x402watch

24,397 paid endpoints are listed. 23,418 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 2026-10-03 05:30 UTC · 24,397 probed

23,418 answering 402410 down433 rejecting136 no paywall2,435 price drift
  1. 95api.agentstools.dev/resolveBasename/ENS resolution on Base: forward name->address (give 'name') or reverse address->name (give 'address', forward-verified against spoofing).$0.005 Base574 ms2 payers100% up
  2. 95api.agentstools.dev/rwa/yieldYield facet for a tokenized-RWA product: pool-level APY, base APY, reward APY, the 30-day mean APY and the 30-day change, plus a TVL-weighted average across the product's pools, from the DefiLlama yields feed. Reports availability false when the product has no tracked pools. Cited to the open-data source.$0.008 Base504 ms2 payers100% up
  3. 95api.agentstools.dev/energy/electricityUS electricity data from the EIA grid monitor and retail survey: generation mix by fuel type with percentage breakdown (latest hour), demand by region, and average retail price by state/sector (monthly).$0.008 Base583 ms2 payers100% up
  4. 95api.agentstools.dev/docs/snippetWorking code snippets for a library, matched to a topic. Give an ecosystem, package name and a topic or symbol and get the fenced code blocks from the README or docs whose language, code or nearest heading matches, each with a source citation and an honest truncated flag. Ideal for grounding a coding agent in real usage examples.$0.008 Base439 ms2 payers100% up
  5. 95api.agentstools.dev/code/inspectStatic application-security scan of a single code blob for CWE Top-25 logic bugs (SQL injection, XSS, command injection, SSRF, path traversal, insecure deserialization, weak crypto and more). Pass the code and its language; returns a verdict with per-finding CWE, severity and line. Static indicators, not a guarantee.$0.008 Base568 ms2 payers100% up
  6. 95api.agentstools.dev/timing/indicatorsBitcoin valuation dashboard in one call: AHR999, Mayer Multiple, 200-week MA deviation and Pi-Cycle Top proximity, each with its own zone and signal. MVRV is an honest gated scaffold (no keyless source). Keyless, computed from DefiLlama daily and weekly price history.$0.05 Base388 ms2 payers100% up
  7. 95api.agentstools.dev/answerCited answer (RAG): a natural-language question is answered by searching the public web, reading the top pages and synthesizing a grounded answer with a list of source URLs. Answer cites only the retrieved sources (anti-hallucination).$0.01 Base515 ms2 payers100% up
  8. 95api.agentstools.dev/ci/scanStatic security scan of a CI/CD pipeline config: GitHub Actions, GitLab CI or CircleCI. Detects unpinned actions / images / orbs, template and environment injection, dangerous triggers, over-broad workflow-token permissions, secrets leaked to logs, cache poisoning and more. Returns a verdict (pass, caution, block), a 0-100 risk score and per-finding rule, severity, object, location and a concrete fix hint. Security indicators, not a guarantee.$0.02 Base563 ms2 payers100% up
  9. 95assay.cascadiantech.com/v1/pools/newLiquidity pools created on Base mainnet in the last 24 hours, newest first, one page per call, filterable by exchange and flag. Each pool carries measured facts, each with the block it was read at, and true/false/unknown flags, with evidence for every true or unknown one; anything missing is stated in words. No score. Payment on Base mainnet.$0.02 Base471 ms2 payers100% up
  10. 95agent402.tools/api/weather-alertsActive National Weather Service alerts for a US state as clean JSON: event, severity, headline, affected areas, onset/expiry. Live government data, no key.$0.002 Base345 ms2 payers100% up
  11. 95agent402.tools/api/selector-lookupResolve a 4-byte function selector or a 32-byte event topic hash to its known human-readable Solidity signatures, via the openchain.xyz signature database with 4byte.directory as fallback. Unknown selectors return {found:false} with an empty list, not an error.$0.002 Base320 ms2 payers100% up
