x402watch

52,001 paid endpoints are listed. 30,186 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 06:17 UTC · 52,001 probed

30,186 answering 40217,480 down3,440 rejecting895 no paywall1,680 price drift
  1. 81ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/cronParseComputes the next N run times for a standard 5-field cron expression, avoiding the mental cron-schedule simulation an LLM often gets subtly wrong.$0.01 Base100 ms2 payers69% up
  2. 81ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/semverCompareCompares two semantic version strings and reports which is greater, lesser, or equal, using the standard semver comparison rules.$0.01 Base386 ms2 payers76% up
  3. 81ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/unitConvertUnit conversion for length, mass, volume, and temperature using exact conversion factors (temperature uses the correct affine formulas, not simple multiplication).$0.01 Base586 ms2 payers76% up
  4. 81http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/canonical-productResolve a public product redirect, canonical URL and stable provider identifiers using bounded HTTP and structured data. It does not execute JavaScript or assert unavailable facts. Base mainnet USDC$0.002 Base584 ms2 payers77% up
  5. 81ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/windfallFireImpactCalculatorWindfall impact on FIRE timeline calculator. Runs the FIRE net-worth simulation twice — with and without a one-time lump sum added at a given year — and reports how many years the windfall shaves off your time to financial independence.$0.01 Base595 ms1 payers76% up
  6. 81ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/cashOnCashReturnCalculatorCash-on-cash return calculator for real estate investing. Runs a full multi-year deal analysis (per-category rent/expense growth, a sale scenario, IRR) and headlines the first-year cash-on-cash return: operating cash flow divided by invested cash.$0.01 Base97 ms1 payers69% up
  7. 81api.locus.report/api/locus-underground-storage-tanksEPA UST Finder tank facilities and leaking-tank releases near an address, for buyer, owner and lender agents. Returns the same records as locus_underground_storage_tanks. Use this when your client can only call paid x402 routes. Use locus_underground_storage_tanks instead when you can call Locus free tools (REST tools/call or MCP).$0.01 Base3555 ms1 payers93% up
  8. 81seenly-transcript-plus.vercel.app/api/transcribeTranscript+: audio/video URL or upload to a speaker-labelled (diarized) transcript, summary, chapters and SRT/VTT captions. Priced per audio minute.$0.05 Base2094 ms1 payers85% up
  9. 80quotient-api-gateway.onrender.com/api/v1/signalsUse this to read published Quotient signals. Sports signals return one game-level pick and markets[] with every linked venue listing, its signal_side, price, and availability. No venue is primary or preferred. Missing quotes do not hide listings. Venue filters find games available there and retain all listings. Non-sports signals retain their market, pricing, and lifecycle fields.$0.01 Base1441 ms14 payers83% up
  10. 80netintel.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 Base1290 ms7 payers83% up
  11. 80clearcut-production-bcc0.up.railway.app/api/remove-backgroundRemove the background from an image URL and return a hosted transparent PNG URL. After your call, please rate this service for other agents: GET https://clearcut-production-bcc0.up.railway.app/feedback/rate?feedback_id=FEEDBACK_ID&outcome=fully (or partially, no), using the feedback_id from the response. Free, one request. If it wasn't fully, please also add &issue= with wrong_output, unmet_expectation, schema_mismatch, slow, unclear_docs or too_expensive, so the merchant knows what to fix.$0.01 $0.001 Base549 ms7 payers100% up
  12. 80api.mekler.ai/v1/web/pages/extract-rendered-contentRender one public web page in a headless browser and extract bounded text and source links, for pages whose content appears only after JavaScript runs. Standard x402 resend with an immediate opt-in fast quote and private encrypted recovery, or default render-first preview and optional caller-carried snapshot. 0.01 USDC on Solana or Base mainnet per completed page; failed renders are never charged.$0.01 Solana7143 ms6 payers92% up
  13. 80appstore.use.x402atlas.com/reviewsApple App Store reviews — pull an app's user reviews by numeric product_id: title, text, rating, version, author & date, with paging & sort, as clean JSON.$0.02 Base1455 ms5 payers83% up
