x402watch

19,848 paid endpoints are listed. 19,062 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 2026-10-01 13:23 UTC · 19,848 probed

19,062 answering 402233 down426 rejecting127 no paywall2,385 price drift
  1. 98cryptyx.ai/api/metrics/slicer/scanCross-sectional z-score scanner across 200+ assets and 440+ metrics. Pick a metric and threshold; get ranked triggering assets with z, percentile, returns, composite score, and per-metric health grading. Live anomaly hunting.$0.05 Base141 ms1 payers97% up
  2. 98cryptyx.ai/api/metrics/slicerSingle-metric z-score backtest over 5+ years of history per asset. Triggers, trigger rate, and per-horizon forward-return and max-drawdown stats across 8 horizons (1d-365d). Pre-composite single-factor edge testing. Coverage: pass any asset in the CRYPTYX 200+ tracked universe (BTC, ETH, SOL, top-cap + long-tail).$0.05 Base147 ms1 payers97% up
  3. 98cryptyx.ai/api/market-pulse/factor-cross-sectionFactor term-structure grid — 7 classes by 8 horizons of market-average t-score with breadth counts and 1-day momentum delta. Per-asset mode adds delta-vs-market per cell. Read rotation in one matrix. Runs across 200+ digital assets — BTC, ETH, SOL, top-cap + long-tail coverage.$0.05 Base181 ms1 payers97% up
  4. 98cryptyx.ai/api/taker-flowDaily taker buy/sell USD and buy/sell ratio per asset, split into spot and futures arrays, last N days. Raw tape for custom flow models. Coverage: pass any asset in the CRYPTYX 200+ tracked universe (BTC, ETH, SOL, top-cap + long-tail).$0.01 Base230 ms1 payers97% up
  5. 98cryptyx.ai/api/signals/leaderboardSignal activity leaderboard over 7-365 days — per-signal trigger frequency, average confidence, assets triggered, and a per-horizon walk-forward IC/reliability block. Frequency and robustness in one pass. Runs across 200+ digital assets — BTC, ETH, SOL, top-cap + long-tail coverage.$0.01 Base244 ms1 payers97% up
  6. 98x402.ottoai.services/transaction-historyTrade and transaction history for a user's Otto AI Safe account — swaps, bridges, deposits, withdrawals with timestamps and explorer links.$0.001 Base188 ms1 payers97% up
  7. 98library.intel.rallylive.ca/library/audiobooks/subject/americansFree audiobooks on "Americans": public-domain recordings (LibriVox and Internet Archive audio) whose subject tags match, with runtime, language and mp3 links, most downloaded first. Add words to narrow. $0.01 per page of 20.$0.01 Base74 ms1 payers97% up
  8. 98x402.agentutility.ai/scrape-websiteScrapes any webpage and pulls title, description, canonical URL, OpenGraph + Twitter card metadata, headings, and outbound links from a single URL. Server-side rendering; body content rendered as text, raw HTML, or clean markdown, with optional link extraction. Cheerio-based with no headless browser, so it is fast and cheap, ideal for static pages and SSR sites. For JS-heavy SPAs that need a real browser, see website-screenshot. Use it as a web scraping API or webpage metadata extractor.$0.04 Base70 ms1 payers97% up
  9. 98api.socialfetch.dev/v1/facebook/ad-library/companies/searchSearch Facebook Ad Library companies / advertisers by name.$0.014 Base297 ms1 payers97% up
  10. 98api.socialfetch.dev/v1/instagram/reels/trendingList currently trending Instagram Reels (not a keyword search, profile-scoped, or audio-page list — use instagram.search.reels.list, instagram.profile.reels.list, or instagram.audio.reels.list for that).$0.014 Base229 ms1 payers97% up
  11. 98eltociear-tokenguard.hf.space/cexCentralised-exchange metrics: reported volume, pairs and traffic per venue.$0.02 Base213 ms1 payers97% up
  12. 98eltociear-tokenguard.hf.space/web/searchWhat does the open web say about this query? Ranked title/url/snippet results for agents, served through an automatic multi-engine failover chain so a single call still answers when any one backend is blocked, rate-limited or timing out from a datacenter IP$0.05 Base237 ms1 payers97% up
