x402watch

52,436 paid endpoints are listed. 29,069 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 13:55 UTC · 52,436 probed

29,069 answering 40216,131 down6,280 rejecting956 no paywall1,876 price drift
  1. 76market.datapackvibe.com/x402/demand-domain-certificate-authorities-email-operationsCertificate authority policy lookup for Email operations: Return CAA records that constrain certificate issuance. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  2. 76market.datapackvibe.com/x402/demand-domain-ipv6-records-it-administrationIPv6 address lookup for IT administration: Return AAAA records for the hostname. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  3. 76market.datapackvibe.com/x402/demand-domain-ipv6-records-security-reviewIPv6 address lookup for Security review: Return AAAA records for the hostname. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  4. 76market.datapackvibe.com/x402/demand-domain-ipv6-records-email-operationsIPv6 address lookup for Email operations: Return AAAA records for the hostname. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  5. 76market.datapackvibe.com/x402/demand-domain-ipv4-records-sales-operationsIPv4 address lookup for Sales operations: Return public A records for the hostname. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  6. 76market.datapackvibe.com/x402/demand-domain-ipv4-records-security-reviewIPv4 address lookup for Security review: Return public A records for the hostname. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  7. 76market.datapackvibe.com/x402/demand-domain-nameservers-it-administrationNameserver lookup for IT administration: Return the domain name-server records. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  8. 76market.datapackvibe.com/x402/demand-domain-dmarc-policy-it-administrationDMARC policy lookup for IT administration: Return and parse the published DMARC policy and reporting addresses. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  9. 76market.datapackvibe.com/x402/demand-domain-dmarc-policy-security-reviewDMARC policy lookup for Security review: Return and parse the published DMARC policy and reporting addresses. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  10. 76market.datapackvibe.com/x402/demand-domain-dmarc-policy-email-operationsDMARC policy lookup for Email operations: Return and parse the published DMARC policy and reporting addresses. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  11. 76market.datapackvibe.com/x402/demand-domain-mail-routing-readiness-sales-operationsMail routing readiness for Sales operations: Check MX, SPF, and DMARC DNS records together. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  12. 76market.datapackvibe.com/x402/demand-domain-mail-routing-readiness-security-reviewMail routing readiness for Security review: Check MX, SPF, and DMARC DNS records together. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  13. 76market.datapackvibe.com/x402/demand-domain-mx-records-it-administrationMail exchanger lookup for IT administration: Return the domain MX hosts and their delivery priorities. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  14. 76market.datapackvibe.com/x402/demand-domain-mx-records-vendor-screeningMail exchanger lookup for Vendor screening: Return the domain MX hosts and their delivery priorities. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  15. 76market.datapackvibe.com/x402/demand-domain-domain-format-security-reviewDomain format check for Security review: Check a hostname for valid public-domain syntax and normalize IDNs. DNS data only; does not send email or verify that an inbox exists.$0.01 Basedown1 payers60% up
  16. 76market.datapackvibe.com/x402/demand-web-regulatory-filings-procurementRegulatory filing research for Procurement: Find primary-source regulator records and notices. Uses live web search; provide query to focus the search.$0.01 Basedown1 payers60% up
  17. 76market.datapackvibe.com/x402/demand-web-product-compatibility-procurementProduct compatibility research for Procurement: Find supported versions and compatibility information. Uses live web search; provide query to focus the search.$0.01 Basedown1 payers60% up
  18. 75stableupload.dev/api/uploadBuy an upload slot. Agent uploads file via returned URL.$2.00 $0.005 Base1638 ms45 payers100% up
  19. 75www.stablebrowser.dev/api/sessionsCreate a new browser session ($0.10). Optionally pass sessionId to resume an existing Browserbase session. Returns sessionId (Browserbase session ID) to use for all subsequent calls.$0.10 Base2371 ms16 payers80% up
  20. 75options.lonestaroracle.xyz/flowOptions flow intelligence — unusual activity put/call ratios large block trades$0.05 $0.01 Base1149 ms7 payers100% up
  21. 75minifetch.com/api/v1/x402/extract/url-previewExtracts all fields used for a page's share previews: the lightweight cards that represent the page on social platforms, chat apps, and AI. Obeys robots.txt. Supports GET & POST$0.001 $0.002 Base1166 ms4 payers100% up
  22. 75402.com.tr/api/x402/iban-checkValidate an IBAN offline: country registry length, structure, and the ISO 7064 mod-97 checksum that catches what humans and spreadsheets actually get wrong — a transposed pair, a dropped character, an O typed for a zero. Returns the normalised and print-formatted forms, country, SEPA membership, and the bank identifier where the layout is known. Every rejection names WHICH check failed, so you know whether to fix the row or drop it. Structure only: a valid IBAN is not proof the account exists.$0.002 Base628 ms4 payers67% up
