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. 1001gateway.dev/v1/crypto/pulseUse when an agent needs a one-call crypto market snapshot before acting. Input: none. Output: JSON one-line summary; BTC, ETH, SOL price, 24 h change, funding APR, OI, volume; Crypto Fear & Greed value, label, 1 d/7 d change with attribution; OI-weighted perp funding with highest/lowest markets; onchain stablecoin supply and 24 h/7 d net mint or burn. Example: /v1/crypto/pulse$0.002 Base49 ms2 payers100% up
  2. 1001gateway.dev/v1/kr/filingsUse when an agent needs recent material disclosures of a South Korean listed company (rights offerings, CBs, buybacks, M&A, litigation, earnings, periodic reports). Input: corp (DART corp_code, KRX stock code or kr-dart- id) or q (exact name), optional days (1-365, default 30); or date (YYYY-MM-DD, KST). Output: JSON list with rceptNo, date, Korean title, English type label, DART link. Summaries: /v1/kr/filings/summary. Example: ?corp=005930&days=90$0.0045 Base46 ms2 payers100% up
  3. 1001gateway.dev/v1/crypto/hyperliquid/perpHyperliquid vs Binance vs Bybit predicted funding comparison for one perpetual futures market, plus current funding rate, open interest and basis. Use when an agent monitors a perp position or funding carry. Input: coin (e.g. BTC, ETH, kPEPE). Output: JSON as_of, cache_age_s, 1h + annualized funding, OI coin/USD, mark/oracle/mid, basis %, premium, 24h volume and change, per-venue predicted funding, annualized spread. Unknown coin: 400, not charged. Example: ?coin=BTC$0.002 Base59 ms2 payers100% up
  4. 1001gateway.dev/v1/x402/recommendUse when an agent must pick a paid x402 API for a task. Input: q (task in plain words or keywords), optional max_price (USD), network (base, solana or CAIP-2), limit (1-20). Output: JSON ranked endpoints: resource URL, method, description, price, networks, seller, 30-day payers and calls (Bazaar), seller buyers (x402scan), wash/quality flags, score, index as_of. Same rules for every seller. Example: ?q=base+token+honeypot+check&max_price=0.02$0.009 Base161 ms2 payers100% up
  5. 1001gateway.dev/v1/onchain/solana/txUse when an agent must confirm a Solana payment or transaction landed: did it succeed, who paid whom, how much of which token. Input: signature. Output: JSON status (success/failed), slot, block time, confirmation status, fee payer, signers, fee, programs, SOL and token balance changes per account (first 25). Unknown signature: 404, not charged. Example: ?signature=5Xg1wCobkM4jAJNHE6t7B1amt4ch5wq5GrxuhQXXgoAkUPUAjVMC9tQFCvp1awUGfrqZY9L9sLdPieJ97DcDjXtC$0.0045 Base101 ms2 payers100% up
  6. 1001gateway.dev/v1/onchain/solana/balancesUse when an agent needs what a Solana address holds in one call. Input: address. Output: JSON slot, SOL balance, every non-zero token (mint, token account, program, decimals, raw and decimal balance, frozen flag; first 50), counts of token and empty accounts. Chain state only, no prices. Bad input: 400, not charged. Example: ?address=CV8t6fnSsckB3bzJSVRxQjVvTgdB35q11Fu3eaF1nz8u$0.002 Base105 ms2 payers100% up
  7. 1001gateway.dev/v1/onchain/solana/token-riskSolana token risk scan: rug pull, scam token and token safety check. Use when buying, accepting or listing a token. Input: mint. Output: JSON riskLevel + signals w/ evidence: mint authority, freeze authority (can freeze/blacklist holders), permanent delegate, transfer hook/fee, default-frozen, mutable metadata, top-10 share; pump.fun curve %/PumpSwap LP burn, dev %. No sell simulation; not an audit. Example: ?mint=EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v$0.009 Base64 ms2 payers100% up
  8. 1001gateway.dev/v1/onchain/solana/token-infoUse when an agent needs a Solana token's basics before quoting, transferring or accepting it. Input: mint. Output: JSON slot, program (spl-token or token-2022), decimals, supply raw and decimal, mint and freeze authority, Token-2022 extensions (transfer fee, permanent delegate, transfer hook, default frozen, metadata), known issuer if curated. Not a mint: 422, unknown: 404, not charged. Example: ?mint=EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v$0.002 Base66 ms2 payers100% up
  9. 1001gateway.dev/v1/onchain/base/token-flowsUse when an agent must see who is buying or dumping a Base ERC-20 now (smart money, whales, who bought/sold). Input: token address, optional wallet, minutes (1-240), limit. Output: JSON signal (smart money accumulating vs retail), whale/shark/dolphin/fish flow buckets, who bought/sold with own labels, notable wallets, repeat traders, recent/largest swaps, DEX netflow. On-chain only; address ≠ person. Example: ?address=0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed$0.018 Base93 ms2 payers100% up
  10. 1001gateway.dev/v1/filings/usUse when an agent needs a U.S. public company's SEC filings: latest 10-K/10-Q, 8-K events, proxies, S-1s. Input: ticker or cik, optional form (comma list, e.g. 10-K,8-K), since (YYYY-MM-DD), limit. Output: JSON company profile (CIK, name, industry, exchange, fiscal year end) and filings with dates, 8-K item codes and titles, XBRL flags, sec.gov links. Insider forms without filer names. Data: SEC EDGAR. Example: ?ticker=AAPL&form=10-K,8-K$0.0027 Base69 ms2 payers100% up
