x402watch

53,495 paid endpoints are listed. 29,803 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 2026-10-06 00:30 UTC · 53,495 probed

29,803 answering 40217,751 down5,099 rejecting842 no paywall1,877 price drift
  1. 93agentbit.app/v1/web/feedFetch any RSS or Atom feed and get normalized JSON items — title, link, ISO-8601 date, plain-text summary, author, categories. Point it at a regular HTML page and it auto-discovers the feed. RSS 2.0, RSS 1.0/RDF and Atom, messy real-world feeds included. The monitoring primitive for agents that watch sources.$0.005 Base830 ms4 payers97% up
  2. 93agentbit.app/v1/security/url-threatScreen a URL before your agent follows it: phishing-pattern heuristics (IP-literal hosts, punycode, credentials in the URL, shorteners, deep subdomain nesting), a safe server-side redirect trace with cross-host detection, and an optional URLhaus malware-database lookup. Returns a 0-100 risk score with named flags. Honest scope: heuristics + public threat data, not a sandbox.$0.01 Base755 ms4 payers97% up
  3. 93agentbit.app/v1/dns/inspectComplete DNS inspection in one call over DNS-over-HTTPS: A, AAAA, MX, TXT, NS, CNAME, SOA and CAA records with TTLs — plus a derived email posture analysis (SPF present and policy, DMARC present and policy, MX count, overall assessment) that raw lookup tools don't do.$0.01 Base860 ms4 payers97% up
  4. 93lionx402.com/api/x402/entity-sanctions-screen-jsonScreen a company or entity name against multi-list sanctions (OFAC/EU/UN public designations index). PASS/BLOCK. Fail-safe if lists unavailable. $0.01 Base USDC, keyless, Ed25519-attested.$0.01 Base345 ms3 payers97% up
  5. 93url-uptime-checker.underscoredone.com/checkChecks whether a website or web address is currently reachable and reports how fast it responded.$0.01 Base930 ms3 payers97% up
  6. 93x402.aispace.bot/api/v1/embeddingsText embeddings on Venice models for retrieval, RAG, and semantic search, paid per request in USDC on Base via x402, no API key. Resolve a model id from GET /api/v1/models?type=embedding.$0.01 Base996 ms3 payers97% up
  7. 93vaaya.ai/api/run/crw/searchCRW — Search the web and optionally scrape the hits in one call. Pass `query`; optional `limit` (1-20, default 5), `tbs` (freshness: qdr:h|d|w|m|y), `sources` (web|news|images), `lang`, and `scrapeOptions` ({ formats, onlyMainContent }) to return full page content per hit instead of snippets.$0.01 Base610 ms3 payers97% up
  8. 93tollbooth-fdic-verify.sjwilliams8.workers.dev/verifyBefore your agent trusts, cites, or transacts with a U.S. bank: verify it is actually FDIC-insured, for $0.01, against the FDIC's own BankFind Suite records, synced daily. Look up by institution name (fuzzy, word-order-tolerant, confidence-scored), FDIC certificate number, or website domain. Returns insurance status, charter class, HQ city/state, and the FDIC cert; renamed and failed/inactive institutions stay findable. Assistive screening signal, not a certified compliance determination.$0.01 Base617 ms3 payers97% up
  9. 93api.nansen.ai/api/v1/nansen-score/top-tokensGet Nansen Score Top Tokens$0.01 Base502 ms3 payers97% up
  10. 93netintel.dev/gas/priceLive gas prices across Base, Ethereum, Arbitrum, Optimism, and Polygon with USD cost estimates for a transfer, an ERC-20 send, and a swap — keyless, one call, all chains. Per chain: gas price + EIP-1559 base/priority fee in gwei, native-token USD price, 15s cache. L2 figures are execution-gas only (L1 data fee excluded, flagged in findings).$0.002 Base376 ms3 payers97% up
  11. 93sports-predictor-api.fly.dev/api/v1/probabilitiesCalibrated 1X2 probabilities plus derived markets (totals, BTTS, correct score) for every upcoming fixture across the big-five European leagues. Backed by a public, Brier-scored track record.$0.02 Base962 ms3 payers97% up