  23. 75presign-guard.onrender.com/v1/checkIs this transaction, approval or signature safe to sign? Check it before your AI agent or wallet signs it: pre-sign verdict (green/orange/red + reason codes) for EVM transactions, token approvals and Permit/Permit2/EIP-3009/Seaport signatures. Screens the spender or recipient wallet for OFAC sanctions and scam, phishing or theft reports, and flags unlimited allowances, plain-wallet spenders and risky tokens. Bulk: 100 checks for $0.80 via /v1/credits.$0.01 Base638 ms4 payers67% up
  24. 75proxy.suverse.io/v1/data/ethereum-gas-trackerEthereum mainnet gas prices (safe / standard / fast tier) real-time from Etherscan V2. AI agent MEV bot, trading bot, dApp tx-timing API, ETH gas oracle, pay-per-call. Time transactions for cost efficiency.$0.002 $0.05 Base1410 ms4 payers100% up
  25. 75402.com.tr/api/x402/breach-checkHave I Been Pwned Pwned Passwords via k-anonymity: only a 5-char SHA-1 prefix leaves the server. Returns pwned + occurrence count and a GO/HOLD/STOP. Password is not stored. Email breach lookup not offered.$0.005 Base700 ms3 payers67% up
  26. 75402.com.tr/api/x402/url-riskHeuristic URL risk: scheme, IP hosts, deep subdomains, credential-themed labels, sensitive paths/params, optional brand= lookalike. Returns reasons + GO/HOLD/STOP. Not a malware or Safe Browsing scan.$0.002 Base852 ms3 payers67% up
  27. 75x402.agentutility.ai/text-embeddingEmbeds 1 to 100 strings into semantic vectors via Venice. Tier shorthand: 'default' → gemini-embedding-2-preview (newest, recommended), 'fast' → text-embedding-bge-m3, 'openai-compat' → text-embedding-3-small. You can also pass a full Venice embedding model name. Returns a list of vectors aligned with input order. Use it for text embedding, vector embedding, Venice embeddings, Gemini embeddings, or BGE-M3.$0.005 Base1078 ms3 payers75% up
  28. 75402.com.tr/api/x402/tracking-detectGuess UPS / FedEx / USPS / DHL / DPD / TNT / TR carriers from tracking-number shape and return a carrier tracking URL. Live parcel status is NOT fetched — pattern detection only.$0.002 Base1000 ms3 payers67% up
  29. 75app.difficat.com/api/v1/screenshotsCaptures a full-page screenshot of one public web page in Chromium and returns a link to the PNG. Use it for a one-off visual check of a page, or to keep a reference image before a change. 0.02 USD per call.$0.02 Baseno paywall3 payers67% up
  30. 75402.com.tr/api/x402/vat-checkValidate an EU VAT number offline: country prefix, national format, and the published check-digit algorithm for the 8 countries that have one (BE, DE, FR, IT, LU, NL, PL, PT). The response says which of the two you got — checksumChecked distinguishes a verified number from a format-only pass, because they are not the same strength of answer. Registration is deliberately NOT claimed: only VIES can say whether a number is registered, and this endpoint does not call it.$0.002 Base338 ms3 payers67% up
  31. 75402.com.tr/api/x402/phone-checkTurn the many ways a phone number gets typed into one E.164 string: strips spacing, brackets, the 00 international prefix and the national trunk zero people include out of habit. Returns country, calling code, national number, and whether the length matches that country's numbering plan. Line type (mobile / fixed) is reported ONLY for countries whose ranges are unambiguous and is null elsewhere with a reason — never guessed. Offline: it does not check that the number is assigned or reachable.$0.002 Base683 ms3 payers67% up
  32. 75api.magentlab.com/api/calc/rest_lgsWolf 2024 REST-LGS: four major criteria (+3 each) and four minor (+1 each). Max 16. likely if score > 11, possible if 8-11, unlikely if < 8. Caller-assigned flags only; magent does not read EEG. Screening, not a diagnosis of Lennox-Gastaut syndrome. Not the 2019 CRF count threshold.$0.005 $0.007 Base2050 ms3 payers100% up
  33. 75api.magentlab.com/api/calc/reveal_pahBenza 2019 REVEAL 2.0: start at 6; add published points for etiology (CTD +1, PoPH +3, heritable +2), male >60, renal insufficiency, WHO FC, 6-month hospitalization, SBP <110, HR >96, 6MWD, BNP/NT-proBNP, pericardial effusion, DLCO <40%, mRAP >20, and PVR <5. Returns low (0-6), intermediate (7-8), or high (>=9) 12-month mortality. Caller-assigned; not a PAH diagnosis or dose. Not REVEAL 1.0 or Lite 2.$0.005 $0.007 Base1444 ms3 payers100% up
  34. 75api.magentlab.com/api/calc/reynoldsRidker JAMA 2007 Reynolds Risk Score, women Model B only: 10-year CVD percent from age, SBP, hsCRP, total cholesterol, HDL-C, HbA1c if diabetic, current smoking, and parental MI before 60. Natural-log Box formula. Not men (Ridker 2008), not ATP-III, not 2013 PCE, not a diagnosis or statin order. magent does not assay lipids or hsCRP.$0.005 $0.007 Base1199 ms3 payers100% up
  35. 75api.magentlab.com/api/calc/rfmRelative fat mass (RFM) from height, waist, and sex (Woolcott 2018). Height and waist in meters in the paper; magent accepts height_cm or height_in and waist_cm. Deterministic published arithmetic with citation. Not a medical device, not a body-fat diagnosis, and not later obesity cutoffs. magent does not measure the patient.$0.005 $0.007 Base1126 ms3 payers100% up
