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. 100agent-toolbox.zafermemon87.workers.dev/v1/whoisDomain registration data from RDAP (the successor of WHOIS): registrar, creation, expiry and update dates, status codes, nameservers and DNSSEC.$0.002 Base50 ms2 payers100% up
  2. 100agent-toolbox.zafermemon87.workers.dev/v1/translateTranslate text (up to 5,000 characters) between 100 languages with M2M100 1.2B.$0.002 Base43 ms2 payers100% up
  3. 100agent-toolbox.zafermemon87.workers.dev/v1/llm/qwen3-30b/chat/completionsOpenAI-compatible chat completion with Qwen3 30B (fast mixture-of-experts model): set the base URL to /v1/llm/qwen3-30b in any OpenAI SDK. Up to 32,000 characters in and 2,048 tokens out per call, a fixed price per call, no streaming.$0.002 Base45 ms2 payers100% up
  4. 100agent-toolbox.zafermemon87.workers.dev/v1/embedText embeddings with BGE-M3 (multilingual, 1024 dimensions) for search, clustering and RAG: up to 100 texts of up to 8,000 characters per call.$0.002 Base43 ms2 payers100% up
  5. 100api.youraitools.co/domaincheck/v1/emailEmail address check for AI agents (signups, outreach, fraud screening): RFC syntax, disposable / role / free-provider detection, MX and null-MX, SPF/DMARC of the domain, domain age via RDAP, parking, verdict (valid | risky | undeliverable | invalid) and 0-100 score. No SMTP probing, no data stored.$0.001 Base149 ms2 payers100% up
  6. 100agent-toolbox.zafermemon87.workers.dev/v1/email-verifyCheck an email address: format, whether the domain exists and accepts mail (MX records), disposable providers, role accounts and free providers, with a valid / risky / invalid verdict. The mailbox itself is not probed.$0.002 Base60 ms2 payers100% up
  7. 100agent-toolbox.zafermemon87.workers.dev/v1/summarizeSummarize text (up to 60,000 characters) or a public web page or PDF by URL with Llama 3.1 8B, short, medium or long, optionally focused on a topic.$0.003 Base72 ms2 payers100% up
  8. 100agent-toolbox.zafermemon87.workers.dev/v1/markdownConvert an uploaded document (PDF, Word, Excel, CSV, HTML, XML, OpenDocument; up to 10 MB) to Markdown.$0.003 Base55 ms2 payers100% up
  9. 100agent-toolbox.zafermemon87.workers.dev/v1/llm/gpt-oss-120b/chat/completionsOpenAI-compatible chat completion with gpt-oss-120b (OpenAI's open-weight reasoning model): set the base URL to /v1/llm/gpt-oss-120b in any OpenAI SDK. Up to 32,000 characters in and 2,048 tokens out per call, a fixed price per call, no streaming.$0.005 Base76 ms2 payers100% up
  10. 100api.avedaris.com/v1/paid/vendor-watch-recheckSupplier re-check: send a vendor domain; get a fresh public snapshot (site up/down and redirect host, registrar, registry status, DNS, MX/SPF/DMARC, trust verdict) and whether anything changed since the last stored check. Use it on a schedule for suppliers you depend on; call vendor-what-changed for the full diff. Uncharged if a data source is down. $0.005 USDC per call on Base.$0.005 Base204 ms2 payers100% up
  11. 100api.avedaris.com/v1/paid/company-quick-checkQuick company check: send a name and website; get site reachability, RDAP domain age, MX/SPF/DMARC and a name-vs-site match, with a pass/review verdict. $0.008 USDC per call on Base.$0.008 Base232 ms2 payers100% up
  12. 100api.avedaris.com/v1/paid/vendor-what-changedSupplier what-changed report: send a vendor domain; get a fresh snapshot, every field that changed since the previous stored check with before/after values and a high/medium/low severity, a one-line summary, and the last recorded changes for that domain. Use it before paying or re-ordering from a supplier. Public signals only. Uncharged if a data source is down. $0.01 USDC per call on Base.$0.01 Base194 ms2 payers100% up
  13. 100makememoneynomistakes.ai/api/v1/directory/changesWhat changed on the x402 Bazaar since a time (since=, default 24 hours): which verified ERC-8004 sellers were paid on Base, by how many wallets and how many new ones, each with the owner agent's verdict and cost, live from onchain USDC; plus listings that appeared, left or changed terms. Call it daily instead of paying every new listing once. Counts are observed, never a promised return.$0.01 Base220 ms2 payers100% up
