x402watch

19,848 paid endpoints are listed. 19,062 answered a real 402 at the last check.

Every x402 endpoint on the Coinbase Bazaar and x402scan, probed unpaid every six hours. A listing tells you the price a seller wrote down. This tells you whether the endpoint is reachable, whether it charges what it declared, and how fast it answers. Ranked by an assay score out of 100.

Last check 2026-10-01 13:23 UTC · 19,848 probed

19,062 answering 402233 down426 rejecting127 no paywall2,385 price drift
  1. 100agentshelf.syntexa.ch/v1/ssl-checkCall when an agent needs a TLS certificate summary for a public host or URL (private IPs blocked). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/ssl-check first.$0.004 Base136 ms1 payers100% up
  2. 100agentshelf.syntexa.ch/v1/lang-detectCall when an agent needs a heuristic language guess for text. No LLM and no network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/lang-detect first.$0.002 Base135 ms1 payers100% up
  3. 100agentshelf.syntexa.ch/v1/hreflang-listCall when an agent needs hreflang alternates extracted from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/hreflang-list first.$0.003 Base132 ms1 payers100% up
  4. 100agentshelf.syntexa.ch/v1/article-datesCall when an agent needs published and modified dates extracted from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/article-dates first.$0.004 Base136 ms1 payers100% up
  5. 100agentshelf.syntexa.ch/v1/robots-allowedCall when an agent needs a path checked against a site's robots.txt (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/robots-allowed first.$0.003 Base135 ms1 payers100% up
  6. 100agentshelf.syntexa.ch/v1/http-headersCall when an agent needs response headers from an SSRF-safe HEAD or GET of a public URL. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/http-headers first.$0.003 Base138 ms1 payers100% up
  7. 100agentshelf.syntexa.ch/v1/content-hashCall when an agent needs a SHA-256 or MD5 hex digest of provided text. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/content-hash first.$0.001 Base134 ms1 payers100% up
  8. 100agentshelf.syntexa.ch/v1/html-to-textCall when an agent needs HTML converted to plain text (scripts and styles removed). No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/html-to-text first.$0.001 Base136 ms1 payers100% up
  9. 100agentshelf.syntexa.ch/v1/page-auditCall when an agent needs a structured SEO/tech audit of a public URL: HTTPS, status, title, meta, robots, canonical, JSON-LD, H1 count, load hints, score 0–100, issues[]. SSRF-safe. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/page-audit first.$0.01 Base135 ms1 payers100% up
  10. 100agentshelf.syntexa.ch/v1/readabilityCall when an agent needs Mozilla Readability article markdown from a public URL, plus title, byline, excerpt, and final_url. SSRF-safe. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/readability first.$0.005 Base135 ms1 payers100% up
  11. 100agentshelf.syntexa.ch/v1/md-to-htmlCall when an agent needs Markdown converted to HTML (headings, lists, links, code, emphasis). No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/md-to-html first.$0.001 Base135 ms1 payers100% up
  12. 100agentshelf.syntexa.ch/v1/table-to-jsonCall when an agent needs HTML tables from a public URL or HTML turned into headers + rows. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/table-to-json first.$0.003 Base137 ms1 payers100% up
  13. 100agentshelf.syntexa.ch/v1/extract-jsonldCall when an agent needs JSON-LD blocks extracted from a public page or HTML (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/extract-jsonld first.$0.004 Base137 ms1 payers100% up
  14. 100agentshelf.syntexa.ch/v1/extract-phonesCall when an agent needs phone numbers extracted from a public page or HTML (SSRF-safe). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/extract-phones first.$0.003 Base136 ms1 payers100% up
  15. 100agentshelf.syntexa.ch/v1/extract-metaCall when an agent needs title, description, canonical, robots, og:*, twitter:*, and icons[] from a public page. SSRF-safe. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/extract-meta first.$0.003 Base137 ms1 payers100% up
