x402watch

51,986 paid endpoints are listed. 26,536 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 2026-10-08 06:24 UTC · 51,986 probed

26,536 answering 40220,632 down3,933 rejecting885 no paywall1,877 price drift
  1. 79compute-api-production-245d.up.railway.app/validate-jsonValidate JSON against a JSON Schema$0.001 $0.02 Base98 ms–100% up
  2. 79compute-api-production-245d.up.railway.app/timezoneTimezone conversion$0.001 $0.02 Base75 ms–100% up
  3. 79free-asset-radar-x402.besenok2018.workers.dev/api/x402/dns-lookupDNS Lookup$0.005 Base6835 ms–100% up
  4. 79free-asset-radar-x402.besenok2018.workers.dev/api/x402/erc721-ownerERC-721 Owner and Token URI$0.003 Base6940 ms–100% up
  5. 79free-asset-radar-x402.besenok2018.workers.dev/api/x402/contract-profileEVM Contract Proxy & Owner Check$0.003 Base6728 ms–100% up
  6. 79free-asset-radar-x402.besenok2018.workers.dev/api/x402/erc20-transfersERC-20 Wallet Transfer History$0.002 Base6267 ms–100% up
  7. 79free-asset-radar-x402.besenok2018.workers.dev/api/x402/npm-package-healthnpm Package Health$0.005 Base6165 ms–100% up
  8. 79agdata.shveik.dev/mpp/google-maps-reviewsGoogle Maps reviews of a place$0.0111 $0.015 solana165 ms–100% up
  9. 79free-asset-radar-x402.besenok2018.workers.dev/api/x402/evm-gas-priceMulti-chain EVM Gas Fee Estimate$0.001 Base6230 ms–100% up
  10. 79api.marketintelligenceapi.com/api/v1/credits/buy/%7Busd%7DBuy or top up prepaid credits$4.44 $5.00 Base172 ms–100% up
  11. 79free-asset-radar-x402.besenok2018.workers.dev/api/x402/hmacHMAC Sign$0.0005 Base6914 ms–100% up
  12. 79free-asset-radar-x402.besenok2018.workers.dev/api/x402/evm-token-balance-allowanceERC-20 Balance and Allowance$0.003 Base6949 ms–100% up
  13. 79solana-token-check.vercel.app/v1/pumpfun/%7Bmint%7DPump.fun bonding curve status - bonding or graduated, progress %, SOL left to graduate, reserves, curve price, market cap, creator$0.0015 $0.002 Base285 ms–100% up
  14. 79x402-toolbox.shablony-pro.workers.dev/network/dns-a-recordsDNS A records$0.001 $0.002 Base216 ms–100% up
  15. 79whaletape.xyz/whalesWhich side the profitable leaderboard traders are on, per market: aggregated long vs short notional. The crowd-versus-whales read in one number$0.01 $0.05 solana172 ms–100% up
  16. 79whaletape.xyz/history/%7Bsymbol%7DBacktesting raw material for one market: price, funding and open-interest snapshots we recorded over time, as a series the exchange does not serve retroactively$0.01 $0.05 Base166 ms–100% up
  17. 79khotem.com/api/seal/freeTRIAL SEAL: real seal stamp for content <=1KB or a hash — the cheapest full loop entry.$10000000000.00 $0.01 Base196 ms–100% up
  18. 78apiacre.com/v1/crypto/base-network-statusRead the latest Base mainnet block and a bounded EIP-1559 fee history in one RPC batch, including gas utilization and priority-fee percentile samples.$0.001 Base2824 ms11 payers80% up
  19. 78netintel.dev/web/extractExtract text from a web page or PDF as clean Markdown — HTML to Markdown for any URL: strips scripts, nav, ads, and boilerplate while preserving headings, links, lists, tables, code blocks, and blockquotes; extracts the text layer from PDFs. Returns Markdown body, title, word count, and a quality grade. Web scraper / reader for article and main content. For JS-rendered or bot-walled pages a plain fetch can't read, use /exa/contents.$0.003 Base1347 ms9 payers80% up
  20. 78insider-radar-agent.insider-radar-agent.workers.dev/v1/leaderboardRanked bot leaderboard with eff_n and the luck-ceiling honesty note$0.01 Solana2538 ms8 payers80% up
  21. 78concordancehq.duckdns.org/tools/searchFull-text search across every aggregated data source in one call: news, SEC filings, court opinions, academic papers, government records, and developer discussions. One query surfaces everything concordant across independently-sourced, citable results -- not a single-source wrapper. Optional source/category/since filters.$0.01 Base2094 ms6 payers80% up
  22. 78x402.ochinimus.app/api/btc-priceBTC price / Bitcoin spot price in USD, live. Use when you need to answer: What is BTC worth? Multi-source with a fixed fallback order — Coinbase, then Kraken, then Pyth Hermes — first finite quote wins. Returns the price, the venue that served it, and a Pyth confidence interval when Pyth did.$0.001 Solana1568 ms6 payers80% up
  23. 78http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/domain/mail-preflightMX/SPF/DMARC preflight; not mailbox verification. Base mainnet USDC$0.002 Base200 ms3 payers63% up