  14. 100grokzilla.shop/api/skills/dns-lookupDNS-over-HTTPS lookup (A/AAAA/MX/TXT/NS/CNAME/CAA) via Google Public DNS with Cloudflare fallback. Rejects IP literals and private names.$0.002 Base243 ms2 payers100% up
  15. 100grokzilla.shop/api/skills/name-resolveResolve ENS (.eth) on Ethereum and Basenames (.base.eth) on Base, forward or reverse. Returns address, name, source, forward_verified, optional avatar.$0.003 Base246 ms2 payers100% up
  16. 100x402.deepsense.stream/api/v1/market/tradesExact DEX prints for a pool: side, price, USD/token/quote amounts, maker, tx hash and bot label. Filter by minimum USD, maker, time range and side; return oldest or newest first, up to 500 prints. Complements the OHLCV route for backtests, wash-trade checks, copy-trade research and transaction-level audits.$0.003 Base240 ms2 payers100% up
  17. 100x402.deepsense.stream/api/v1/market/poolsRanked DEX pools for Solana, Base and Ethereum: normalised price, market cap, liquidity, buy/sell volume, price change and holder forensics (top-10, sniper, insider, bundle, dev). Filter by liquidity, market cap, volume, trades, holders and top-10 concentration; sort by tradeCount, priceChange or createdAt. Numeric output, no RPC or token decimals to handle.$0.003 Base212 ms2 payers100% up
  18. 100peyon.ai/api/subnet-exit/:netuidExact cost to unstake from a Bittensor subnet right now, from the chain's own swap simulator: TAO received, cost in TAO and percent. Give alpha (amount of alpha) or tao (position value in TAO).$0.01 Base74 ms2 payers100% up
  19. 100x402.deepsense.stream/api/v1/web/extractTurn a public web page into an LLM-ready document: clean markdown with nav/cookie/script boilerplate removed, parsed JSON-LD, OpenGraph, heading outline, tables, link graph, word and token counts, and embedding-ready chunks. Query: url (required), format=markdown, include=jsonld,headings,tables,links,chunks,openGraph. SSRF-guarded, 2MB cap, honours robots.txt.$0.005 Base206 ms2 payers100% up
  20. 100x402.deepsense.stream/api/v1/wallet/profileWallet overview from indexed activity: online/offline status and last active time, top holdings with USD value, related wallets linked by token flows (inflow/outflow counts), and the latest trades or transfers. Works on Solana, Base and Ethereum for wallets the indexer has seen.$0.005 Base298 ms2 payers100% up
  21. 100agents.supremeai.ca/v1/preflightCheck an x402 endpoint BEFORE paying it. Makes one unpaid request (never sends money), decodes the 402 terms, and verifies: the asset is a real USD stablecoin on that network, the price in USD vs your max_price_usd cap (default $0.50), payTo is a sane address (and matches expected_pay_to if given), HTTPS and certificate validity, redirects, and domain age. Returns safe_to_pay, a risk level, findings, and the cheapest acceptable payment option.$0.01 Base269 ms2 payers100% up
  22. 100api.avedaris.com/v1/paid/json-validateCheck whether text is strict JSON: send a string and get valid true/false, the value type, and parse diagnostics when it fails. Use it as a cheap gate before storing or forwarding JSON. $0.001 USDC per call on Base.$0.001 Base33 ms2 payers100% up
  23. 100api.avedaris.com/v1/paid/json-prettyFormat JSON for humans: send valid JSON text and get it back with stable two-space indentation. Use it before showing JSON in logs, diffs or chat. $0.001 USDC per call on Base.$0.001 Base35 ms2 payers100% up
  24. 100api.avedaris.com/v1/paid/email-domain-checkCheck whether a domain can receive email: send an email address or domain and get whether it has MX and A/AAAA records. It does not verify the mailbox. For SPF/DMARC/DKIM use email-auth-check. $0.002 USDC per call on Base.$0.002 Base68 ms2 payers100% up
  25. 100api.avedaris.com/v1/paid/dns-lookupDNS lookup over HTTPS: send a hostname and up to six record types (A, AAAA, CNAME, MX, TXT, NS) and get the public answers with TTLs. Use it to check mail routing, verification TXT records or where a domain points. $0.002 USDC per call on Base.$0.002 Base118 ms2 payers100% up