  12. 95agent402.tools/api/nft-holdingsReturn the NFTs owned by a wallet address on a given network. Each row carries the collection name, contract address, token ID, image URL (where available), and ERC-721 vs ERC-1155 standard. Up to 100 per call - paginate with `pageKey` from the previous response.$0.002 Base347 ms2 payers100% up
  13. 95agent402.tools/api/mev-recent-blocksLast N MEV-Boost-built blocks via the Flashbots relay. For each block: slot, block number/hash, builder pubkey, proposer pubkey, gas used/limit, ETH paid to the proposer, and tx count. Use to monitor block-builder market share, proposer revenue, or to correlate an arbitrage opportunity with the block it landed in.$0.002 Base306 ms2 payers100% up
  14. 95agent402.tools/api/kalshi-marketsList Kalshi markets (CFTC-regulated US event contracts). Filter by status (open/closed/settled/unopened) or by event ticker. Returns yes/no bid/ask, last price, volume, open interest, and the resting contract size at the best yes bid and ask (yesBidSize/yesAskSize). Covers US-regulated markets and Kalshi-only categories (weather, economic data).$0.002 Base309 ms2 payers100% up
  15. 95agent402.tools/api/dns-propagationResolve the same DNS record against 4 public resolvers (Google, Cloudflare, Quad9, OpenDNS) in parallel; surface divergences. The first call you make after a DNS change - confirms the world sees what you intended.$0.002 Base320 ms2 payers100% up
  16. 95agent402.tools/api/dex-quoteSpot quote for swapping through a Uniswap V3 pool at the current tick. amountIn is in human units (not wei). zeroForOne=true sends token0 → token1; false sends token1 → token0. Returns amountOut net of the pool's fee tier. NOTE: this is a single-tick spot quote - slippage from depleting concentrated liquidity is NOT modeled. Use for indicative pricing; for production swaps quote against the Uniswap SDK.$0.002 Base332 ms2 payers100% up
  17. 95api.cryptoetfsentinel.com/v1/profiles/issuerCrypto ETF Sentinel — Latest POS AM-extracted operational profile for one US spot crypto ETF issuer: custodian, sponsor fee, AP counts, in-kind eligibility, basket size. Use when you need one fund's current plumbing terms. Pass the issuer's SEC CIK as cik.$0.03 Base650 ms2 payers100% up
  18. 95api.clawfetch.ai/extractStructured data extraction returning typed JSON from 17 specialized site extractors: Twitter/X, GitHub, CoinGecko, Hacker News, YouTube, Wikipedia, npm, PyPI, crates.io, Product Hunt, IMDb, Amazon, Crunchbase, SEC EDGAR, Zillow, Redfin, and news articles. Auto-detects the right extractor from the URL — no scraping selectors required.$0.008 Base610 ms2 payers100% up
  19. 95x402.twit.sh/tweets/retweeted_byGet the list of Twitter/X users who reposted a specific tweet. Returns paginated user profiles for a given tweet ID. Query params: id (string, required) - numeric tweet ID; next_token (string, optional) - pagination cursor, e.g. GET /tweets/retweeted_by?id=1110302988. Returns X v2 API-compatible JSON.$0.01 Base541 ms2 payers100% up
  20. 95midax402.com/midas-ops/premiumMIDAX402: Evidence+ x402 intelligence with expanded corpus retrieval, local risk brief, contradiction scan and concrete action plan. We do not grade our own answer: the verdict is answered or needs_more_data (grounded in the corpus or not); evidence_grade (thin/moderate/broad) grades that evidence, auditable via retrieved_corpus_ids. confidence_score is DEPRECATED, still served as a band projection.$0.07 Base427 ms2 payers100% up
  21. 95worxai.tech/api/x402/v2/analyticsLive call volume and revenue analytics across all WorxAI x402 endpoints — total settled calls, USDC revenue, page/AI-visitor traffic, and a per-endpoint breakdown. Useful for agents benchmarking or auditing this API before committing to a larger dataset purchase. Analytics access costs $0.035 per delivered row per successful call.$0.035 Base477 ms2 payers100% up
  22. 95agenttoll.app/api/base/scoutNew token scan with a safety verdict attached: today's new Base pools above your liquidity floor, each already checked for honeypot, taxes and owner powers. One call instead of N+1$0.008 Base534 ms2 payers100% up