  12. 93app.tenna.ai/api/x402/verifier/acp_offering_contract_lintCheck an ACP offering's published contract before you buy. Detects listings that declare no JSON deliverable schema, name required fields they never declare, or specify no input schema at all — the defects that make a purchase unverifiable after the fact. Reads the public listing only; nothing is purchased or executed. Deterministic, no model judgment. A PASS means the listing is machine-checkable — it is not a correctness guarantee and says nothing about output quality.$0.01 Base633 ms3 payers97% up
  13. 93convrgent.ai/api/vault/createCreate a new persistent human profile in the vault. Agent-namespaced by wallet address. Accepts initial identity, text samples, observations, and birth data.$0.01 Base371 ms3 payers97% up
  14. 93api.seerium.xyz/v1/pulse/macro-clockMacro market signals API for agents. Tracks inflation, rates, liquidity, economic releases, crypto, and prediction markets.$0.10 Base423 ms3 payers97% up
  15. 93tensorfeed.ai/api/premium/research/citation-velocityTop 100 recent AI papers ranked by the share of their total citations earned in the most recent calendar year. Papers published in the last 2 years with 3+ citations. Surfaces papers that are still gaining traction now. OpenAlex CC0.$0.02 Base959 ms3 payers97% up
  16. 93api.delx.ai/api/v1/x402/random-intGenerate a secure random integer in a caller-supplied range for $0.001 USDC. Call when you need a CSPRNG draw for ids, jitter, or sampling without installing a crypto library. First-party local only—not a lottery, custody, or production RNG SLA. No API key, no subscription.$0.001 Base980 ms3 payers97% up
  17. 93scan.openverbs.com/v1/secretsScan source code or configuration text for hardcoded secrets: AWS access keys, GitHub/Slack/Google tokens, Stripe and OpenAI keys, PEM private-key blocks, JWTs and high-entropy secret assignments. Placeholder values are filtered out. Each finding gives the rule, a severity (critical/high/medium/low), line and column, entropy and a masked excerpt. Offline and deterministic.$0.004 Base45 ms3 payers93% up
  18. 93iso.openverbs.com/v1/searchFuzzy-search countries, currencies and languages by name or code. Scope with `registry` (defaults to all). Matches are ranked exact-code/name → prefix → substring.$0.002 Base45 ms3 payers93% up
  19. 93agentbit.app/v1/hash/sha256Compute the SHA-256 hash (hex digest) of an input string. Deterministic cryptographic hashing for checksums, fingerprints and content addressing.$0.0015 Base678 ms3 payers97% up
  20. 93agentbit.app/v1/monitor/endpointOne-shot health probe for any endpoint: HTTP status and latency, TLS certificate issuer and days-to-expiry, response size, security-header audit (HSTS, CSP, X-Content-Type-Options, X-Frame-Options) and named issues (SLOW_RESPONSE, CERTIFICATE_EXPIRING, SERVER_ERROR_STATUS). Call it on a schedule and you have uptime monitoring for a fraction of a cent.$0.005 Base935 ms3 payers97% up
  21. 93agentbit.app/v1/defi/stablecoinsStablecoin market data with the number agents paying in USDC actually need: current price and PEG DEVIATION per coin, circulating supply, peg mechanism and chains, ranked by market cap. Filter by symbol or screen for depegs (absolute deviation above a threshold). Open DefiLlama data, refreshed every 10 minutes.$0.002 Base889 ms3 payers97% up
  22. 93agentbit.app/v1/x402/inspectLint any x402 endpoint or payment header against the v2 spec and real CDP facilitator behavior: CAIP-2 network ids, atomic amounts, the EIP-712 domain-name trap ('USD Coin' on Base mainnet vs 'USDC' on Sepolia — wrong name = every settlement fails), the extensions echo Coinbase Bazaar requires for indexing, expired authorizations. Findings as error/warning/info with what will actually break. Built by a seller that debugged all of these in production.$0.001 Base747 ms3 payers97% up
