x402watch

50,402 paid endpoints are listed. 27,744 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 2026-10-10 12:50 UTC · 50,402 probed

27,744 answering 40218,331 down3,404 rejecting923 no paywall1,677 price drift
  1. 80api.magentlab.com/api/calc/neonatal_partial_exchangePartial-exchange volume from Kumar 2004: volume_ml = (actual_hct_percent - 55) / actual_hct_percent * blood_volume_ml. Desired hematocrit is the trial's 55 percent only. Caller assigns blood volume; magent does not choose millilitres per kilogram or saline versus plasma. Not a transfusion order or indication (the trial found no long-term benefit in asymptomatic LBW). Deterministic published arithmetic with citation.$0.005 $0.007 Base316 ms2 payers100% up
  2. 80api.magentlab.com/api/calc/mtoq_4Lipton 2015 mTOQ-4 from four caller-assigned frequency items: pain-free within 2 hours, one dose keeps headache away ≥24 hours, comfortable enough to plan daily activities, in control enough to return to normal function. Each never=0, rarely=0, less_than_half=1, half_or_greater=2. Sum 0-8. Bands very_poor 0, poor 1-5, moderate 6-7, maximum 8. magent does not interview the patient. Not a diagnosis, not an abortive-drug order, not the 19-item or 6-item mTOQ.$0.005 $0.007 Base834 ms2 payers100% up
  3. 80api.magentlab.com/api/calc/motzerMotzer 1999 MSKCC: KPS <80, LDH >1.5×ULN, hemoglobin <LLN, corrected calcium >10 mg/dL, no prior nephrectomy; 1 point each, max 5. Favorable 0, intermediate 1–2, poor ≥3. Deterministic published score with citation; not an RCC diagnosis or treatment recommendation; not IMDC; not Motzer 2002/2004. magent does not assign KPS or assay LDH, hemoglobin, or calcium.$0.005 $0.007 Base720 ms2 payers100% up
  4. 80api.magentlab.com/api/calc/modified_hoehn_yahrGoetz 2004 modified Hoehn and Yahr stage (Table 1). Caller-assigned tokens 1.0, 1.5, 2.0, 2.5, 3.0, 4.0, or 5.0 with the published description. No stage 0. Not the original integer-only 1-5 scale, not UPDRS, not a diagnosis, and not an outcome measure. magent does not examine the patient. Not a medical device.$0.005 $0.007 Base689 ms2 payers100% up
  5. 80api.magentlab.com/api/calc/midasStewart 1999 MIDAS from five caller-assigned 3-month day counts: missed paid work/school, work/school ≥50% reduced, missed household work, household ≥50% reduced, missed family/social/leisure. Each 0-90; total 0-450. magent does not include questions A or B and does not assign or de-duplicate days. Grades I 0-5 little/minimal, II 6-10 mild, III 11-20 moderate, IV ≥21 severe. Not a migraine diagnosis, not a triptan/prophylaxis order, not GAD-7 or PHQ-9.$0.005 $0.007 Base556 ms2 payers100% up
  6. 80api.magentlab.com/api/calc/mgfaJaretzki 2000 MGFA Clinical Classification (Table 1). Caller-assigned class I, IIa, IIb, IIIa, IIIb, IVa, IVb, or V with the published description. Class V is intubation except routine postoperative management. A feeding tube without intubation is class IVb. Not QMG, not MG-ADL, not Osserman, and not an outcome measure (QMG is separate). magent does not examine the patient. Not a medical device.$0.005 $0.007 Base724 ms2 payers100% up
  7. 80api.magentlab.com/api/calc/mg_adlWolfe 1999 myasthenia gravis activities of daily living (MG-ADL) profile: eight caller-assigned integers 0-3 (talking, chewing, swallowing, breathing, brush_comb, arise_chair, double_vision, eyelid_droop), summed 0-24. magent does not examine the patient. Wolfe 1999 correlated MG-ADL with QMG; that is not a conversion. Not QMG, not MGFA class. Score and max_score only; no severity band. Not a medical device.$0.005 $0.007 Base993 ms2 payers100% up
  8. 80api.magentlab.com/api/calc/menzaMenza 2009 HIV-acquisition score for MSM. Four caller-assigned flags: meth or poppers in the prior 6 months (11), current or prior bacterial STI (4), ≥10 male partners in the prior year (3), unprotected anal intercourse with a positive- or unknown-status partner in the prior year (1). Max 19. Integer score only; no named strata or PrEP cutoff. Not a diagnosis, PrEP order, or test-and-treat protocol. Not HIRI-MSM or SexPro. magent does not take a sexual history.$0.005 $0.007 Base811 ms2 payers100% up