  23. 95api.munition.io/v1/flights/searchMunition Flight Search: x402-paid live flight offer search for AI agents. Pay 0.05 USDC to search Duffel flight offers and receive compact normalized itineraries, prices, carriers, and metadata suitable for replay and downstream planning.$0.05 Base524 ms2 payers100% up
  24. 95keyring-agent.blockchhub.link/api/supply-usdcPay the supply-usdc execution fee (supply USDC to a lending market)$0.10 Base516 ms2 payers100% up
  25. 95api.munition.io/v1/serper/searchMunition Google Search: x402-paid Google web search results for AI agents via Serper. Pay 0.004 USDC per query for organic results (title, link, snippet, position), answer box, knowledge graph, people-also-ask and related searches. Country and language selectable.$0.004 Base340 ms2 payers100% up
  26. 95api.nansen.ai/api/v1/profiler/perp-positionsGet Perpetual Positions Data$0.01 Base488 ms2 payers100% up
  27. 95intel.rallylive.ca/monitor/keywordKeyword monitor: fetches a page and reports, for each keyword you give (comma-separated after the URL), whether it is present in the readable text, how many times, and a context snippet; also remembers the previous result per URL so it can tell you which keywords appeared or disappeared since your last call. 'Sold out', 'in stock', price wording, name mentions. $0.01 per check.$0.01 Base667 ms2 payers100% up
  28. 95spa-dom-to-md.jannioura.workers.dev/Renders JavaScript-heavy SPA pages in real headless Chromium via Cloudflare Browser Rendering, waits for network-idle / selector-ready, strips nav/footer/script chrome, and serializes the fully-rendered DOM into clean, LLM-ready Markdown.$0.03 Base370 ms2 payers100% up
  29. 95scry.solanahub.de/x402/solana/agent-intel-briefAgent-orchestrator Solana wallet-intelligence brief via x402: 24h/7d context, cutoffs, coverage gaps, and next evidence depth. Use to choose the next Scry route — not as a substitute for a known-wallet dossier, Birdeye charts, or Nansen smart-money. Evidence routing only.$0.03 Solana570 ms2 payers100% up
  30. 95witnessd.vip/api/witnessIndependently fetch, hash, timestamp and archive a URL or API response; returns a signed certificate. Merkle-anchored on Base hourly. Neutral third-party evidence for agent commerce disputes.$0.02 Base965 ms2 payers100% up
  31. 95api.reloadpi.com/api/catalog/topups/regionsReloadpi — List available regions for mobile top-up services$0.001 Base487 ms2 payers100% up
  32. 95wasm-geotiff-transcoder.jannioura.workers.dev/Decodes a GeoTIFF/COG (https URL or inline base64), reads the selected RGB bands via windowed overview reads, applies a tone-map stretch, and returns a PNG/WebP plus georeference metadata (CRS, bounds, pixel scale) and source stats. Limits: 20 MB source, 2048 px output width. Billed per attempt: payment settles after structural validation, before decode, so decode-time failures (e.g. a bands_rgb band the source lacks) are still charged.$0.03 Base430 ms2 payers100% up
  33. 95svg-bar-chart-renderer.jannioura.workers.dev/Deterministic, paid-per-render SVG bar chart generator for LLM agents. Accepts labeled scalar data and layout options, performs exact geometry math (min/max normalization, nice-interval y-axis ticks, label spacing, bar-width distribution), and returns schema-valid, escape-correct SVG with identical input always yielding byte-identical output.$0.015 Base477 ms2 payers100% up
  34. 95intel.rallylive.ca/dns/aaaaDNS AAAA record lookup: resolve a domain name to its IPv6 addresses with TTL and DNSSEC validation flag. Tells you whether a site is reachable over IPv6. $0.01 per lookup.$0.01 Base354 ms2 payers100% up
  35. 95intel.rallylive.ca/dns/ns-providerDNS hosting provider detection: who hosts a domain's DNS (Cloudflare, AWS Route 53, Google Cloud DNS, Azure, NS1, GoDaddy, Namecheap, DNSimple, Hurricane Electric, Vercel...) from its nameservers, including multi-provider setups. Infrastructure research and migration planning. $0.01 per domain.$0.01 Base336 ms2 payers100% up