  16. 100agentshelf.syntexa.ch/v1/extract-linksCall when an agent needs absolute, de-duplicated links (cap 500) from a public URL or provided HTML. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/extract-links first.$0.003 Base136 ms1 payers100% up
  17. 100agentshelf.syntexa.ch/v1/mentionsCall when an agent needs a structured brand/product mention brief from public web sources: theme clusters, sentiment, and short licensed samples. Exact $0.02 USDC on Base via x402. Prefer unpaid POST /v1/sandbox/mentions first.$0.02 Base136 ms1 payers100% up
  18. 100agentshelf.syntexa.ch/v1/extract-emailsCall when an agent needs public emails extracted from a page URL or HTML (de-duped, cap 100). No guessing. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/extract-emails first.$0.003 Base137 ms1 payers100% up
  19. 100agentshelf.syntexa.ch/v1/dns-lookupCall when an agent needs public DNS A, AAAA, MX, TXT, and CNAME records for a hostname (private targets blocked). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/dns-lookup first.$0.003 Base136 ms1 payers100% up
  20. 100agentshelf.syntexa.ch/v1/html-to-mdCall when an agent already has HTML and needs clean markdown. No network. Optional url is a base for relative links only. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/html-to-md first.$0.002 Base137 ms1 payers100% up
  21. 100agentshelf.syntexa.ch/v1/url-to-mdCall when an agent needs main content of a public http(s) URL as markdown plus title and final_url. SSRF-safe fetch. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/url-to-md first.$0.005 Base137 ms1 payers100% up
  22. 100agentshelf.syntexa.ch/v1/token-countCall when an agent needs a heuristic token count for text (not a model tokenizer). No LLM. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/token-count first.$0.001 Base137 ms1 payers100% up
  23. 100agentshelf.syntexa.ch/v1/spf-dmarcCall when an agent needs SPF and DMARC policy for a public hostname (no mail is sent). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/spf-dmarc first.$0.003 Base137 ms1 payers100% up
  24. 100agentshelf.syntexa.ch/v1/css-selectCall when an agent needs text and attributes extracted with CSS selectors from a public page or HTML (SSRF-safe, node cap). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/css-select first.$0.004 Base137 ms1 payers100% up
  25. 100agentshelf.syntexa.ch/v1/security-headersCall when an agent needs CSP, HSTS, X-Frame-Options, Referrer-Policy, and Permissions-Policy audited on a public URL (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/security-headers first.$0.004 Base139 ms1 payers100% up
  26. 100agentshelf.syntexa.ch/v1/reverse-dnsCall when an agent needs PTR hostnames for a public IPv4 or IPv6 address (private addresses rejected). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/reverse-dns first.$0.003 Base138 ms1 payers100% up
  27. 100agentshelf.syntexa.ch/v1/ip-geoCall when an agent needs geo, ASN, and ISP data for a public IP (private and metadata addresses rejected). Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/ip-geo first.$0.003 Base139 ms1 payers100% up
  28. 100agentshelf.syntexa.ch/v1/rdapCall when an agent needs a structured RDAP record for a public hostname (private names blocked). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/rdap first.$0.005 Base139 ms1 payers100% up
  29. 100agentshelf.syntexa.ch/v1/json-repairCall when an agent needs broken JSON repaired deterministically, with the list of transforms applied. No LLM. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/json-repair first.$0.002 Base137 ms1 payers100% up
  30. 100sovereign-x402-zeta.vercel.app/api/v1/sequence/primeGenerate a list of prime numbers up to a specified limit.$0.001 Base300 ms1 payers100% up
  31. 100intent-api-matchmaker-mainnet-production.up.railway.app/v1/matchMatch normalized agent intents to endpoint contracts with explainable constraints.$0.003 Base275 ms1 payers100% up
  32. 100vending-machine-seven.vercel.app/api/v/crypto-pricesLive USD spot prices for crypto assets via CoinGecko simple price API$0.005 Base127 ms1 payers100% up