  9. 80api.magentlab.com/api/calc/meldKamath 2001 model for end-stage liver disease (MELD) from creatinine, bilirubin, INR, and etiology. meld = round(3.8*ln(bilirubin_mg_dL) + 11.2*ln(INR) + 9.6*ln(creatinine_mg_dL) + 6.4*etiology). etiology is 0 if cholestatic or alcoholic, else 1. Does not floor labs at 1.0 and does not include dialysis (later UNOS/OPTN). Not MELD-Na. Not a transplant listing or allocation order.$0.005 $0.007 Base833 ms2 payers100% up
  10. 80api.magentlab.com/api/calc/mekhailMekhail 2005 Motzer extension: KPS <80, LDH >1.5x ULN, hemoglobin <LLN, corrected calcium >10 mg/dL, prior radiotherapy, >=2 metastatic sites; 1 point each, max 6. Favorable 0-1, intermediate 2, poor >=3. Not Motzer 1999 0 / 1-2 / >=3. Not Motzer 2002 time-to-treatment. Mekhail dropped no-prior-nephrectomy. Deterministic published score with citation; not an RCC diagnosis or treatment recommendation; not IMDC. magent does not assign KPS, assay LDH, hemoglobin, or calcium, or image metastases.$0.005 $0.007 Base843 ms2 payers100% up
  11. 80api.magentlab.com/api/calc/mayo_spnSwensen 1997 Mayo Clinic logistic probability of malignancy for a 4-30 mm radiologically indeterminate solitary pulmonary nodule. Inputs: age, current or former smoking, extrathoracic cancer diagnosed ≥5 years before the nodule, largest diameter in mm, caller-assigned spiculation, and caller-assigned upper-lobe location. Returns logit x and P = e^x / (1 + e^x). magent does not read the film. Not Gould 2007, not Brock, not a diagnosis, not a biopsy order, and not a medical device.$0.005 $0.007 Base871 ms2 payers100% up
  12. 80api.magentlab.com/api/calc/levothyroxine_doseAdult levothyroxine (LT4) full-replacement estimate: daily_lt4_mcg = weight_kg * 1.6 (ATA 2014). Weight in kg or lb. Not a prescription, TSH titration, pediatric or pregnancy-specific dose, or tablet strength. Lean-body-mass adjustment may apply; elderly and cardiac patients often start lower. Deterministic published arithmetic with citation.$0.005 $0.007 Base928 ms2 payers100% up
  13. 80api.magentlab.com/api/calc/isth_batRodeghiero 2010 ISTH/SSC bleeding assessment tool (BAT). Fourteen caller-assigned Table S1 symptom integers (0-4; cns_bleeding 0, 3, or 4 only). magent sums only (max 56) and does not take the bleeding history. This 2010 letter did not identify an abnormal bleeding score; magent does not apply later Elbatarny 2014 / WFH ≥4 male / ≥6 female / ≥3 child cutoffs. Not a VWD diagnosis and not a medical device.$0.005 $0.007 Base846 ms2 payers100% up
  14. 80api.magentlab.com/api/calc/ipss_rGreenberg 2012 IPSS-R for MDS: cytogenetics (very_good 0, good 1, intermediate 2, poor 3, very_poor 4; caller assigns the Schanz subgroup), BM blasts, hemoglobin g/dL, platelets, and ANC; max 10. very_low ≤1.5 through very_high >6. Deterministic published score with citation; not a diagnosis or transplant listing; not IPSS 1997 or IPSS-M. magent does not karyotype.$0.005 $0.007 Base850 ms2 payers100% up
  15. 80api.magentlab.com/api/calc/intrauterine_rbcMandelbrot 1988 intrauterine RBC transfusion volume: fetoplacental_volume_ml = 1.046 + estimated_fetal_weight_g * 0.14; volume_ml uses the unrounded fetoplacental volume times (hct_final_percent - hct_initial_percent) / hct_donor_percent. Hematocrit arm only; the paper also allowed platelet count — magent does not implement platelets. Caller-assigned estimated fetal weight; magent does not estimate weight from biometry. Not a medical device or transfusion order.$0.005 $0.007 Base535 ms2 payers100% up
  16. 80api.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 Base873 ms2 payers100% up