  36. 95intel.rallylive.ca/dns/spf-flattenSPF flattener: recursively expands a domain's SPF includes and redirects into the final list of authorised IPv4/IPv6 ranges and returns a flattened record. Fix the 10-lookup limit or audit exactly which networks may send mail as the domain. $0.01 per domain.$0.01 Base400 ms2 payers100% up
  37. 95intel.rallylive.ca/site/ads-txtads.txt parser: fetches a publisher's ads.txt and lists authorised ad systems with account IDs and relationship (DIRECT/RESELLER), totals per relationship and the top ad exchanges. Ad-tech and publisher research. $0.01 per domain.$0.01 Base342 ms2 payers100% up
  38. 95intel.rallylive.ca/site/analytics-idsAnalytics and pixel ID extractor: all Google Analytics (G-/UA-), Google Tag Manager (GTM-), Google Ads (AW-), Meta Pixel, Hotjar, Clarity, HubSpot portal, LinkedIn partner, TikTok and Pinterest tag IDs found in a page's HTML. Link properties across sites, verify installs, research competitors. $0.01 per page.$0.01 Base359 ms2 payers100% up
  39. 95intel.rallylive.ca/site/shopifyShopify store detection: whether a site runs on Shopify (asset hosts, Shopify.theme object, checkout hints), the theme name and ID when visible, currency, and whether the /products.json catalog endpoint is public with a product count. E-commerce prospecting. $0.01 per site.$0.01 Base340 ms2 payers100% up
  40. 95intel.rallylive.ca/data/sunSunrise, sunset, solar noon, day length, civil twilight and golden hours for today at any place (computed from coordinates, no external data beyond geocoding). Photography, scheduling and energy planning. $0.01 per lookup.$0.01 Base310 ms2 payers100% up
  41. 95intel.rallylive.ca/page/links-statusStatus of the first 20 links on a page: each link's anchor text, final status code and whether it redirected, with ok/broken/redirected totals. Quick outbound-link health for editors and QA. $0.01 per page.$0.01 Base314 ms2 payers100% up
  42. 95intel.rallylive.ca/data/keywords-textKeyword extraction from text: the top terms and bigrams by frequency with stopwords removed. Tag, route or index agent-generated content. $0.01 per call.$0.01 Base410 ms2 payers100% up
  43. 95intel.rallylive.ca/data/language-textLanguage detection for text you send: one of 12 European languages plus Japanese, Chinese, Korean, Arabic and Russian by script, with a confidence score. Route text to the right model or translator. $0.01 per call.$0.01 Base329 ms2 payers100% up
  44. 95intel.rallylive.ca/data/password-strengthPassword strength estimate: entropy in bits, character classes used, length, common-pattern penalties (dictionary words, sequences, repeats, dates), an estimated crack time at 10 billion guesses per second and a verdict. Nothing is stored or logged. $0.01 per check.$0.01 Base338 ms2 payers100% up
  45. 95intel.rallylive.ca/data/romanRoman numeral converter both ways: an integer (1-3999) to Roman numerals or a Roman numeral to an integer, with validation. $0.01 per call.$0.01 Base319 ms2 payers100% up
  46. 95api.neurodynamic.tech/v1/audio/transcriptionsIntroductory pricing. NeuroDynamic speech-to-text transcription: convert a voice note or short audio recording into a JSON transcript. Up to 60 seconds and 12 MiB; WAV, MP3, FLAC or Ogg. No account needed. Read https://api.neurodynamic.tech/docs for inputs, privacy and payment recovery. 0.01 USDC on Base.$0.01 Base443 ms2 payers100% up
  47. 95tensorfeed.ai/api/premium/ai-safety/incidents/exposureAI safety incident exposure analytics. Per-developer and per-deployer incident counts with recency-weighted exposure_score (1.0 last 30d, 0.5 days 31-90, 0.25 older), risk_domain and SEP-view (Security/Ethics/Performance) distributions, top affected artifacts. Derived over the AVID (avidml/avid-db, MIT) snapshot refreshed daily. The "which AI vendors have the most recent reported safety incidents" call.$0.02 Base346 ms2 payers100% up
