x402watch

53,495 paid endpoints are listed. 29,803 answered a real 402 at the last check.

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

Last check 2026-10-06 00:30 UTC · 53,495 probed

29,803 answering 40217,751 down5,099 rejecting842 no paywall1,877 price drift
  1. 95api.agentfeeds.jp/v1/dex/wrapped/parityWrapped-BTC parity monitor on Base: WBTC/cbBTC on-chain pool price vs 1:1 parity, in bps, plus consecutive-minute streak beyond a deviation threshold. Useful for collateral-acceptance decisions between BTC wrappers of the same underlying asset. Descriptive statistics only; not investment advice.$0.003 Base508 ms1 payers100% up
  2. 95api.agentfeeds.jp/v1/reg/events/headlinesCheapest tier: headlines only (original + machine-translated title) across all 11 Japan regulatory sources, no summary. Upsell entry point to /v1/reg/events. Factual; not legal advice.$0.002 Base514 ms1 payers100% up
  3. 95api.agentfeeds.jp/v1/jp/fx/customs_rateWeekly official Japan Customs reference exchange rate (税関長公示レート) used to convert import declaration values to yen under Article 4-7 of the Customs Tariff Law -- a live proxy to the Customs weekly CSV, not a real-time market rate. Source: Japan Customs (customs.go.jp), whose terms of use explicitly permit commercial use. Factual published data only; not a live FX quote or trading advice.$0.002 Base490 ms1 payers100% up
  4. 95omniguchi.0000402.xyz/care/batheRestore Cleanliness for an active Omniguchi. Any verified payer may care for any hatched target.$0.01 Base345 ms1 payers100% up
  5. 95compress.codreanu.casa/v1/jobs/startFFmpeg video transcode to a smaller MP4 (same resolution and fps). H.264 (x264) or HEVC (nvenc GPU / x265 CPU). Caps: 16 GiB, 2 hours. Do not pay this URL first. 1) GET /v1/info 2) POST /v1/jobs with JSON {profile: nvenc|x264|x265} 3) HTTP PUT the file to the returned uploadUrl 4) POST /v1/jobs/start with JSON {id} and x402 upto on Base USDC. Bill is (durationSeconds/60)*rate. Jobs queue after pay; poll GET /v1/jobs/:id. /v1/info has queueLength and etaSeconds.$2.16 Base934 ms1 payers100% up
  6. 95fiatdock.com/s/svc_78d0f57e-c03d-4fee-b443-4d7529cfcfcbPay-per-call: Base Block Head$0.001 Base559 ms1 payers100% up
  7. 95x402helper.xyz/test-billingPaid test endpoint — verifies that AI agents can successfully complete X402 micropayments$0.001 Base820 ms1 payers100% up
  8. 95worxai.tech/api/x402/v2/ledger$0.035 per delivered ledger receipt row per successful call to get a verified, on-chain proof-of-payment receipt (txHash) from WorxAI's x402 facilitator — useful for agents that need to confirm settlement plumbing works before buying a larger dataset.$0.035 Base399 ms1 payers100% up
  9. 95api.magentlab.com/api/calc/gpsForrest 2003 original Glasgow Prognostic Score (GPS) from CRP in mg/L and albumin. Elevated CRP is >10 mg/L; hypoalbuminaemia is albumin <35 g/L. Assign 1 for CRP >10 and 1 for albumin <35, then sum: GPS 0 when CRP ≤10 and albumin ≥35; GPS 1 when CRP ≤10 and albumin <35 (isolated hypoalbuminaemia) or CRP >10 and albumin ≥35; GPS 2 when CRP >10 and albumin <35. Not mGPS, not hs-mGPS, not a cancer diagnosis or treatment order. magent does not assay CRP or albumin.$0.005 Base733 ms1 payers100% up
  10. 95api.magentlab.com/api/calc/r_issPalumbo 2015 R-ISS for multiple myeloma. ISS from beta-2 microglobulin and albumin (Greipp 2005). R-ISS I: ISS I, standard-risk iFISH CA, and normal LDH. R-ISS III: ISS III plus high-risk CA (del(17p) and/or t(4;14) and/or t(14;16)) or LDH > ULN. R-ISS II: all other combinations. Not a myeloma diagnosis or treatment choice; not R2-ISS; not Durie-Salmon. magent does not assay beta-2 microglobulin, albumin, LDH, or cytogenetics.$0.005 Base281 ms1 payers92% up
  11. 95api.magentlab.com/api/calc/myeloma_issGreipp 2005 International Staging System for multiple myeloma. Stage I: serum beta-2 microglobulin <3.5 mg/L and albumin >=3.5 g/dL. Stage III: beta-2 microglobulin >=5.5 mg/L. Stage II: neither I nor III. Returns iss_stage 1/2/3. Not a myeloma diagnosis or treatment choice; not R-ISS (no LDH, no cytogenetics); not trauma ISS. magent does not assay beta-2 microglobulin or albumin.$0.005 Base846 ms1 payers100% up