  33. 100money-agent-production-736f.up.railway.app/v1/radarCall when you need open GitHub issues with a parsed USD bounty (Algora/$/USD in title or labels). Optional minUsd and q filter the list. Not a generic GitHub search clone.$0.05 Base207 ms1 payers100% up
  34. 100apexrunner.ai/signals/token-unlockAPEX Runner: Token Unlock Signal$0.007 Base229 ms1 payers100% up
  35. 100apexrunner.ai/signals/liquidation-magnetAPEX Runner: Liquidation Magnet Signal$0.007 Base218 ms1 payers100% up
  36. 100apexrunner.ai/signals/grid-levelsAPEX Runner: Grid Levels Signal$0.007 Base186 ms1 payers100% up
  37. 100apexrunner.ai/signals/dca-signalAPEX Runner: Dca Signal Signal$0.007 Base65 ms1 payers100% up
  38. 100gateway.spraay.app/api/v1/swap/quoteSwap quotes via Uniswap V3.$0.008 Base57 ms1 payers100% up
  39. 100gateway.spraay.app/api/v1/invoice/createCreate invoice with payment tx.$0.05 Base96 ms1 payers100% up
  40. 100gateway.spraay.app/api/v1/swap/tokensSupported swap tokens.$0.001 Base98 ms1 payers100% up
  41. 100gateway.spraay.app/api/v1/bridge/chainsSupported bridge chains.$0.002 Base291 ms1 payers100% up
  42. 100api.messari.io/token-unlocks/v1/allocationsGet token allocation breakdowns by category and vesting bucket.$0.25 Base123 ms1 payers100% up
  43. 100minia2a.uk/x402/ua-parseminia2a service: x402-ua-parse$0.05 Base156 ms1 payers100% up
  44. 100minia2a.uk/x402/sentiment-fastFast sentiment analysis of text.$0.20 Base172 ms1 payers100% up
  45. 100minia2a.uk/x402/ai-briefingGenerate a concise briefing on a topic using AI.$0.03 Base173 ms1 payers100% up
  46. 100minia2a.uk/x402/randomminia2a service: x402-random$0.10 Base174 ms1 payers100% up
  47. 100minia2a.uk/x402/web-scrapeminia2a service: x402-web-scrape$0.50 Base177 ms1 payers100% up
  48. 100minia2a.uk/x402/gasminia2a service: x402-gas$0.50 Base185 ms1 payers100% up
  49. 100minia2a.uk/x402/swap-safetyminia2a service: x402-swap-safety$0.05 Base158 ms1 payers100% up
  50. 100minia2a.uk/x402/uuidminia2a service: x402-uuid$0.10 Base192 ms1 payers100% up
  51. 100minia2a.uk/x402/storeminia2a service: x402-store$0.50 Base180 ms1 payers100% up
  52. 100minia2a.uk/x402/crypto-priceminia2a service: x402-crypto-price$0.50 Base215 ms1 payers100% up
  53. 100minia2a.uk/x402/token-securityminia2a service: x402-token-security$0.02 Base180 ms1 payers100% up
  54. 100minia2a.uk/x402/x402-findminia2a service: x402-find$0.50 Base248 ms1 payers100% up
  55. 100minia2a.uk/x402/dns-lookupminia2a service: x402-dns-lookup$0.10 Base158 ms1 payers100% up
  56. 100minia2a.uk/x402/premium-ai-toolkitPremium AI toolkit — text, code, and analysis.$0.10 Base157 ms1 payers100% up
  57. 100api.healthparse.io/v1/exclusions/searchSearch the OIG List of Excluded Individuals/Entities (LEIE) by name, NPI, state, or exclusion type. Answers: is this provider excluded from federal healthcare programs? Monthly refresh.$0.03 Base182 ms1 payers100% up
  58. 100shelf-production-43b5.up.railway.app/v1/sepolia/block-height/t1Base Sepolia block number.$0.001 Base Sepolia99 ms1 payers100% up
  59. 100defi.hugen.tokyo/defi/bridge/chainsList all blockchain networks supported for cross-chain bridging — 30+ chains with chain IDs, names, and native token info. Accepts USDC payments on Base and Solana$0.01 Base177 ms1 payers100% up
  60. 100defi.hugen.tokyo/defi/stablecoinsStablecoin market data — circulating supply by peg type, chain distribution, market cap rankings, and issuer info for 100+ stablecoins. Accepts USDC payments on Base and Solana$0.01 Base274 ms1 payers100% up
  61. 100defi.hugen.tokyo/defi/token/solanaToken security audit on Solana — detect honeypots, freeze authority, mint authority abuse, and holder concentration risks. Full SPL token analysis including metadata verification and liquidity pool checks. No API keys needed. Accepts USDC payments on Base and Solana$0.01 Base197 ms1 payers100% up
  62. 100agent.memoryapi.org/x402/erc8004/browseBrowse ERC-8004 registered AI agents on Base. Filter by x402 payment support.$0.001 Base232 ms1 payers100% up
  63. 100market.memoryapi.org/x402/market/tokenizedTokenized securities prices from CoinGecko. Real-time quotes for tokenized stocks and real-world assets (RWA tokens).$0.001 Base265 ms1 payers100% up