  24. 78agdata.shveik.dev/x402/google-searchGoogle Search results (SERP) for a query, as JSON. Each record is one results page with organicResults (position, title, url, displayedUrl, description), paidResults, relatedQueries, peopleAlsoAsk and searchQuery metadata. Body: {query, limit}. limit (1-20) is rounded up to whole pages of about 10 results, so 1-10 returns one page and 11-20 returns two. Useful for rank checks, source discovery and grounding answers in search results.$0.027 $0.0301 Base457 ms3 payers96% up
  25. 78agents.daedalusdevelopmentgroup.com/v1/translateDDG agent-payable service request$0.003 $0.01 Base389 ms3 payers97% up
  26. 78agents.daedalusdevelopmentgroup.com/v1/pdf-extractDDG agent-payable service request$0.005 $0.01 Base348 ms3 payers97% up
  27. 78agents.daedalusdevelopmentgroup.com/v1/ocrDDG agent-payable service request$0.005 $0.01 Base386 ms3 payers97% up
  28. 78agents.dexl.io/v1/audio/transcriptionsTurn speech into text: send base64 audio, get a plain transcript back. Handles WAV, MP3, FLAC and OGG up to about eight minutes per call. Priced per call with x402.$0.0025 $0.001 Base400 ms2 payers97% up
  29. 78kino402.com/v1/audio/ttsElevenLabs TTS: 29 characters, voice 21m00Tcm4TlvDq8ikWAM$0.007 Base1340 ms2 payers80% up
  30. 78api.mekler.ai/v1/web/pages/extract-rendered-contentRender one public page in headless Chromium after robots and public-address checks, wait for scripts to settle, then return bounded visible text, title, final URL and source links. Standard x402: POST the URL, sign the 402 and resend the same body. The 402 also returns an encrypted payment_request that pays for exactly the quoted render. Failed renders are never charged. No login, interaction, screenshots or full-site crawl.$0.01 Solana7190 ms2 payers88% up
  31. 78x402.agentutility.ai/exchange-ratesExchange rates. Latest or historical FX rates between currencies, sourced from the European Central Bank (Frankfurter API). 30+ currency pairs. Optional amount conversion. No commercial restrictions. Specify a base currency (default USD), an optional quote currency or list, an optional date (YYYY-MM-DD or 'latest'), and an optional amount to also receive a converted value when a single quote is supplied.$0.002 Base66 ms2 payers63% up
  32. 78api.magentlab.com/api/calc/naloxone_dripContinuous intravenous naloxone infusion as two-thirds of the caller-assigned reversal bolus each hour (Goldfrank 1986). infusion_mg_h = (2/3) * reversal_bolus_mg maintains plasma naloxone at or above the 30-minute post-bolus level. magent does not choose the bolus or start naloxone. Not a prescription or medical device.$0.005 $0.007 Base391 ms2 payers97% up
  33. 78api.magentlab.com/api/calc/tpeKaplan 1990 estimated plasma volume for therapeutic plasma exchange: epv_l = 0.065 * weight_kg * (1 - hematocrit_percent/100). Returns one plasma volume in liters and milliliters. Hematocrit is a percent (10-70), not a 0-1 fraction. Deterministic published arithmetic with citation. Not an apheresis order, Nadler blood volume, Ganzoni iron deficit, or a 1.5-PV / removal-percent table.$0.005 $0.007 Base351 ms2 payers97% up
  34. 78api.magentlab.com/api/calc/sokalSokal 1984 relative-risk index for newly diagnosed untreated chronic granulocytic leukemia (CML). sokal_index = exp(0.0116*(age-43.4)+0.0345*(spleen_cm-7.51)+0.188*((platelets_10e9_l/700)^2-0.563)+0.0887*(blasts_percent-2.10)). Low <0.8, intermediate 0.8–1.2, high >1.2. Coefficient 0.188. Does not diagnose CML or choose TKI therapy.$0.005 $0.007 Base521 ms2 payers97% up
  35. 78api.magentlab.com/api/calc/smm_22020Lakshman 2018 2/20/20 smoldering myeloma risk: one point each for BMPC >20%, serum M-protein >2 g/dL, and involved/uninvolved FLC ratio >20 (strict greater-than). 0 factors low (median TTP 110 months), 1 intermediate (68), 2 or 3 high (29). Not Mayo 70/20, not PETHEMA, not myeloma ISS, not a treatment order. BMPC 10-59 and FLC 0.01-99.9 (IMWG 2014 SLiM myeloma is rejected). magent does not assay marrow, M-protein, or free light chains.$0.005 $0.007 Base621 ms2 payers97% up
  36. 78api.magentlab.com/api/calc/sicIba 2017 SIC (Table 3; max 6). platelets_10e9_l >=150=0, <150 and >=100=1, <100=2. inr <=1.2=0, >1.2 and <=1.4=1, >1.4=2. sofa_four_items is the caller-assigned respiratory+cardiovascular+hepatic+renal SOFA sum (0-16; not coagulation, not CNS): 0=0, 1=1, >=2=2 (cap 2). sic true iff score >=4 and platelet_pts+inr_pts >=3. Not a sepsis or DIC diagnosis. Not ISTH overt DIC. Not JAAM-DIC. magent does not start anticoagulants.$0.005 $0.007 Base673 ms2 payers97% up