  12. 95api.magentlab.com/api/calc/ehmrgLee 2012 EHMRG 7-day ED model (Table 3 integer score): 2*age + 60 if EMS transport - min(SBP,160) + clamp(HR,80-120) - 2*min(SpO2,92) + 20*creatinine_mg_dl + K (<=3.9: +5; 4.0-4.5: 0; >=4.6: +30) + 60 if troponin>ULN + 45 if active cancer + 60 if home metolazone + 12. Groups 1/2/3/4/5a/5b. Dialysis-dependent excluded. Not EHMRG30-ST, not ADHERE CART, not a discharge or admission order.$0.005 Base801 ms1 payers100% up
  13. 95api.magentlab.com/api/calc/gap_indexLey 2012 GAP index (points) from sex (male 1), age (≤60 → 0, 61–65 → 1, >65 → 2), FVC % predicted (>75 → 0, 50–75 → 1, <50 → 2), and DLCO % predicted (>55 → 0, 36–55 → 1, ≤35 → 2; cannot perform → 3). Returns a 0–8 total and stage 1–3 (0–3 / 4–5 / 6–8). Deterministic published points with citation. Not a transplant listing and not a continuous GAP calculator.$0.005 Base992 ms1 payers100% up
  14. 95api.magentlab.com/api/calc/preventKhan 2024 AHA PREVENT base 10-year total CVD percent (ASCVD plus heart failure) for age 30-79 from sex, lipids, treated systolic BP, diabetes, smoking, eGFR, BMI, antihypertensive, and statin. Sex-specific, race-free Table S12 coefficients. Not 30-year, not ASCVD-only, not HF-only, not 2013 PCE, not SCORE2, not a diagnosis or statin order. magent does not assay lipids.$0.005 Base853 ms1 payers100% up
  15. 95api.oassis.dev/web/v1/scrape/batchReads a list of urls you give it and returns a job to collect.$0.002 Base519 ms1 payers100% up
  16. 95dns.intel.rallylive.ca/dns/tld/zoneAbout the .zone top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .zone. $0.01 per call.$0.01 Base658 ms1 payers100% up
  17. 95dns.intel.rallylive.ca/dns/tld/pageAbout the .page top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .page. $0.01 per call.$0.01 Base712 ms1 payers100% up
  18. 95dns.intel.rallylive.ca/dns/tld/runAbout the .run top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .run. $0.01 per call.$0.01 Base560 ms1 payers100% up
  19. 95dns.intel.rallylive.ca/dns/tld/streamAbout the .stream top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .stream. $0.01 per call.$0.01 Base626 ms1 payers100% up
  20. 95dns.intel.rallylive.ca/dns/tld/downloadAbout the .download top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .download. $0.01 per call.$0.01 Base528 ms1 payers100% up
  21. 95dns.intel.rallylive.ca/dns/tld/bidAbout the .bid top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .bid. $0.01 per call.$0.01 Base470 ms1 payers100% up
  22. 95dns.intel.rallylive.ca/dns/tld/winAbout the .win top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .win. $0.01 per call.$0.01 Base523 ms1 payers100% up
  23. 95dns.intel.rallylive.ca/dns/tld/vipAbout the .vip top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .vip. $0.01 per call.$0.01 Base517 ms1 payers100% up
  24. 95dns.intel.rallylive.ca/dns/tld/topAbout the .top top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .top. $0.01 per call.$0.01 Base508 ms1 payers100% up
  25. 95dns.intel.rallylive.ca/dns/tld/clubAbout the .club top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .club. $0.01 per call.$0.01 Base594 ms1 payers100% up
  26. 95dns.intel.rallylive.ca/dns/tld/spaceAbout the .space top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .space. $0.01 per call.$0.01 Base506 ms1 payers100% up
  27. 95dns.intel.rallylive.ca/dns/tld/todayAbout the .today top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .today. $0.01 per call.$0.01 Base445 ms1 payers100% up
  28. 95dns.intel.rallylive.ca/dns/tld/lifeAbout the .life top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .life. $0.01 per call.$0.01 Base347 ms1 payers100% up
  29. 95dns.intel.rallylive.ca/dns/tld/liveAbout the .live top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .live. $0.01 per call.$0.01 Base478 ms1 payers100% up
  30. 95dns.intel.rallylive.ca/dns/tld/worldAbout the .world top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .world. $0.01 per call.$0.01 Base418 ms1 payers100% up
  31. 95dns.intel.rallylive.ca/dns/tld/oneAbout the .one top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .one. $0.01 per call.$0.01 Base422 ms1 payers100% up
  32. 95dns.intel.rallylive.ca/dns/tld/xxxAbout the .xxx top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .xxx. $0.01 per call.$0.01 Base535 ms1 payers100% up