  26. 100api.avedaris.com/v1/paid/robots-inspectRead a site's robots.txt: send a domain or URL and get allow/disallow rules per user agent and the sitemap URLs. Use it to check whether a crawl is permitted before fetching pages. $0.003 USDC per call on Base.$0.003 Base101 ms2 payers100% up
  27. 100api.avedaris.com/v1/paid/page-metadataGet a page's preview data: send a public URL and get title, meta description, canonical URL, final URL and status. Use it for link previews, SEO checks or quick page triage. $0.003 USDC per call on Base.$0.003 Base107 ms2 payers100% up
  28. 100api.avedaris.com/v1/paid/email-auth-checkEmail authentication check for a sending domain over DNS: MX, SPF (policy and lookup count), DMARC (policy, pct, reporting) and DKIM keys on common selectors. Returns pass/weak/missing per check, findings with fix hints, and a 0-100 email-auth score. Reads public DNS only; no mail is sent. $0.003 USDC per call on Base.$0.003 Base112 ms2 payers100% up
  29. 100api.avedaris.com/v1/paid/domain-rdap-lookupDomain age and registration lookup from public RDAP: registration, expiry and last-changed dates, age in days, registrar, registry status flags and nameservers for a domain. Use it to spot newly registered or expiring domains before trusting a link, sender or vendor. Uncharged when the registry cannot be reached. $0.003 USDC per call on Base.$0.003 Base56 ms2 payers100% up
  30. 100api.avedaris.com/v1/paid/json-repairFix broken JSON from an LLM or scraper: send the malformed text (single quotes, trailing commas, unquoted keys, code fences) and get back parsed, valid JSON plus a repaired flag. Use it before JSON.parse fails in an agent pipeline. $0.005 USDC per call on Base.$0.005 Base68 ms2 payers100% up
  31. 100api.avedaris.com/v1/paid/entity-normalizeentity.normalize$0.005 Base77 ms2 payers100% up
  32. 100api.avedaris.com/v1/paid/text-extract-signalsPull structured signals out of free text: send any text and get the URLs, email addresses, money amounts and ISO dates it contains as separate lists. Use it to triage emails, tickets or scraped pages without an LLM call. $0.008 USDC per call on Base.$0.008 Base76 ms2 payers100% up
  33. 100api.avedaris.com/v1/paid/website-health-reportOne payment and one request replaces four website checks: DNS, HTTP/redirects, robots.txt, and page metadata, returning one evidence-backed health report. $0.009 USDC per call on Base.$0.009 Base58 ms2 payers100% up
  34. 100api.avedaris.com/v1/paid/domain-trust-scoreDomain trust score in one call: combines RDAP domain age and registry status, DNS, MX, SPF, DMARC, DKIM and an HTTPS reachability probe into a deterministic 0-100 score, a verdict (low_risk, review, high_risk) and the reason codes behind it. For vetting a vendor, sender, signup or link before an agent acts. Uncharged if a data source is down. $0.01 USDC per call on Base.$0.01 Base42 ms2 payers100% up
  35. 100gogeta2-u35175.vm.elestio.app/agents/v1/payments/usdc-verifyVerify a USDC payment on Base: tx succeeded, USDC sent to the expected recipient (and from the expected sender), at least min_amount, enough confirmations. Returns verdict + decoded transfers. Unknown tx = not charged.$0.002 Base150 ms2 payers100% up
  36. 100onchaincheck.dev/optimism/tradesWhale and large-trade tracker for an ERC-20 on OP Mainnet: every buy and sell in the last N minutes on the token's deepest WETH/USDC pools (Uniswap v3 or Velodrome), with USD size, side, wallet and transaction for the largest trades, buy/sell volume and net flow, and the wallets that bought or sold the most.$0.02 Base40 ms2 payers100% up
  37. 100peyon.ai/api/pixel-quoteCheapest way to buy N #PIXEL on the Normies Pixel Market right now, listing by listing, with the total in ETH.$0.01 Base73 ms2 payers100% up
  38. 100derivs.duoleads.com/v1/funding-arbitrageFunding arbitrage scanner across 8 exchanges (Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit, OKX): for every coin the widest cross-venue perp funding spread, the long and short venue, both funding rates, gross and fee-adjusted net APR and breakeven days, with a 24h volume liquidity filter. Funding rate arbitrage, basis trade and carry screening of perpetual swaps. Data only, no advice. Bad input is free; under 3 venues not charged.$0.005 Base284 ms2 payers100% up