  37. 78api.magentlab.com/api/calc/rosierNor 2005 ROSIER: seven caller-assigned flags. Loss of consciousness or syncope −1, seizure −1; new acute-onset (or on awakening) asymmetric face, arm, or leg weakness, speech disturbance, and visual field defect +1 each. Range −2 to +5. stroke_more_likely if score > 0. Score ≤ 0 does not exclude stroke. Not a diagnosis, not NIHSS, and not a medical device. magent does not examine the patient or collect a time of onset.$0.005 $0.007 Base967 ms2 payers97% up
  38. 78api.magentlab.com/api/calc/reid_rciReid 1985 four-sign colposcopic index: four caller-assigned 0-2 items (margin, color, vessels, iodine; max 8). band 0-2 low_grade (HPV or CIN I), 3-5 intermediate (CIN I or CIN II), or 6-8 high_grade (CIN II or CIN III). magent does not look through a colposcope and does not recompute iodine from the first three signs. Not a CIN diagnosis or biopsy order.$0.005 $0.007 Base484 ms2 payers97% up
  39. 78api.magentlab.com/api/calc/rcvs2Rocha 2019 RCVS2 score from five caller-assigned items: recurrent or single thunderclap headache (+5), intracranial ICA involvement (-2), vasoconstrictive trigger (+3), female sex (+1), subarachnoid hemorrhage (+1). Range -2 to 10. Score >=5 supports RCVS; <=2 against; 3-4 equivocal. magent does not read angiograms. Not a diagnosis and not PACNS treatment advice. Not a medical device.$0.005 $0.007 Base992 ms2 payers97% up
  40. 78api.magentlab.com/api/calc/rassRichmond Agitation-Sedation Scale (RASS, Sessler 2002) as assigned by the caller: integer -5 to +4 with the published term and description (Combative through Unarousable). magent does not observe the patient, administer voice or physical stimulation, or titrate sedation. Not a CAM-ICU feature, not a CAM-ICU administration, and not a sedation order or dose.$0.005 $0.007 Base568 ms2 payers97% up
  41. 78api.magentlab.com/api/calc/raiRai 1975 original CLL staging (stages 0-IV). Returns rai_stage 0-4 from caller-assigned lymphadenopathy, hepatosplenomegaly (spleen or liver or both), anemia (Hb <11 g/dL), and thrombocytopenia (platelets <100,000/mm3). Highest applicable: thrombocytopenia 4, else anemia 3, else organomegaly 2, else nodes 1, else 0 (lymphocytosis only). Not a CLL diagnosis; magent does not examine the patient or read a CBC. Not modified Rai. Not Binet (Binet C is Hb <10).$0.005 $0.007 Base462 ms2 payers97% up
  42. 78api.magentlab.com/api/calc/pss_3Boudreaux 2015 PSS-3 from four caller-assigned flags: depressed_mood (2-week segue, not in the screen), ideation_2_weeks, lifetime_attempt, and attempt_within_6_months. screen_positive if 2-week ideation or a lifetime attempt within 6 months (ED-SAFE / Boudreaux 2016 Am J Prev Med). Depression is not factored into screening results. magent does not interview the patient. Not a diagnosis. Not C-SSRS. Not a medical device.$0.005 $0.007 Base969 ms2 payers97% up
  43. 78api.magentlab.com/api/calc/prevailArmstrong 2018 PREVAIL Cox linear predictor for overall survival in chemotherapy-naïve metastatic castration-resistant prostate cancer from albumin, ALP versus ULN, bone metastases under 10, hemoglobin, LDH versus ULN, NLR under 2.5, pain 0-1, liver metastases, ln(PSA), months from diagnosis, and enzalutamide versus placebo. Table 1 HRs as ln(HR). Not a 1-/2-/3-year OS percent (no published S0). magent does not read bone scans. Not a dose or treatment order.$0.005 $0.007 Base951 ms2 payers97% up
  44. 78api.magentlab.com/api/calc/ponsWischmeyer 2018 PONS: four caller-assigned yes/no flags (BMI <18.5 kg/m² if age ≤65 or <20 if age >65; weight loss >10% in 6 months; oral intake reduced >50% in the past week; preoperative albumin <3.0 g/dL), 1 point each, max 4. high_risk true iff score ≥1. Not a medical device, diet order, or malnutrition diagnosis. magent does not weigh the patient, compute BMI, or assay albumin. Not NRS-2002, NUTRIC, or MUST.$0.005 $0.007 Base766 ms2 payers97% up
  45. 78api.magentlab.com/api/calc/plasma_dosageStarting plasma volume without major bleeding: volume_ml = 15 * weight_kg (BSH Green 2018). Adult 15 mL/kg only. Not a transfusion order, major-haemorrhage protocol, or product order. magent does not choose a product or ABO group. Deterministic published arithmetic with citation.$0.005 $0.007 Base577 ms2 payers97% up