  13. 98x402.agentutility.ai/seo-snapshotAudits a page's on-page SEO in one call: head metadata, link profile, and keyword ideas. Give it a URL and get back head metadata (title, description, canonical, OG/Twitter cards), the internal/external link breakdown, and ranked keyword suggestions seeded from your seed_keyword or the page's own title. One paid call replaces three: ideal for content-gap analysis, SEO audits, competitor page reviews, programmatic SEO pipelines. Composite: one call runs url-metadata-extract + link-extract in parallel, then keyword-suggest seeded from the page title. Use it as an SEO research API for agents.$0.04 Base26 ms1 payers97% up
  14. 98x402.agentutility.ai/amortization-scheduleComputes a loan's amortization schedule and payment breakdown. Same backend as loan-amortization-calculator, focused on scheduled payment, payoff months, total paid, and interest saved. Use it as an amortization schedule API, loan payment schedule, or debt amortization calculator.$0.01 Base27 ms1 payers97% up
  15. 98x402.agentutility.ai/find-productsFind products API (alias of product-search). Returns ranked product results with buy links, retailer, snippet, and detected price for a shopping query. Backed by Decodo Google search scoped to buy intent.$0.02 Base29 ms1 payers97% up
  16. 98agentforge-taupe.vercel.app/v1/gasReal-time gas price oracle for agents timing a transaction: slow/standard/fast tiers with trend analysis for any supported EVM chain. Category: infra.$0.003 Base256 ms1 payers97% up
  17. 98agentforge-taupe.vercel.app/v1/solana/tx-simulateSimulate a Solana transaction for agents about to sign it: balance changes, labeled programs, deterministic risk rules, and a proceed/caution/avoid recommendation. Accepts USDC on Base or Solana. Category: data.$0.15 Base253 ms1 payers97% up
  18. 98agentforge-taupe.vercel.app/v1/solana/token-risk-scanSolana rug check for agents evaluating a token before buying: mint authority, freeze authority, holder concentration, and liquidity depth rolled into a composite 0-100 score. Accepts USDC on Base or Solana. Category: data.$0.35 Base263 ms1 payers97% up
  19. 98agentforge-taupe.vercel.app/v1/sentimentSentiment analysis for agents processing crypto/finance text: scores news, governance proposals, and social posts from very bearish to very bullish with per-entity breakdown. Category: inference.$0.003 Base271 ms1 payers97% up
  20. 98agentforge-taupe.vercel.app/v1/token-risk-metricsRug-check risk score for agents evaluating a token before buying: mint/freeze authority, holder concentration, and liquidity depth rolled into a composite 0-100 score. Pre-computed for top tokens, live for others. Category: data.$0.05 Base292 ms1 payers97% up
  21. 98agentforge-taupe.vercel.app/v1/wallet-safetyPre-transaction wallet safety check for agents about to execute a DeFi action: combines approval scanning, activity pattern detection, and target contract risk into one composite score. Category: data.$0.10 Base274 ms1 payers97% up
  22. 98agentforge-taupe.vercel.app/v1/approval-scanERC-20 approval risk scanner for wallets: flags unlimited allowances and unverified spender contracts before an agent authorizes a new one. Category: data.$0.015 Base265 ms1 payers97% up
  23. 98trading-perps.vercel.app/api/nofa/signalDaily NoFA signal from El Niño Market Watch: a deterministic, rules-based LONG/SHORT pick across 21 ENSO-sensitive assets — expected return to the strong-scenario peak, historical hit-rate with Wilson 95% CI, CFTC COT crowding penalty, full rationale, plus the live paper portfolio (NAV, positions, trades). Simulation, not investment advice.$0.25 Base243 ms1 payers97% up