  39. 100nordata.hihat.workers.dev/firmaNorwegian company lookup from the official Bronnoysund Register Centre (Enhetsregisteret). Search by company name or organisation number (org.nr) and get registered name, legal form, founding date, employees, industry codes (NACE), business address, website, VAT registration, bankruptcy and liquidation status. Use it to verify a Norwegian business, find its org number, or check whether it still exists. Compact JSON, data straight from the registry.$0.003 Base64 ms2 payers100% up
  40. 100nordata.hihat.workers.dev/rollerOfficers and roles of a Norwegian company from the official Bronnoysund Register Centre (Enhetsregisteret), by organisation number. Lists every registered role: CEO (daglig leder), board chair, members, deputies, employee reps, sole-trader owner, partners with liability share, auditor, accountant and bankruptcy trustee, with birth date, org.nr for company holders and a resigned flag. Use it for KYB/UBO checks, signatory verification and board mapping.$0.004 Base68 ms2 payers100% up
  41. 100gankdat.com/x402/data/uk-sponsorsUK licensed visa sponsors (Home Office). Every organisation on the Home Office register of licensed sponsors for Worker and Temporary Worker visa routes — organisation name, town and county, sponsor type, licence rating, and the immigration route (Skilled Worker, Global Business Mobility, Creative Worker, and more). One call returns one page of matching records as JSON (25 by default, per_page up to 100) with the total count and the last refresh time; the query parameters filter the records.$0.005 Base195 ms2 payers100% up
  42. 100gankdat.com/x402/data/uk-schoolsSchools and colleges in England (GIAS + Ofsted). One call returns one page of matching records as JSON (25 by default, per_page up to 100) with the total count and the last refresh time; the query parameters filter the records.$0.005 Base178 ms2 payers100% up
  43. 100nordata.hihat.workers.dev/regnskapLatest annual accounts of a Norwegian company from the official Register of Company Accounts (Regnskapsregisteret). Returns revenue, operating profit, pre-tax result, net result, total assets, equity, debt and cash for the most recent filed year, both company and consolidated group figures when available. Use it for Norwegian company financials, credit checks, KYB and due diligence. Compact JSON in the filing currency.$0.005 Base37 ms2 payers100% up
  44. 100gankdat.com/x402/data/uk-insolvencyUK corporate insolvency notices. The latest corporate insolvency notices from The Gazette (official UK public record) — winding-up petitions and orders, administrator, receiver and liquidator appointments, moratoria, and creditor notices, company-level facts only. One call returns one page of matching records as JSON (25 by default, per_page up to 100) with the total count and the last refresh time; the query parameters filter the records.$0.005 Base105 ms2 payers100% up
  45. 100gankdat.com/x402/data/uk-gambling-operatorsLicensed gambling operators in Great Britain (Gambling Commission register). One call returns one page of matching records as JSON (25 by default, per_page up to 100) with the total count and the last refresh time; the query parameters filter the records.$0.005 Base225 ms2 payers100% up
  46. 100gankdat.com/x402/data/uk-contract-awardsUK contract awards (Contracts Finder). Who won which UK public-sector contract, for how much: award notices from the official Contracts Finder OCDS feed flattened to one row per award and supplier — buyer, supplier and its company number, award value and date, contract period, CPV codes, category and procurement method. One call returns one page of matching records as JSON (25 by default, per_page up to 100) with the total count and the last refresh time; the query parameters filter the records.$0.005 Base143 ms2 payers100% up