  11. 1001gateway.dev/v1/kr/company/procurementUse when an agent needs a South Korean company's government contract wins for sales, credit or competitor research. Input: id (companyId) or business_number; optional from/to (YYYY-MM-DD, max 366 days, default last 12 months), category (goods,works,services,foreign), min_amount, limit, offset. Output: JSON summary (award count, total and largest KRW, top agencies) and awards with title, agency, amount, date. Data: KONEPS. Example: ?id=kr-dart-00126380$0.009 Base42 ms2 payers100% up
  12. 1001gateway.dev/v1/kr/company/resolveUse when an agent must identify a South Korean company before looking up its profile or public-procurement record. Input: one of business_number (10 digits), dart_corp_code, stock_code (KRX, e.g. 005930) or q (company name, exact match ignoring 주식회사/(주)/spacing); first wins. Output: JSON companies with stable companyId, Korean and English names, stock code, DART code, match type, ambiguous flag. Data: OpenDART, KONEPS. Example: ?stock_code=005930$0.002 Base47 ms2 payers100% up
  13. 100social.duoleads.com/v1/youtube/transcriptYouTube Transcript & Captions: the caption transcript of one YouTube video by id or URL (watch, shorts, live, youtu.be): the full text plus timed segments with start and end in milliseconds and the caption language. Video to text for summaries and research. A video without captions is not charged. Bad input is free; not found or no match is not charged.$0.02 Base133 ms2 payers100% up
  14. 100www.brainiac.software/api/v1/token-security/risk-verdictToken risk verdict$0.05 Base107 ms2 payers100% up
  15. 100agentpage402-demo.onrender.com/v1/seoHTML SEO checks for 0.01 USDC.$0.01 Base252 ms2 payers100% up
  16. 100asin402.com/api/data/categoryAmazon category details. Name, parent, children, product count and sales-rank thresholds for category IDs. 1 credit per category; parents=1 adds the parent tree.$0.005 Base183 ms2 payers100% up
  17. 100freetier-agent-api.pages.dev/api/pack/website-to-ragFreeTier Website to RAG pack: Turn any web page into clean AI-ready data in one call: the page as markdown, a RAG-ready index for retrieval, and page metadata (title, description). Built for agents that need to read, quote and answer from a URL. Info: https://freetier-agent-api.pages.dev/packs/website-to-rag$0.015 Base209 ms2 payers100% up
  18. 100social.duoleads.com/v1/x/postsX User Tweets Timeline: the latest public tweets of one X (Twitter) account by handle or x.com URL, newest first. Per tweet the text, author handle and name, verification, followers, likes, replies, retweets, views, language, reply or quote parent, time and URL in the shared social schema; next_cursor gives the next page. Bad input is free; not found or no match is not charged.$0.02 Base80 ms2 payers100% up
  19. 100sift.srv1996466.hstgr.cloud/v1/fact-checkFact check a claim: verdict, confidence and evidence for and against, with sources. Give a claim; we search the live web (Google Search grounding) and judge it only on what the sources say: true, mostly true, mixed, mostly false, false or unproven, with confidence, a short explanation and each piece of evidence linked to its source.$0.08 Base132 ms2 payers100% up
  20. 100chainhilt.ai/api/v1/perp/hyperliquid/order/cancel/previewPreview the Hyperliquid cancel action the user must sign for an open numeric order ID. Errors: 400 invalid input or no matching open order, 502 provider failure; execution may return 422 exchange rejection. Treat spot and perp as one balance only when the account abstraction mode is "unifiedAccount".$0.001 Base274 ms2 payers100% up
  21. 100chainhilt.ai/api/v1/perp/hyperliquid/order/cancel-all/previewPreview the Hyperliquid cancel-all action the user must sign; it cancels the account's open orders on the default perp DEX and spot, but not on builder-deployed perp DEXs. Errors: 400 invalid input or no open orders, 502 provider failure; execution may return 422 exchange rejection. Treat spot and perp as one balance only when the account abstraction mode is "unifiedAccount".$0.001 Base288 ms2 payers100% up
  22. 100chainhilt.ai/api/v1/perp/hyperliquid/twap/place/previewPrepare a TWAP order for L1 signing. Estimated total value at the current mid must be at least $100 for perps or 100 of the pair's quote token for spot; builder-deployed perps are not supported. Sign and submit using the returned submitPath. Errors: 400 invalid input, unknown asset or value under the minimum, 502 provider failure; execution may return 422 exchange rejection. Treat spot and perp as one balance only when the account abstraction mode is "unifiedAccount".$0.001 Base160 ms2 payers100% up
  23. 100relay.straelo.com/domain-risk-trust-decisionDeterministic domain risk and trust evaluation returning ALLOW / REVIEW / BLOCK. Decision for observed evidence; external evidence may change between calls. Uses DNS, RDAP, TLS, HTTP/redirect, URLhaus threat reputation, local indicators. Read-only: external read queries only, no action on domain, no persistence, limited cache. USE WHEN: decide whether domain is safe enough for interaction, onboarding, outreach, or payment. DO NOT USE WHEN: consolidated domain health/operational inspection (use$0.01 Base246 ms2 payers100% up