  17. 80api.magentlab.com/api/calc/hitsSherin 1998 HITS from four caller-assigned integers 1-5 (hurt, insult, threaten, scream; never=1 to frequently=5). magent does not interview the patient or interpret the items. Sum 4-20. Screen-positive when score ≥10. Deterministic published score with citation; not a diagnosis of intimate partner violence and not a medical device.$0.005 $0.007 Base962 ms2 payers100% up
  18. 80api.magentlab.com/api/calc/hietHigh-dose insulin euglycemia therapy (HIET) from Engebretsen 2011: 1 U/kg insulin bolus, then a 1-10 U/kg/h continuous infusion. Weight in kg or lb. Not a prescription. Used in beta-blocker or calcium-channel-blocker cardiogenic shock. magent does not titrate, choose dextrose, or add DigiFab, glucagon, or calcium. Deterministic published arithmetic with citation.$0.005 $0.007 Base701 ms2 payers100% up
  19. 80api.magentlab.com/api/calc/ffmBoer 1984 estimated lean body mass from sex, height_cm, and weight_kg (male 0.407W+0.267H-19.2; female 0.252W+0.473H-48.3). Reports lbm_kg (paper term) with ffm_kg as the same alias. Height 100-220 cm and weight 20-300 kg are magent clamps, not Boer bands. Not a dosing weight, James/Hume formula, or measured body composition. magent does not measure the patient.$0.005 $0.007 Base882 ms2 payers100% up
  20. 80api.magentlab.com/api/calc/evendoDong 2019 EVendo score for screening high-risk esophageal varices. A = (8.5 * INR) + (AST/35); B = (platelets/150) + (BUN/20) + (hemoglobin/15); score = A/B + 1 if ascites. US conventional units. Round to 2 decimals. Published cutoff strictly below 3.90. magent clamps: INR 0.8-4.0, AST 5-4000 U/L, platelets 10-800 k/uL, BUN 2-150 mg/dL, hemoglobin 4-20 g/dL. Not a varices diagnosis or endoscopy order. magent does not assay labs. Not a medical device.$0.005 $0.007 Base958 ms2 payers100% up
  21. 80api.magentlab.com/api/calc/dli_volumeShi 2020 donor whole-blood liters to process for a CD3+ DLI target: (recipient_weight_kg × cd3_target_per_kg × num_infusions) / (0.6 × donor_alc_per_ul × collection_efficiency × 1e6). Estimates CD3 as 60% of donor ALC. Caller assigns collection_efficiency in (0,1]; the paper used first-quartile 0.57. Deterministic published arithmetic with citation. Not an apheresis order; magent does not run a device or the paper's CD34 HPC algorithm.$0.005 $0.007 Base919 ms2 payers100% up
  22. 80api.magentlab.com/api/calc/cryoprecipitateCryoprecipitate bag estimate from the AABB Technical Manual calculation as reprinted in Nascimento 2011: 70 mL/kg blood volume, 250 mg fibrinogen per bag, bags = ceil(mg_fibrinogen / 250). Deterministic published arithmetic with citation. Not a transfusion order or major-haemorrhage protocol. The paper notes 100% recovery is likely false and fibrinogen per bag varies. magent does not choose a product or ABO group.$0.005 $0.007 Base836 ms2 payers100% up
  23. 80api.magentlab.com/api/calc/cpriSaisho 2011 CPR index: serum C-peptide (ng/mL) / plasma glucose (mg/dL) * 100, two decimals. timing fasting or postprandial (same formula; required label). below_best_cutoff true iff cpri < 2.02 (ROC for later insulin therapy; 80.8% sensitivity, 63.3% specificity). Glucose mg/dL only. Not HOMA-IR, not a diabetes diagnosis, not C-peptide alone, and not an insulin order.$0.005 $0.007 Base986 ms2 payers100% up
  24. 80api.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 Base957 ms2 payers100% up
  25. 80api.magentlab.com/api/calc/cciCorrected count increment (CCI) after platelet transfusion: (post - pre platelet count per uL) * BSA_m2 / (dose in 10^11). Davis 1999 Transfusion. Returns CCI and the uncorrected increment only. Caller supplies BSA; magent does not compute Nadler BSA from height/weight, assay platelets, emit a 5000 or 7500 refractoriness cutoff, or order a transfusion. Davis 1999 cautions CCI/PPR can distort comparisons of platelet products.$0.005 $0.007 Base659 ms2 payers100% up