  36. 75api.magentlab.com/api/calc/ribscoreChapman 2016 RibScore from six caller-assigned radiographic flags (≥6 rib fractures, bilateral, flail chest, ≥3 severely bicortical displaced, first rib, and all three anatomic areas). 1 point each, total 0-6. Associated linearly with pneumonia, respiratory failure, and tracheostomy. magent does not read a CT. Deterministic published arithmetic with citation; not a named risk class.$0.005 $0.007 Base1188 ms3 payers100% up
  37. 75api.magentlab.com/api/calc/rifleRIFLE 2004 (Bellomo Fig. 1) class from baseline and current creatinine in mg/dL and a caller-assigned urine-output category. Class is the worse of the two limbs; persistent ARF >4 weeks is Loss and >3 months is ESRD. magent does not assay creatinine, measure urine, or estimate baseline with MDRD. Not a medical device, not a diagnosis, not AKIN 2007, and not KDIGO 2012.$0.005 $0.007 Base1198 ms3 payers100% up
  38. 75api.magentlab.com/api/calc/rockallRockall 1996 complete (post-endoscopy) score after acute upper GI haemorrhage: age <60 0, 60-79 1, >=80 2; shock SBP<100 2 (hypotension; tachycardia not added), else HR>=100 1, else 0; comorbidity none 0, cardiac 2, renal/liver/metastatic 3; diagnosis none or mallory_weiss 0, other 1, malignancy 2; stigmata none_or_spot 0, blood_clot_vessel 2. Max 11. Not pre-endoscopy-only Rockall, AIMS65, or GBS. Caller assigns comorbidity, diagnosis, and stigmata.$0.005 $0.007 Base1560 ms3 payers100% up
  39. 75api.magentlab.com/api/calc/ripasaChong 2010 RIPASA score from 15 caller-assigned findings (half-points; max 16). Age <40 scores 1.0, ≥40 scores 0.5; male 1.0, female 0.5; symptoms <48h 1.0, otherwise 0.5. Guarding and Rovsing 2.0 each. Fever, raised WCC, and foreign NRIC are caller-assigned; magent does not apply a °C or WBC cutoff. Derivation ROC: <7.5 below_cutoff, ≥7.5 at_or_above_cutoff. Not a diagnosis or operating-room protocol. magent does not examine the abdomen.$0.005 $0.007 Base1526 ms3 payers100% up
  40. 75api.magentlab.com/api/calc/rome_iv_biliary_painCotton 2016 Rome IV E1 biliary pain. rome_iv_biliary_pain is true iff epigastric or RUQ pain builds to a 30-min steady level, occurs at different intervals (not daily), interrupts activities or leads to an ED visit, and is not significantly related to bowel movements or relieved by posture or acid suppression. Supportive flags reported, not required. magent does not examine the patient or read ultrasound, HIDA, or ERCP. Not a diagnosis, not functional gallbladder, not biliary or pancreatic SOD.$0.005 $0.007 Base1958 ms3 payers100% up
  41. 75api.magentlab.com/api/calc/rome_iv_biliary_sodCotton 2016 Rome IV E1b functional biliary SOD (former SOD type II). rome_iv_biliary_sod iff six E1 biliary-pain flags, enzymes XOR dilated bile duct, and no stones or other structural abnormalities. Type I (both findings) is organic stenosis, not this box. Type III (neither) is not this box. Supportive amylase/lipase, manometry, and scintigraphy are reported, not required. magent does not read labs, imaging, manometry, or ERCP. Not a diagnosis, not pancreatic SOD, not functional gallbladder.$0.005 $0.007 Base1356 ms3 payers100% up
  42. 75api.magentlab.com/api/calc/rome_ii_ibsThompson 1999 Rome II IBS. rome_ii_ibs is true iff at least 12 weeks (need not be consecutive) in the preceding 12 months of abdominal discomfort or pain and at least two of: relieved with defecation, onset associated with a change in stool frequency, and onset associated with a change in stool form. supporting_features_met is 0-3. Caller assigns four flags. magent does not examine the patient. Not a diagnosis, not Rome III, not Rome IV, not Manning, not IBS subtype.$0.005 $0.007 Base1784 ms3 payers100% up
  43. 75api.magentlab.com/api/calc/rome_iii_ibsLongstreth 2006 Rome III IBS. rome_iii_ibs is true iff pain or discomfort at least 3 days per month in the last 3 months, onset at least 6 months prior, and at least two of: improvement with defecation, change in stool frequency, and change in stool form. supporting_features_met is 0-3. Caller assigns five flags. magent does not examine the patient. Not a diagnosis, not Rome IV, not IBS subtype.$0.005 $0.007 Base1755 ms3 payers100% up
  44. 75api.magentlab.com/api/calc/rome_iv_capsKeefer 2016 Rome IV CAPS (formerly FAPS). rome_iv_caps is true iff continuous or nearly continuous abdominal pain, no or only occasional relationship with eating, defecation, or menses, pain limits daily functioning, pain is not feigned, not explained by another GI or medical condition, last-3-months criteria, and 6-month onset. Psychosocial comorbidity is copy-only. magent does not examine or judge feigning beyond the caller flag. Not a diagnosis, not IBS, not narcotic bowel syndrome.$0.005 $0.007 Base1365 ms3 payers100% up
  45. 75api.magentlab.com/api/calc/rome_iv_belchingStanghellini 2016 Rome IV belching disorders (B2). rome_iv_belching is true iff bothersome (severe enough to impact usual activities) belching from the esophagus or stomach more than 3 days a week, last-3-months criteria, 6-month onset, and belching_origin supragastric (B2a) or gastric (B2b). magent does not measure impedance or take a history. Not a diagnosis, not adult aerophagia, not child H1d aerophagia, not bloating, not FD.$0.005 $0.007 Base1407 ms3 payers100% up
  46. 75api.magentlab.com/api/calc/rome_iv_bloatingMearin 2016 Rome IV C4 bloating/distension. rome_iv_bloating is true iff last-3-months criteria with 6-month onset, recurrent bloating or distension ≥1 day/week that predominates, and insufficient criteria for IBS, functional constipation, functional diarrhea, or PDS. Caller assigns three flags. magent does not examine the patient. Not a diagnosis. Adult C4 only. Not child, not IBS, not functional constipation, not functional diarrhea, not PDS or functional dyspepsia.$0.005 $0.007 Base1651 ms3 payers100% up