  23. 93agentbit.app/v1/ai/summarizeLLM-quality summary of long text as a paragraph, bullets or a one-liner. Reads for meaning (nuance, tone) — unlike the free extractive summarizer.$0.008 Base900 ms3 payers97% up
  24. 93agentbit.app/v1/ai/translateHigh-quality LLM translation with control: target language, optional formality and tone, auto source detection. Preserves nuance and idiom.$0.006 Base967 ms3 payers97% up
  25. 93agentbit.app/v1/business/identityLegal entity identity via GLEIF: look up a company by LEI, search legal entities by name across jurisdictions, or validate an LEI checksum. Returns legal name, status, jurisdiction, registered address and registration details — authoritative data for KYB and compliance agents.$0.003 Base959 ms3 payers97% up
  26. 93agentbit.app/v1/ip/intelIP address intelligence from official internet-registry data (RIPEstat, the RIPE NCC public API): ASN and network holder, announced prefix, RIR-registered country, abuse contact — plus reverse DNS and private/reserved-range detection. Registry truth, not commercial geolocation guesses.$0.01 Base981 ms3 payers97% up
  27. 93agentbit.app/v1/domain/intelFull domain intelligence via RDAP (the registries' official WHOIS successor): registration and expiry dates with computed age, registrar, EPP status codes, nameservers, DNSSEC — plus derived risk flags (newly registered, hold status, expiring) and a clean availability answer for unregistered domains. Registry data, structured JSON, no scraping.$0.02 Base628 ms3 payers97% up
  28. 93twin.unykorn.org/web/dnsDNS lookup: A, AAAA, MX, TXT, NS, CNAME, CAA, SOA, SRV via public resolvers — Genesis402 / UnyKorn Operator Network$0.001 Base304 ms3 payers97% up
  29. 93api.govparse.io/v1/stats/opportunitiesHow much open federal money is in the dataset right now? Headline aggregates: active SAM.gov contract opportunities (and how many still have an open deadline), Grants.gov opportunities by status (posted vs forecasted), and USAspending award records on file with their total dollar amount.$0.001 Base310 ms3 payers97% up
  30. 93api.kadec0.xyz/v1/stablecoinsStablecoin supply data. Returns circulating supply for stablecoins broken down across chains via DefiLlama, filterable by peg type and by collateral mechanism, so you can compare fiat-backed against crypto-backed and algorithmic stablecoins. For stablecoin market share, depeg watch, and chain-level supply tracking. Keyless.$0.02 Base629 ms2 payers97% up
  31. 93x402.freeq.one/tools/whale_alertsWhale Alerts Scanner: Scan recent blocks for large ETH transfers involving an address. Filter by direction (in/out/both) and threshold. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/whale_alerts.$0.002 Base907 ms2 payers97% up
  32. 93x402.freeq.one/tools/wallet_portfolioWallet Portfolio: Get a complete wallet portfolio for an Ethereum address: native ETH balance, ERC-20 balances, NFT holdings, recent transfers. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/wallet_portfolio.$0.002 Base889 ms2 payers97% up
  33. 93x402.freeq.one/tools/markdownMarkdown Extractor: Fetch a URL and convert its main content to clean, LLM-ready Markdown (strips nav/ads/sidebars). Options: output_format (markdown|text|json), css_selector, max_length, include_links, include_images. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/markdown.$0.002 Base930 ms2 payers97% up
  34. 93x402.freeq.one/tools/verify_batchBatch Semaphore Proof Verifier: Batch verify up to 10 Semaphore proofs in a single request. Returns per-proof results with total count and average duration. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/verify_batch.$0.005 Base839 ms2 payers97% up
  35. 93x402.freeq.one/tools/verify_worldidWorld ID Proof Verifier: Verify a World ID 4.0 proof via the Worldcoin Developer Portal API. Generates an RP signature server-side, then proxies the full IDKit proof to developer.world.org. Returns { valid, nullifier, worldcoin_response }. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/verify_worldid.$0.005 Base849 ms2 payers97% up