  46. 78api.magentlab.com/api/calc/planPLAN score (O'Donnell 2012 Arch Intern Med Table 4): preadmission dependence 1.5, cancer 1.5, CHF 1, atrial fibrillation 1, reduced LOC 5, age 1 point per decade (max 10), significant/total arm weakness 2, leg weakness 2, aphasia or neglect 1. Max 25. Bands <10, 10-15, >15. Not a tPA decision and not iScore. magent does not examine the patient.$0.005 $0.007 Base868 ms2 payers97% up
  47. 78api.magentlab.com/api/calc/pc_ptsd_5Prins 2016 PC-PTSD-5: caller-assigned lifetime trauma-exposure gate plus five past-month yes/no items (nightmare/intrusion, avoidance, hypervigilance/startle, numbing/detachment, guilt/blame). Score 0 if trauma_exposure is false (items required but not counted). If true, each yes is 1 (max 5). Sensitive screen at ≥3. Not a PTSD diagnosis or medical device. magent does not interview.$0.005 $0.007 Base973 ms2 payers97% up
  48. 78api.magentlab.com/api/calc/pbsc_collectionRosenbaum 2012 predicted daily CD34+ leukapheresis yield: (peripheral_cd34_per_ul * 0.30 / weight_kg) * processed_volume_l, as ×10^6 cells/kg. Uses that paper's adjusted collection efficiency of 30% only. Weight via weight_kg or weight_lb. Deterministic published arithmetic with citation. Not an apheresis order; magent does not run the collection, choose a machine, or set a collection goal.$0.005 $0.007 Base582 ms2 payers97% up
  49. 78api.magentlab.com/api/calc/pas_raWolfe 2005 Patient Activity Scale (PAS): (haq * 3.33 + pain_vas + patient_global_vas) / 3. HAQ 0-3 (not HAQ-II); pain and patient global 0-10 VAS. magent does not administer the HAQ. Not PAS-II, Samuel 2002 pediatric appendicitis PAS, DAS28, or CDAI. Not a diagnosis. PAS total only; no remission or severity cutoffs.$0.005 $0.007 Base753 ms2 payers97% up
  50. 78api.magentlab.com/api/calc/ostaKoh 2001 Osteoporosis Self-Assessment Tool for Asians (OSTA). Index = trunc(0.2 × (weight_kg − age)) toward zero. Risk low if index > −1, intermediate if −1 through −4, high if index < −4. Age 18–120; weight_kg or weight_lb. Not a medical device, not FRAX, not a DXA order. Derivation was postmenopausal Asian women.$0.005 $0.007 Base970 ms2 payers97% up
  51. 78api.magentlab.com/api/calc/npsGaler 1997 Neuropathic Pain Scale from ten caller-assigned 0-10 items (intensity, sharpness, heat, dullness, cold, sensitive, itchy, unpleasantness, deep_pain, surface_pain; Table 1 Intense, Sharp, Hot, Dull, Cold, Sensitive, Itchy, Unpleasant, Deep, Surface). magent sums those items only (max 100) and does not interview the patient. Galer 1997 printed no diagnostic cutoff for that sum. Not a neuropathy diagnosis or treatment order.$0.005 $0.007 Base410 ms2 payers97% up
  52. 78api.magentlab.com/api/calc/nci_ctc_stomatitisNCI CTC v2.0 stomatitis/pharyngitis (Trotti 2000). none → 0; painless_or_mild_soreness → 1; painful_can_eat → 2; painful_cannot_eat → 3; parenteral_or_prophylactic_intubation → 4. magent does not examine the mucosa. Not radiation mucositis (nci-ctc-mucositis), CTCAE catalog, or WHO. Not a diagnosis or medical device.$0.005 $0.007 Base947 ms2 payers97% up
  53. 78api.magentlab.com/api/calc/modified_fisherFrontera 2006 modified Fisher CT grades 0-4 for subarachnoid hemorrhage as assigned from CT by the caller. Returns the published grade and description (0 no SAH or IVH; 1 focal or diffuse thin SAH, no IVH; 2 thin SAH with IVH; 3 thick SAH, no IVH; 4 thick SAH with IVH). Not Fisher 1980 original groups 1-4. Not a diagnosis; magent does not read the CT or invent a millimetre cutoff or vasospasm percentage.$0.005 $0.007 Base807 ms2 payers97% up
  54. 78api.magentlab.com/api/calc/mentzerMentzer index as MCV in fL divided by RBC count in millions per µL (Mentzer 1973 Lancet letter). Quotient <13 favors β-thalassaemia trait; >13 favors iron deficiency; 13 is indeterminate. Deterministic published arithmetic with citation. Not a diagnosis of thalassemia or iron deficiency; magent does not apply later cutoffs that are not in that letter.$0.005 $0.007 Base559 ms2 payers97% up
  55. 78api.magentlab.com/api/calc/mapsPardanani 2018 MAPS hybrid clinical-molecular (Figure 3): advanced SM 2 (ASM, SM-AHN, or MCL; ISM/SSM 0), age >60 1, platelets <150×10^9/L 1, ALP above UNL 1, ASXL1/RUNX1/NRAS 1; max 6. Low ≤2, intermediate-1 3, intermediate-2 4, high ≥5. Not WHO SM, not ICC SM, not clinical-only Figure 1. magent does not sequence, assay ALP, or count platelets.$0.005 $0.007 Base992 ms2 payers97% up
