor: the most positive and most negative funding with annualized %, 24h price move and open interest. Use when you need to answer: Which trades are most crowded by funding? The most crowded trades in the market — crowded shorts are squeeze candidates.$0.02 Solana200 ms2 payers100% up
  96. 100agentsvc.io/api/v1/proxy/screenshotWebsite screenshot: screenshot any URL as a PNG in a real browser. Returns image_base64 (base64 PNG; decode to get raw bytes). Full JS rendering via Playwright, works on SPAs and dynamic content. Params: url (required), width px (default 1280), height px (default 800), full_page boolean, wait_ms.$0.009 Base161 ms2 payers100% up
  97. 100stabletravel.dev/api/seats-aero/routesList airline flight route pairs covered by a Seats.aero mileage program source. These are origin/destination airport pairs, not API routes.$0.01 Base122 ms2 payers100% up
  98. 100data.greeneris.io/v1/fx/historyEuropean Central Bank reference exchange rates for any past date or date range (business days since 1999-01-04), via frankfurter.dev. Query: ?date=2026-05-01 for one day, or ?start=2026-05-01&end=2026-05-08 for a daily series (max 366 days), plus ?base=EUR&symbols=USD,GBP (symbols optional -> all). Series responses nest rates by date. Historical data is immutable; served with a 24h cache.$0.002 Base76 ms2 payers100% up
  99. 100data.greeneris.io/v1/fx/officialOfficial US Treasury Reporting Rates of Exchange: the legal USD conversion rates required for FBAR/8938 filings and US federal accounting, covering ~170 currencies including exotics absent from ECB feeds. Query: ?currencies=Euro Zone-Euro,Japan-Yen (optional, all if omitted) and ?date=YYYY-MM-DD (latest quarterly rate at or before that date, default today). Returns units of foreign currency per 1 USD. Source updates quarterly; served with a 7-day cache.$0.005 Base106 ms2 payers100% up
  100. 100api.oblique.markets/api/v1/paid/summarizeUse when an agent needs summarize. Returns Summarize text as bullet points, a paragraph, or a single line — deterministic flash-model summarization with hard input/output caps. $0.008.$0.008 Base75 ms2 payers100% up