  36. 93x402.freeq.one/tools/verify_semaphoreSemaphore ZK Proof Verifier: Verify a Semaphore ZK proof locally using Groth16 (embedded official vkey). No external dependency. Send the proof object from @semaphore-protocol/proof generateProof(). Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/verify_semaphore.$0.002 Base876 ms2 payers97% up
  37. 93x402.freeq.one/tools/og_image_generatorOG Image Generator: Generate an Open Graph social-card image (1200x630 PNG) from a title and description. Returns a base64-encoded image (MCP content type image). Optional image URL embeds a header graphic. Title truncated to 60 chars, description to 120. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/og_image_generator.$0.002 Base908 ms2 payers97% up
  38. 93x402.freeq.one/tools/html_to_markdownHTML to Markdown Converter: Convert an HTML string to clean, LLM-ready Markdown. Handles headings, links, images, tables, lists and code blocks. Options: heading style (atx|setext), bullet list marker, code block style, emphasis delimiters. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/html_to_markdown.$0.002 Base903 ms2 payers97% up
  39. 93x402.freeq.one/tools/cross_chain_balanceCross-Chain Balance Checker: Aggregate native balance and token/NFT counts for an address across eth, arb, base, polygon, opt. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/cross_chain_balance.$0.002 Base936 ms2 payers97% up
  40. 93x402.freeq.one/tools/changelog_openapiOpenAPI Changelog Generator: Diff two OpenAPI specs and generate a structured breaking-change changelog (no LLM — deterministic diff). Provide base_spec_url and new_spec. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/changelog_openapi.$0.005 Base902 ms2 payers97% up
  41. 93squeezeos-api.onrender.com/api/truth/verify/AAPLFact verification API for market data — cross-check a ticker against live provider evidence and return an evidence-backed result instead of guessing.$0.005 Base683 ms2 payers97% up
  42. 93api.anchor-x402.com/v1/parse/datetimeParse any freeform datetime string into a structured normalized form — $0.001 USDC$0.001 Base712 ms2 payers97% up
  43. 93defillama.use.x402atlas.com/protocolDeFi protocol detail by DefiLlama — full historical TVL plus per-chain and per-token breakdowns for one protocol by slug.$0.005 Base627 ms2 payers97% up
  44. 93defillama.use.x402atlas.com/optionsOptions volumes by DefiLlama — all options protocols with premium/notional volume summaries.$0.005 Base590 ms2 payers97% up
  45. 93defillama.use.x402atlas.com/feesFees & revenue by DefiLlama — all protocols with daily fees and revenue summaries.$0.005 Base974 ms2 payers97% up
  46. 93squeezeos-api.onrender.com/api/web/read-markdownURL to Markdown API and converter for AI agents — convert any public HTTPS URL to clean Markdown, HTML-to-text, and LLM-ready web content with no separate scraper account or API key.$0.001 Base383 ms2 payers97% up
  47. 93squeezeos-api.onrender.com/api/quick/quote/AAPLStock quote API for AI agents — get a live/latest US equity price and volume reading for one ticker from the first available real provider.$0.001 Base742 ms2 payers97% up
  48. 93squeezeos-api.onrender.com/api/quick/searchStock ticker and company search API. Find US equity symbols by company name or ticker for trading, research, and autonomous-agent workflows.$0.001 Base707 ms2 payers97% up
  49. 93squeezeos-api.onrender.com/api/market/snapshotStock market snapshot API. Get a live/latest US equity quote plus recent daily OHLCV price bars for a ticker symbol.$0.003 Base801 ms2 payers97% up
  50. 93squeezeos-api.onrender.com/api/fx/creditsFX conversion credit pack: 100 low-cost currency conversions using official ECB reference-rate data for autonomous agents.$0.005 Base781 ms2 payers97% up