  47. 75api.magentlab.com/api/calc/rome_iv_chest_painAziz 2016 Rome IV functional chest pain. rome_iv_chest_pain is true iff retrosternal chest pain or discomfort, no associated heartburn or dysphagia, not explained by GERD or eosinophilic esophagitis, no major esophageal motor disorder, last-3-months criteria, and 6-month onset. Caller assigns six flags, including cardiac rule-out. magent does not examine the patient, rule out ACS, or read manometry. Not a diagnosis, not functional heartburn, not reflux hypersensitivity, not globus.$0.005 $0.007 Base1484 ms3 payers100% up
  48. 75api.magentlab.com/api/calc/rome_iv_child_cvsHyams 2016 Rome IV H1a child/adolescent cyclic vomiting. rome_iv_child_cvs is true iff two_or_more_periods_intense_nausea_paroxysmal_vomiting_hours_to_days_within_6_months, episodes_stereotypical, episodes_separated_weeks_to_months_with_return_to_baseline, and not_attributed_to_another_condition. Caller assigns four flags. magent does not examine the child. Not a diagnosis, not neonate/toddler G3, not adult Rome IV CVS, not cannabinoid hyperemesis.$0.005 $0.007 Base1652 ms3 payers100% up
  49. 75api.magentlab.com/api/calc/rome_iv_child_dyspepsiaHyams 2016 Rome IV H2a. True iff bothersome ≥4 days/month, symptoms_met ≥1 of 3 (postprandial fullness, early satiation, epigastric pain or burning not associated with defecation), exclusion, and 2-month duration. Item 4 is the exclusion, not a fourth symptom. PDS and EPS supportive features are copy-only. Caller assigns six flags. magent does not examine the child or parse EGD. Not a diagnosis. Not adult Rome IV FD.$0.005 $0.007 Base1526 ms3 payers100% up
  50. 75api.magentlab.com/api/calc/rome_iv_child_ibsHyams 2016 Rome IV H2b. rome_iv_child_ibs is true iff pain at least 4 days per month, stool_features_met >= 1, pain_does_not_resolve_with_constipation_treatment, not another condition, and 2-month duration. stool_features_met (0-3) counts related_to_defecation, change_in_stool_frequency, and change_in_stool_form. Caller assigns seven flags. magent does not examine the patient. Not a diagnosis. Not adult Rome IV IBS, not child functional constipation, not IBS-C/D/M/U subtype.$0.005 $0.007 Base1527 ms3 payers100% up
  51. 75api.magentlab.com/api/calc/rome_iv_child_fap_nosHyams 2016 Rome IV H2d child FAP-NOS. rome_iv_child_fap_nos is true iff episodic_or_continuous_abdominal_pain_not_solely_during_physiologic_events, pain_at_least_4_times_per_month, insufficient_criteria_for_ibs_fd_or_abdominal_migraine, not_explained_by_another_condition, and fulfilled_at_least_2_months. Caller assigns five flags including the IBS/FD/abdominal-migraine residual. magent does not re-run those tools. Not a diagnosis, not adult CAPS, not FAPS (dropped in Rome IV).$0.005 $0.007 Base1357 ms3 payers100% up
  52. 75api.magentlab.com/api/calc/rome_iv_cvsStanghellini 2016 Rome IV adult CVS B3b. rome_iv_cvs is true iff stereotypical acute vomiting episodes lasting <1 week, ≥3 discrete episodes in the prior year and 2 in 6 months at least 1 week apart, absence of vomiting between episodes, last-3-months criteria, and 6-month onset. migraine_history is supportive and not required. Caller assigns eight flags. magent does not examine the patient. Not a diagnosis, not CHS, not pediatric CVS, not Rome IV IBS.$0.005 $0.007 Base1660 ms3 payers100% up
  53. 75api.magentlab.com/api/calc/rome_iv_chsStanghellini 2016 Rome IV CHS. rome_iv_chs is true iff stereotypical episodic vomiting resembling CVS, presentation after prolonged excessive cannabis use, relief with sustained cannabis cessation, criteria fulfilled for the last 3 months, and onset at least 6 months prior. pathologic_bathing is supportive and not required. Caller assigns six flags. magent does not take a cannabis history. Not a diagnosis, not cyclic vomiting syndrome.$0.005 $0.007 Base1182 ms3 payers100% up
  54. 75api.magentlab.com/api/calc/rome_iv_fcMearin 2016 Rome IV C2 FC. rome_iv_fc is true iff last-3-months criteria with 6-month onset, at least 2 of 6 symptoms (straining, lumpy/hard stools, incomplete evacuation, anorectal obstruction, manual maneuvers, fewer than 3 SBM/week), loose stools rare without laxatives, and insufficient IBS criteria. symptom_count is 0-6. Caller assigns nine flags. magent does not examine the patient. Not a diagnosis, not Rome IV IBS, not Manning, not opioid-induced or child constipation.$0.005 $0.007 Base1811 ms3 payers100% up
  55. 75api.magentlab.com/api/calc/rome_iv_diarrheaMearin 2016 Rome IV C3 functional diarrhea. rome_iv_diarrhea is true iff last-3-months criteria with 6-month onset, loose or watery stools without predominant abdominal pain or bothersome bloating in >25% of stools, and insufficient criteria for diarrhea-predominant IBS. Caller assigns three flags. magent does not examine the patient. Not a diagnosis. Adult C3 only. Not child G5, not IBS-D, not Rome IV IBS, not Manning, not functional constipation.$0.005 $0.007 Base1165 ms3 payers100% up
  56. 75api.magentlab.com/api/calc/rome_iv_cnvsStanghellini 2016 Rome IV chronic nausea vomiting syndrome (CNVS, B3a). rome_iv_cnvs is true iff bothersome nausea at least 1 day per week and/or one or more vomiting episodes per week as one flag, self-induced vomiting eating disorders regurgitation and rumination excluded, no organic systemic or metabolic explanation including at upper endoscopy, last-3-months criteria, and 6-month onset. magent does not take a history or read endoscopy. Not a diagnosis, not CVS, not CHS, not rumination.$0.005 $0.007 Base1582 ms3 payers100% up