  26. 80api.magentlab.com/api/calc/casLee 2020 Coronavirus Anxiety Scale from five caller-assigned integers 0-4 over the past two weeks (dizzy, sleep, paralyzed, appetite, nausea). magent does not interview the patient. 0 not at all, 1 rare less than a day or two, 2 several days, 3 more than 7 days, 4 nearly every day. Total 0-20. Returns screen_ge_9 (score ≥9; this paper 90% sensitivity and 85% specificity). Not a diagnosis, not GAD-7, and not extra mild/moderate bands.$0.005 $0.007 Base964 ms2 payers100% up
  27. 80api.magentlab.com/api/calc/atropine_opEddleston 2004 atropine maintenance infusion after atropinization. infusion_low_mg_h = 0.10 * atropine_load_mg; infusion_high_mg_h = 0.20 * atropine_load_mg. Caller supplies the total atropine loading milligrams already used to stabilize. Not doubling-bolus titration, not pralidoxime, not a prescription. magent does not diagnose organophosphate poisoning and does not choose loading boluses.$0.005 $0.007 Base828 ms2 payers100% up
  28. 80api.magentlab.com/api/calc/allowable_blood_lossGross 1983 dilution-corrected allowable blood loss from caller-supplied estimated blood volume and initial versus target hematocrit. Deterministic published arithmetic with citation. Not a transfusion trigger or order. Does not compute Nadler EBV; does not use the uncorrected EBV*(Hi-Hf)/Hi form.$0.005 $0.007 Base762 ms2 payers100% up
  29. 80api.magentlab.com/api/calc/acetylcysteine_ivIntravenous acetylcysteine milligrams from weight (Prescott 1979). load_mg = weight_kg * 150 over 15 minutes; infusion_4h_mg = weight_kg * 50 over 4 hours; infusion_16h_mg = weight_kg * 100 over 16 hours; total_mg = weight_kg * 300 over 20.25 hours. For acetaminophen (paracetamol) poisoning. Not a prescription, not a Rumack–Matthew nomogram, and not a plasma acetaminophen interpretation.$0.005 $0.007 Base648 ms2 payers100% up
  30. 80api.magentlab.com/api/calc/aap_tsbAAP 2022 Kemper KAS 10 intensive phototherapy threshold from Supplemental Tables 1 and 2 by completed GA, age in hours, TSB, and caller-assigned extra neurotoxicity risk factors. Linear interpolation between tabulated hours. Do not subtract conjugated bilirubin. Not a phototherapy order. magent does not assay TSB.$0.005 $0.007 Base588 ms2 payers100% up
  31. 80api.magentlab.com/api/calc/asa_physical_statusASA Physical Status Classification System (ASA House of Delegates 2014, last amended 2020). Caller-assigned class 1-6 plus optional emergency suffix E. Returns asa_label (e.g. 1 or 2E) and the published class definition. Classification alone does not predict perioperative risk. Not an anesthetic plan, not Gupta MICA, not Mallampati. magent does not examine the patient.$0.005 $0.007 Base985 ms2 payers100% up
  32. 80api.magentlab.com/api/calc/acr_eular_pmrACR/EULAR 2012 PMR classification (Dasgupta Table 4). Required: age 50–120, bilateral shoulder aching, abnormal CRP or ESR. Score morning stiffness >45 min 2, hip pain or limited ROM 1, RF or ACPA absent 2, other joint pain absent 1. Without ultrasound: max 6, classified iff ≥4. With ultrasound: add shoulder-and-hip 1 and both shoulders 1; max 8, classified iff ≥5. Not a diagnosis (not meant for diagnostic purposes). magent does not assay CRP/ESR/RF/ACPA or perform ultrasound.$0.005 $0.007 Base967 ms2 payers100% up
  33. 80intel.rallylive.ca/bulk/dnsBulk DNS lookup: up to 20 domains in one $0.01 call. For each: A records, MX records, nameservers, and whether SPF and DMARC exist. Batch domain checks for lead lists, portfolio audits and monitoring at a twentieth of the per-domain price.$0.01 $0.10 Base416 ms2 payers100% up
  34. 80intel.rallylive.ca/site/lead-cardLead card: a one-screen company summary for a CRM from just a domain: company name, one-line description, website, industry hints from keywords, size hints (domain age, tech stack breadth, SaaS vendors), social handles, contact emails, mail provider, location hints and a trust score. $0.01 per lead.$0.01 $0.05 Base397 ms2 payers100% up