  33. 95dns.intel.rallylive.ca/dns/tld/telAbout the .tel top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .tel. $0.01 per call.$0.01 Base488 ms1 payers100% up
  34. 95dns.intel.rallylive.ca/dns/tld/catAbout the .cat top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .cat. $0.01 per call.$0.01 Base352 ms1 payers100% up
  35. 95dns.intel.rallylive.ca/dns/tld/asiaAbout the .asia top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .asia. $0.01 per call.$0.01 Base433 ms1 payers100% up
  36. 95dns.intel.rallylive.ca/dns/tld/coopAbout the .coop top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .coop. $0.01 per call.$0.01 Base308 ms1 payers100% up
  37. 95dns.intel.rallylive.ca/dns/tld/proAbout the .pro top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .pro. $0.01 per call.$0.01 Base479 ms1 payers100% up
  38. 95dns.intel.rallylive.ca/dns/tld/jobsAbout the .jobs top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .jobs. $0.01 per call.$0.01 Base364 ms1 payers100% up
  39. 95dns.intel.rallylive.ca/dns/tld/travelAbout the .travel top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .travel. $0.01 per call.$0.01 Base321 ms1 payers100% up
  40. 95dns.intel.rallylive.ca/dns/tld/museumAbout the .museum top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .museum. $0.01 per call.$0.01 Base412 ms1 payers100% up
  41. 95api.vextorium.com/erc20-aprobaciones-pagoWhich contracts a wallet has allowed to move its ERC-20 tokens: checks the chain's main tokens (or the ones you pass) over recent blocks plus common spenders (Uniswap routers, Permit2), returning the live allowance and flagging unlimited ones. Find and revoke what you don't use. Usually 2-10 s. Not available on Arbitrum (its public nodes keep no log history); on some chains the public node limits how far back it can search (reported in the result).$0.005 Base233 ms1 payers91% up
  42. 95api.vextorium.com/deficit-mensual-eeuu-pagoMonthly US federal receipts, outlays and deficit (or surplus), plus the trailing 12-month deficit, from the Monthly Treasury Statement. US Treasury, public domain.$0.003 Base222 ms1 payers91% up
  43. 95api.vextorium.com/pdf-extraer-paginas-pagoCreate a new PDF with only the pages you choose (e.g. 1-3,7) from a PDF at a URL, returned in base64.$0.004 Base244 ms1 payers91% up
  44. 95api.vextorium.com/hyperliquid-velas-pagoOHLCV candles of a Hyperliquid perpetual (1m, 5m, 15m, 1h, 4h, 1d, 1w; up to 500) with period change, high, low and annualized volatility. Prices from Hyperliquid's own open market.$0.004 Base231 ms1 payers91% up
  45. 95voice.forgemesh.io/v1/tts/batch-longBatch text-to-speech: synthesize up to 20 text items in a single call, standard voices only, for 501-2000 total characters, returns JSON with base64 WAV audio plus duration and sample rate per item. Use it to: batch-voice a longer set of messages, produce audio for a multi-section script or FAQ, generate several paragraph-length voice clips in one request without repeated calls. USDC on Base via x402.$0.005 Base676 ms1 payers100% up
  46. 95voice.forgemesh.io/v1/audio/speech-longOpenAI-compatible text-to-speech endpoint (input, voice, response_format) for drop-in use with existing OpenAI TTS clients, 1 of 10 standard voices, for 501-2000 characters, WAV/FLAC/OGG output. Use it to: voice a longer OpenAI-formatted request without an API key, migrate an existing TTS integration to pay-per-call pricing, synthesize extended text through a familiar request shape. USDC on Base via x402.$0.003 Base453 ms1 payers100% up
  47. 95voice.forgemesh.io/v1/tts/customExpressive text-to-speech in any of 20 voices: 10 standard (M1-M5, F1-F5) plus 10 personas (Storyteller, Narrator, Announcer, Urgent, Velvet, Sage, Spark, Anchor, Echo, Assistant), with speed and quality control, up to 500 characters, WAV output. Use it to: voice a game character, narrate a branded assistant reply, add a dramatic announcer line, give a chatbot personality-driven audio. USDC on Base.$0.005 Base412 ms1 payers100% up