  56. 78api.magentlab.com/api/calc/iwg2_adDubois 2014 IWG-2 typical AD research criteria. typical_ad iff early hippocampal-type episodic memory, no better explanation, and in-vivo AD pathology (CSF Abeta1-42 plus T-tau or P-tau, amyloid PET, or a PSEN1/PSEN2/APP mutation). Typical AD only; not atypical phenotypes. Not NINCDS-ADRDA, not NIA-AA ATN, not DSM. magent does not examine the patient, assay CSF, or read PET. Not a diagnosis or medical device.$0.005 $0.007 Base656 ms2 payers97% up
  57. 78api.magentlab.com/api/calc/ivt_contraindicationsPowers 2018 Table 6 Class III Harm IVT. contraindicated iff any of 15 caller flags: CT ICH; recent ischemic stroke, severe head trauma, or intracranial/spinal surgery; posttraumatic infarction; history of ICH; SAH presentation; GI malignancy or bleed 21d; coagulopathy; LMWH 24h; DOAC not cleared; GP IIb/IIIa; infective endocarditis; aortic arch dissection; intra-axial neoplasm. Not Class I eligibility, time window, or a dose. magent does not read CT or assay labs. Not a treatment order.$0.005 $0.007 Base918 ms2 payers97% up
  58. 78api.magentlab.com/api/calc/impede_vteSanfilippo 2019 IMPEDE VTE for multiple myeloma: IMiD 4, BMI>=25 1, pelvic/hip/femur fracture 4, ESA 1, doxorubicin 3, dexamethasone none/low/high 0/2/4 (high if monthly >160 mg), Asian/Pacific Islander -3 (caller-assigned), VTE history 5, tunneled line 2, thromboprophylaxis none/prophylactic/therapeutic 0/-3/-4. Unclamped. <=3 low 3.3%, 4-7 intermediate 8.3%, >=8 high 15.2%. Not a prophylaxis order. Not SAVED or Khorana.$0.005 $0.007 Base963 ms2 payers97% up
  59. 78api.magentlab.com/api/calc/imdcHeng 2009 IMDC: KPS <80, diagnosis-to-treatment <1 year, hemoglobin <LLN, corrected calcium >ULN, neutrophils >ULN, platelets >ULN; 1 point each, max 6. Favorable 0, intermediate 1–2, poor ≥3. Deterministic published score with citation; not an RCC diagnosis or treatment recommendation. magent does not assign KPS or compare Hb, Ca, ANC, or platelets to institutional LLN/ULN.$0.005 $0.007 Base479 ms2 payers97% up
  60. 78api.magentlab.com/api/calc/four_ts4Ts score (Lo 2006) for heparin-induced thrombocytopenia pretest probability. Four caller-assigned integers 0-2 (thrombocytopenia, timing, thrombosis, other causes) using the published table; magent sums only (max 8). Bands 0-3 low, 4-5 intermediate, and 6-8 high pretest probability. Not a diagnosis of HIT, not the HEP score, and not an antibody result. magent does not grade platelet counts or day of onset.$0.005 $0.007 Base634 ms2 payers97% up
  61. 78api.magentlab.com/api/calc/fomepizoleAdult IV fomepizole milligrams from weight (AACT 1999). Loading 15 mg/kg. Maintenance 10 mg/kg every 12 hours for four doses, then 15 mg/kg every 12 hours after 48 hours (auto-induction). Same milligrams during hemodialysis at a 4-hour interval. Not a prescription, indication, or brand order. magent does not assay ethylene glycol or methanol.$0.005 $0.007 Base633 ms2 payers97% up
  62. 78api.magentlab.com/api/calc/fluid_ioNet fluid balance in mL: caller-assigned total intake minus total output over the same interval. Optional oral plus IV intake and urine, ultrafiltration, drain, and GI output must sum to those totals when sent (Acheampong and Vincent 2015). Does not estimate insensible losses. Not a resuscitation or diuretic order; magent does not measure I/O. Deterministic published arithmetic with citation.$0.005 $0.007 Base910 ms2 payers97% up
  63. 78api.magentlab.com/api/calc/flamm_vbacFlamm 1997 admission VBAC score, max 10. Points: age under 40 (+2); vaginal birth none 0, before first cesarean 1, after first cesarean 2, before and after 4; first cesarean not for failure to progress (+1); admission effacement gt_75 +2, from_25_to_75 +1, lt_25 0; dilation >=4 cm (+1). Published success 49% for scores 0-2 and 95% for 8-10; other scores return the total only. Not a trial-of-labor order. magent does not examine the cervix.$0.005 $0.007 Base313 ms2 payers97% up
  64. 78api.magentlab.com/api/calc/fisherFisher 1980 original CT groups 1-4 for subarachnoid hemorrhage as assigned from CT by the caller. Returns the published group and description. Group 3 (thick SAH) was the high-vasospasm group; group 4 is ICH/IVH without thick SAH, not a worse grade than 3. Not modified Fisher 2006. Not a diagnosis; magent does not read the CT.$0.005 $0.007 Base509 ms2 payers97% up