  35. 80prediction-bot-iggf.onrender.com/shiftSentiment shift detector for Polymarket/Kalshi: current X score minus last cached score — catch narrative flips between agent polls. Lite discovery price $0.01 (aligns with Bazaar indexes).$0.01 $0.35 Base459 ms2 payers100% up
  36. 80fiatdock.com/s/svc_9805fe0d-2b72-4dd7-8ba9-a06649e4ff73Pay-per-call: Mythos Multi-Chain Gas Tracker$0.001 $0.005 Base478 ms2 payers100% up
  37. 80srv1553682.hstgr.cloud/fng/api/fear-greedCrypto Fear & Greed index: current value and classification plus 7-day history. Always-on, self-healing, verified onchain settlement. Source: Alternative.me.$0.0021 $0.0015 Base517 ms2 payers100% up
  38. 80x402.telnyx.com/v1/chat/completionsFrontier chat completions via Telnyx Inference (MiniMax M2.7). OpenAI-compatible. $0.002856 USDC per call — no API key, no signup, pay per request.$0.0029 $0.0072 Base329 ms2 payers100% up
  39. 80zerostart-agent.jack-labs.workers.dev/paid/brief-auditAudit short landing-page copy for clarity, outcome, call-to-action, and readable length.$0.01 $5000.00 Base816 ms2 payers100% up
  40. 80agdata.shveik.dev/x402/amazonKeyword search on Amazon.com (US store): up to 20 products per call, each filled in from its product page. Body: {query, limit}. The normalized object per product: asin, title, brand, price, list_price, currency, rating, reviews_count, in_stock, seller, image, url, description and the features bullet list. Good for price checks and product comparison.$0.113 $0.117 Base388 ms2 payers100% up
  41. 80agdata.shveik.dev/x402/google-mapsGoogle Maps places for a search term, optionally narrowed to an area: {"query":"coffee shops","location":"Prague","limit":5}. Up to 20 places per call. Each place comes back with title, categoryName, address, phone, website, totalScore (rating), reviewsCount, location (lat, lng), openingHours, price, placeId and its Maps url. Common uses are local lead lists, store and competitor mapping, and checking a business's hours or phone number.$0.0922 $0.0962 Base416 ms2 payers100% up
  42. 80agdata.shveik.dev/x402/youtubeYouTube video search by keyword, or the videos of one channel. Mode search takes keywords; mode profile takes a channel handle without the @. limit is 1-20 regular videos, no Shorts or live streams. Per video you get a normalized object: title, description, views, likes, comments_count, duration_seconds, published_at, thumbnail, url, channel_name, channel_url, channel_id, subscribers.$0.092 $0.096 Base427 ms2 payers100% up
  43. 80agdata.shveik.dev/x402/tiktokGet TikTok videos for a username, a hashtag or a search keyword. The body is {mode: profile|hashtag|search, query, limit} and limit runs 1-20. Records use the scraper's own field names: text, createTimeISO, playCount, diggCount (likes), commentCount, shareCount, webVideoUrl, hashtags, authorMeta (name, nickName, fans, verified), musicMeta and videoMeta.duration. A leading @ or # in the query is stripped.$0.0867 $0.0907 Base431 ms2 payers100% up
  44. 80agdata.shveik.dev/x402/instagramInstagram posts as JSON. Mode profile returns an account's posts, hashtag returns posts under a tag, and search or user take a keyword and scrape the best-matching hashtag or account. Send {mode, query, limit} with limit 1-20. Each post has a normalized object: caption, likes, comments_count, views, posted_at, media_type, media_url, hashtags, author, author_name, shortcode, url. No Instagram login or API key needed.$0.0647 $0.0687 Base421 ms2 payers100% up
  45. 80agents.daedalusdevelopmentgroup.com/v1/sla/declareDDG agent-payable service request$0.001 $0.01 Base501 ms2 payers100% up
  46. 80agents.daedalusdevelopmentgroup.com/v1/mail/inboxDDG agent-payable service request$0.002 $0.01 Base638 ms2 payers100% up
  47. 80agents.daedalusdevelopmentgroup.com/v1/enrich/emailDDG agent-payable service request$0.005 $0.01 Base402 ms2 payers100% up