  24. 98trading-perps.vercel.app/api/weather/anomaliesWeather and soil-moisture anomalies for 10 commodity-growing regions (precipitation, temperature, root-zone soil wetness; Open-Meteo ERA5 + NASA POWER, 1994→) from El Niño Market Watch.$0.10 Base271 ms1 payers97% up
  25. 98trading-perps.vercel.app/api/compositesEl Niño event composites from El Niño Market Watch: 14 historical events (1951–2026) across 21 commodities, indexed-to-100 price paths around event onset with median/p25/p75 envelopes — the computed asset behind the dashboard charts.$0.10 Base252 ms1 payers97% up
  26. 98api.agentstools.dev/tax/bracketsReference tables for a US tax year and filing status: income brackets, standard deduction, FICA constants, and capital-gains breakpoints. Pure lookup, not tax advice.$0.002 Base185 ms1 payers97% up
  27. 98market.datapackvibe.com/x402/level-layout-seedsLevel layout seed: Generate a small level-layout brief with landmarks, route choices, and pacing.$0.02 Base173 ms1 payers96% up
  28. 98market.datapackvibe.com/x402/shopkeeper-dialogueShopkeeper dialogue seed: Create transactional NPC lines for greeting, refusal, and rare stock.$0.02 Base168 ms1 payers96% up
  29. 98market.datapackvibe.com/x402/game-item-descriptionsGame item description writer: Create concise inventory copy with function, flavour, and clear constraints.$0.02 Base197 ms1 payers96% up
  30. 98market.datapackvibe.com/x402/companion-bantersCompanion banter generator: Create a short exchange with a relationship beat and scene trigger.$0.02 Base168 ms1 payers96% up
  31. 98market.datapackvibe.com/x402/battle-barksCombat bark generator: Create short contextual combat barks for a named role or faction.$0.02 Base194 ms1 payers96% up
  32. 98market.datapackvibe.com/x402/faction-reputation-eventsReputation event generator: Create a player action and faction reaction for a reputation system.$0.02 Base180 ms1 payers96% up
  33. 98market.datapackvibe.com/x402/dungeon-trapsDungeon trap planner: Create a trap with trigger, warning clue, effect, and disarm option.$0.02 Base184 ms1 payers96% up
  34. 98market.datapackvibe.com/x402/region-biomesRegion biome brief: Draft a biome with visual identity, resource, hazard, and traversal note.$0.02 Base169 ms1 payers96% up
  35. 98market.datapackvibe.com/x402/npc-voicesNPC voice direction: Create voice-performance notes and sample lines for an NPC role.$0.02 Base169 ms1 payers96% up
  36. 98market.datapackvibe.com/x402/quest-rewardsQuest reward planner: Create reward bundles that match a quest risk and player progression.$0.02 Base178 ms1 payers96% up
  37. 98market.datapackvibe.com/x402/arena-hazardsArena hazard generator: Create arena hazards with warning, active window, and counterplay.$0.02 Base184 ms1 payers96% up
  38. 98market.datapackvibe.com/x402/enemy-telegraphsEnemy attack telegraph planner: Generate readable enemy tells paired with a matching attack response.$0.02 Base170 ms1 payers96% up
  39. 98market.datapackvibe.com/x402/skill-tree-nodesSkill-tree node generator: Create a skill node with prerequisite, effect, and balance note.$0.02 Base172 ms1 payers96% up
  40. 98market.datapackvibe.com/x402/daily-challengesDaily challenge generator: Create repeatable daily objectives with a goal and optional modifier.$0.02 Base172 ms1 payers96% up
  41. 98market.datapackvibe.com/x402/weather-eventsWeather encounter table: Create weather events with a gameplay effect and a visible warning.$0.02 Base161 ms1 payers96% up
  42. 98market.datapackvibe.com/x402/environmental-storytellingEnvironmental story seed: Create a visual scene clue that communicates a short story without dialogue.$0.02 Base181 ms1 payers96% up
  43. 98market.datapackvibe.com/x402/puzzle-seedsPuzzle seed generator: Create a puzzle outline with clues, solution logic, and reset behavior.$0.02 Base173 ms1 payers96% up
  44. 98market.datapackvibe.com/x402/mission-briefsMission brief generator: Produce a concise mission brief with goal, constraint, and extraction condition.$0.02 Base199 ms1 payers96% up