  65. 78api.magentlab.com/api/calc/eat_sleep_consoleGrossman 2018 Eat, Sleep, Console functional assessment. well_managed iff eat ≥1 oz per feed or breastfeed well, sleep undisturbed ≥1 hour, and console within 10 minutes if crying. needs_increased_treatment iff not well_managed (boolean only; not a morphine dose). Not modified Finnegan. Not the later ESC Care Tool item list. magent does not examine the infant. Not a diagnosis or medical device.$0.005 $0.007 Base306 ms2 payers97% up
  66. 78api.magentlab.com/api/calc/delta_pTitulaer 2011 DELTA-P for SCLC association in Lambert-Eaton myasthenic syndrome. One point each, at or within 3 months of LEMS onset: bulbar weakness (dysarthria/dysphagia/chewing/neck weakness); erectile dysfunction if male (always 0 if female); weight loss ≥5%; smoking at onset; age ≥50; Karnofsky <70. Max 6. Bands low 0-1, intermediate 2, high 3-6. Published SCLC percents for scores 0, 1, 3-6; none for score 2. Not a LEMS diagnosis, not SOX1, and not an SCLC screen.$0.005 $0.007 Base851 ms2 payers97% up
  67. 78api.magentlab.com/api/calc/cppCerebral perfusion pressure from caller-supplied MAP and ICP in mm Hg: CPP = MAP − ICP, rounded to 1 decimal. Returns cpp_ge_70 when CPP is at least 70 mm Hg (Rosner 1995 protocol minimum). magent does not measure MAP or ICP and is not an invasive monitor. Not a medical device and not a treatment protocol.$0.005 $0.007 Base997 ms2 payers97% up
  68. 78api.magentlab.com/api/calc/chosenLevine 2020 CHOSEN (COVID Home Safely Now): age 18-45 +5, 46-59 +2, 60-73 +1, >73 +0; SpO2 <94 +0, 94-96 +9, 97-98 +14, >98 +21; albumin g/dL <2.8 +0, 2.8-3.3 +5, 3.4-3.7 +15, >3.7 +29. Score 0-55. Cutpoint 30 (derivation sensitivity 83%, specificity 82%). Higher score favored event-free status in the paper. Not a discharge order.$0.005 $0.007 Base844 ms2 payers97% up
  69. 78api.magentlab.com/api/calc/cgramLiang 2020 COVID-GRAM logistic probability of critical illness (ICU, invasive ventilation, or death) among hospitalized COVID-19 from age, caller-assigned chest radiograph abnormality, hemoptysis, dyspnea, unconsciousness, comorbidity count, cancer history, neutrophil-to-lymphocyte ratio, LDH (U/L), and direct bilirubin (umol/L). Table 3 coefficients. magent does not read the film or count comorbidities. Not a diagnosis or ICU-allocation order.$0.005 $0.007 Base879 ms2 payers97% up
  70. 78api.magentlab.com/api/calc/cdc_immACIP 2025 Table 2 catch-up minimum age and previous-dose interval. Eligible if age_months meets the printed minimum and weeks_since_previous_dose meets a printed interval (omit for dose 1). HepB dose 2 is 4 weeks. MMR/HepA/varicella dose 1 is 12 months. Not a vaccine order. magent does not immunize. Not routine age bars, Hib/PCV branching, HepB dose 3, or the 4-day grace period.$0.005 $0.007 Base516 ms2 payers97% up
  71. 78api.magentlab.com/api/calc/brugadaBrugada 1991 four-step algorithm for a regular tachycardia with a wide QRS complex. Caller assigns absence of an RS complex in all precordial leads, RS interval >100 ms in one precordial lead, AV dissociation, and VT morphology in V1–V2 and V6. Returns diagnosis vt or svt and the stopping step. magent does not interpret ECGs. Not Brugada syndrome, not Vereckei aVR, not RWPT, not Sgarbossa, and not a cardioversion order. Not a medical device.$0.005 $0.007 Base797 ms2 payers97% up
  72. 78api.magentlab.com/api/calc/briBody roundness index from height and waist (Thomas 2013). Models the body as an ellipse: e = sqrt(1 - (waist/(pi*height))^2), BRI = 364.2 - 365.5*e. Deterministic published formula with citation. Not a medical device, VAT measurement, or body-fat diagnosis; magent does not measure the patient.$0.005 $0.007 Base643 ms2 payers97% up
  73. 78api.magentlab.com/api/calc/bppManning 1980 fetal biophysical profile. Five caller-assigned variables, each 2 if normal or 0 if abnormal: fetal breathing movements, fetal movements, fetal tone, qualitative amniotic fluid volume, and nonstress test. Score 0-10. 1980 breathing is a 60-second episode in 30 minutes; 1980 fluid is a 1 cm pocket. magent does not ultrasound. Not a delivery order. Does not apply later 30-second breathing, 2 cm pocket, or 8-10/6/<=4 management bands.$0.005 $0.007 Base402 ms2 payers97% up