  48. 95x402-tollbooth.onrender.com/api/verifyCheck whether email addresses are real and safe to send to. Verifies up to 25 addresses per call: syntax, domain MX/A record (including null-MX), disposable-domain, role-account, free-provider and typo checks. Does not perform SMTP/mailbox verification.$0.005 Base826 ms2 payers100% up
  49. 95onvexia.com/v1/topics/rankTopic ranking. Ranked social topics for a window. Returns topics + window_hours.$0.001 Base814 ms2 payers100% up
  50. 95datoka-agent.bhazarstudio.workers.dev/v1/operations/issue_agent_receiptDatoka Agent: one signed execution declaration receipt. Retry with the same event, idempotency key and payment.$0.002 Base555 ms2 payers100% up
  51. 95mcp.blocksize.info/v1/metal/XAUUSDReal-time precious metals market data from Blocksize Capital.$0.005 Solana576 ms2 payers100% up
  52. 95x402-trends-server.onrender.com/api/crypto-marketGet live cryptocurrency price and market data from Coinbase Exchange for BTC, ETH, SOL, and other supported trading pairs. Use this crypto market API for last price, best bid and ask, 24-hour open/high/low/volume, and 30-day volume. Defaults to BTC-USD.$0.05 Base313 ms2 payers100% up
  53. 95agenttoll.app/api/watch/radarNew pool watch within a limited ranked radar listing. Returns an ISO cursor and explicit partial coverage; the listing can omit pools$0.003 Base688 ms2 payers100% up
  54. 95x402.swaphunt.dev/v1/market/coin-strengthRelative strength of a coin vs BTC over a period, returned as a category (very_strong → very_weak) plus a numeric score. Use to rank a coin's momentum against the benchmark before entering. A strength read, not a price target.$0.003 Base571 ms2 payers100% up
  55. 95datastand.dev/api/data/dev-signalsThe last 24 hours of high-signal developer news from Hacker News, ranked by engagement and classified across eleven topics: AI, devtools, data, infra, security, web, hardware, policy, business, science and culture. Every row carries a developer_relevant flag, so you can keep the engineering stories and drop the front page's politics and obituaries, about half of a typical day. Add ?since=<ISO-8601> for only what is new; an empty delta is free, and so is a since older than the window.$0.02 Base301 ms2 payers100% up
  56. 95api.deepnets.ai/api/flagged-tokensList of recently flagged Solana tokens (DANGEROUS or RISKY safety level) with reasons.$0.01 Solana517 ms2 payers100% up
  57. 95voice.forgemesh.io/v1/audio/speechOpenAI-compatible text-to-speech endpoint (input, voice, response_format) for drop-in use with code already built against the OpenAI TTS API, 1 of 10 standard voices, up to 500 characters, WAV/FLAC/OGG output. Use it to: swap OpenAI TTS calls for a pay-per-call x402 alternative, generate speech from an existing OpenAI-style client, avoid API-key management for short text-to-audio requests. USDC on Base.$0.001 Base346 ms2 payers100% up
  58. 95quotient-api-gateway.onrender.com/api/v1/latestUse this chronological feed of new forecasts and newly linked articles/X posts across Quotient-covered Polymarket International, Polymarket US, Kalshi, and HL Outcomes listings. Events include canonical venue routing, response-time venue odds with quote provenance, compact forecast context, and thesis, but omit resolution_pathway; use market detail for full rules context. The complete window avoids per-market fan-out.$0.02 Base689 ms2 payers100% up
  59. 95x402swag.com/api/agent/catalogx402swag.com — merch store for AI agents and builders. T-shirts, stickers, mugs and custom print-on-demand designs. Full catalog with prices, variants and the exact buy flow in one call.$0.05 Base501 ms2 payers100% up
  60. 95api.reloadpi.com/api/catalog/topups/purchase/infoReloadpi — Topup purchase schema. Returns request format, msisdn requirement, and example for POST /topups/purchase.$0.001 Base533 ms2 payers100% up
  61. 95api.reloadpi.com/api/catalog/topups/offersReloadpi — Search prepaid mobile top-up and airtime offers for 150+ countries worldwide$0.002 Base555 ms2 payers100% up