  24. 100api.healthtravel-api.workers.dev/api/travel/equibaseHorse racing entries from Equibase's free entry pages for a track and date (e.g. PRX; without a date, the track's next card): race card with purse, type, distance, surface, starters and post time; with a race number, the field with program number, post position, horse, age/sex, medication, jockey, weight, trainer and morning-line odds. US tracks (CAN for Canada). No past performances or results.$0.002 Base42 ms2 payers100% up
  25. 100api.shopsocial-api.workers.dev/api/social/youtube-transcriptTranscript (captions) of a public YouTube video from YouTube caption tracks: title, channel, length, available caption languages, and the chosen track as timed segments (start and duration in seconds, text) plus the joined full text. Prefers human captions over auto-generated ones. Videos without captions return an empty segment list; private or removed videos return 404. YouTube bot-checks some requests: those return 503 (not charged), retry.$0.002 Base40 ms2 payers100% up
  26. 100api.companyrecords-api.workers.dev/api/gov/tmview-trademarksEU trade mark (EUTM) search on EUIPO's official Trademark Search API: word mark, status, kind and feature, Nice classes, applicants and representatives, application, registration and expiry dates, with a link to the EUIPO record. Contains search by default, exact name on request, optional status filter. EU trade marks only (no national offices).$0.002 Base37 ms2 payers100% up
  27. 100fomo.x4o2.com/v1/token/:chain/:address/developersFOMO's developer panel for a token: the deployer wallet(s) FOMO links to the token, their FOMO profile where one exists, and their current holdings and trading in it. Use as a dev-wallet and rug-risk signal.$0.001 Base91 ms2 payers100% up
  28. 100agentsvc.io/api/v1/proxy/agent-runHand off a whole research or lookup task in one call: a Claude Haiku 5.5 agent plans the steps, calls up to 38 agentsvc.io tools in parallel (web and news search, page reading, papers, GitHub and npm, company registers and sanctions, crypto prices, token checks, DeFi TVL and yields, wallets, FX and macro data, weather, DNS, WHOIS, SSL, CVEs) and returns a Markdown answer with sources and the list of tool calls it made. Up to 12 steps and about 90 seconds.$0.50 Base141 ms2 payers100% up
  29. 100stationfx.com/economic-data/cross-signal/macro-snapshotOne call returns the current state of every active Station f(x) macro signal (yield curve, real rates, credit stress, labor market, mortgage spread, financial conditions): latest value, date, 5-year z-score, 90-day trend, and a plain-English reading from fixed rules.$0.02 Base237 ms2 payers100% up
  30. 100fundamental-scores-x402.onrender.com/v1/readFetch a public http(s) web page and get its readable main content (boilerplate, nav and ads stripped via Mozilla Readability) as plain text and markdown, plus title, description, byline, site name, language, published time, word count and up to 200 absolute links. HTML and text pages up to 2 MB; 15 s timeout; follows up to 5 redirects. Honours robots.txt for User-Agent FundamentalScoresReader. No logins, paywalls or JavaScript rendering. Bad URLs (400), private/internal hosts (400) and robots.tx$0.002 Base238 ms2 payers100% up
  31. 100quickbuild.quynguyenbac.workers.dev/launchcheck/fullLaunchCheck full report for one public URL: status code, HTTPS/redirects, title/description, Open Graph/Twitter card, robots.txt/sitemap/noindex, plus up to 50 links checked for breakage, og:image load check, desktop 1280x800 and mobile 390x844 JPEG screenshots, edge TTFB and real-browser load time, image alt text, heading outline, mobile overflow, and a P1-P3 prioritized fix list. Read-only. Unreachable sites are not charged.$0.05 Base66 ms2 payers100% up
  32. 100mart402.com/v1/parsePDF parsing: PDF to structured Markdown. Send {url} (this 402 is the exact quote) or a quote_id from the free /v1/parse/quote; flat $0.01/doc for text PDFs, $0.015/page for scanned OCR with hallucination guard (dual-engine consensus). Japanese-strong.$0.01 Base294 ms2 payers100% up
  33. 100agents.avasis.ai/v1/base/tx-receiptTransaction receipt on Base (chain 8453, $0.02): txHash (+ wait) -> polls every 1.2 s up to wait (default 10, max 25) -> status success / reverted, block + confirmations, gas used vs limit, fee in ETH and USD incl. Base L1 fee, decoded input, ERC-20 / NFT transfers with USD, net_for_from, revert reason (replay). Still pending -> nonce state + fee-market diagnosis. Phrases: tx receipt, transaction status, pending transaction, gas used. GET or POST JSON. Unknown hash -> 404, never charged.$0.02 Base108 ms2 payers100% up
  34. 100agents.avasis.ai/v1/base/multi-balanceWallet multi-balance on Base (chain 8453, $0.02): address -> ETH + USDC + up to 10 ERC-20s (addresses or symbols: USDC, USDBC, DAI, WETH, CBBTC, USDT) in ONE batched read: raw + units, USD per asset and total (Chainlink, pegs, Dexscreener), tx_count, is_contract, empty flag, gas affordability (ETH transfer cost at 2x base fee, can_pay_eth_transfer). Phrases: wallet balance, multi balance, usdc balance, eth balance. GET or POST JSON. Per-token fail-soft; RPC down 502, never charged.$0.02 Base119 ms2 payers100% up
  35. 100agents.avasis.ai/v1/eth/tx-precheckEthereum tx precheck ($0.02): simulate an unsigned transaction before signing: revert, gas USD, transfers, wallet PnL, approval risk, counterparty risk, SIGN / CAUTION / BLOCK$0.02 Base131 ms2 payers100% up