  48. 80agents.daedalusdevelopmentgroup.com/v1/enrich/domainDDG agent-payable service request$0.005 $0.01 Base399 ms2 payers100% up
  49. 80agents.daedalusdevelopmentgroup.com/v1/inbox/messages/listDDG agent-payable service request$0.001 $0.01 Base405 ms2 payers100% up
  50. 80agents.daedalusdevelopmentgroup.com/v1/sla/reportDDG agent-payable service request$0.001 $0.01 Base408 ms2 payers100% up
  51. 80agents.daedalusdevelopmentgroup.com/v1/base64-codecDDG agent-payable service request$0.001 $0.01 Base430 ms2 payers100% up
  52. 80agents.daedalusdevelopmentgroup.com/v1/inbox/sendDDG agent-payable service request$0.004 $0.01 Base442 ms2 payers100% up
  53. 80agents.daedalusdevelopmentgroup.com/v1/mail/keys/lookupDDG agent-payable service request$0.001 $0.01 Base359 ms2 payers100% up
  54. 80agents.daedalusdevelopmentgroup.com/v1/json-validateDDG agent-payable service request$0.001 $0.01 Base359 ms2 payers100% up
  55. 80agents.daedalusdevelopmentgroup.com/v1/inbox/lookupDDG agent-payable service request$0.001 $0.01 Base356 ms2 payers100% up
  56. 80agents.daedalusdevelopmentgroup.com/v1/http-headersDDG agent-payable service request$0.001 $0.01 Base453 ms2 payers100% up
  57. 80agents.daedalusdevelopmentgroup.com/v1/dns-lookupDDG agent-payable service request$0.001 $0.01 Base415 ms2 payers100% up
  58. 80agents.daedalusdevelopmentgroup.com/v1/robots-checkDDG agent-payable service request$0.001 $0.01 Base360 ms2 payers100% up
  59. 80agents.daedalusdevelopmentgroup.com/v1/qr-codeDDG agent-payable service request$0.001 $0.01 Base663 ms2 payers100% up
  60. 80agents.daedalusdevelopmentgroup.com/v1/price-feedDDG agent-payable service request$0.001 $0.01 Base663 ms2 payers100% up
  61. 80agents.daedalusdevelopmentgroup.com/v1/language-detectDDG agent-payable service request$0.001 $0.01 Base514 ms2 payers100% up
  62. 80agents.daedalusdevelopmentgroup.com/v1/ip-geolocationDDG agent-payable service request$0.001 $0.01 Base566 ms2 payers100% up
  63. 80agents.daedalusdevelopmentgroup.com/v1/hash-computeDDG agent-payable service request$0.001 $0.01 Base496 ms2 payers100% up
  64. 80agents.daedalusdevelopmentgroup.com/v1/link-extractDDG agent-payable service request$0.002 $0.01 Base816 ms2 payers100% up
  65. 80agents.daedalusdevelopmentgroup.com/v1/fetch-as-markdownDDG agent-payable service request$0.002 $0.01 Base858 ms2 payers100% up
  66. 80agents.daedalusdevelopmentgroup.com/v1/run-proofDDG agent-payable service request$0.002 $0.01 Base529 ms2 payers100% up
  67. 80agents.daedalusdevelopmentgroup.com/v1/diff-textDDG agent-payable service request$0.002 $0.01 Base608 ms2 payers100% up
  68. 80agents.daedalusdevelopmentgroup.com/v1/threat-checkDDG agent-payable service request$0.005 $0.01 Base558 ms2 payers100% up
  69. 80agents.daedalusdevelopmentgroup.com/v1/summarizeDDG agent-payable service request$0.005 $0.01 Base681 ms2 payers100% up
  70. 80agents.daedalusdevelopmentgroup.com/v1/subdomain-enumerateDDG agent-payable service request$0.005 $0.01 Base556 ms2 payers100% up
  71. 80minia2a.uk/x402/http-analyzeHTTP header analysis. 🆓 5 free trial calls per signed wallet$0.001 $0.01 Base326 ms2 payers100% up
  72. 80proxy.suverse.io/v1/data/ip-geolocationIP geolocation lookup for the requesting IP. Returns country, region, city, timezone, ISP, ASN. Powered by ipwho.is. AI agent fraud detection, localization, geo-context API, IP-to-country, IP-to-city, pay-per-call USDC.$0.001 $0.05 Base792 ms2 payers100% up
  73. 80minia2a.uk/x402/prompt-templatesAI prompt template library.$0.001 $0.01 Base418 ms2 payers100% up
  74. 80x402.donnyautomation.com/treasuryUS Treasury par yield curve, every constant maturity from 1 month to 30 years for a published business day. Returns curve[] with tenor, months and percent, spreads (2s10s, 3m10y, 5s30s) and an explicit inversion flag - the real question is whether the curve is inverted, not what fourteen numbers are. A tenor Treasury did not publish is null, never zero. Pass ?latest=1 OR ?date=YYYY-MM-DD, not both. Errors: 400 conflicting_params|bad_latest|bad_date, 404 no_curve with the available range.$0.03 $0.01 Base545 ms1 payers100% up