  51. 93squeezeos-api.onrender.com/api/web/extract-onceWeb scraping API for AI agents — extract clean text and metadata from one safe public HTTPS URL in a single x402 call.$0.005 Base655 ms2 payers97% up
  52. 93twitter.use.x402atlas.com/user-aboutGet the extended About information for a public X user.$0.006 Base832 ms2 payers97% up
  53. 93twitter.use.x402atlas.com/trendsGet ranked Twitter/X trends for a geographic WOEID with normalized search queries, context, post counts and related trends.$0.006 Base566 ms2 payers97% up
  54. 93hyperliquid-predict.use.x402atlas.com/settledThe settled result for one Hyperliquid prediction-market outcome by id.$0.01 Base929 ms2 payers97% up
  55. 93token-risk.com/v1/walletDeterministic on-chain structural-safety report for a Base address: contract detection, verification status, proxy/owner/privileged-function analysis. Behavioral signals (age, activity, funding) not yet included. Keyless x402-native payment — no signup, no API key. Score 0-100, higher = structurally safer. See free real samples before paying: GET /samples/index.json$0.01 Base702 ms2 payers97% up
  56. 93cyre.dev/api/addressCyre address profile — explainable on-chain risk signals. Patterns, not verdicts. Agent guide: https://cyre.dev/SKILL.md$0.005 Solana931 ms2 payers97% up
  57. 93buildscottsbluff.com/v1/parcel/010070362Complete parcel intelligence: owner, situs, assessed value, classification, property tax and tax-sale (delinquency) status, full sale history and deeds, census tract, CDBG low/mod status, and every qualifying funding program with its cited rule.$0.01 Base913 ms2 payers97% up
  58. 93api.qist.info/api/prayer-timesHigh-precision Islamic prayer times (fajr, sunrise, dhuhr, asr, maghrib, isha) plus qibla direction for any coordinates and date. Pure astronomical computation (adhan library), 11 calculation methods including Umm al-Qura, Dubai, Egyptian, MWL. Ideal for agents building Muslim-facing schedules, reminders, or travel plans.$0.01 Base744 ms2 payers97% up
  59. 93x402-echo-service.onrender.com/hashCompute cryptographic digests of a string. POST {"input":"...","algorithms":["sha256"]} and receive one hex digest per requested algorithm. Supports sha256, sha512 and keccak256. Deterministic, no storage, no upstream calls.$0.001 Base308 ms2 payers97% up
  60. 93lionx402.com/api/x402/domain-intel-jsonLive domain trust signals: DNS (MX/SPF/DMARC/A) + HTTPS probe via Cloudflare DoH. Keyless $0.005.$0.005 Base390 ms2 payers97% up
  61. 93cryptyx.ai/api/asset/asymmetryCross-class positioning panels per asset — futures funding stress, options 1M risk-reversal skew, order-book imbalance, and 7-day taker buy/sell ratio. Each panel: current z, percentile, 30-day sparkline, one-line narrative. Response carries a _next block with active-signals / thesis / regime-context / top-setups / peer-cluster so an agent can go from positioning read to per-asset conviction, historical edge, or basket construction without leaving the flow. Coverage: pass any asset in the CRYPTYX 200+ tracked universe (BTC, ETH, SOL, top-cap + long-tail).$0.05 Base399 ms2 payers97% up
  62. 93lionx402.com/api/x402/tx-receipt-decoded-jsonBase tx receipt + decoded calldata (?tx=0x...)$0.01 Base978 ms2 payers97% up
  63. 93x402.ottoai.services/yield-recommendationsBest-available stablecoin yield deposit options: the highest-APY lending venue per stablecoin (USDC / USDT / DAI …), read directly on-chain from Aave / Morpho / Compound across supported chains, with APY basis, liquidity profile, reward-completeness and TVL. Returns the best available options (not yet personalized to a specific wallet's holdings).$0.001 Base413 ms2 payers97% up