  45. 98market.datapackvibe.com/x402/achievement-setsAchievement set generator: Create named achievements with clear unlock conditions.$0.02 Base162 ms1 payers96% up
  46. 98market.datapackvibe.com/x402/tutorial-objectivesTutorial objective generator: Turn a game mechanic into short onboarding objectives and feedback.$0.02 Base172 ms1 payers96% up
  47. 98market.datapackvibe.com/x402/dialogue-choice-treesDialogue choice seed: Draft branching dialogue choices with likely consequences.$0.02 Base176 ms1 payers96% up
  48. 98market.datapackvibe.com/x402/dialogue-openersDialogue opener generator: Create short first lines for NPC encounters in a given scene.$0.02 Base179 ms1 payers96% up
  49. 98market.datapackvibe.com/x402/shop-inventory-seedsShop inventory generator: Generate a small themed stock list with price bands and one oddity.$0.02 Base163 ms1 payers96% up
  50. 98market.datapackvibe.com/x402/crafting-recipesCrafting recipe generator: Create a recipe with ingredients, output, work step, and failure consequence.$0.02 Base160 ms1 payers96% up
  51. 98market.datapackvibe.com/x402/magic-item-loreMagic-item lore generator: Write a short item provenance, effect, limitation, and discovery clue.$0.02 Base195 ms1 payers96% up
  52. 98market.datapackvibe.com/x402/boss-phase-plansBoss phase planner: Create a multi-phase boss outline with readable telegraphs and transitions.$0.02 Base192 ms1 payers96% up
  53. 98market.datapackvibe.com/x402/monster-stat-conceptsMonster concept generator: Generate a compact enemy concept with role, tell, weakness, and reward.$0.02 Base166 ms1 payers96% up
  54. 98market.datapackvibe.com/x402/faction-briefsFaction brief generator: Create a playable faction with a public aim, hidden need, and rival.$0.02 Base163 ms1 payers96% up
  55. 98market.datapackvibe.com/x402/settlement-profilesSettlement profile generator: Draft a settlement brief with landmark, local pressure, and story hook.$0.02 Base173 ms1 payers96% up
  56. 98market.datapackvibe.com/x402/dungeon-room-seedsDungeon room generator: Create room concepts with a feature, hazard, and exploration reward.$0.02 Base156 ms1 payers96% up
  57. 98market.datapackvibe.com/x402/loot-tablesLoot table generator: Generate themed loot entries with rarity, utility, and a short provenance.$0.02 Base166 ms1 payers96% up
  58. 98market.datapackvibe.com/x402/encounter-tablesEncounter table generator: Create a compact encounter table for a named region or travel route.$0.02 Base156 ms1 payers96% up
  59. 98market.datapackvibe.com/x402/tavern-rumor-tablesTavern rumor table: Create rumor entries with a mix of useful leads and uncertain claims.$0.02 Base159 ms1 payers96% up
  60. 98market.datapackvibe.com/x402/companion-backstoriesCompanion backstory generator: Generate companion histories with a personal goal and story complication.$0.02 Base165 ms1 payers96% up
  61. 98market.datapackvibe.com/x402/villain-motivesVillain motive generator: Create antagonist motives that connect to a concrete game-world conflict.$0.02 Base153 ms1 payers96% up
  62. 98market.datapackvibe.com/x402/npc-profilesNPC profile generator: Generate compact NPC profiles with a role, motive, secret, and voice cue.$0.02 Base153 ms1 payers96% up
  63. 98market.datapackvibe.com/x402/side-quest-seedsSide-quest seed generator: Draft small optional quests sized for a single game session.$0.02 Base157 ms1 payers96% up
  64. 98market.datapackvibe.com/x402/quest-hooksQuest hook generator: Create playable quest hooks with an objective, complication, and payoff.$0.02 Base160 ms1 payers96% up
  65. 98market.datapackvibe.com/x402/mech-frame-namesMech frame names: Readable mech chassis names for game inventories and loadouts.$0.02 Base150 ms1 payers96% up