  48. 95voice.forgemesh.io/v1/tts/pro-longText-to-speech with speed (0.7x-2.0x) and quality-step (1-100) control, 1 of 10 standard voices across 31 languages, for 501-2000 characters, returned as WAV audio. Use it to: pace a longer narration like a podcast intro, read a multi-paragraph script at a chosen speed, produce a slow deliberate reading of instructions, voice an extended alert or briefing. USDC on Base via x402.$0.006 Base416 ms1 payers100% up
  49. 95voice.forgemesh.io/v1/tts/proText-to-speech with speed (0.7x-2.0x) and quality-step (1-100) control, 1 of 10 standard voices across 31 languages, up to 500 characters, returned as WAV audio. Use it to: speak an urgent alert faster, slow a reading for clarity, tune synthesis quality against latency, produce a paced voice cue for a UI, generate a rushed or calm-toned notification. USDC on Base via x402, no API key.$0.003 Base404 ms1 payers100% up
  50. 95voice.forgemesh.io/v1/tts/base-longText-to-speech synthesis in 1 of 10 standard voices (M1-M5 male, F1-F5 female) across 31 languages, for longer text from 501 up to 2000 characters, returned as inline WAV audio. Use it to: read a full paragraph aloud, narrate a multi-sentence agent summary, voice an email or article excerpt, turn a longer LLM response into spoken audio, generate audio for a script section. USDC on Base via x402, no API key.$0.003 Base394 ms1 payers100% up
  51. 95api.oassis.dev/web/v1/sessionWhat /web/v1/session expects$0.006 Base400 ms1 payers100% up
  52. 95cc0.company/api/store/agent-services/sartoshi-gen/invokecc0.company — x402 agent-services marketplace on Base (USDC): CC0 image generation, market-data digests, and third-party agent tools. This endpoint: Sartoshi Generator, Generate 1/1 hand-drawn mfer art in the style of sartoshi (CC0). Thin wobbly ink lines, naive doodle style. Fine-tuned by cc0toshi on a public-domain corpus. CC0 output. Async — returns a job_id to poll.$0.069 Base628 ms1 payers100% up
  53. 95api.munition.io/v1/render/pdfSynchronous HTML to A4 PDF, 0.020 USDC with seven-day deletion eligibility, not a hard public-access cutoff; asynchronous cleanup and caches may persist. Not renewable. Non-guessable public URL, not private: do not submit sensitive content. HTTP x402 only; no PDF MCP tool or MPP route. Candidate implementation; deployment not verified.$0.02 Base605 ms1 payers100% up
  54. 95api.delx.ai/api/v1/x402/eip55-checkCheck whether an address already matches its EIP-55 checksum form — call when verifying an address already matches EIP-55 form. Use for chain input hygiene without live RPC—adjacent to OneSource-class small chain reads, but static/local only so rights and margin stay clear. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base. Execution is first-party, local-only, stateless, and memory-only with no paid upstream, no input retention, and no claim of live chain tip, web se…$0.003 Base558 ms1 payers100% up
  55. 95api.delx.ai/api/v1/x402/compound-returnCompound a list of period returns into a total growth factor. Call when multi-period performance rollups from return series you already have. Returns compounded factor and total return as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base762 ms1 payers100% up
  56. 95api.delx.ai/api/v1/x402/token-estimateEstimate GPT- and Claude-style token counts for a text payload for $0.001 USDC; deterministic and keyless. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the supplied input or one bounded public endpoint at request time; callers must verify before acting.$0.001 Base795 ms1 payers100% up
  57. 95api.delx.ai/api/v1/x402/similarityNormalized string similarity (Levenshtein) for $0.001 USDC. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the supplied input or one bounded public endpoint at request time; callers must verify before acting.$0.001 Base780 ms1 payers100% up
  58. 95api.delx.ai/api/v1/x402/authorization-scheme-identifyAuthorization Scheme Identify: identifies an Authorization scheme without exposing or validating credentials using only bounded caller-supplied values. Call when you need a bounded authorization scheme identify result before accepting, caching, redirecting, or retrying a caller-supplied web response. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for Authorization Scheme Identify as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base…$0.001 Base870 ms1 payers100% up