  47. 100gankdat.com/x402/data/uk-companiesUK new company incorporations. The newest companies on the UK register, from the official Companies House API — name, number, type, SIC codes, incorporation date, and registered-office area, refreshed daily. One call returns one page of matching records as JSON (25 by default, per_page up to 100) with the total count and the last refresh time; the query parameters filter the records.$0.005 Base131 ms2 payers100% up
  48. 100paid-md.hihat.workers.dev/extractExtract structured JSON from any web page or raw text using your own JSON Schema. Web scraping to structured data: give a URL (or pasted text, HTML or Markdown) plus a schema and get back only the fields you asked for: prices, names, dates, specs, contact details, tables, product data. Handles pages too long to read in full. Returns strict JSON that matches the schema, no prose. Pay per call in USDC via x402.$0.005 Base76 ms2 payers100% up
  49. 100gankdat.com/x402/data/uk-charitiesCharities in England & Wales (Charity Commission). One call returns one page of matching records as JSON (25 by default, per_page up to 100) with the total count and the last refresh time; the query parameters filter the records.$0.005 Base89 ms2 payers100% up
  50. 100gankdat.com/x402/data/sam-exclusionsUS federal exclusions (SAM.gov). gov list — individuals, firms, special entities, and vessels barred from federal awards, with agency, program, and dates — normalized for supplier due diligence. One call returns one page of matching records as JSON (25 by default, per_page up to 100) with the total count and the last refresh time; the query parameters filter the records.$0.005 Base157 ms2 payers100% up
  51. 100gankdat.com/x402/data/uk-company-profilesUK company lookup (Companies House). One UK company by number or name, live from the official Companies House API: profile, status, type, SIC codes, registered-office area, accounts and confirmation-statement dates and overdue flags, charges, the latest filing events and corporate persons with significant control. Blind Mode: officers and individual PSCs are never ingested — filing events carry the category code, not the name. Cached 24 h. One call returns one record as JSON.$0.01 Base121 ms2 payers100% up
  52. 100api.orioncmd.com/v1/dnsOrionCMD Checks: Live DNS / email-auth / CAA / DNSSEC check. NS, A/AAAA/CNAME, MX, SPF, DMARC, CAA (tree-climbing) and DNSSEC via Cloudflare DoH, with plain-English findings and fixes[] (paste-ready SPF merge, DMARC and CAA records with dig verify commands).$0.01 Base40 ms2 payers100% up
  53. 100onchaincheck.dev/taxCanadian sales tax breakdown for an amount in a province or territory: GST, HST, PST, RST or QST with each rate and amount rounded to the cent, plus the total. Rates are looked up for the given date (default today), so historical changes such as Nova Scotia's 2025 HST cut are handled.$0.005 Base34 ms2 payers100% up
  54. 100onchaincheck.dev/polygon/txHuman-readable summary of a Polygon PoS transaction: status, block and time, sender and recipient, POL value, gas used and fee, method selector, and decoded ERC-20 transfers with token symbols and amounts.$0.005 Base35 ms2 payers100% up
  55. 100onchaincheck.dev/polygon/gasCurrent Polygon PoS gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in POL and USD of a native transfer and an ERC-20 transfer (Chainlink POL/USD).$0.005 Base41 ms2 payers100% up
  56. 100onchaincheck.dev/polygon/contractIdentify what lives at a Polygon PoS address: wallet (EOA, including EIP-7702 delegation) or contract, which token standard it implements (ERC-20, ERC-721, ERC-1155), name and symbol, upgradeable-proxy implementation and admin, smart-wallet proxies, bytecode size, nonce and POL balance.$0.005 Base41 ms2 payers100% up
  57. 100onchaincheck.dev/polygon/balancesNative POL balance of a Polygon PoS wallet plus the balances of up to 20 ERC-20 tokens you list, formatted with each token's symbol and decimals, read live from Polygon PoS.$0.005 Base45 ms2 payers100% up
  58. 100onchaincheck.dev/polygon/allowanceERC-20 allowance on Polygon PoS: how much a spender may transfer from an owner, whether the approval is effectively unlimited, the owner's balance, and the amount the spender could move right now.$0.005 Base65 ms2 payers100% up