  66. 98market.datapackvibe.com/x402/kingdom-namesKingdom names: Names for kingdoms, duchies, and contested regions.$0.02 Base150 ms1 payers96% up
  67. 98market.datapackvibe.com/x402/pirate-ship-namesPirate ship names: Ship names for pirate crews and nautical adventures.$0.02 Base149 ms1 payers96% up
  68. 98market.datapackvibe.com/x402/dungeon-namesDungeon names: Dungeon and ruin names for maps, encounters, and adventure hooks.$0.02 Base154 ms1 payers96% up
  69. 98market.datapackvibe.com/x402/fantasy-quest-titlesFantasy quest titles: Short quest titles for journal entries and mission boards.$0.02 Base152 ms1 payers96% up
  70. 98market.datapackvibe.com/x402/enchanted-relic-namesEnchanted relic names: Names for magical heirlooms, artifacts, and quest rewards.$0.02 Base151 ms1 payers96% up
  71. 98market.datapackvibe.com/x402/wizard-spell-namesWizard spell names: Memorable spell names for fantasy ability lists and loot.$0.02 Base147 ms1 payers96% up
  72. 98market.datapackvibe.com/x402/monster-species-namesMonster species names: Original creature species names for bestiaries and encounter data.$0.02 Base152 ms1 payers96% up
  73. 98market.datapackvibe.com/x402/elf-city-namesElven city names: Lyrical city names for forest, coastal, and high-fantasy settings.$0.02 Base152 ms1 payers96% up
  74. 98market.datapackvibe.com/x402/dwarf-hold-namesDwarven hold names: Stronghold names for underground and mountain-fantasy settings.$0.02 Base152 ms1 payers96% up
  75. 98market.datapackvibe.com/x402/moon-namesMoon names: Names for natural satellites and inhabited moons.$0.02 Base154 ms1 payers96% up
  76. 98market.datapackvibe.com/x402/space-crew-nicknamesSpace-crew nicknames: Crew nicknames for sci-fi dialogue and roster screens.$0.02 Base153 ms1 payers96% up
  77. 98market.datapackvibe.com/x402/hacker-handlesHacker handles: Compact aliases for fictional hackers, pilots, and netrunners.$0.02 Base159 ms1 payers96% up
  78. 98market.datapackvibe.com/x402/cyberpunk-gang-namesCyberpunk gang names: Street-crew names with a compact, setting-ready sound.$0.02 Base157 ms1 payers96% up
  79. 98market.datapackvibe.com/x402/sci-fi-faction-namesSci-fi faction names: Names for science-fiction unions, fleets, and political blocs.$0.02 Base147 ms1 payers96% up
  80. 98market.datapackvibe.com/x402/space-station-namesSpace-station names: Names for orbital stations, ports, and remote outposts.$0.02 Base147 ms1 payers96% up
  81. 98market.datapackvibe.com/x402/droid-designationsDroid designations: Readable robot model names with serial-style suffixes.$0.02 Base149 ms1 payers96% up
  82. 98market.datapackvibe.com/x402/alien-species-namesAlien species names: Pronounceable species and civilization names for sci-fi settings.$0.02 Base150 ms1 payers96% up
  83. 98market.datapackvibe.com/x402/starship-callsignsStarship callsigns: Short ship names suitable for manifests, radios, and game UI.$0.02 Base153 ms1 payers96% up
  84. 98market.datapackvibe.com/x402/sci-fi-planet-namesSci-fi planet names: Distinctive planet and colony names for science-fiction games.$0.02 Base153 ms1 payers96% up
  85. 98market.datapackvibe.com/x402/pixel-spritePixel-art sprites: Original pixel-art sprites for games (creatures, items, ships, buildings) as transparent PNGs. Symmetric, outlined and royalty-free: you own what you buy. The same seed always gives the same sprites.$0.03 Base156 ms1 payers96% up
  86. 98intel.rallylive.ca/list/history-booksFree history books: public-domain histories, memoirs and primary sources (Gutenberg, Internet Archive Americana) with download links, most popular first. $0.01 per page of 20.$0.01 Base222 ms1 payers97% up
  87. 98intel.rallylive.ca/data/rate/gbp-eurGBP to EUR exchange rate and conversion: converts an amount of GBP into EUR at the latest European Central Bank reference rate (frankfurter.app, updated every business day), returning the rate, the converted value and the rate date. GBP/EUR pricing for invoices, checkout and reporting, no API key. $0.01 per call.$0.01 Base153 ms1 payers97% up