  59. 95api.delx.ai/api/v1/x402/email-spf-alignment-checkEmail SPF Alignment Check: checks relaxed or strict SPF domain alignment using only bounded caller-supplied values. Call when you need a bounded email spf alignment check result before deciding relaxed or strict SPF domain alignment from caller-supplied fields. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for Email SPF Alignment Check as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. First-party, stateless, memory-o…$0.001 Base992 ms1 payers100% up
  60. 95api.delx.ai/api/v1/x402/overroundOverround/vig from a set of mutually exclusive implied probs. Call when measuring book margin before de-vigging. Returns overround and sum of probs as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base845 ms1 payers100% up
  61. 95api.delx.ai/api/v1/x402/csv-join-by-keyCSV Join By Key: inner-joins two bounded CSV tables on one key column using only bounded caller-supplied values. Call when you need a bounded csv join by key result before an agent hands structured data or a batch plan to a downstream tool with a stricter contract. Returns the bounded transformation or validation finding with counts, normalized values, and a versioned result contract for CSV Join By Key as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. First-party,…$0.001 Base877 ms1 payers100% up
  62. 95api.delx.ai/api/v1/x402/iso3166-country-lookupLookup country name from a static ISO3166-1 alpha-2 table subset. Call when labeling country codes offline. Returns name and code as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base881 ms1 payers100% up
  63. 95api.delx.ai/api/v1/x402/case-camelConvert text to lowerCamelCase for JSON property naming. Call when you need this bounded result before handing data to a downstream tool. Returns deterministic machine-readable JSON for $0.001 USDC via x402 on Base. Honest limit: execution uses only caller-supplied data in memory; it does not call a paid upstream, retain input, search the web, read a live RPC, or invoke a media generator. Results are advisory; the caller owns authorization, budgets, and production controls.$0.001 Base848 ms1 payers100% up
  64. 95api.delx.ai/api/v1/x402/cache-policy-auditAudit cache headers for missing policy and sensitive public-cache exposure. Use it before an autonomous workflow acts on untrusted input, changes an API, retries a request, or evaluates production reliability. Returns bounded machine-readable JSON for $0.002 USDC via x402 on Base or Solana. Execution is deterministic, first-party, local-only, stateless, and does not call an upstream provider; structured validation failures are not billed.$0.002 Base875 ms1 payers100% up
  65. 95api.delx.ai/api/v1/x402/batch-result-summaryBatch Result Summary: summarizes success, failure, pending, and unknown batch statuses using only bounded caller-supplied values. Call when you need a bounded batch result summary result before an agent hands structured data or a batch plan to a downstream tool with a stricter contract. Returns the bounded transformation or validation finding with counts, normalized values, and a versioned result contract for Batch Result Summary as versioned deterministic JSON. Price: $0.001 USDC via x402 on B…$0.001 Base837 ms1 payers100% up
  66. 95api.delx.ai/api/v1/x402/zip-keys-valuesZip key and value lists into an object. Call when you rebuild maps from parallel agent arrays. Returns object and count for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.$0.001 Base839 ms1 payers100% up
  67. 95api.delx.ai/api/v1/x402/cookie-domain-matchCookie Domain Match: evaluates host-only or Domain cookie matching for a request host using only bounded caller-supplied values. Call when you need a bounded cookie domain match result before accepting, caching, redirecting, or retrying a caller-supplied web response. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for Cookie Domain Match as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. First-party, stateless, memory-…$0.001 Base821 ms1 payers100% up