  36. 100agents.avasis.ai/v1/base/tx-precheckPre-sign tx precheck for Base (chain 8453, $0.02): simulate transaction {from,to,data,value} with eth_simulateV1 before signing. Returns would_revert + reason, gas USD, each ETH/ERC-20/NFT transfer with USD, wallet PnL (net_for_from usd_net), approval risk (spender, unlimited:true, USD exposure), counterparty risk (GoPlus + OFAC), decoded method, SIGN/CAUTION/BLOCK verdict with reasons. POST JSON or GET. Free live sample /v1/evm/tx-precheck/sample. Advice only; RPC down 502, never charged.$0.02 Base136 ms2 payers100% up
  37. 100agents.avasis.ai/v1/evm/gas-opsEthereum gas + Base gas in one call (evm gas ops, $0.05) for agents that send transactions. Per chain: base fee, priority fee, four EIP-1559 fee tiers (slow/standard/fast/urgent: maxFeePerGas + maxPriorityFeePerGas), next-block base-fee estimate + congestion, ETH + USD cost of a transfer / ERC-20 transfer / approve / swap and of your gas_limit (Chainlink ETH/USD), Base-vs-Ethereum comparison, a pick with its reason. Free live sample /v1/evm/gas-ops/sample. Upstream down 503, never charged.$0.05 Base140 ms2 payers100% up
  38. 100x402-agent-hub.x402-agent-hub.workers.dev/v1/crypto/token-auditInstitutional Onchain Token Rug, Honeypot, Tax & DEX Liquidity Execution Audit across Base, Ethereum, Arbitrum, Optimism, Polygon, BSC, Avalanche, and Solana. Evaluates contract bytecode flags, buy/sell transfer taxes, hidden ownership, whale concentration, LP locks, live DEX liquidity depth, and AMM slippage impact for an intended USD trade size, plus a live simulated buy -> sell round trip (measured taxes + sellability) on Base, Ethereum, BSC, Arbitrum, Optimism, and Polygon.$0.01 Base298 ms2 payers100% up
  39. 100x402-agent-tools.nerolabs.workers.dev/transcribeTranscribes up to 5 audio or video links (MP3, WAV, M4A, MP4 and more; Google Drive and Dropbox links work) to text, optionally with speakers, timestamps and SRT subtitles. Priced per minute allowance: files x maxMinutesPerFile (default 5, at most 10) x $0.01 ($0.02 in detailed mode). Runs nerolabs/bulk-transcription; can take a minute or two.$0.02 Base66 ms2 payers100% up
  40. 100pulse.facts402.com/v1/pulse/searchRaw full-text search over indexed social posts about Base tokens (Farcaster casts; Telegram and news when enabled): query words or phrases, choose sources, since a time. Returns posts with token, source, channel, author, timestamp, excerpt and link, newest first. For social sentiment research, KOL tracking and narrative monitoring on Base.$0.03 Base131 ms2 payers100% up
  41. 100minty-sprout.onrender.com/v1/x402-seller-revenueReal x402 demand from the chain: USDC an address (e.g. a seller's payTo) received on Base in the last 24 hours, with payment count, distinct payers, total, and top payers with the largest payer's share (a high share suggests self-testing or wash volume). Input: 0x address. Deterministic, no LLM.$0.003 Base164 ms2 payers100% up
  42. 100voice.madebydevx.com/v1/translateMachine translation for agents between 100 languages: send text (up to 5,000 chars), target_lang and optional source_lang (auto-detect by default) and get the translation. $0.001 USDC per started 1,000 characters on Base; failures are not charged. LibreTranslate/dTelecom-style {q, source, target} also accepted at /v1/translation. M2M100 1.2B. By DevX.$0.001 Base262 ms2 payers100% up
  43. 100x402-echo-service.onrender.com/chain/gasCurrent gas conditions on Base. POST {} and receive the legacy gas price and the EIP-1559 base fee of the latest block, in wei and gwei. Useful for agents deciding whether to transact now or wait.$0.001 Base204 ms2 payers100% up
  44. 100intel.degenscan.io/v1/carry/breakevenCarry Oracle — Round-trip cost, break-even days and net return on margin for a funding spread by execution mode (taker / one maker leg / all maker); slippage assumed and overridable. Or subscribe: US$100/month flat, unlimited (card https://intel.degenscan.io/v1/carry/checkout or POST /v1/keys/x402/carry_month). Docs https://intel.degenscan.io/docs/carry. Market data and analytics only — not a signal, not investment advice.$0.001 Base103 ms2 payers100% up
  45. 100intel.degenscan.io/v1/options/:currencyCrypto options from Deribit (BTC, ETH): ATM implied-vol term structure, 25-delta risk reversal and butterfly, put/call open-interest and volume ratios, max pain per expiry, DVOL and its 24h change. Market data only — not investment advice.$0.002 Base271 ms2 payers100% up
  46. 100intel.degenscan.io/v1/coin/:symbolEverything about one coin in ONE call: price and basis, Hyperliquid funding (now/8h/24h), liquidation map (nearest clusters, last 24h), smart-money positioning and 24h flow (top 30-day-PnL accounts), options for BTC/ETH (DVOL, ATM IV, 25d skew, max pain) and event pressure from primary sources. Market data only — not investment advice.$0.01 Base262 ms2 payers100% up
  47. 100intel.degenscan.io/v1/defi/yields/bestBest stablecoin yield now: top supply APY per stablecoin (USDC, USDT, DAI, USDS, USDe, PYUSD…) with base APY apart from incentive tokens, and USDC/USDT best pool per chain. TVL floor, extreme pools excluded. Not a risk rating. Market data only — not investment advice.$0.001 Base266 ms2 payers100% up