  57. 75api.magentlab.com/api/calc/rome_iv_fdStanghellini 2016 Rome IV B1 FD. rome_iv_fd is true iff last-3-months criteria with 6-month onset, no structural disease likely to explain symptoms, and PDS (B1a) and/or EPS (B1b). pds iff fullness and/or early satiation >=3 days/week. eps iff epigastric pain and/or burning >=1 day/week. Overlap allowed. Caller assigns six flags. magent does not examine the patient. Not a diagnosis, not Rome III dyspepsia, not Rome IV IBS.$0.005 $0.007 Base1878 ms3 payers100% up
  58. 75api.magentlab.com/api/calc/rome_iv_heartburnAziz 2016 Rome IV functional heartburn. rome_iv_heartburn is true iff burning retrosternal discomfort, no relief despite optimal antisecretory therapy, not explained by GERD or eosinophilic esophagitis, no major esophageal motor disorder, last-3-months criteria, and 6-month onset. Caller assigns six flags. magent does not prescribe PPI or read pH-impedance. Not a diagnosis, not globus, not reflux hypersensitivity, not Rome IV IBS.$0.005 $0.007 Base1713 ms3 payers100% up
  59. 75api.magentlab.com/api/calc/rome_iv_ibsMearin 2016 Rome IV IBS. rome_iv_ibs is true iff recurrent abdominal pain at least 1 day per week in the last 3 months, onset at least 6 months prior, and at least two of: related to defecation, change in stool frequency, and change in stool form. supporting_features_met is 0-3. Caller assigns five flags. magent does not examine the patient. Not a diagnosis, not Rome III, not IBS subtype.$0.005 $0.007 Base1737 ms3 payers100% up
  60. 75api.magentlab.com/api/calc/rome_iv_infant_colicBenninga 2016 Rome IV G4 infant colic (clinical). rome_iv_infant_colic is true iff the infant is less than 5 months of age when symptoms start and stop, recurrent prolonged crying, fussing, or irritability without obvious cause that caregivers cannot prevent or resolve, and no evidence of failure to thrive, fever, or illness. Research 3-hour/diary criteria are not parsed. Caller assigns three flags. magent does not examine the infant. Not a diagnosis.$0.005 $0.007 Base1312 ms3 payers100% up
  61. 75api.magentlab.com/api/calc/rome_iv_pancreatic_sodCotton 2016 Rome IV E2 pancreatic sphincter of Oddi disorder. rome_iv_pancreatic_sod is true iff documented recurrent episodes of pancreatitis, other etiologies of pancreatitis excluded, negative endoscopic ultrasound, and abnormal sphincter manometry. Caller assigns four flags. magent does not read EUS, manometry, labs, or imaging. Not a diagnosis, not biliary SOD, not functional gallbladder, not a sphincterotomy recommendation.$0.005 $0.007 Base1431 ms3 payers100% up
  62. 75api.magentlab.com/api/calc/rome_iv_levator_aniRao 2016 Rome IV levator ani syndrome. rome_iv_levator_ani is true iff chronic or recurrent rectal pain or aching, episodes lasting 30 minutes or longer, tenderness during puborectalis traction (caller assigns; magent does not perform traction), other causes of rectal pain excluded, last-3-months criteria, and 6-month onset. Not a diagnosis, not proctalgia fugax, not unspecified functional anorectal pain (F2b).$0.005 $0.007 Base1346 ms3 payers100% up
  63. 75api.magentlab.com/api/calc/rome_iv_oicMearin 2016 Rome IV C6 OIC. rome_iv_oic is true iff new or worsening constipation when initiating, changing, or increasing opioid therapy, at least 2 of 6 symptoms (straining, lumpy/hard stools, incomplete evacuation, anorectal obstruction, manual maneuvers, fewer than 3 SBM/week), and loose stools rare without laxatives. symptom_count is 0-6. Caller assigns eight flags. magent does not examine the patient or prescribe opioids. Not a diagnosis, not functional constipation C2, not IBS, not child.$0.005 $0.007 Base1438 ms3 payers100% up
  64. 75api.magentlab.com/api/calc/rome_iv_ruminationStanghellini 2016 Rome IV rumination syndrome. rome_iv_rumination is true iff persistent or recurrent regurgitation of recently ingested food with subsequent spitting or remastication and swallowing, regurgitation not preceded by retching, last-3-months criteria, and 6-month onset. Supportive remarks (effortless, not preceded by nausea, recognizable food, ceases when acidic) are copy-only and not parsed. magent does not observe regurgitation. Not a diagnosis, not CHS, not CVS, not GERD.$0.005 $0.007 Base1152 ms3 payers100% up
  65. 75api.magentlab.com/api/calc/rome_iv_child_fecal_incontinenceHyams 2016 Rome IV H3b. rome_iv_child_fecal_incontinence is true iff developmental_age_older_than_4_years, duration_at_least_1_month, defecation_into_places_inappropriate_to_sociocultural_context, no_evidence_of_fecal_retention, and not_explained_by_another_condition. Item 2 is exclusion of fecal retention, not a symptom count. Duration is 1 month. Caller assigns five flags. magent does not examine the child. Not a diagnosis, not H3a functional constipation, not adult Rao 2016 F1.$0.005 $0.007 Base1329 ms3 payers100% up
  66. 75api.magentlab.com/api/calc/roseReed 2010 ROSE (BRACES) for ED syncope: BNP ≥300 pg/mL, heart rate ≤50, fecal occult blood, hemoglobin ≤90 g/L, chest pain associated with syncope, Q wave not in lead III, and room-air SpO2 ≤94%. Each present criterion is 1 point (score 0-7). High-risk if any item is present. Caller assigns labs, vitals, FOB, chest pain, and the Q-wave flag. Not a medical device or disposition protocol; magent does not measure BNP, hemoglobin, or SpO2, and does not read an ECG.$0.005 $0.007 Base1282 ms3 payers100% up