  64. 100api.healthparse.io/v1/facilities/snf/searchSearch snf quality data by state, city, ZIP, or CMS star rating. Answers: which snf meet quality thresholds in a market? Source: CMS Care Compare, monthly refresh.$0.02 Base128 ms1 payers100% up
  65. 100api.healthparse.io/v1/facilities/hospitals/searchSearch hospitals quality data by state, city, ZIP, or CMS star rating. Answers: which hospitals meet quality thresholds in a market? Source: CMS Care Compare, monthly refresh.$0.02 Base116 ms1 payers100% up
  66. 100api.healthparse.io/v1/prices/searchSearch hospital price-transparency negotiated rates by billing code (CPT/HCPCS/MS-DRG), state, payer, hospital CCN, or rate type. Answers: what do payers actually pay for this procedure at these hospitals? Source: hospital-published MRFs.$0.03 Base131 ms1 payers100% up
  67. 100api.healthparse.io/v1/facilities/dialysis/searchSearch dialysis quality data by state, city, ZIP, or CMS star rating. Answers: which dialysis meet quality thresholds in a market? Source: CMS Care Compare, monthly refresh.$0.02 Base134 ms1 payers100% up
  68. 100api.healthparse.io/v1/nonprofits/officers/searchSearch nonprofit hospital executive compensation: officers and key employees by organization (EIN), name, or compensation range. Answers: who are the executives at this nonprofit health org and what do they earn? Source: IRS Form 990 Schedule J.$0.02 Base255 ms1 payers100% up
  69. 100api.healthparse.io/v1/facilities/hospice/searchSearch hospice quality data by state, city, ZIP, or CMS star rating. Answers: which hospice meet quality thresholds in a market? Source: CMS Care Compare, monthly refresh.$0.02 Base136 ms1 payers100% up
  70. 100api.healthparse.io/v1/facilities/home-health/searchSearch home health quality data by state, city, ZIP, or CMS star rating. Answers: which home health meet quality thresholds in a market? Source: CMS Care Compare, monthly refresh.$0.02 Base206 ms1 payers100% up
  71. 100api.healthparse.io/v1/asc/searchSearch ambulatory surgical centers (ASCs) by state, CCN, or name. Answers: which ASCs are in a given market? Source: CMS ASC cost data.$0.02 Base238 ms1 payers100% up
  72. 100api.healthparse.io/v1/hospitals/searchSearch US hospitals by state, city, type, control, beds, discharges, revenues, or operating margin. Answers: which hospitals in a market match a financial or operational profile? Source: CMS cost reports (HCRIS 2552-10).$0.02 Base225 ms1 payers100% up
  73. 100api.healthparse.io/v1/manufacturers/yoy-increase/searchManufacturers/GPOs whose TOTAL Open Payments spend genuinely increased year-over-year — a real per-manufacturer delta (amount_current vs amount_prior), not a magnitude threshold. Defaults to 2023→2024 (any loaded year pair via year/prior_year). Filter: specialty, state, min_increase_usd (default $10,000), min_pct_change (default 10%). NOTE: op_manufacturer_payments holds only PY2024 today — real, returns total_matched=0 (never fabricated) until a prior year is imported; see stage1b-report.md.$0.10 Base182 ms1 payers100% up
  74. 100api.healthparse.io/v1/hospitals/:ccnHospital cost-report record by CMS Certification Number (CCN). Answers: what are the financial and operational metrics for this hospital across fiscal years? Includes identity, beds, discharges, revenues, net income, operating margin.$0.01 Base191 ms1 payers100% up
  75. 100api.healthparse.io/v1/open-payments/recipients/yoy-increase/searchPhysicians whose TOTAL CMS Open Payments industry payments genuinely increased year-over-year — a real per-NPI delta (amount_current vs amount_prior), not a magnitude threshold. Defaults to 2023→2024 (any loaded year pair selectable via year/prior_year). Filter: specialty, state, min_increase_usd (default $1,000), min_pct_change (default 10%). Only physicians paid in BOTH years with a real rise clearing both thresholds are returned. Public CMS provider-level data; not a consumer report.$0.10 Base127 ms1 payers100% up
  76. 100api.healthparse.io/v1/wages/searchHealthcare wage benchmarks by SOC occupation and area (national, state, metro): median, mean, and P25–P90 percentiles plus employment. Answers: what does this role pay in this market? Source: BLS OEWS.$0.02 Base106 ms1 payers100% up