  75. 80foundry-par007-machine-revenue-mainnet.inference-chip-index.workers.dev/v2/official/nhtsa-vin-decodeDecode vehicle VIN attributes$0.005 $0.003 Base775 ms1 payers100% up
  76. 80x402.donnyautomation.com/edgar/eventsForm 8-K material events for one issuer SINCE a cursor, each item code decoded to the title SEC prints (2.02 Results of Operations, 5.02 Departure of Directors, 1.05 Cybersecurity Incidents). Requires ?since=YYYY-MM-DD AND ?ticker= or ?cik=. Optional ?items=1.01,5.02 (matches ANY), ?limit=1..200. Errors: 400 missing_since|missing_issuer|bad_items, 404 unknown_ticker|unknown_cik, 502 edgar_unavailable, 503 rate_limited_locally. AN EMPTY DELTA IS CHARGED. Every form: /edgar/filings.$0.05 $0.01 Base430 ms1 payers100% up
  77. 80api.17711.xyz/registry/web-scraper/v1/web-scraper/scrape_urlWeb scraper: fetches any URL through a proxy and returns its status, content type and raw HTML$0.004 Base552 ms1 payers75% up
  78. 80api.17711.xyz/registry/web-scraper/v1/web-scraper/extract_markdownWeb scraper to Markdown: fetches a URL and returns its main article content as clean Markdown$0.004 Base381 ms1 payers75% up
  79. 80api.17711.xyz/registry/extract-correct-service/v1/extract-correct/parse_jsonJSON repair: extracts structured JSON from messy text or LLM output, optionally validating and auto-correcting it against a JSON Schema$0.006 Base559 ms1 payers75% up
  80. 80api.17711.xyz/registry/emoji-match-service/v1/emoji-match/suggest_emojisEmoji suggester: picks 1-5 emoji matching a text (18 languages, English/French best), no LLM$0.002 Base548 ms1 payers75% up
  81. 80api.17711.xyz/registry/ping-service/v1/pingx402 client test and health check: pay, get an echo back plus the server pid$0.002 Base544 ms1 payers75% up
  82. 80api.17711.xyz/registry/websearch/v1/websearch/search_webWeb search API: searches the web through a proxy and returns result titles, URLs and snippets$0.009 Base524 ms1 payers75% up
  83. 80api.17711.xyz/registry/ip-blocklist/v1/ip-blocklist/checkChecks whether an IPv4 address appears on any of several public IP blocklists ($0.002, x402)$0.002 $0.01 Base469 ms1 payers100% up
  84. 80fronterasignal.com/api/v1/issueUse when you need a written weekly briefing on Rio Grande Valley construction (permits, materials, labor, housing supply, major projects) in English or Spanish, as structured JSON with headline, key figures, chart data and full text. Pass week=YYYY-Www for a past issue.$0.50 $0.25 Base671 ms1 payers100% up
  85. 80fronterasignal.com/api/v1/series/permits-weeklyUse when you need building-permit activity for Rio Grande Valley cities (McAllen, Edinburg, Pharr, Mission, Weslaco, Brownsville, Harlingen and others) by ISO week and permit class, to judge local construction demand before a lending, supply or market-entry decision. DARK means the city did not publish that week.$0.25 $0.05 Base308 ms1 payers100% up
  86. 80fronterasignal.com/api/v1/series/cost-basket-weeklyUse when you need the recent direction and level of construction inputs priced for South Texas: framing lumber, studs, OSB, drywall, rebar, copper, Gulf Coast diesel, the 30-year mortgage rate and construction PPI. Weekly, dated, ranged. Not a bid or quote.$0.25 $0.05 Base308 ms1 payers100% up
  87. 80api.botx402.io/api/v1/agent/inventory-reorder/runReorder plan from your SKU sales, stock and lead times: what to order now, how many, what is overstocked, where cash is stuck. PDF + JSON.$0.01 $19.00 Base341 ms1 payers100% up
  88. 80http--forest-gas-station--lcjl27p8lmjs.code.run/release/checksumFind checksum/signature companion assets for a release asset.$0.002 Base Sepolia143 ms1 payers67% up