  67. 75api.magentlab.com/api/calc/rothChorin 2016 Roth score: caller max_count (integer 1-30, highest number reached counting 1 to 30 in one breath) and counting_time_seconds (greater than 0, at most 60). Echoes both; time to 1 decimal. Flags quote Table 2/discussion: max_count <10, counting_time <7 s, max_count <7, counting_time <5 s. Not a hypoxia class or 2021 general-practice cutoff. Not a medical device. magent does not time the patient.$0.005 $0.007 Base1061 ms3 payers100% up
  68. 75api.magentlab.com/api/calc/rseBateman 2015 Risk Score for Exacerbations (RSE): Table II normalized points from BMI >=30 (14), ACQ-5 (<1.5=0; 1.5 to <2.5=7; >=2.5=13), FEV1 % predicted (>=90=0; 80 to <90=13; <80=20), daily rescue occasions (<2=0; 2 to <4=11; >=4=26), and GINA step (3=0; 4=27). Total 0-100. Caller-assigned; magent does not administer ACQ-5 or spirometry. Not a diagnosis, GINA step change, or inhaler order.$0.005 $0.007 Base1283 ms3 payers100% up
  69. 75api.magentlab.com/api/calc/rtsRevised Trauma Score (Champion 1989): coded GCS, SBP, and respiratory rate (0-4 each), T-RTS as their sum (0-12), and weighted RTS = 0.9368·GCS + 0.7326·SBP + 0.2908·RR. Deterministic published arithmetic with citation. Not a triage order; not ISS; not the 1981 Trauma Score.$0.005 $0.007 Base1141 ms3 payers100% up
  70. 75api.magentlab.com/api/calc/rule_of_ninesAdult Wallace 1951 rule of nines: percent TBSA from eight region fractions (0 none, 0.5 half, 1 full) using head 9, each arm 9, anterior trunk 18, posterior trunk 18, each leg 18, perineum 1. magent does not examine the burn. Not Lund-Browder and not a Parkland fluid order (Parkland takes tbsa_percent separately).$0.005 $0.007 Base1206 ms3 payers100% up
  71. 75api.magentlab.com/api/calc/safeSripongpun 2023 steatosis-associated fibrosis estimator (SAFE) from age, BMI (capped at 40 in the equation), diabetes, AST, ALT, globulin in g/dL, and platelets. Deterministic published equation with citation. Rule-out below 0; rule-in above 100. Not a biopsy, fibrosis stage, FIB-4, NAFLD fibrosis score, or BARD. magent does not compute BMI from height and weight.$0.005 $0.007 Base1512 ms3 payers100% up
  72. 75api.magentlab.com/api/calc/scapEspaña 2006 SCAP. Eight caller-assigned flags: two major (arterial pH <7.30, SBP <90 mm Hg) and six minor (RR >30, altered mental status, BUN >30 mg/dL, hypoxemia as PaO2 <54 mm Hg or PaO2/FiO2 <250, age ≥80, multilobar or bilateral). Severe if 1 major or ≥2 minor. One point per true predictor (max 8). Not a diagnosis, not an ICU-admission order, not CURB-65, not PSI/PORT, not SMART-COP.$0.005 $0.007 Base1010 ms3 payers100% up
  73. 75api.magentlab.com/api/calc/schwartz_gfrSchwartz 2009 bedside eGFR for children with CKD (CKiD): 0.413 × height in cm divided by serum creatinine in mg/dL, rounded to one decimal as mL/min/1.73m2. Height may be centimeters or inches; creatinine may be mg/dL or µmol/L. Not a dosing recommendation, not CKD-EPI, not Cockcroft–Gault, and not the 1976 Schwartz k=0.55 formula. Does not assign CKD stages.$0.005 $0.007 Base1375 ms3 payers100% up
  74. 75api.magentlab.com/api/calc/scoffMorgan 1999 SCOFF questionnaire: five caller-assigned yes/no flags (make yourself sick, lost control over eating, lost more than one stone / 14 lb in 3 months, believe fat when others say thin, food dominates life), 1 point each, max 5. Screen-positive when two or more answers are affirmative (score ≥2). Deterministic published score with citation; not a diagnosis of an eating disorder and not a medical device. magent does not interview the patient or interpret individual items.$0.005 $0.007 Base1018 ms3 payers100% up
  75. 75api.magentlab.com/api/calc/score2_opESC 2021 SCORE2-OP 10-year fatal plus non-fatal CVD percent for age 70-89 from sex, current smoking, diabetes, systolic BP, non-HDL cholesterol, and European geographic risk region (low, moderate, high, very_high). Published sex-specific Table 2 coefficients and region scale1/scale2. Not SCORE2, not SCORE2-Diabetes, not 2013 PCE, not PREVENT, not a diagnosis or statin order. magent does not assay lipids.$0.005 $0.007 Base1232 ms3 payers100% up
  76. 75api.magentlab.com/api/calc/score2_diabetesESC 2023 SCORE2-Diabetes 10-year fatal plus non-fatal CVD percent for type 2 diabetes, age 40-79, from sex, smoking, systolic BP, total and HDL cholesterol, age at diagnosis, IFCC HbA1c, eGFR, and European geographic risk region. Not SCORE2, not SCORE2-OP, not a diagnosis or statin order. magent does not assay lipids, HbA1c, or eGFR.$0.005 $0.007 Base1075 ms3 payers100% up
  77. 75api.magentlab.com/api/calc/shfmLevy 2006 Seattle Heart Failure Model 1-, 2-, and 3-year survival from Table 2 multivariate HRs. Score = sum of ln(HR)*x; S(t)=exp(-0.0405*t)**exp(score). Age, sex, NYHA, EF, ischemic etiology, SBP, furosemide-eq diuretic, labs, and already-on ACEI, beta-blocker, ARB, K-sparing diuretic, statin, BiV, ICD, or BiV-ICD. Caller assigns class, etiology, and therapy. magent does not measure labs or blood pressure. Not a diagnosis, prescription, or device order.$0.005 $0.007 Base1262 ms3 payers100% up
  78. 75api.magentlab.com/api/calc/sf_syncopeSan Francisco Syncope Rule (CHESS) from history of CHF, hematocrit, abnormal ECG, shortness of breath, and systolic BP. Returns a 0-5 criterion count and rule-positive if any CHESS item is present. Deterministic published score with citation; not a disposition protocol.$0.005 $0.007 Base1273 ms3 payers100% up