  68. 95api.delx.ai/api/v1/x402/transfer-encoding-checkTransfer Encoding Check: checks transfer-coding order and whether chunked appears only last using only bounded caller-supplied values. Call when you need a bounded transfer encoding check result before accepting, caching, redirecting, or retrying a caller-supplied web response. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for Transfer Encoding Check as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. First-party, stat…$0.001 Base853 ms1 payers100% up
  69. 95api.delx.ai/api/v1/x402/expected-log-growthApprox expected log bankroll growth for a binary bet fraction. Call when comparing bet sizes by growth rate under true_prob (advisory). Returns expected log growth as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base749 ms1 payers100% up
  70. 95api.delx.ai/api/v1/x402/agent-result-citation-checkAgent Result Citation Check: checks bounded citation objects for URL and title fields using only bounded caller-supplied values. Call when you need a bounded agent result citation check result before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for Agent Result Citation Check as versioned deterministic JSON. Pr…$0.001 Base845 ms1 payers100% up
  71. 95api.delx.ai/api/v1/x402/wei-ether-convertConvert between wei and ether using fixed 1e18 scaling without RPC — call when converting wei↔ether with fixed 1e18 scaling. Use for chain input hygiene without live RPC—adjacent to OneSource-class small chain reads, but static/local only so rights and margin stay clear. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base. Execution is first-party, local-only, stateless, and memory-only with no paid upstream, no input retention, and no claim of live chain tip, web searc…$0.003 Base611 ms1 payers100% up
  72. 95api.delx.ai/api/v1/x402/x402-settlement-network-checkX402 Settlement Network Check: compares settlement chain with the accepted challenge network using only bounded caller-supplied values. Call when you need a bounded x402 settlement network check result before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Settlement Network Check as versioned determinist…$0.001 Base715 ms1 payers100% up
  73. 95api.delx.ai/api/v1/x402/eth-to-weiScale ether amounts into wei integer strings for transfers and tx value. Call when preparing value fields, allowances, or transfers denominated in ETH. Returns wei integer string and eth input as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base752 ms1 payers100% up
  74. 95api.delx.ai/api/v1/x402/slugifyConvert text to a URL-safe slug for $0.001 USDC. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the supplied input or one bounded public endpoint at request time; callers must verify before acting.$0.001 Base687 ms1 payers100% up
  75. 95api.delx.ai/api/v1/x402/retention-policy-checkCompare declared retention with a maximum policy window. Use it as a bounded preflight or analysis step inside an enterprise agent workflow before data, policy, integration, security, or commercial decisions reach production. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base or Solana. Execution is first-party, local-only, stateless, memory-only, and has no paid upstream or input retention. Results are advisory; the caller remains responsible for authorization and pro…$0.003 Base614 ms1 payers100% up
  76. 95api.delx.ai/api/v1/x402/slo-complianceMeasure achieved reliability against an SLO target from good and total events. Use it before an autonomous workflow acts on untrusted input, changes an API, retries a request, or evaluates production reliability. Returns bounded machine-readable JSON for $0.002 USDC via x402 on Base or Solana. Execution is deterministic, first-party, local-only, stateless, and does not call an upstream provider; structured validation failures are not billed.$0.002 Base543 ms1 payers100% up
  77. 95api.delx.ai/api/v1/x402/pluralize-liteLightweight English pluralization helper. Call when you label counts in agent messages without i18n frameworks. Returns pluralized word with count for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.$0.001 Base532 ms1 payers100% up
  78. 95api.delx.ai/api/v1/x402/multi-outcome-kellyProportional Kelly-like stakes across exclusive outcomes. Call when allocating bankroll across multi-outcome prediction markets. Returns stakes and fractions per outcome as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base572 ms1 payers100% up