  74. 78api.magentlab.com/api/calc/bodeCelli 2004 BODE index from BMI (≤21 → 1), FEV1 % predicted (0–3), MMRC dyspnea (0–3), and 6-minute walk in meters (0–3). Returns a 0–10 total and quartile 1–4 (0–2 / 3–4 / 5–6 / 7–10). Deterministic published points with citation. Not a GOLD stage and not a transplant listing.$0.005 $0.007 Base880 ms2 payers97% up
  75. 78api.magentlab.com/api/calc/bmvFarris 2017 brain metastasis velocity: bmv = new_brain_metastases / years_since_first_srs, 1 decimal. new_brain_metastases integer 0-200; years_since_first_srs 0.01-30. Low if BMV <4 (median OS 12.4 months after initial distant brain failure), intermediate 4-13 (8.2), high >13 (4.3). Does not floor BMV (NRG-BN009). Not time since last SRS. magent does not count metastases on imaging. Not a diagnosis. Not a medical device.$0.005 $0.007 Base879 ms2 payers97% up
  76. 78api.magentlab.com/api/calc/bishopBishop 1964 pelvic score: sum of five caller-assigned integers (dilation 0-3, effacement 0-3, station 0-3, consistency 0-2, position 0-2; max 13). Paper bins: dilation 0 / 1-2 / 3-4 / 5-6 cm; effacement 0-30 / 40-50 / 60-70 / 80%; station -3 / -2 / -1 or 0 / +1 or +2; consistency firm/medium/soft; position posterior/mid/anterior. magent does not examine the cervix and does not add later favorable/unfavorable cutoffs, modified Bishop, or cervical length.$0.005 $0.007 Base670 ms2 payers97% up
  77. 78api.magentlab.com/api/calc/bedFowler 1989 BED without a time or repopulation term: BED = n * d * (1 + d / (alpha/beta)). n equal fractions (1-50), d Gy per fraction (0.5-30), caller-assigned tissue alpha/beta (1-20 Gy). Rounds to 1 decimal. Rejects non-positive n*d or alpha/beta. No T_k/T_pot, no EQD2. Not a radiotherapy prescription. magent does not plan radiotherapy. Not a medical device.$0.005 $0.007 Base655 ms2 payers97% up
  78. 78api.magentlab.com/api/calc/bawsRastegar 2017 Brief Alcohol Withdrawal Scale (BAWS): five caller-assigned integers 0-3 (tremor, diaphoresis, agitation, orientation, hallucinations), summed 0-15. BAWS >=3 predicted CIWA-Ar >=8 in that paper (sensitivity 85.3%, specificity 65.8%). magent does not examine the patient or order benzodiazepines. Not later ICU dose bands. Not a medical device.$0.005 $0.007 Base956 ms2 payers97% up
  79. 78api.magentlab.com/api/calc/bastionBastion classification of lower-limb IED injury (Jacobs 2014). Caller assigns class 1-5 as the most proximal extent. Returns the class description, associated-injury flags (segmental, intraperitoneal abdomen, genital/perineal, pelvic ring, upper limb), and tourniquet_effective (true for class 1-3, false for class 4-5). Not MESS, not ISS AIS, not a treatment protocol. Paper was not designed for mortality or transfusion rates. magent does not examine the casualty.$0.005 $0.007 Base930 ms2 payers97% up
  80. 78api.magentlab.com/api/calc/barsSwift 2002 Behavioural Activity Rating Scale (BARS): caller-assigned integer 1-7 (difficult or unable to rouse; asleep but responds normally to verbal or physical contact; drowsy, appears sedated; quiet and awake, normal activity; signs of overt physical or verbal activity, calms with instructions; extremely or continuously active, not requiring restraint; violent, requires restraint). Returns score, max 7, and a stable label. Not RASS and not a diagnosis. magent does not observe the patient.$0.005 $0.007 Base917 ms2 payers97% up
  81. 78api.magentlab.com/api/calc/bacterial_meningitisNigrovic 2002 Bacterial Meningitis Score: CSF Gram stain (2), CSF ANC ≥1000 cells/µL (1), CSF protein ≥80 mg/dL (1), peripheral ANC ≥10 000 cells/µL (1), seizure (1). Max 6. very_low_risk if 0, not_low_risk if ≥1. Children with CSF pleocytosis as in Nigrovic 2002; not a neonatal score. Not a meningitis diagnosis or an antibiotic/LP order. magent does not stain CSF, count neutrophils, assay protein, or witness a seizure.$0.005 $0.007 Base957 ms2 payers97% up
  82. 78api.magentlab.com/api/calc/ancAbsolute neutrophil count from WBC and neutrophil plus band percents. Bodey 1966 granulocyte bands. Deterministic published arithmetic with citation; not a diagnosis.$0.005 $0.007 Base841 ms2 payers97% up
  83. 78api.magentlab.com/api/calc/amt_10AMT-10 (Hodkinson 1972): ten caller-assigned correct/incorrect flags. Each correct item scores 1; max 10. Score is the 0–10 sum only. Hodkinson 1972 did not publish a diagnostic cutoff. Flags only; magent does not interview the patient or collect age, date of birth, place, year, address, or monarch name. Not a dementia diagnosis, not a medical device, and not Swain 1997 AMT-4.$0.005 $0.007 Base468 ms2 payers97% up