  79. 75api.magentlab.com/api/calc/shanghaiAntzelevitch 2016 Shanghai Score System (Table 2) for Brugada syndrome. Caller assigns ECG (spontaneous type 1 3.5, fever type 1 3, drug-converted type 2/3 2; required; highest only), clinical history (0–3), family history (0–2), and pathogenic BrS-gene mutation (0.5). Bands: probable_definite ≥3.5, possible 2–3. magent does not read tracings. Not a diagnosis or ICD indication. Not the ERS Table 5 score.$0.005 $0.007 Base1239 ms3 payers100% up
  80. 75api.magentlab.com/api/calc/sgarbossaSgarbossa 1996 GUSTO-1 criteria for evolving AMI in left bundle-branch block: caller-assigned concordant ST elevation ≥1 mm (5), concordant ST depression ≥1 mm in V1–V3 (3), and discordant ST elevation ≥5 mm (2). Max 10. Score ≥3 had ~90% specificity in the derivation. Deterministic published score with citation; not a diagnosis, not the Smith modification, and magent does not read the tracing.$0.005 $0.007 Base1370 ms3 payers100% up
  81. 75api.magentlab.com/api/calc/shock_indexShock index as heart rate in bpm divided by cuff systolic pressure in mm Hg (Allgöwer and Burri 1967). Returns the original ratio rounded to two decimals. Not a shock diagnosis, treatment target, or cutoff, and does not use MAP or diastolic pressure.$0.005 $0.007 Base1025 ms3 payers100% up
  82. 75api.magentlab.com/api/calc/simplified_aihHennes 2008 simplified AIH (Table 2): caller-assigned autoantibody points 0-2 (max 2 across ANA/SMA/LKM/SLA), IgG points 0-2 (≤ULN / >ULN / >1.10×ULN), histology none 0 / compatible 1 / typical 2, viral hepatitis absent true 2. Max 8. Score <6 not_aih, 6 probable, ≥7 definite. Not a diagnosis and not the original 1999 IAHG score. magent does not titer autoantibodies, assay IgG vs ULN, or read liver histology.$0.005 $0.007 Base1679 ms3 payers100% up
  83. 75api.magentlab.com/api/calc/shorrShorr 2013 MRSA pneumonia risk score (Table 2 only, not HCAP, not DRIP): recent hospitalization ≥2 days in 90 days 2; ICU admission 2; age <30 or >79 1; prior IV antibiotics 1; dementia 1; cerebrovascular disease 1; female with diabetes 1 (male with diabetes 0); nursing home/LTAC/SNF 1; max 10. Bands: 0-1 low, 2-5 medium, ≥6 high. Returns score, max_score, and risk_band. Not a medical device and not an antibiotic order.$0.005 $0.007 Base1781 ms3 payers100% up
  84. 75api.magentlab.com/api/calc/sinsFisher 2010 SINS. Location junctional 3 / mobile 2 / semirigid 1 / rigid 0. Pain mechanical 3 / occasional_not_mechanical 1 / pain_free 0. Bone lytic 2 / mixed 1 / blastic 0. Alignment subluxation_translation 4 / de_novo_deformity 2 / normal 0. Collapse gt_50 3 / le_50 2 / no_collapse_gt_50pct_body 1 / none 0. Posterolateral bilateral 3 / unilateral 1 / none 0. Max 18. Integer sum only; not later SOSG strata, not TLICS, not an operative order. magent does not read imaging. Not a medical device.$0.005 $0.007 Base1364 ms3 payers100% up
  85. 75api.magentlab.com/api/calc/slicsVaccaro 2007 SLICS: morphology none 0 / compression 1 / burst 2 / distraction 3 / rotation_translation 4 (single most severe) + dlc intact 0 / indeterminate 1 / disrupted 2 + neuro intact 0 / root 1 / complete 2 / incomplete 3 + continuous_cord_compression +1 only with a deficit. Max 10. Bands 0-3 / 4 / >=5 treatment guidance. Not a surgical order. Not TLICS (thoracolumbar). Not AO spine. Not SINS. magent does not read imaging. Not a medical device.$0.005 $0.007 Base1367 ms3 payers100% up
  86. 75api.magentlab.com/api/calc/smastSelzer 1975 13-item Short Michigan Alcoholism Screening Test (SMAST). Caller-assigned yes/no items; score is the count of answers in the alcoholic direction using that paper's key (feel_normal_drinker, friends_think_normal_drinker, and able_to_stop score 1 if false; the other ten score 1 if true), max 13. Bands 0-1 nonalcoholic, 2 possible, ≥3 alcoholic. Not a diagnosis, not the 25-item MAST, not Pokorny 1972 Brief MAST, and not SMAST-G. magent does not interview the patient.$0.005 $0.007 Base1627 ms3 payers100% up
  87. 75api.magentlab.com/api/calc/sofaSOFA (Sepsis-related Organ Failure Assessment) from Vincent 1996 Table 3: six organs 0-4, max 24, from PaO2/FiO2 with a ventilation gate, platelets, bilirubin, MAP and adrenergic agents, caller-assigned GCS, and creatinine or urine output. Deterministic published score with citation; not a Sepsis-3 diagnosis.$0.005 $0.007 Base1748 ms3 payers100% up
  88. 75api.magentlab.com/api/calc/sodium_deficitSodium deficit from weight, sex, and measured Na using Adrogué–Madias TBW (0.6 male / 0.5 female). Deterministic published arithmetic with citation; not a sodium infusion protocol.$0.005 $0.007 Base1580 ms3 payers100% up
  89. 75api.magentlab.com/api/calc/spesisPESI (simplified Pulmonary Embolism Severity Index) from Jiménez 2010: 1 point each for age >80, cancer, chronic cardiopulmonary disease (one combined item), heart rate ≥110, systolic BP <100 mm Hg, and SpO2 <90%; max 6. Score 0 is low risk; ≥1 is high risk. Only for already diagnosed acute PE as in the paper. Not a diagnosis, not an outpatient-treatment protocol, and not original PESI classes.$0.005 $0.007 Base1677 ms3 payers100% up
  90. 75api.magentlab.com/api/calc/steinhartSteinhart 2009 Equation 1 probability of acute heart failure from caller-assigned age, clinician pretest probability (fraction 0-1 or 0-100 percent), and NT-proBNP in pg/mL. Returns estimated_probability_percent from the unrounded probability plus published ≤0.20 rule-out and ≥0.80 rule-in flags. Not a diagnosis, diuretic, or admission order. magent does not assay NT-proBNP.$0.005 $0.007 Base1071 ms3 payers100% up