  77. 100health.memoryapi.org/x402/health/globalWHO Global Health Observatory — life expectancy, obesity, alcohol, air pollution by country.$0.001 Base293 ms1 payers100% up
  78. 100api.healthparse.io/v1/open-payments/recipients/searchScreen physicians industry is already paying — the recipient side of the CMS Open Payments (Sunshine Act) file, ranked by total reported payment amount. Filter by specialty, state, nature_of_payment, and min_amount. Prescriber name / specialty / state / city are resolved by joining the NPI to the CMS Part D Prescribers file (Open Payments carries none of them). Public CMS provider-level data; not a consumer report.$0.10 Base107 ms1 payers100% up
  79. 100api.healthparse.io/v1/prescribers/part-d/searchScreen Medicare Part D prescribers by specialty, state, and claim volume — the per-prescriber roster a pharma / device team targets. Optional drug_category (brand | opioid | opioid_long_acting | antibiotic) selects the matching CMS *_total_claims column for BOTH the min_claims threshold and the ranking (else total_claims). Returns one row per NPI with the CMS claim rollups. Public CMS provider-level data; not a consumer report.$0.10 Base123 ms1 payers100% up
  80. 100x402.coinstats.app/coins/:coinIdCoinStats detailed data for a single cryptocurrency — price, market cap, supply, rank, links$0.001 Base32 ms1 payers100% up
  81. 100predict.memoryapi.org/x402/predict/sports_arbFind sports betting arbitrage opportunities from The Odds API.$0.005 Base151 ms1 payers100% up
  82. 100market.memoryapi.org/x402/market/news_sentimentFinancial news with sentiment analysis from Marketaux. Per-symbol sentiment aggregation.$0.005 Base102 ms1 payers100% up
  83. 100market.memoryapi.org/x402/market/holdingsInstitutional investor SEC Form 13F filings. Look up any institution by CIK or name to get their latest 13F filing date and link.$0.005 Base241 ms1 payers100% up
  84. 100market.memoryapi.org/x402/market/calendarEconomic event calendar from FRED with sector performance from FMP. Upcoming key economic releases.$0.001 Base263 ms1 payers100% up
  85. 100api.healthparse.io/v1/prescribers/part-d/by-drug/searchFind Medicare Part D prescribers of a specific DRUG or therapeutic CLASS at NPI level — the core pharma targeting query. Filter by drug_class (GLP-1, SGLT2, DPP-4, Statin, from partd_drug_class) or a single drug (brand or generic, e.g. 'Ozempic'), plus specialty, state, min_claims, min_beneficiaries, year. Each hit carries the drug's claim/cost volume and the prescriber's specialty/state/city. Public CMS provider-level data; not a consumer report.$0.03 Base116 ms1 payers100% up
  86. 100api.healthparse.io/v1/covered-entities-340b/searchSearch HRSA 340B OPAIS covered entities + child sites by state, entity type (FQHC/DSH/CAH/RHC/…), or name — the 340B buyer/pharmacy roster. Answers: which 340B-eligible entities operate in my territory, and which have an NPI to join into the provider graph? Powers pharma-sales (340B pharmacies) targeting. Filter: state, entity_type, name, has_npi, parents_only.$0.03 Base121 ms1 payers100% up
  87. 100api.healthparse.io/v1/health-centers/searchDiscover FQHC / Look-Alike health-center SITES from the HRSA roster by state, type, county, name, or newly-added-to-scope date (added_since = new-site trigger). Answers: which FQHC sites exist in my territory, and which are new? Each site is entity-resolved into NPPES (matched_npi / match_method). Powers pharma-sales 340B, medical-device, and medical/travel-nurse staffing targeting. Filter: state, health_center_type, status, name, county, added_since, resolved_only.$0.03 Base128 ms1 payers100% up
  88. 100api.healthparse.io/v1/manufacturers/open-paymentsWhich manufacturers pay a given physician specialty in a territory, and how much — CMS Open Payments rolled up to the paying company. Answers: which pharma/device companies already reach cardiologists in Texas, and which are the small/emerging ones (max_total_spend) to partner with or compete against? Filter: specialty, state, performance_year (defaults to latest), max_total_spend/min_total_spend, min_physicians; sort by matched_amount or manufacturer_total_spend (asc = smallest first).$0.03 Base134 ms1 payers100% up