  48. 100intel.degenscan.io/v1/carry/extremesCarry Oracle — Hyperliquid funding extremes (default |APR| ≥ 200 %) with realized 24h/7d/14d averages next to the instant rate and hours spent in the extreme. Or subscribe: US$100/month flat, unlimited (card https://intel.degenscan.io/v1/carry/checkout or POST /v1/keys/x402/carry_month). Docs https://intel.degenscan.io/docs/carry. Market data and analytics only — not a signal, not investment advice.$0.003 Base297 ms2 payers100% up
  49. 100intel.degenscan.io/v1/carry/extremes/aftermathCarry Oracle — Past Hyperliquid funding-extreme episodes: price return and funding accrued 4/12/24 h after onset, hours above threshold, half-life. Or subscribe: US$100/month flat, unlimited (card https://intel.degenscan.io/v1/carry/checkout or POST /v1/keys/x402/carry_month). Docs https://intel.degenscan.io/docs/carry. Market data and analytics only — not a signal, not investment advice.$0.005 Base276 ms2 payers100% up
  50. 100x402-agent-tools.nerolabs.workers.dev/engagement-rateScores creators from rows an Instagram, TikTok or YouTube scraper already returned (or your own rows): engagement rate by followers and by views, typical rate for that size, fake follower warning signs with reasons, a 0 to 100 score, grade A to F and a shortlist, check or skip verdict. No scraping. $0.003 per creator found in the rows (8 videos of one creator = 1), 100 creators at most. Not charged if none can be scored.$0.006 Base50 ms2 payers100% up
  51. 100verifylite.hydratinghealingtouch.workers.dev/domainDomain intelligence: WHOIS/RDAP registration (registrar, created and expiry dates, status, name servers) plus DNS records (A, AAAA, MX, NS, TXT, CAA) and email security (SPF, DMARC), with flags for new, expiring or misconfigured domains, as one JSON object. Useful for vetting a company, vendor or link before trusting it. Not charged for invalid or reserved domain names.$0.0042 Base90 ms2 payers100% up
  52. 100verifylite.hydratinghealingtouch.workers.dev/injection-checkPrompt injection detection for AI agents: classify untrusted, agent-bound text or a URL (web pages, emails, tool and MCP output, RAG documents) as clean, suspicious or malicious before your LLM reads it. Returns a 0-100 risk score, each matched pattern (instruction overrides, jailbreaks, fake system prompts, requests for keys or seed phrases, exfiltration links, invisible Unicode, hidden HTML) and cleaned text. Up to 50,000 characters. Not charged on bad input.$0.0044 Base178 ms2 payers100% up
  53. 100asin402.com/api/data/topsellersMost-rated Amazon sellers. Ordered list of seller IDs with the most ratings in a marketplace (up to 100,000). 50 credits.$0.007 Base207 ms2 payers100% up
  54. 100freetier-agent-api.pages.dev/api/gasGas price (5 EVM chains): Live gas prices across 5 EVM chains in one call (Ethereum, Base, Arbitrum, Optimism, Polygon): gas price in gwei, latest block, and the cost of an ETH transfer, an ERC-20/USDC transfer and a swap in native coin and USD, plus a ranking of which chain is cheapest right now. Public RPC nodes with failover; no keys.$0.0015 Base49 ms2 payers100% up
  55. 100freetier-agent-api.pages.dev/api/base-gasBase gas price: Live Base mainnet gas price (gwei), latest block, and estimated ETH cost of a USDC transfer (~65k gas) and a plain ETH transfer (21k gas).$0.0015 Base43 ms2 payers100% up
  56. 100agentx402pay.com/api/prediction-arbSame question priced differently on Polymarket and Kalshi. Each pair passes outcome-name, number, date, negation and key-term checks, with live bid/ask, hedge cost and edge before and after estimated fees, plus both rule texts. No pair found = 404, not charged. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay$0.05 Base115 ms2 payers100% up
  57. 100priceplain.onrender.com/v1/comparePricePlain: compare one shoppable code across all indexed hospitals in a region, sorted cheapest first (by cash price, or by negotiated median when payer is given), with cash, negotiated min/median/max, flags and source file links. Posted prices from hospital machine-readable files, not quotes. Feedback/support: POST /feedback (free) or js4336638@gmail.com.$0.05 Base177 ms2 payers100% up
  58. 100agentx402pay.com/api/insightsTopic attention trend from real Wikipedia page views: 7-day average, week-over-week change, direction and peak day. Premium adds the 30-day daily series, spike days and the same stats for related articles. Attention proxy, not search or social volume. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay$0.01 Base116 ms2 payers100% up
  59. 100a-upgradenet.com/x402/web-searchWeb Search + Read: live web search for AI agents. Use when the agent needs current information beyond its training data. Returns ranked results (title, url, snippet, source) and, with read_top, the clean Markdown of the top pages in the same call. Charged only when at least one result is returned; empty or blocked searches are never charged.$0.01 Base112 ms2 payers100% up
  60. 100freetier-agent-api.pages.dev/api/entity-extractNamed entity extraction: people, organizations, locations, dates, money amounts and products from text (max 6,000 chars), plus emails and URLs by regex. Every AI entity is checked to literally occur in the text. GET query or POST JSON body.$0.005 Base37 ms2 payers100% up