  59. 100onchaincheck.dev/optimism/txHuman-readable summary of a OP Mainnet transaction: status, block and time, sender and recipient, ETH value, gas used and fee, method selector, and decoded ERC-20 transfers with token symbols and amounts.$0.005 Base88 ms2 payers100% up
  60. 100onchaincheck.dev/optimism/contractIdentify what lives at a OP Mainnet address: wallet (EOA, including EIP-7702 delegation) or contract, which token standard it implements (ERC-20, ERC-721, ERC-1155), name and symbol, upgradeable-proxy implementation and admin, smart-wallet proxies, bytecode size, nonce and ETH balance.$0.005 Base76 ms2 payers100% up
  61. 100onchaincheck.dev/optimism/balancesNative ETH balance of a OP Mainnet wallet plus the balances of up to 20 ERC-20 tokens you list, formatted with each token's symbol and decimals, read live from OP Mainnet.$0.005 Base46 ms2 payers100% up
  62. 100onchaincheck.dev/optimism/allowanceERC-20 allowance on OP Mainnet: how much a spender may transfer from an owner, whether the approval is effectively unlimited, the owner's balance, and the amount the spender could move right now.$0.005 Base59 ms2 payers100% up
  63. 100onchaincheck.dev/eth/txHuman-readable summary of a Ethereum transaction: status, block and time, sender and recipient, ETH value, gas used and fee, method selector, and decoded ERC-20 transfers with token symbols and amounts.$0.005 Base45 ms2 payers100% up
  64. 100onchaincheck.dev/eth/gasCurrent Ethereum gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in ETH and USD of a native transfer and an ERC-20 transfer (Chainlink ETH/USD).$0.005 Base57 ms2 payers100% up
  65. 100onchaincheck.dev/eth/contractIdentify what lives at a Ethereum address: wallet (EOA, including EIP-7702 delegation) or contract, which token standard it implements (ERC-20, ERC-721, ERC-1155), name and symbol, upgradeable-proxy implementation and admin, smart-wallet proxies, bytecode size, nonce and ETH balance.$0.005 Base54 ms2 payers100% up
  66. 100onchaincheck.dev/eth/balancesNative ETH balance of a Ethereum wallet plus the balances of up to 20 ERC-20 tokens you list, formatted with each token's symbol and decimals, read live from Ethereum.$0.005 Base51 ms2 payers100% up
  67. 100onchaincheck.dev/business-daysNumber of business days between two dates in a Canadian province or territory, excluding weekends and that province's statutory holidays (with weekend holidays moved to their observed weekday). Counts from the start date up to but not including the end date, and lists the holidays skipped.$0.005 Base55 ms2 payers100% up
  68. 100onchaincheck.dev/base/txHuman-readable summary of a Base transaction: status, block and time, sender and recipient, ETH value, gas used and fee, method selector, and decoded ERC-20 transfers with token symbols and amounts.$0.005 Base37 ms2 payers100% up
  69. 100onchaincheck.dev/base/gasCurrent Base gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in ETH and USD of a native transfer and an ERC-20 transfer (Chainlink ETH/USD).$0.005 Base45 ms2 payers100% up
  70. 100onchaincheck.dev/base/contractIdentify what lives at a Base address: wallet (EOA, including EIP-7702 delegation) or contract, which token standard it implements (ERC-20, ERC-721, ERC-1155), name and symbol, upgradeable-proxy implementation and admin, smart-wallet proxies, bytecode size, nonce and ETH balance.$0.005 Base41 ms2 payers100% up
  71. 100onchaincheck.dev/base/basenameResolve a Basename (name.base.eth) to its Base address and profile records (avatar, description, url, Twitter, GitHub). Accepts "jesse", "jesse.base" or "jesse.base.eth".$0.005 Base44 ms2 payers100% up
  72. 100onchaincheck.dev/base/balancesNative ETH balance of a Base wallet plus the balances of up to 20 ERC-20 tokens you list, formatted with each token's symbol and decimals, read live from Base.$0.005 Base43 ms2 payers100% up
  73. 100onchaincheck.dev/base/allowanceERC-20 allowance on Base: how much a spender may transfer from an owner, whether the approval is effectively unlimited, the owner's balance, and the amount the spender could move right now.$0.005 Base33 ms2 payers100% up