  64. 93402.com.tr/api/x402/near-transfer-preflightBefore sending a NEP-141 token on NEAR: is the token real and not paused, does the receiver exist, and is it registered on the token — the storage_deposit step whose absence fails a transfer. If not, says the exact fix and its NEAR cost. With from and amount, also checks the sender holds enough. Catches sending to the token contract itself. Live from the NEAR RPC.$0.01 Base781 ms2 payers97% up
  65. 93seo.openverbs.com/v1/on-pageOn-page SEO audit API - crawl a single URL and return its on-page SEO health: overall score, title & meta description, H1, word count, internal/external link and image counts, load timing (LCP, TTI) and a list of detected issues (missing meta, broken status, not-https, images missing alt, slow load, …).$0.006 Base522 ms2 payers97% up
  66. 93vaaya.ai/api/run/akta/website-trafficWebsite traffic estimates for a company by domain or Akta uuid — visit trends as a demand/momentum signal.$0.11 Base364 ms2 payers97% up
  67. 93x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-pay-per-callHighest-demand x402 services tagged 'pay-per-call': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 138 providers and 243 paying wallets measured in this tag.$0.008 Base470 ms2 payers97% up
  68. 93aayatai.com/uk/house-pricesSold house prices for any England or Wales postcode from HM Land Registry Price Paid data (1995 to date): each sale's price, date, street and town (never the house number or name), property type (detached, semi, terraced, flat), new build and tenure, plus median/average/min/max and yearly medians. Pass ?postcode=PL6 8RU. Official data, updated monthly.$0.01 Base26 ms2 payers88% up
  69. 93aayatai.com/uk/areaUK area profile for a postcode or postcode district (e.g. SW1A): local authorities, wards and constituencies, plus street-level crime in the latest published month within about a mile, counted by category and outcome. Official ONS and police data (OGL).$0.01 Base706 ms2 payers96% up
  70. 93aayatai.com/token/newNew token launches with real liquidity: tokens whose first DEX pool opened in the last hour (up to 24h) with at least $10k liquidity (adjustable), newest first, each with a safety pre-screen (honeypot, taxes, mint/freeze, owner powers, locks), price, volume, buys/sells and links. Solana, Base, Ethereum, BNB and more. Filter by chain, maximum age in minutes and minimum liquidity.$0.01 Base38 ms2 payers88% up
  71. 93ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/isURLURL validation API. Checks whether a string is a syntactically valid URL, catching malformed schemes, hosts, and encoding edge cases a naive check misses. Returns true or false.$0.01 Base304 ms2 payers97% up
  72. 93aayatai.com/product/aiProduct and price from any public product page, even without structured data: uses the page's schema.org/OpenGraph data when present, otherwise AI reads the page text for name, brand, price, currency, availability and SKU. Says which method was used. Respects robots.txt; not charged if it isn't a product page. ?url=...$0.01 Base580 ms2 payers96% up
  73. 93aayatai.com/company/techstackWhat technology a company uses, from its website and DNS: CMS/website builder, frameworks, analytics and ad pixels, marketing and support tools, payments, hosting/CDN, email provider and senders, DNS host and SaaS verification records (Slack, Atlassian, Stripe...), plus its official social profiles. Pass ?domain=stripe.com. Cached daily.$0.01 Base334 ms2 payers96% up
  74. 93clinkagent.com/translate/textTranslate text into any language ($0.01)$0.01 Base513 ms2 payers97% up
  75. 93clinkagent.com/pm/ticker-eventsOpen prediction markets mentioning a US stock ticker or company, Polymarket + Kalshi in one call, for trading agents (Coinbase for Agents / x402 market data). $CASHTAG or company name in, implied probability, 24h change, volume, close date and url out. Facts only - not a buy/sell/hold signal. ?q=TSLA or ?q=Tesla&limit=1-50.$0.01 Base426 ms2 payers97% up
  76. 93clinkagent.com/pm/searchPrediction market search for AI agents ($0.01)$0.01 Base420 ms2 payers97% up