  61. 100freetier-agent-api.pages.dev/api/summarizeText summarizer: summarize up to 12,000 characters into 3-6 bullet points or one paragraph (max_words 20-250, optional output language). Small LLM (Workers AI Llama 3.1 8B), facts only from the text. GET query or POST JSON body.$0.004 Base38 ms2 payers100% up
  62. 100freetier-agent-api.pages.dev/api/email-verify-quickEmail quick check: offline syntax check, disposable-domain flag (~9,900 domains), role address and free-mail flags for one email, no DNS (fastest). Use email-verify for MX checks.$0.0025 Base38 ms2 payers100% up
  63. 100freetier-agent-api.pages.dev/api/geocode-batchGeocode batch: up to 5 addresses or place names (separated by |) to coordinates and a structured address in one call, optional country filter. OpenStreetMap Nominatim, cached, ODbL attribution.$0.002 Base232 ms2 payers100% up
  64. 100freetier-agent-api.pages.dev/api/translateText translation: translate up to 3,000 characters into one of 28 languages (en, da, de, fr, es, it, pt, nl, sv, no, fi, pl, ru, uk, tr, ar, hi, ja, ko, zh, id, vi, th, cs, ro, el, he, hu), source auto-detected. Small LLM (Workers AI). GET query or POST JSON body.$0.005 Base88 ms2 payers100% up
  65. 100freetier-agent-api.pages.dev/api/classifyText classification: classify text (max 6,000 chars) into your own labels (2-20, single or multi-label) with confidence and a short reason; output is always one of your labels. Small LLM (Workers AI Llama 3.1 8B). GET query or POST JSON body.$0.005 Base107 ms2 payers100% up
  66. 100freetier-agent-api.pages.dev/api/company-contactsCompany contacts: public business contact details from the company's own website only - role emails (info@, sales@) with MX check, main phone numbers (E.164), address, company/VAT ids and official social profiles. Personal emails and names omitted (GDPR). robots.txt respected.$0.004 Base73 ms2 payers100% up
  67. 100freetier-agent-api.pages.dev/api/company-techstackWebsite tech stack detection: CMS, e-commerce, frameworks, analytics, marketing, support chat, payments, consent, CDN/hosting and email provider used by a company website, each with evidence (HTML, header or DNS). ~70 signatures.$0.005 Base67 ms2 payers100% up
  68. 100freetier-agent-api.pages.dev/api/wiki-factWikipedia fact lookup: best-matching Wikipedia article for a query with summary, description, URL and structured Wikidata facts (type, country, headquarters, founded, founders, CEO, website, industry, employees, ticker, population, coordinates). Any Wikipedia language.$0.005 Base101 ms2 payers100% up
  69. 100freetier-agent-api.pages.dev/api/email-verify-batchEmail verification batch: up to 20 email addresses in one call - syntax, MX/A records via DNS-over-HTTPS, null MX, disposable, role and free-mail flags, verdict per address and a summary. No SMTP probing, nothing stored.$0.005 Base60 ms2 payers100% up
  70. 100freetier-agent-api.pages.dev/api/news-entityEntity news last 24h: who is writing about a company, person or project in the last 24 hours - article count, top sources, top countries, headlines - plus a Wikipedia identity check of the entity. Data: GDELT DOC 2.0 + Wikipedia.$0.005 Base81 ms2 payers100% up
  71. 100freetier-agent-api.pages.dev/api/token-price-historyToken price history: OHLCV candles (daily up to 180, hourly up to 168) for one token from its most liquid DEX pool, with period change, high and low. Data: GeckoTerminal public DEX API (prices, pools, OHLCV across 8 chains). Not financial advice.$0.005 Base61 ms2 payers100% up
  72. 100freetier-agent-api.pages.dev/api/token-pricesToken prices (multi): USD prices for up to 30 tokens on one network in one call, with market cap, 24h volume and 24h change per token. Data: GeckoTerminal public DEX API (prices, pools, OHLCV across 8 chains). Not financial advice.$0.004 Base58 ms2 payers100% up
  73. 100freetier-agent-api.pages.dev/api/token-portfolioToken portfolio risk scan: up to 20 ERC-20 tokens in one call, each with risk level, score, top flags, liquidity and price, plus a summary (count per risk level, average score, riskiest tokens). Base or Ethereum. Data: GoPlus Security public API (contract flags, taxes, honeypot simulation, holders, LP lock) + DexScreener (pairs, liquidity, volume). Every flag names its source field. Not financial advice.$0.01 Base62 ms2 payers100% up
  74. 100freetier-agent-api.pages.dev/api/token-priceToken price: current USD price of one token by contract address from DEX data, plus market cap, FDV, 24h volume, liquidity and 24h change. Base, Ethereum, Solana, Arbitrum, BSC, Polygon, Optimism, Avalanche. Data: GeckoTerminal public DEX API (prices, pools, OHLCV across 8 chains). Not financial advice.$0.0025 Base71 ms2 payers100% up
  75. 100freetier-agent-api.pages.dev/api/rug-checkRug pull check: one ERC-20 token, pass/warn/fail on four groups - honeypot signals (GoPlus simulation, buy/sell tax, cannot sell all), owner rights (mint, blacklist, pause, hidden owner, proxy, renounce, source verified), liquidity (USD, pairs, pair age, LP locked/burned) and holder concentration - plus an overall rugRisk. Base or Ethereum. Data: GoPlus Security public API (contract flags, taxes, honeypot simulation, holders, LP lock) + DexScreener (pairs, liquidity, volume). Every flag names...$0.005 Base150 ms2 payers100% up