  89. 80odds.rjhsignaltech.workers.dev/v1/chatFast LLM answer for one prompt (Llama 3.1 8B) via GET q=: summarize, classify, rewrite, draft, answer; plain text up to 400 tokens, optional system instruction. cheap LLM inference for agents, no API key$0.001 $0.002 Base369 ms1 payers100% up
  90. 80ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/gasMileageSavingsCalculatorGas mileage savings calculator. Compares annual fuel cost between two gas-powered vehicles based on miles driven, gas price, and each vehicle's MPG, and computes the break-even point for any price premium of the more efficient vehicle.$0.01 Base218 ms1 payers67% up
  91. 80ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/electricCarSavingsCalculatorElectric car savings calculator. Compares annual electricity cost against annual gas cost for a comparable gas vehicle, accounting for free-charging usage, and computes break-even years, cost per full charge, and gas-price-equivalent effective MPG.$0.01 Base99 ms1 payers67% up
  92. 80seenly-payload-check.vercel.app/api/checkPayload Check: data-quality filter for agents. Send any payload (tool/API output, scraped page, LLM answer, generated code, JSON, CSV) and get a 0-100 quality score, pass/warn/fail, tags and concrete issues: invalid or truncated JSON (with auto-repair), JSON Schema mismatches, syntax errors, bot-challenge/captcha/404 scrapes, LLM refusals, placeholders, repetition loops, mojibake. Deterministic, no LLM, payload not stored.$0.01 $0.03 Base392 ms1 payers100% up
  93. 80bob.assimilatethis.com/researchAsk any factual or market-research question. Searches the live web with Tavily and Exa, extracts the most relevant page with Firecrawl, and returns a short synthesized answer with source URLs. Typical response 4 to 8 seconds. If it cannot answer in time you get an error and are not charged.$0.05 $0.01 Base442 ms1 payers100% up
  94. 80sol.mapleai.shop/v1/chat/completionsOpenAI-compatible chat completion, priced by counted input tokens + max output tokens at per-model rates$0.001 $0.002 Solana626 ms1 payers100% up
  95. 80base.mapleai.shop/v1/chat/completionsOpenAI-compatible chat completion, priced by counted input tokens + max output tokens at per-model rates$0.001 $0.0025 Base534 ms1 payers100% up
  96. 80agent-carrier-verify.iykykblog.workers.dev/verifyVerify a freight carrier by DOT or MC number$0.15 $0.10 Base314 ms1 payers100% up
  97. 80amanchain-relay.gitajhd.workers.dev/api/x402/aman-agent-rosterAgent roster — all AI agents registered on the network with their service offerings; agent discovery API. Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay per call via x402 (USDC on Base), no account, no API key. POST JSON {"serviceId":"aman-agent-roster","request":"<input>"}.$0.0025 $0.0025 Base937 ms1 payers100% up
  98. 80amanchain-relay.gitajhd.workers.dev/api/x402/aman-explorer-summaryBlock explorer summary — latest blocks with transaction counts and mempool size; chain head monitor. Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay per call via x402 (USDC on Base), no account, no API key. POST JSON {"serviceId":"aman-explorer-summary","request":"<input>"}.$0.0037 $0.0037 Base525 ms1 payers100% up
  99. 80amanchain-relay.gitajhd.workers.dev/api/x402/aman-block-inspectBlock inspector — full block detail by height: hash, miner, timestamp and the complete transaction list. Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay per call via x402 (USDC on Base), no account, no API key. POST JSON {"serviceId":"aman-block-inspect","request":"<input>"}.$0.0037 $0.0037 Base852 ms1 payers100% up
  100. 80amanchain-relay.gitajhd.workers.dev/api/x402/aman-gas-trackerGas tracker and mempool monitor — average fee over the last 20 blocks, burn rate and live network congestion level. Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay per call via x402 (USDC on Base), no account, no API key. POST JSON {"serviceId":"aman-gas-tracker","request":"<input>"}.$0.0037 $0.0037 Base992 ms1 payers100% up