  91. 75api.magentlab.com/api/calc/ssignFrank 2002 SSIGN (stage, size, grade, necrosis) for clear cell RCC after radical nephrectomy. 1997 TNM: pT1 0, pT2 1, pT3 2, pT4 0; N0/Nx 0, N1/N2 2; M0 0, M1 4; size ≥5 cm 2; nuclear grade 1–2 0, 3 1, 4 3; coagulative necrosis 2; max 15. Returns the published CSS row. Not 2002/2010 TNM. magent does not stage or read pathology. Not a diagnosis. Not a medical device.$0.005 $0.007 Base1277 ms3 payers100% up
  92. 75api.magentlab.com/api/calc/stone_nephrolithometryOkhunov 2013 STONE nephrolithometry for kidney calculi (PCNL). Caller-assigned published item points: size 0_399 1 / 400_799 2 / 800_1599 3 / ge_1600 4 (mm²); tract le_100 1 / gt_100 2 (skin-to-stone mm); obstruction none_or_mild 1 / moderate_or_severe 2 (hydronephrosis); calyces 1_or_2 1 / 3 2 / staghorn 3; essence le_950 1 / gt_950 2 (HU). Sum 5-13. No published SFR bands. Not the Moore 2014 ureteral STONE score. magent does not measure CT. Not a medical device. Not a PCNL order.$0.005 $0.007 Base1119 ms3 payers100% up
  93. 75api.magentlab.com/api/calc/stone_scoreMoore 2014 STONE score for ED prediction of uncomplicated ureteral stone. Table 3 integer points: sex female 0 male 2; timing gt_24h 0, 6_to_24h 1, lt_6h 3; origin black 0, nonblack 3 (caller-assigned as used in Moore 2014; magent does not assign race); nausea none 0, nausea_alone 1, vomiting 2; hematuria absent 0, present 3. Sum 0-13; 0-5 low, 6-9 moderate, 10-13 high. Not a CT order or stone diagnosis. Not S.T.O.N.E. nephrolithometry.$0.005 $0.007 Base1183 ms3 payers100% up
  94. 75api.magentlab.com/api/calc/step_by_stepGomez 2016 Step-by-Step for febrile infants 90 days and younger (derivation Mintegi 2014). High if ill-appearing, age 21 days or younger, leukocyturia, or PCT >=0.5 ng/mL; else intermediate if CRP >20 mg/L or ANC >10000/uL; else low. Returns risk, low_risk, high_risk, and intermediate_risk. magent does not examine the infant or assay UA, PCT, CRP, or ANC. Not Rochester, Boston, Philadelphia, or PECARN febrile. Not a medical device and not a discharge, admission, LP, or antibiotic order.$0.005 $0.007 Base1766 ms3 payers100% up
  95. 75api.magentlab.com/api/calc/subtle_stemiDriver 2017 4-variable formula for normal-variant STE in V2-V4 (early repolarization) versus subtle LAD occlusion: formula_value = 0.052*QTc_ms - 0.151*QRS_V2_mm - 0.268*R_V4_mm + 1.062*STE60_V3_mm, 3 decimals. lad_occlusion_suggested is true iff the value is ≥18.2 (derivation highest-accuracy cutpoint). Intended only when ≥1 mm STE in V2-V4 without obvious occlusion features. magent does not read the ECG. Not a STEMI diagnosis, cath-lab order, or 3-variable formula. Not a medical device.$0.005 $0.007 Base1586 ms3 payers100% up
  96. 75api.magentlab.com/api/calc/sudbury_vertigoOhle 2025 Sudbury vertigo ED score (Table 2): male 1, age>65 flag 1, diabetes 1, hypertension 3, motor or sensory deficit 5, cerebellar signs 6, BPPV -5. Returns score (female+BPPV -5, not clamped), max 17, Table 3 bands lt_5 / 5_to_8 / gt_8 (0.0 / 2.1 / 41.0%), and investigate_further if score >4. Not a medical device, stroke diagnosis, CT order, HINTS, or HINTS-plus. magent does not examine the patient. Age is the age>65 flag, not years.$0.005 $0.007 Base1169 ms3 payers100% up
  97. 75api.magentlab.com/api/calc/sulf_fastWaldron 2023 SULF-FAST for patients who already report a TMP-SMX (sulfa antibiotic) allergy. Adapted PEN-FAST flags, not PEN-FAST itself. Three caller-assigned flags: allergy event 5 or fewer years ago (2), anaphylaxis/angioedema or potential SCAR as one criterion (2), treatment required (1). Max 5. Risk: low if score < 3, elevated if ≥ 3. low_risk_for_testing iff score < 3. Not an allergy diagnosis or delabeling order. magent does not take an allergy history.$0.005 $0.007 Base1434 ms3 payers100% up
  98. 75api.magentlab.com/api/calc/t_macsBody 2016 T-MACS logistic ACS probability from caller-assigned ECG ischaemia, worsening angina, right-arm radiation, vomiting, observed sweating, hypotension (SBP <100), and Roche Elecsys hs-cTnT ng/L. Uses that paper's rounded coefficients. Bands p<0.02 very_low, 0.02<=p<0.05 low, 0.05<=p<0.95 moderate, p>=0.95 high. magent does not interpret ECG or assay troponin. Not original MACS, HEART, EDACS, or Vancouver. Not a diagnosis or medical device.$0.005 $0.007 Base1227 ms3 payers100% up
  99. 75api.magentlab.com/api/calc/thakarThakar 2005 clinical score for acute renal failure requiring dialysis after open-heart surgery. Points from sex, CHF, LVEF <35%, preoperative IABP, COPD, insulin-requiring diabetes, previous cardiac surgery, emergency surgery, procedure type (CABG / valve / CABG+valve / other), and preoperative creatinine (<1.2 / 1.2 to <2.1 / >=2.1 mg/dL). Returns integer score (max 17) and category 0–2 / 3–5 / 6–8 / 9–13. Not a dialysis order; not AKIN or RIFLE staging.$0.005 $0.007 Base1699 ms3 payers100% up
  100. 75api.magentlab.com/api/calc/tdn_gradeTerrapon 2021 Therapy-Disability-Neurology (TDN) grade. Caller assigns therapy t1-t5, modified Rankin 0-6 (6 is death), and new neurologic deficit. Overall grade is max(T, D, N); t5 or mRS 6 is always 5. D maps mRS 0-1→1, 2-3→2, 4→3, 5→4, 6→5; new deficit is N=2 else N=1. Not a diagnosis and not Clavien-Dindo alone. magent does not grade the event.$0.005 $0.007 Base1257 ms3 payers100% up