  62. 95api.reloadpi.com/api/catalog/vouchers/purchase/infoReloadpi — Voucher purchase schema. Returns request format, recipient fields, priceType handling, and example for POST /vouchers/purchase.$0.001 Base524 ms2 payers100% up
  63. 95api.reloadpi.com/api/catalog/vouchers/filtersReloadpi — Get available filter options for voucher search including brands, countries and categories$0.001 Base544 ms2 payers100% up
  64. 95api.reloadpi.com/api/catalog/vouchers/countriesReloadpi — List all countries where digital vouchers and gift cards are available$0.004 Base628 ms2 payers100% up
  65. 95api.reloadpi.com/api/catalog/vouchers/offersReloadpi — Search gift cards and vouchers from 5000+ brands across 150+ countries$0.002 Base604 ms2 payers100% up
  66. 95api.craigmbrown.com/v1/services/social.verified_introductionIntroduces two agents to each other only after each side's identity and delegation chain has been verified - reduces the risk of transacting with an impersonated or unauthorized counterparty. | BlindOracle by Craig M. Brown (craigmbrown.com) - counterparty-risk infrastructure sold to autonomous AI agents; self-built multi-agent framework (42+ agents); ERC-8004 agent passport #60979; paid via x402 in USDC on Base$0.01 Base219 ms2 payers92% up
  67. 95skim402.com/api/v2/readSkim: clean reader — URL to agent-ready markdown + structured metadata, ~4x smaller than raw HTML.$0.002 Base618 ms2 payers100% up
  68. 95www.thelatentlounge.com/api/play/cipherPaid single-attempt reasoning puzzle for AI agents at The Latent Lounge — peel back layered encodings (base64, hex, rot13, reverse) to recover a word. Every puzzle is freshly generated per request (no fixed test set to game), with automatic answer checking. Correct solves build streaks and rank you on the public agent leaderboard. Standard tier.$0.02 Base589 ms2 payers100% up
  69. 95api.newsgurus.ai/x402/sports/propsNews Gurus Intel API — player prop edges from the player_prop_intelligence_agent: NG-derived edge_pct, fair_prob, market_prob, direction, and pick identifiers. Raw PropsMadness hit-rate/avg/h2h/trend/consistency fields are excluded (vendor licensing). Sorted by absolute edge_pct descending. Optional ?limit= (default 25, cap 50). Educational data, not financial advice.$0.10 Base431 ms2 payers100% up
  70. 95x402.spendthebits.com/@stbclaudeprod/reputation/Eight lines on one contract before money moves: exit amount, yield split, audit links, incident note, admin, age, holder concentration, and governance. Unknown stays unknown. No score.$0.05 Base355 ms2 payers100% up
  71. 95www.watchevelive.com/printEve’s RWA print: which official number is the actual (T-bill, gold, NAV). Call for official prints, not casino coins.$0.05 Base571 ms2 payers100% up
  72. 95uxus.finance/api/risk/proFull wallet & token risk report — no API key, no account, no signup; pay per call in USDC on Base. GET ?address=0x... (required), chain=ethereum|base (default base), type=wallet|token (default wallet). Checks OFAC sanctions, scam/phishing lists, and honeypot/tax/mint signals. Returns risk_score 0-100, risk_level, a PROCEED|CAUTION|BLOCK verdict, flags[], reasons[] with severity, raw signals, and sources[]. For agents screening a counterparty before they transact.$0.01 Base774 ms2 payers100% up
  73. 95numberintel.dev/v1/npaNANP area code lookup: region, state, country, timezones, current local time, toll-free/premium/geographic flags. Static authoritative dataset (450 NPAs), sub-10ms responses.$0.02 Base310 ms2 payers100% up
  74. 95decipherranker.com/api/report/merchantGet a detailed merchant deep-dive by wallet address. Returns volume stats, buyer diversity, trend signals, and recommendations.$0.03 Base792 ms2 payers100% up
  75. 95pixels.gateway.clawca.sh/v1/passport/urlAnalyze an HTTPS image URL and return a structured image passport. After evaluating the result, submit your own quick rating to POST /feedback using the returned feedback_id. Feedback is free; no payment is required. Help us improve the service!$0.03 Base801 ms2 payers100% up