  76. 100freetier-agent-api.pages.dev/api/token-compareToken risk comparison: two ERC-20 tokens side by side: which has the lower risk score and why, flags only one of them has, taxes, holders, liquidity, volume, plus a short AI verdict from the computed facts (rule-based fallback). Base or Ethereum. Data: GoPlus Security public API (contract flags, taxes, honeypot simulation, holders, LP lock) + DexScreener (pairs, liquidity, volume). Every flag names its source field. Not financial advice.$0.0075 Base55 ms2 payers100% up
  77. 100freetier-agent-api.pages.dev/api/token-scoreToken risk score: one ERC-20 token scored (0-100) with a short AI verdict (Workers AI rephrasing only the computed facts; rule-based fallback), risk level, evidence flags, taxes, holder concentration, owner status and DEX liquidity. Base or Ethereum. Data: GoPlus Security public API (contract flags, taxes, honeypot simulation, holders, LP lock) + DexScreener (pairs, liquidity, volume). Every flag names its source field. Not financial advice.$0.005 Base74 ms2 payers100% up
  78. 100agentx402pay.com/api/gold-indexIndex a document without rewriting it. POST JSON {"text": "..."} or {"url": "..."} (HTML/PDF), a text/plain body, or a multipart "file" (text, HTML, PDF). Each section and block gets an exact [start, end) UTF-16 span, section path and SHA-256 fingerprint, plus a coverage check. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay$0.05 Base99 ms2 payers100% up
  79. 100api.webintel-api.workers.dev/api/security/dns-recordsDNS records of a domain (A, AAAA, MX, NS, TXT, CNAME, CAA, SOA) resolved live through the public AdGuard DNS JSON resolver (NextDNS as backup). Shows answers as they resolve now, with TTLs; it does not walk the delegation chain or query the authoritative servers directly.$0.002 Base39 ms2 payers100% up
  80. 100api.tradeenergy-api.workers.dev/api/logistics/alaska-marine-highwayAlaska Marine Highway System ferry schedules from the State of Alaska's official schedule grids, by month and route or vessel (Cross Gulf, Prince William Sound, SE Mainlines, SE Communities, SW and Aleutian Chain, M/V Columbia, M/V Kennicott …): for each direction the ports in order and every sailing with vessel, sailing ID and, per port, local date and time and whether it is a departure or arrival (ports skipped are left out).$0.002 Base34 ms2 payers100% up
  81. 100fomo.x4o2.com/v1/profilesMany FOMO traders at once: ids= (up to 50 user ids, one upstream read) or handles= (up to 25, one read each). Each entry is the profile with Solana (address) and EVM (evmAddress) wallets; include=rank adds rank = { all, 24h, 7d, 30d } of { rank, pnl } per user (one extra read each). Unknown ids or handles go to data.notFound instead of failing the call. Use to rank or enrich traders collected from holders, followers, following or the feed: the way to ranks beyond the leaderboard's top 150.$0.001 Base122 ms2 payers100% up
  82. 100api.shopsocial-api.workers.dev/api/ecommerce/rappiRappi restaurant menu and prices (Mexico, Brazil, Colombia, Argentina, Chile, Peru, Uruguay, Ecuador, Costa Rica): for a Rappi store ID returns store name, brand, address, open status, ETA, delivery fee, rating and reviews, cuisine tags, weekly schedule, active offers, and the menu by section with each product's price, original price, discount %, availability and description. From the public restaurant page; no store search.$0.002 Base40 ms2 payers100% up
  83. 100api.tradeenergy-api.workers.dev/api/energy/battery-energy-storage-bessBattery storage arbitrage margin for a day on the German-Luxembourg day-ahead market (EPEX SPOT DE-LU hourly prices): for a 1, 2 or 4 hour battery, the cheapest charging hours and the most expensive discharging hours, the daily price spread and the gross margin per MW of power after round-trip losses (default 88%). One full cycle per day, perfect foresight, no grid fees or degradation: an upper-bound screening number, not a trading result.$0.002 Base31 ms2 payers100% up
  84. 100astro-agent.dev/v1/western/skySky today: retrogrades, Moon phase, next events: The sky today (no birth data): planet positions, retrogrades and Moon phase now, plus the exact UTC times of the next ingresses, stations (Mercury retrograde), new and full moons and aspects.$0.01 Solana183 ms2 payers100% up
  85. 100www.x402pulse.dev/v1/politics/legislationBills in Congress linked to money: the companies that lobbied on each bill (with amounts) and trades by members of Congress in those companies' stocks, plus each bill's latest action and official link. Search by ticker, member or bill title/number. For research, not proof of motive.$0.0084 Base123 ms2 payers100% up
  86. 100www.x402pulse.dev/v1/politics/revolving-doorRevolving-door lobbyists: people who held government jobs (Congress staff, agencies, the White House) and now lobby for a company, with their former positions, the client, the firm and the filing date. By ticker or across the market. Facts, not accusations.$0.0056 Base288 ms2 payers100% up
  87. 100freetier-agent-api.pages.dev/api/llm-pricingAI model list prices (USD per 1M input/output/cached tokens, context window, vision/tools/reasoning flags) for ~3,000 models across OpenAI, Anthropic, Google, Mistral, Groq, Bedrock, Azure, Together, Fireworks and more, plus verified free tiers/rate limits of AI APIs. Filters: q, provider, free=yes, max_input_per_m, min_context, vision=yes, tools=yes, sort=input|output|context, limit<=100.$0.005 Base45 ms2 payers100% up