  79. 95api.delx.ai/api/v1/x402/evm-transfer-recipient-checkEVM Transfer Recipient Check: compares an encoded recipient address with the intended recipient using only bounded caller-supplied values. Call when you need a bounded evm transfer recipient check result before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Transfer Recipient Check as versioned deterministic JSON. Price:…$0.001 Base698 ms1 payers100% up
  80. 95api.delx.ai/api/v1/x402/evm-signature-v-classifyEVM Signature V Classify: classifies common signature recovery and EIP-155 v values using only bounded caller-supplied values. Call when you need a bounded evm signature v classify result before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Signature V Classify as versioned deterministic JSON. Price: $0.001 USDC via x40…$0.001 Base537 ms1 payers100% up
  81. 95api.delx.ai/api/v1/x402/bytes-formatHuman-readable byte sizes. Call when presenting file sizes, cache usage, or download progress to users. Returns a human string like 1.5 KB from a byte count. $0.001 USDC per successful call via x402 on Base or Solana—deterministic first-party JSON, no API key, no subscription, and nothing is billed on structured validation errors.$0.001 Base560 ms1 payers100% up
  82. 95api.delx.ai/api/v1/x402/openapi-operation-indexTurn an OpenAPI document into a compact operation index for planning and tool selection. Use it before an autonomous workflow acts on untrusted input, changes an API, retries a request, or evaluates production reliability. Returns bounded machine-readable JSON for $0.002 USDC via x402 on Base or Solana. Execution is deterministic, first-party, local-only, stateless, and does not call an upstream provider; structured validation failures are not billed.$0.002 Base581 ms1 payers100% up
  83. 95api.delx.ai/api/v1/x402/binary-fair-priceMap a true probability into a binary contract fair price in [0,1]. Call when pricing yes/no markets from your probability model. Returns fair price in [0,1] as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base525 ms1 payers100% up
  84. 95api.delx.ai/api/v1/x402/json-boolean-coerceJSON Boolean Coerce: coerces explicit boolean tokens while reporting rejected values using only bounded caller-supplied values. Call when you need a bounded json boolean coerce result before an agent hands structured data or a batch plan to a downstream tool with a stricter contract. Returns the bounded transformation or validation finding with counts, normalized values, and a versioned result contract for JSON Boolean Coerce as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base…$0.001 Base541 ms1 payers100% up
  85. 95api.delx.ai/api/v1/x402/bool-andBoolean AND of two coerced values. Call when you combine agent preflight gates. Returns AND result for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.$0.001 Base570 ms1 payers100% up
  86. 95api.delx.ai/api/v1/x402/open-entities-searchSearch bounded Wikidata entity metadata for $0.001 USDC. Returns stable IDs, labels, descriptions and source links for public places, companies and concepts—not geocoding, navigation, contact data, personal profiling or general web search.$0.001 Base544 ms1 payers100% up
  87. 95api.delx.ai/api/v1/x402/data-classificationClassify a field-name inventory for likely sensitive data without inspecting values. Use it as a bounded preflight or analysis step inside an enterprise agent workflow before data, policy, integration, security, or commercial decisions reach production. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base or Solana. Execution is first-party, local-only, stateless, memory-only, and has no paid upstream or input retention. Results are advisory; the caller remains responsib…$0.003 Base516 ms1 payers100% up
  88. 95api.delx.ai/api/v1/x402/agent-result-error-shape-checkAgent Result Error Shape Check: checks an agent error object for code, message, and retryability using only bounded caller-supplied values. Call when you need a bounded agent result error shape check result before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for Agent Result Error Shape Check as versioned deter…$0.001 Base487 ms1 payers100% up