  76. 95disruption.forgemesh.io/companies/namesReturns matching company names with IDs plus links to their profile and intelligence endpoints — use it to resolve a search into specific companies before paying for deeper data$0.01 Base367 ms2 payers100% up
  77. 95api.satledger.org/x402/provisionA satledger workspace and the units of recording you pay for, from 0.50 upward. One unit is one recorded event; an anchor costs 100. Exports and reads are free. Returns an API key on payment.$0.50 Base654 ms2 payers100% up
  78. 95toolvend.dev/url/inspectInspect a public URL: HEAD redirect trace, DNS A/AAAA observations and security headers in one report. At most 4 targets, no page body. Includes timestamps, partial-result warnings and factual findings; no safety or reputation verdict.$0.009 Solana581 ms2 payers100% up
  79. 95quotient-api-gateway.onrender.com/api/v1/sourcesThe news and X/Twitter evidence behind Quotient forecasts on Polymarket International, Polymarket US, Kalshi, and HL Outcomes: recent articles and relevant posts for up to ten markets, with reasoning, evidence quotes, source tiers, authors, and canonical routing. Prefer market_keys for cross-venue or nullable-slug rows. Use this to audit a forecast or see what is moving event and asset-linked markets.$0.005 Base632 ms2 payers100% up
  80. 95agenticfinancegraph.com/check/paygraphWhere I pay: Counterparties, 30-day USD, rail split, idle flag, top-counterparty share. About one ERC-8004 agent on Base, by Agentic Finance Graph. id = token id, slug or bound wallet; an agent never seen paying is a 404 before any payment.$0.05 Base631 ms2 payers100% up
  81. 95fetchharbor.benlab.download/chatGenerate one bounded assistant response with the operator's self-hosted Ollama model. Use for short, single-message inference where local processing is preferred. Accepts up to 8,000 characters and returns the model name, response text, and token counts when Ollama supplies them.$0.01 Base927 ms2 payers100% up
  82. 95uxus.finance/api/extractPull structured JSON out of messy text or a web page — no API key, no account, no signup; pay per call in USDC on Base. POST JSON { schema: { field: type, ... } (required), and text or url }. If url is given the page is fetched and stripped first; an LLM fills the schema and missing fields come back null. Returns { data, model, latency_ms }. For agents turning an article, listing, or product page into typed fields.$0.01 Base505 ms2 payers100% up
  83. 95api.cryptoetfsentinel.com/v1/xbrl/issuerCrypto ETF Sentinel — Single-issuer XBRL snapshot for one US spot crypto ETF: latest AUM, NAV per share, shares outstanding, expense ratio, sponsor fees, total return. Use when you need one fund's latest SEC-reported financials in a single call. expense_ratio can be null if extraction missed it. Pass the issuer's SEC CIK as cik.$0.05 Base677 ms2 payers100% up
  84. 95quotient-api-gateway.onrender.com/api/v1/assets/searchUse this to resolve companies, commodities, cryptoassets, and other underlyings by name, ticker, canonical key, UUID, platform identifier, or linked-market reference. Exact-reference results return every active directly linked non-price market (an Asset's price view is its price outlook) with quote provenance, Q's latest probability and paired thesis, and publication availability. Text results summarize those markets. Probabilities and theses remain tied to their exact questions.$0.01 Base558 ms2 payers100% up
  85. 95ot-intel-api.onrender.com/ot/gcc-bulletinRecurring public "State of OT Threat Intel — GCC" sitrep, human-reviewed before publish, sourced from the same intel.db pipeline as /ot/sitrep. Pass optional issue_date (YYYY-MM-DD) for a past edition; omit for the latest reviewed edition.$0.01 Base367 ms2 payers100% up
  86. 95app.heinrichstech.com/v1/cdp/whoisBitBooth Whois: pay 0.01 USDC, get the parsed whois record for any domain — registrar, creation/updated/expiry dates, name servers, status flags, plus the raw whois text. Two-hop resolution via whois.iana.org then the authoritative registry over TCP port 43. 5s per-connection timeout cap. Rejects IPv4/IPv6 inputs and blocks SSRF at the DNS layer. Built for agents auditing domain ownership, monitoring expiry, or pre-flighting a target.$0.01 Base355 ms2 payers100% up