  77. 93clinkagent.com/pm/closingPrediction markets closing soon - every market on Polymarket AND Kalshi settling within the next 24 hours or 7 days, sorted by volume, with hours-to-close. Event-risk calendars, deadline tracking, what resolves today. ?window=24h|7d&limit=1-50&q=<optional topic filter>.$0.01 Base433 ms2 payers96% up
  78. 93clinkagent.com/pdf/textConvert PDF to text for AI agents - pass any public PDF URL, get the full extracted plain text in one call. pdftotext / convertpdftotext / pdf to text converter / extract text from PDF / read a PDF / parse PDF documents, papers, SEC filings, reports, invoices, manuals. Up to 25MB and 500k chars, with page count and a likely_scanned flag (text-based PDFs only, no OCR). No API key, no account. ?url=<public PDF url>. Free live sample: /pdf/example.$0.01 Base416 ms2 payers97% up
  79. 93oraclepost.higgsfield.app/api/priceLive Chainlink price feed on Base, read from the oracle contract at request time: price, round id, last update and feed address. Pairs: ETH-USD, BTC-USD, SOL-USD, LINK-USD, CBETH-USD, AERO-USD, USDC-USD, EUR-USD. Pass ?pair=ETH-USD (default ETH-USD). No third-party API, no cache.$0.001 Base831 ms2 payers97% up
  80. 93api.agentstools.dev/etf/briefFusion flow brief for spot Bitcoin or Ethereum ETFs in ONE call: latest total net flow, the inflow/outflow streak, the window cumulative, flow momentum, issuer concentration, total AUM and a deterministic accumulation, distribution or neutral verdict. Saves several issuer queries plus the differencing.$0.02 Base737 ms2 payers97% up
  81. 93api.agentstools.dev/priceOn-chain USD spot price for 50+ assets from Chainlink feeds or the most-liquid Base DEX pool (computed from public chain state): crypto majors, stablecoins, Base-native tokens, forex currencies and precious metals.$0.01 Base695 ms2 payers97% up
  82. 93api.agentstools.dev/prediction/searchCross-venue prediction-market search: one query returns a ranked list of NORMALIZED markets from Polymarket (real-money) and Manifold (play-money) under one schema — implied probability, outcomes, volume, liquidity, close date, status, money_type and a link-back. One call instead of hitting each venue's API and reconciling their shapes.$0.01 Base712 ms2 payers97% up
  83. 93api.agentstools.dev/etf/flowsDaily net creation/redemption flow for spot Bitcoin or Ethereum ETFs, computed from each issuer's own holdings disclosure: per-fund and total net flow in USD and coin for the latest day, a recent series and the window cumulative. One normalized call instead of polling each issuer site and differencing units.$0.01 Base795 ms2 payers97% up
  84. 93api.agentstools.dev/crypto/sentiment-tagComposite crypto market sentiment: the Fear & Greed index (value, classification, trend) blended with aggregated news-headline sentiment into one bullish/bearish/neutral score, optionally focused on a coin or query. Data by alternative.me (attributed) + curated RSS headlines.$0.003 Base616 ms2 payers97% up
  85. 93api.agentstools.dev/edgar/financialsNormalized company financials from SEC EDGAR XBRL filings. Give a ticker or CIK and get income statement, balance sheet and cash flow lines mapped to one clean schema, each value cited to its real XBRL tag and filing. Compact cited JSON instead of megabytes of raw XBRL.$0.03 Base542 ms2 payers97% up
  86. 93intel.rallylive.ca/dev/docker-tagsRecent tags of a Docker Hub image: up to 50 newest tags with last-updated date, compressed size and architectures, optional substring filter after a pipe (e.g. 'library/node | alpine'), plus counts. Pick base images and track updates. $0.01 per image.$0.01 Base545 ms2 payers97% up
  87. 93api.craigmbrown.com/v1/services/trust.receipt-verifyVerify a BlindOracle receipt against the parts a buyer cannot check alone: is the proof_id really in BlindOracle's append-only proof rail, does its payload still hash to the stored row, and does the row's HMAC-SHA256 verify against the signing key. Also recomputes content_... | 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 Base311 ms2 payers97% up