  88. 100api.fastaf.co/x402/v1/xX (Twitter) public profile API for AI agents: look up a username for audience research and profile enrichment. Returns JSON with name, handle, biography, follower, following and post counts when available; public profile data, not tweet search. Provided by FastAF X Public Profiles. Price: $0.005000 USDC per successful call. Docs: https://fastaf.co$0.005 Base217 ms2 payers100% up
  89. 100api.fastaf.co/x402/v1/zillowFastAF Zillow Property Listings$0.005 Base277 ms2 payers100% up
  90. 100freetier-agent-api.pages.dev/api/mcp-serversSearch 4,259 MCP (Model Context Protocol) servers by keyword, category, language (python/typescript/go/rust...), scope (cloud/local) and official flag. Returns repo URL and description.$0.001 Base42 ms2 payers100% up
  91. 100social.duoleads.com/v1/linkedin/companyLinkedIn Company Page Data: one LinkedIn company page by URL or page name: name, description, industry, size, employee count, headquarters, website, founding year, type, specialties and logo link, plus its recent posts (posts=1 adds the post feed with next_cursor). Company pages only, personal profiles are refused for free. B2B research. Bad input is free; not found or no match is not charged.$0.02 Base40 ms2 payers100% up
  92. 100x402.datakoot.com/api/country_profileDatakoot Economy Intel: Get a snapshot of a country's key macro indicators (latest available values): GDP, GDP per capita, GDP growth, inflation, unemployment, and population. $0.01 USDC per call, charged only on success.$0.01 Base240 ms2 payers100% up
  93. 100gl1tchbased.xyz/api/x402/quickQuick token check: a compact, low-cost token safety and rug check for one Solana or EVM token. Returns the verdict (CLEAN to RUG-SHAPED), the 0-100 safety score, the checks that failed or warned, liquidity, LP lock, top-holder share and token age. A result can come from a scan up to 5 minutes old. Use it to screen tokens cheaply before running the full scan. Chains: Solana, Ethereum, Base, BSC, Arbitrum, Polygon. Not charged on failure.$0.001 Solana180 ms2 payers100% up
  94. 100api.findmydirectdoctor.com/v1/prices/statsMonthly membership price statistics for US direct primary care (DPC), concierge and cash-pay practices in a state or within a radius of a ZIP code, city or latitude/longitude. Returns practice counts, and per practice model the minimum, 25th percentile, median, 75th percentile, maximum and mean monthly fee, plus the median enrollment fee. Based on the FindMyDirectDoctor directory, verified October 2026.$0.02 Base43 ms2 payers100% up
  95. 100mintintel.35-171-220-195.sslip.io/v1/sol/supply/:mintTotal supply (raw + ui), decimals, program (SPL / Token-2022), mint authority (still mintable?) and freeze authority of a Solana token mint. Cheap single-account read.$0.001 Base80 ms2 payers100% up
  96. 100gl1tchbased.xyz/api/x402/randomVerifiable random numbers: integers in your range from a future drand quicknet round (League of Entropy threshold-BLS beacon), so neither the caller nor the server can know them at request time. Each result carries the round signature and the commitment, so anyone can recompute and check it. Use it for raffles, giveaways, lotteries, fair allocation and games. Not charged on failure.$0.003 Solana116 ms2 payers100% up
  97. 100gl1tchbased.xyz/api/x402/deployerToken deployer reputation (serial rugger check) for a creator wallet: how many of its launches GL1TCH has scanned, how many scanned as high risk or rug-shaped, its worst score and its recent launches, from the GL1TCH Signal Graph. Use it to check who created a token before trusting a new launch. Not charged on failure.$0.003 Solana157 ms2 payers100% up
  98. 100api.mekler.ai/v1/web/pages/capture-screenshotCapture a public HTTPS webpage as PNG or JPEG at a chosen desktop/mobile viewport, optionally its bounded full height. Return image bytes, dimensions, final URL, capture time and SHA-256. 0.01 USDC per successful capture; blocked, incomplete or oversized captures are uncharged. No login, CAPTCHA bypass or arbitrary scripting. Private original-proof recovery lasts 30 days.$0.01 Solana217 ms2 payers100% up
  99. 100api.mekler.ai/v1/services/schema-monitors/create-monitorMonitor one public HTTPS JSON API against your explicit schema for seven days. Includes an initial observation and up to 167 hourly checks, confirmed contract fault/recovery alerts and private history. Source failures remain unknown. 0.50 USDC per term; retrieve and delete with your private capability.$0.50 Solana217 ms2 payers100% up
  100. 100verifylite.hydratinghealingtouch.workers.dev/chain/contractInspects one Base mainnet address: whether it holds contract code and how large, whether it is an EIP-1967 upgradeable proxy (and its implementation address), EIP-7702 delegation, and which standards it reports or behaves like (ERC-165, ERC-721 NFT, ERC-1155, ERC-20). Useful for knowing what kind of contract an agent is about to interact with or approve. Read-only. Not charged for an invalid address or when Base can't be reached.$0.0046 Base266 ms2 payers100% up