  84. 78api.magentlab.com/api/calc/4at4AT (Bellelli 2014): alertness (normal 0, abnormal 4) + AMT4 mistake count 0/1/2 + attention 0/1/2 + acute change or fluctuation (false 0, true 4). Max 12. Band 0 unlikely, 1–3 possible cognitive impairment, ≥4 possible delirium. Not a delirium or dementia diagnosis. magent does not examine the patient. AMT4 is the caller-assigned mistake count only; this API does not collect age, date of birth, place, or year.$0.005 $0.007 Base963 ms2 payers97% up
  85. 78sol.mapleai.shop/prepaid/codes/autoOne-shot prepaid tap: empty body buys a 100000-token openai/gpt-6-luna key$0.008 $0.009 Solana613 ms2 payers96% up
  86. 78sol.mapleai.shop/jevJev structured decisions via SystemOne, priced by input tokens$0.001 $0.002 Solana645 ms2 payers97% up
  87. 78urltrust.openverbs.com/v1/techstackDetect the technology stack a website runs on. Given a domain, returns the software and services it uses (CDN, analytics, frameworks, CMS, payment, hosting, security) grouped by category, plus a domain rank, last-seen date, country and public social links. Unknown domain returns found=false.$0.05 Base3117 ms2 payers93% up
  88. 78market.datapackvibe.com/x402/studio3d-process-scale-modelBlender: Scale Model: Scale geometry by a bounded factor. Accepts mesh JSON, small GLB or OBJ; without input uses an explicitly labelled demo mesh. Runs locally in Blender. Bounded small-model processing, normally under 60 seconds; a busy worker returns an error before payment settlement.$0.02 Basedown2 payers63% up
  89. 78market.datapackvibe.com/x402/studio3d-generate-vaseGenerate Vase: Generate a procedural vase model as GLB and editable BLEND files. Parametric geometry, not AI text/image reconstruction. Runs locally in Blender. Bounded small-model processing, normally under 60 seconds; a busy worker returns an error before payment settlement.$0.02 Base296 ms2 payers63% up
  90. 78market.datapackvibe.com/x402/excerpt-recruitingRecruiting Text excerpt maker: Create a short excerpt within a requested character limit. Tailored for recruiting workflows.$0.01 Basedown2 payers64% up
  91. 78market.datapackvibe.com/x402/demand-next-package-pypi-pydantic-release-summaryPydantic Latest release summary: Live PyPI latest release summary for Pydantic. Package name can be overridden.$0.01 Base183 ms2 payers63% up
  92. 78market.datapackvibe.com/x402/demand-next-package-npm-vite-project-healthVite Package metadata and health: Live npm Registry package metadata and health for Vite. Package name can be overridden.$0.01 Basedown2 payers63% up
  93. 78market.datapackvibe.com/x402/demand-market-near-statsNEAR Protocol 24-hour statistics: Return the latest 24-hour open, high, low, and volume. Coinbase Exchange public USD market data; not investment advice.$0.01 Base204 ms2 payers63% up
  94. 78market.datapackvibe.com/x402/demand-market-litecoin-orderbook-topLitecoin Top of order book: Return the best bid and ask levels from the public order book. Coinbase Exchange public USD market data; not investment advice.$0.01 Base164 ms2 payers63% up
  95. 78market.datapackvibe.com/x402/demand-market-chainlink-hourly-candlesChainlink Hourly candles: Return recent hourly OHLCV candles. Coinbase Exchange public USD market data; not investment advice.$0.01 Basedown2 payers63% up
  96. 78market.datapackvibe.com/x402/demand-company-visa-assetsVisa NVIDIA Total assets history: Visa (V). Return recent reported total-asset facts from SEC filings. Uses SEC EDGAR public submissions and company-facts APIs.$0.01 Base195 ms2 payers63% up
  97. 78market.datapackvibe.com/x402/demand-company-tsla-net-incomeTesla NVIDIA Net income history: Tesla (TSLA). Return recent reported net-income facts from SEC company filings. Uses SEC EDGAR public submissions and company-facts APIs.$0.01 Base161 ms2 payers63% up
  98. 78market.datapackvibe.com/x402/commission-retailRetail Commission calculator: Calculate a commission and remaining amount from a supplied rate. Tailored for retail workflows.$0.01 Basedown2 payers64% up
  99. 78market.datapackvibe.com/x402/commission-agencyAgency Commission calculator: Calculate a commission and remaining amount from a supplied rate. Tailored for agency workflows.$0.01 Basedown2 payers64% up
  100. 78market.datapackvibe.com/x402/checklist-projectProject Checklist builder: Turn supplied steps into a numbered checklist. Tailored for project workflows.$0.01 Basedown2 payers64% up