  87. 95api.doseplot.com/v1/simulatePharmacokinetic simulation for one compound: walks the published model at one dose and cadence and returns the modelled serum curve over the requested horizon plus a 60-day washout tail. Deterministic math over published reference data -- not medical advice, not a prescription, and for relay to a human decision-maker rather than autonomous administration.$0.01 Base934 ms2 payers100% up
  88. 95api.doseplot.com/v1/recon/planReconstitution math for one vial and one target dose: the strength to reconstitute to, the bacteriostatic water to add, what one dose reads on a U-100 syringe, whole doses per vial, residual mass and cost per dose. Deterministic arithmetic -- not medical advice, not a prescription, and for relay to a human decision-maker rather than autonomous administration.$0.01 Base661 ms2 payers100% up
  89. 95agentdata-api.sander-van-aard.workers.dev/news/searchGoogle News search for AI agents at $0.010 per call, from the same Serper.dev source as /web/search. Send a query, get back compact JSON: top news results with position, title, url, snippet, publish date and source. Tune with num (1-10 results), country and language (2-letter codes). Zero results is a valid, honest answer. Pay per call in USDC on Base, no account, no API key.$0.01 Base350 ms2 payers100% up
  90. 95kronos.forgemesh.io/api/kronos/riskReturns current market risk state, per-symbol signal streaks, and active cooldown timers — use it as a pre-trade risk gate before acting on any signal. Typical agent tasks: check if BTC or ETH is in cooldown before a trading agent acts, confirm signal streak length for momentum context, gate an autonomous workflow on risk state, or add a safety check ahead of a decision call. Fresh continuously, USDC on Base mainnet via x402.$0.02 Base529 ms2 payers100% up
  91. 95x402-api.aubr.ai/api/literatureSearch and synthesize scientific literature on longevity and aging. Submit a research question; returns cited answer with references from PubMed and other sources.$0.03 Base371 ms2 payers100% up
  92. 95agent.connskill.com/v1/keywords-for-siteKeywords a website SHOULD target, derived from its content (Google Ads data)$0.05 Base614 ms2 payers100% up
  93. 95keyring-agent.blockchhub.link/api/add-poolPay the add-pool execution fee (add liquidity to a Uniswap V3 pool)$3.00 Base536 ms2 payers100% up
  94. 95x402-micro-tollgate.onrender.com/v1/fetch-mdFetch a public http(s) URL and return Markdown. Pay-per-call via x402 USDC.$0.001 Base446 ms2 payers100% up
  95. 95agent.connskill.com/v1/domain-rankOrganic visibility overview of a domain: keyword counts by position bucket plus estimated traffic$0.05 Base643 ms2 payers100% up
  96. 95open-research-agent.com/api/reports/standardAI-generated standard research report (Open Research Agent)$0.10 Base591 ms2 payers100% up
  97. 95runtime.rootlogos.com/v1/participationOffer one bounded contribution to Root Logos for constitutional evaluation and preservation. Current open call: https://rootlogos.com/agent-call.json. Payment grants no admission or authority.$0.05 Base354 ms2 payers100% up
  98. 95automaton.outlier.money/workReal-time crypto unusual-activity signal: coins with abnormal volume/price vs their own baseline, ranked, early-flagged, across the top 250 by market cap.$0.01 Base786 ms2 payers100% up
  99. 95skim402.com/api/v2/read/jsSkim: JS-rendered reader — full headless browser render for SPAs and JS-gated pages; clean markdown ~4x smaller than raw HTML.$0.005 Base502 ms2 payers100% up
  100. 95api.cryptoetfsentinel.com/v1/profiles/historyCrypto ETF Sentinel — Chronological profile evolution for one US spot crypto ETF issuer: custodian, fee, AP-count and in-kind deltas across successive POS AM filings. Use when tracing how a fund's terms changed over time (fee cuts, custodian switches). Pass the issuer's SEC CIK as cik; optional limit.$0.05 Base587 ms2 payers100% up