  88. 98intel.rallylive.ca/data/weather/weatherseoulCurrent weather in Seoul right now: temperature, feels-like, humidity, wind, precipitation, cloud cover and conditions from Open-Meteo, plus today's sunrise/sunset. No API key. $0.01 per call.$0.01 Base70 ms1 payers97% up
  89. 98intel.rallylive.ca/data/weather/weatherstockholmCurrent weather in Stockholm right now: temperature, feels-like, humidity, wind, precipitation, cloud cover and conditions from Open-Meteo, plus today's sunrise/sunset. No API key. $0.01 per call.$0.01 Base146 ms1 payers97% up
  90. 98intel.rallylive.ca/library/audiobooks/animals-natureFree Animals & Nature audiobooks: public-domain recordings in LibriVox's "Animals & Nature" genre (418 titles and growing) with runtime, language and direct mp3 zip / RSS / archive.org links, plus matching audio from Internet Archive. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.$0.01 Base68 ms1 payers97% up
  91. 98intel.rallylive.ca/list/documentariesFree documentaries and educational films: public-domain and free-licensed documentaries from Internet Archive (Prelinger, NASA, Smithsonian and open collections) ranked by downloads. $0.01 per page of 20.$0.01 Base46 ms1 payers97% up
  92. 98intel.rallylive.ca/list/animationFree animated films and classic cartoons in the public domain from Internet Archive, ranked by downloads, with year and download links. $0.01 per page of 20.$0.01 Base37 ms1 payers97% up
  93. 98intel.rallylive.ca/library/language/trFree books in Turkish: public-domain and free-licensed Turkish-language works from Project Gutenberg and Internet Archive with download links (epub, txt, html, scans), most popular first; add words to search within Turkish titles, authors and subjects. Re-verified daily. $0.01 per page of 20.$0.01 Base54 ms1 payers97% up
  94. 98intel.rallylive.ca/library/subject/marriageFree public-domain books on "Marriage": browse the catalogue's works tagged with that Library of Congress subject (284 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct epub/txt/html download links. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.$0.01 Base27 ms1 payers97% up
  95. 98intel.rallylive.ca/library/subject/slaveryFree public-domain books on "Slavery": browse the catalogue's works tagged with that Library of Congress subject (344 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct epub/txt/html download links. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.$0.01 Base25 ms1 payers97% up
  96. 98intel.rallylive.ca/library/subject/essaysFree public-domain books on "Essays": browse the catalogue's works tagged with that Library of Congress subject (243 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct epub/txt/html download links. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.$0.01 Base20 ms1 payers97% up
  97. 98intel.rallylive.ca/library/subject/americansFree public-domain books on "Americans": browse the catalogue's works tagged with that Library of Congress subject (267 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct epub/txt/html download links. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.$0.01 Base26 ms1 payers97% up
  98. 98api.aurenic.org/whois/:domainWHOIS/RDAP lookup: registrar, creation/expiry dates, nameservers$0.001 Base159 ms1 payers97% up
  99. 98horizonpulse.dev/api/yieldRanked DeFi yield pools from DefiLlama (TVL >= $10M, prefer stablecoin/single-asset)$0.02 Base277 ms1 payers97% up
  100. 98api.craigmbrown.com/v1/services/data.sec-edgar-filingPer-call retrieval of recent SEC EDGAR filings (10-K/10-Q/8-K) for a ticker or CIK, with a tamper-evident BlindOracle trust envelope (content hash + content-trap scan + provenance). Public-domain source.$0.05 Base63 ms1 payers97% up