  88. 93intel.rallylive.ca/ip/bulkBulk IP enrichment: up to 20 IPv4 addresses in one $0.01 call, each with public/private classification, ASN and owner, country, reverse DNS and cloud provider. Enrich a log or firewall export at a twentieth of the per-IP price.$0.01 Base336 ms2 payers97% up
  89. 93api.delx.ai/api/v1/x402/mcp-server-readinessMCP server readiness API for agents: audit tools/list, schemas, manifests, discovery, and integration readiness for $0.01 USDC before publishing or connecting a client. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the supplied input or one bounded public endpoint at request time; callers must verify before acting.$0.01 Base625 ms2 payers97% up
  90. 93x402.hydratrader.ai/v1/summarizeSummarize text: Verb-path alias of POST /v1/cheap-errand ($0.01 USDC). Same handler + payment terms; path defaults task=summarize when body.task omitted. Cheap agent glue for buyer-supplied text. Base via x402. No API key.$0.01 Base716 ms2 payers97% up
  91. 93api.delx.ai/api/v1/x402/login-surface-reportInspect login and auth surface signals such as forms, reset flows, signup links, and headers for $0.01 USDC. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the supplied input or one bounded public endpoint at request time; callers must verify before acting.$0.01 Base518 ms2 payers97% up
  92. 93api.delx.ai/api/v1/x402/weather-forecastUS weather forecast API for agents: return a normalized National Weather Service (NOAA/NWS) multi-period forecast for $0.001 USDC from latitude/longitude only—US coverage, attributed periods, no arbitrary URL proxy and no global weather claim.$0.001 Base531 ms2 payers97% up
  93. 93api.delx.ai/api/v1/x402/token-echo-1Echo text with length (probe channel 1). Call when you verify x402 pay→deliver wiring with a trivial payload. Returns echo text, length, echo=1 for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.$0.001 Base578 ms2 payers97% up
  94. 93api.vextorium.com/aave-comparar-pagoCompare Aave v3 across all supported chains (Base, Ethereum, Arbitrum, Optimism, Polygon) for one token: where you earn the most supplying it, or pay the least borrowing it. Returns the best chain and the deposit/borrow APY on every chain. Live on-chain data.$0.006 Base196 ms2 payers89% up
  95. 93api.vextorium.com/swap-solana-pagoBest route and price to swap one Solana token for another: how much you receive, the price impact and which DEXs the route goes through. Accepts symbols (SOL, USDC...) or mint addresses. Live from Jupiter, Solana's leading aggregator.$0.007 Base174 ms2 payers88% up
  96. 93api.vextorium.com/hyperliquid-mercados-pagoPerpetual futures markets on Hyperliquid: mark price, annualized funding rate, open interest and 24h volume for each asset. Search by asset or rank by volume, open interest, funding or 24h move. Live open on-chain data.$0.008 Base194 ms2 payers88% up
  97. 93convrgent.ai/api/vault/deleteDelete a human profile from the vault. Near-free pricing maintains consistent x402 payment flow for wallet identification.$0.01 Base485 ms2 payers97% up
  98. 93web-access-gateway.mattskowronis.workers.dev/v1/newsSearch recent public web coverage from the last seven days and return 5 ranked results. Not comprehensive newswire coverage.$0.01 Base821 ms2 payers97% up
  99. 93geospatial.openverbs.com/v1/resolutionReport the ground resolution (metres per pixel, for 256-px tiles) and the OGC map scale denominator at a zoom level, optionally adjusted for latitude (default equator).$0.002 Base264 ms2 payers93% up
  100. 93datetime.openverbs.com/v1/weekdayReturn the ISO weekday (1=Monday..7=Sunday) and its name for a Gregorian date.$0.004 Base203 ms2 payers93% up