  89. 95api.delx.ai/api/v1/x402/evm-priority-fee-ratioEVM Priority Fee Ratio: calculates the priority-fee share of the total fee cap using only bounded caller-supplied values. Call when you need a bounded evm priority fee ratio result before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Priority Fee Ratio as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base…$0.001 Base478 ms1 payers100% up
  90. 95api.delx.ai/api/v1/x402/frame-ancestors-checkFrame Ancestors Check: checks whether a CSP frame-ancestors directive contains a required source using only bounded caller-supplied values. Call when you need a bounded frame ancestors check result before accepting, caching, redirecting, or retrying a caller-supplied web response. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for Frame Ancestors Check as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. First-party, sta…$0.001 Base480 ms1 payers100% up
  91. 95api.delx.ai/api/v1/x402/link-header-parseLink Header Parse: parses bounded Link header targets and relation parameters using only bounded caller-supplied values. Call when you need a bounded link header parse result before accepting, caching, redirecting, or retrying a caller-supplied web response. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for Link Header Parse as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. First-party, stateless, memory-only executi…$0.001 Base476 ms1 payers100% up
  92. 95api.delx.ai/api/v1/x402/is-primePrimality check. Call for teaching demos, ID heuristics, or lightweight number filters (bounded integers). Returns whether n is prime with a clear boolean field. $0.001 USDC per successful call via x402 on Base or Solana—deterministic first-party JSON, no API key, no subscription, and nothing is billed on structured validation errors.$0.001 Base483 ms1 payers100% up
  93. 95api.delx.ai/api/v1/x402/text-sha256SHA-256 hex digest of UTF-8 text. Call when content addressing or dupe keys for text. Returns sha256 as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base466 ms1 payers100% up
  94. 95api.delx.ai/api/v1/x402/spf-record-flagsDetect common SPF mechanisms present in a TXT record. Call when quick SPF mechanism inventory without DNS lookup. Returns flags for include/a/mx/all as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base452 ms1 payers100% up
  95. 95api.delx.ai/api/v1/x402/set-intersectSet intersection of two lists. Call when you find shared agent tags/IDs. Returns intersection items and count for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.$0.001 Base493 ms1 payers100% up
  96. 95api.delx.ai/api/v1/x402/csv-delimiter-detectCSV Delimiter Detect: scores common delimiters from bounded CSV text using only bounded caller-supplied values. Call when you need a bounded csv delimiter detect result before an agent hands structured data or a batch plan to a downstream tool with a stricter contract. Returns the bounded transformation or validation finding with counts, normalized values, and a versioned result contract for CSV Delimiter Detect as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. Fir…$0.001 Base476 ms1 payers100% up
  97. 95api.delx.ai/api/v1/x402/multi-outcome-normalizeNormalize multi-outcome prices into a probability simplex. Call when turning raw multi-outcome quotes into probs that sum to 1. Returns normalized probs and sum as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base381 ms1 payers100% up
  98. 95api.delx.ai/api/v1/x402/reliability-curveReliability diagram points (mean forecast vs hit rate per bin). Call when plotting calibration without a notebook stack. Returns bins with mean_forecast and hit_rate as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base477 ms1 payers100% up
  99. 95api.delx.ai/api/v1/x402/ordinalFormat an integer as an English ordinal (1st, 2nd, 3rd…). Call when you need human-facing ranks or step labels for agent UIs. Returns ordinal string and n for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.$0.001 Base369 ms1 payers100% up
  100. 95api.delx.ai/api/v1/x402/logitLogit transform log(p/(1−p)) for probability-space models. Call when featureizing probabilities for linear models offline. Returns logit value as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base461 ms1 payers100% up