  74. 100onchaincheck.dev/arbitrum/txHuman-readable summary of a Arbitrum One transaction: status, block and time, sender and recipient, ETH value, gas used and fee, method selector, and decoded ERC-20 transfers with token symbols and amounts.$0.005 Base48 ms2 payers100% up
  75. 100onchaincheck.dev/arbitrum/gasCurrent Arbitrum One gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in ETH and USD of a native transfer and an ERC-20 transfer (Chainlink ETH/USD).$0.005 Base41 ms2 payers100% up
  76. 100onchaincheck.dev/arbitrum/balancesNative ETH balance of a Arbitrum One wallet plus the balances of up to 20 ERC-20 tokens you list, formatted with each token's symbol and decimals, read live from Arbitrum One.$0.005 Base48 ms2 payers100% up
  77. 100onchaincheck.dev/arbitrum/allowanceERC-20 allowance on Arbitrum One: how much a spender may transfer from an owner, whether the approval is effectively unlimited, the owner's balance, and the amount the spender could move right now.$0.005 Base33 ms2 payers100% up
  78. 100onchaincheck.dev/polygon/nftMetadata for an ERC-721 or ERC-1155 token on Polygon PoS: collection name, current owner (ERC-721), token URI, and the metadata JSON fetched and decoded from IPFS, Arweave, HTTPS or an inline data URI, with a browser-loadable image URL.$0.008 Base39 ms2 payers100% up
  79. 100onchaincheck.dev/optimism/nftMetadata for an ERC-721 or ERC-1155 token on OP Mainnet: collection name, current owner (ERC-721), token URI, and the metadata JSON fetched and decoded from IPFS, Arweave, HTTPS or an inline data URI, with a browser-loadable image URL.$0.008 Base44 ms2 payers100% up
  80. 100onchaincheck.dev/eth/nftMetadata for an ERC-721 or ERC-1155 token on Ethereum: collection name, current owner (ERC-721), token URI, and the metadata JSON fetched and decoded from IPFS, Arweave, HTTPS or an inline data URI, with a browser-loadable image URL.$0.008 Base39 ms2 payers100% up
  81. 100onchaincheck.dev/base/nftMetadata for an ERC-721 or ERC-1155 token on Base: collection name, current owner (ERC-721), token URI, and the metadata JSON fetched and decoded from IPFS, Arweave, HTTPS or an inline data URI, with a browser-loadable image URL.$0.008 Base42 ms2 payers100% up
  82. 100onchaincheck.dev/arbitrum/nftMetadata for an ERC-721 or ERC-1155 token on Arbitrum One: collection name, current owner (ERC-721), token URI, and the metadata JSON fetched and decoded from IPFS, Arweave, HTTPS or an inline data URI, with a browser-loadable image URL.$0.008 Base52 ms2 payers100% up
  83. 100onchaincheck.dev/polygon/wallet-profileWho is this Polygon PoS address? Wallet age (first transfer), first funder, contract or EOA, POL balance and nonce, the latest transfers in and out (native, ERC-20, NFTs), top counterparties by count, and recent large transfers in USD (POL, WPOL, USDC, USDT), from Alchemy's transfer index.$0.01 Base45 ms2 payers100% up
  84. 100onchaincheck.dev/polygon/tokenRug check and due-diligence snapshot of an ERC-20 token on Polygon PoS: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WPOL or USDC pool on Uniswap v3. Facts only, no buy or sell opinion.$0.01 Base37 ms2 payers100% up
  85. 100onchaincheck.dev/polygon/new-poolsNew trading pools created on Polygon PoS in the last N minutes on Uniswap v4, Uniswap v3: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with POL, WPOL or USDC, and quote liquidity where readable. Unvetted: many new pools are spam.$0.01 Base44 ms2 payers100% up
  86. 100onchaincheck.dev/optimism/tokenRug check and due-diligence snapshot of an ERC-20 token on OP Mainnet: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WETH or USDC pool on Uniswap v3 or Velodrome. Facts only, no buy or sell opinion.$0.01 Base49 ms2 payers100% up
  87. 100onchaincheck.dev/optimism/new-poolsNew trading pools created on OP Mainnet in the last N minutes on Uniswap v4, Uniswap v3 or Velodrome: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with ETH, WETH or USDC, and quote liquidity where readable. Unvetted: many new pools are spam.$0.01 Base40 ms2 payers100% up