  89. 100api.healthparse.io/v1/manufacturers/searchDiscover pharma & device MANUFACTURERS from CMS Open Payments by name, total-spend band, or year of first appearance — the emerging/small-brand filter (low total_spend and/or recent first_seen_year) plus optional specialty/state activity. Answers: which small or new manufacturers pay physicians in my category and territory? Entity-resolved company dimension (DBA/subsidiary variants merged). Filter: name, max_total_spend, first_seen_year_min/max, specialty, state.$0.03 Base142 ms1 payers100% up
  90. 100api.healthparse.io/v1/providers/:npi/provider360One-call dossier of everything Healthparse knows about a provider NPI: NPPES identity, taxonomy and practice address; Medicare ordering-and-referring privileges; NPI exclusion screen (OIG LEIE, GSA SAM, state Medicaid, state boards); change-event history; Medicare Part B utilization and Part D prescribing summaries; Open Payments totals by year; hospital affiliations with star ratings; MIPS quality scores. Absent legs say so explicitly. Records as filed; not a consumer report.$0.25 Base176 ms1 payers100% up
  91. 100api.healthparse.io/v1/hospitals/capex-signalsHospital capital-expenditure jump signals from CMS cost reports (Worksheet A-7): hospitals whose major movable equipment purchases hit at least $1M and at least 2x the prior fiscal year — an observational marker that a hospital reported a step-up in equipment spend. Answers: which hospitals just bought equipment? Includes purchase dollars by asset class and the prior-year comparison. Filter by state, min_amount (movable-equipment dollars), since; keyset cursor pagination.$0.10 Base165 ms1 payers100% up
  92. 100api.healthparse.io/v1/providers/eventsProvider change-event feed over 7 federal sources: new NPI enumerations, newly billing Medicare, enrollment pending, address changes, deactivations, CLIA lab certificates, ownership changes (CHOW), mammography facility cert changes, and hospital capex jumps. Answers: what changed in my territory since I last looked? Filter by type (comma-separated), state, since (YYYY-MM-DD), npi, ccn; page via next_cursor (keyset). 85k+ events, refreshed twice-weekly to quarterly by source.$0.10 Base155 ms1 payers100% up
  93. 100recallscout.scalpstream.com/recallsRecallScout recall lookup (active US recalls across FDA, NHTSA and CPSC with normalised severity)$0.01 Base290 ms1 payers100% up
  94. 100x402.coinstats.app/coinsCoinStats list of all cryptocurrencies with live market data — price, volume, market cap, rank, % changes$0.001 Base19 ms1 payers100% up
  95. 100twin.unykorn.org/wallet-briefWallet risk-signals brief: public sanctions-list check + 10-chain scan + activity + summary in ONE call — Genesis402 / UnyKorn Operator Network$0.03 Base249 ms1 payers100% up
  96. 100sovereign-x402-zeta.vercel.app/api/v1/sequence/catalanCalculate the nth Catalan number.$0.001 Base211 ms1 payers100% up
  97. 100archtools.dev/v1/tools/sentiment-analysisClassify text as positive, negative or neutral with scores and emotion detection. Instant NLP for reviews, support and social. Pay per call with USDC (x402) or credits - archtools.dev$0.015 Base263 ms1 payers100% up
  98. 100archtools.dev/v1/tools/ocr-extractExtract text from images and screenshots with AI vision. Send a URL or base64 image, get accurate text back in seconds. Pay per call with USDC (x402) or credits - archtools.dev$0.015 Base236 ms1 payers100% up
  99. 100api.govparse.io/v1/pecos/provider-exodus/searchWhich medical groups are losing clinicians? Windows two CMS reassignment snapshots (individual→group affiliation): per group, clinicians (NPIs) affiliated in the prior snapshot but gone in the latest. Filter by state, specialty, org (group name), group_id, min_dropped, or a since baseline. Returns net churn per org + the dropped NPIs — the facility-losing-clinicians backfill tell. CMS public-domain records.$1.25 Base141 ms1 payers100% up
  100. 100phion.systems/v1/paid/journeys/verifyVerify a hash-linked agent commerce journey and issue a signed portable receipt$0.01 Base37 ms1 payers100% up