  88. 100onchaincheck.dev/holidaysStatutory (general) holidays for a Canadian province or territory in a given year, using the province's local names, with the actual date and the weekday it is observed when it falls on a weekend.$0.01 Base39 ms2 payers100% up
  89. 100onchaincheck.dev/eth/wallet-profileWho is this Ethereum address? Wallet age (first transfer), first funder, contract or EOA, ETH balance and nonce, the latest transfers in and out (native, ERC-20, NFTs), top counterparties by count, and recent large transfers in USD (ETH, WETH, USDC, USDT), from Alchemy's transfer index.$0.01 Base41 ms2 payers100% up
  90. 100onchaincheck.dev/eth/tokenRug check and due-diligence snapshot of an ERC-20 token on Ethereum: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WETH or USDC pool on Uniswap v3. Facts only, no buy or sell opinion.$0.01 Base27 ms2 payers100% up
  91. 100onchaincheck.dev/eth/new-poolsNew trading pools created on Ethereum in the last N minutes on Uniswap v4, Uniswap v3: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with ETH, WETH or USDC, and quote liquidity where readable. Unvetted: many new pools are spam.$0.01 Base37 ms2 payers100% up
  92. 100onchaincheck.dev/base/wallet-profileWho is this Base address? Wallet age (first transfer), first funder, contract or EOA, ETH balance and nonce, the latest transfers in and out (native, ERC-20, NFTs), top counterparties by count, and recent large transfers in USD (ETH, WETH, USDC, USDT), from Alchemy's transfer index.$0.01 Base33 ms2 payers100% up
  93. 100onchaincheck.dev/base/tokenRug check and due-diligence snapshot of an ERC-20 token on Base: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WETH or USDC pool on Uniswap v3 or Aerodrome. Facts only, no buy or sell opinion.$0.01 Base30 ms2 payers100% up
  94. 100onchaincheck.dev/base/new-poolsNew trading pools created on Base in the last N minutes on Uniswap v4, Uniswap v3 or Aerodrome: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with ETH, WETH or USDC, and quote liquidity where readable. Unvetted: many new pools are spam.$0.01 Base38 ms2 payers100% up
  95. 100api.agentweather.io/v1/access-policy/changesChange events across all tracked domains since a time (GET /v1/access-policy/changes?since=ISO8601, default 7 days): domain, file path, time, old and new SHA-256 and HTTP status, and for robots.txt a summary of user-agent groups added or removed and rule counts changed. File text is not redistribut…$0.01 Base157 ms2 payers100% up
  96. 100onchaincheck.dev/arbitrum/wallet-profileWho is this Arbitrum One address? Wallet age (first transfer), first funder, contract or EOA, ETH balance and nonce, the latest transfers in and out (native, ERC-20, NFTs), top counterparties by count, and recent large transfers in USD (ETH, WETH, USDC, USDT), from Alchemy's transfer index.$0.01 Base32 ms2 payers100% up
  97. 100onchaincheck.dev/arbitrum/tokenRug check and due-diligence snapshot of an ERC-20 token on Arbitrum One: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WETH or USDC pool on Uniswap v3. Facts only, no buy or sell opinion.$0.01 Base33 ms2 payers100% up
  98. 100onchaincheck.dev/arbitrum/new-poolsNew trading pools created on Arbitrum One in the last N minutes on Uniswap v4, Uniswap v3: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with ETH, WETH or USDC, and quote liquidity where readable. Unvetted: many new pools are spam.$0.01 Base32 ms2 payers100% up
  99. 100crypto-market-data.zafermemon87.workers.dev/v1/coinEverything for one coin in one call: price, funding and open interest, order book, liquidations, whale orders and news.$0.005 Base67 ms2 payers100% up
  100. 100upgrade-brief.shopttyass-85f.workers.dev/pypi/changelogPyPI changelog between two versions of a Python package: the full release notes of every version in the range (newest first, up to 100) from the project's changelog file and GitHub releases, with publish dates, bump type, yanked flags, extracted breaking changes and Requires-Python / dependency changes. One call instead of reading a long HISTORY or CHANGES file before a Python package upgrade.$0.01 Base68 ms2 payers100% up