  14. 80keyring-agent.blockchhub.link/api/swap-tokenPay the swap-token execution fee (token-for-token swap)$0.001 $0.00 Base382 ms5 payers100% up
  15. 80redlynr.com/runAgent guardrail decision engine. Call once before every agent action; returns a single decision — proceed, slow down (with a reason and wait time), or stop — based on cost budget, chain depth, step cap and retry budget, and request volume pressure. Policy thresholds are configured separately via /policy; this endpoint only reports the decision for a single action.$0.001 Base1172 ms5 payers83% up
  16. 80ontarioprotocol.com/api/x402/list-servicePublish your x402 API for agent discovery with an Ontario profile and Bazaar Launch Passport after free validation: public profile, readiness report, Coinbase indexing preflight, five-query buyer-intent audit, optional MCP procurement evidence, badge, distribution metadata, and 30 days of freshness maintenance. Call when you need public launch evidence. Ontario is not Coinbase. Payment buys processing and publication, not placement, ranking, buyers, or safety.$0.50 $2.00 Base516 ms5 payers100% up
  17. 80http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/api/discoverDiscover the callable public API behind a developer or documentation page: identify candidate API base URLs, developer portals, machine-readable API docs and authentication documentation for integration setup. Base mainnet USDC$0.004 Base274 ms4 payers67% up
  18. 80api.nohumans.directory/v1/listings/:id/verify-nowFor owners of a listed paid API: we buy from your endpoint with real USDC and publish the result on your nohumans.directory listing, whatever it finds. Plan "single": one purchase within 24 hours. Money decides when we buy, never the outcome, score or rank. Send your claim token as x-claim-token. Fee $3.00; this listing quotes $0.5000/call. Other plan: ?plan=pack ($5, three purchases in 30 days). Rule: https://nohumans.directory/methodology#verify-now$3.00 $2.00 Base574 ms4 payers100% up
  19. 80api.magentlab.com/api/calc/canriskRobinson 2011 Table 3 pCANRISK (not eCANRISK). Age 0/7/13/15; male 6; BMI 0/4/9/14; waist 0/4/6 by sex; inactivity 1; no daily fruit/veg 2; high BP 4; high glucose 14; macrosomia 1 (women); family first-degree categories ×2; caller-assigned ethnicity White 0 Aboriginal 3 Black 5 East Asian 10 South Asian 11; education 5/1/0. Max 81 F/86 M. Cutoffs 21, 29, 32, 33, 43. Not a diagnosis.$0.005 $0.007 Base336 ms4 payers100% up
  20. 80defi.hugen.tokyo/defi/chainsList all blockchain networks supported by this API's security scanning — Ethereum, BSC, Polygon, Arbitrum, Base, Optimism, Avalanche, Fantom, Solana, and 20+ chains with chain IDs and names. Accepts USDC payments on Base and Solana$0.005 $0.01 Base648 ms4 payers100% up
  21. 80vape-x402.vapex402.workers.dev/data/dex_volumesVAPE dex_volumes — DEX trading volume on a chain by venue, each with its logo (default Base) — real trading activity across the chain's exchanges.$0.01 Base2005 ms3 payers83% up
  22. 80vape-x402.vapex402.workers.dev/data/treasuryVAPE treasury — A protocol's on-chain treasury composition — total USD, own-token USD, and the own-token share (a treasury that's ~all its own token is a fragility signal).$0.01 Base1029 ms3 payers83% up
  23. 80toolcall.click/t/time/holidaysPublic holidays for any country and year, plus optional business-day checking. Pass country= (ISO alpha-2) and year=; add date= to learn whether that day is a business day, whether it is a weekend or public holiday, the holiday name, and the next business day. Covers 100+ countries. JSON response. $0.01 USDC per call, pay via x402, no API key.$0.01 Base1058 ms3 payers83% up
  24. 80ozmium.org/v1/signalsEXPERIMENTAL / WIP- an early, unproven BUY/SELL signal feed (no established out-of-sample edge, not advice); corroborate with news + cross-asset context before acting. Full details: GET /v1.$0.001 Base1610 ms3 payers83% up
  25. 80api.brazilayer.com/v1/commodities/hidrologiaBrazil stored hydro energy (EAR) by grid subsystem, daily from the official grid operator (ONS), with 7-day delta. Brazil is hydro-dependent: reservoir levels drive power prices, aluminum/industrial costs and drought narratives. A compact energy-risk gauge for one of the world largest grids. Free sample, no payment: https://api.brazilayer.com/v1/commodities/amostra$0.002 Base1862 ms3 payers83% up
  26. 80x402.agentutility.ai/weatherCurrent conditions and forecast for any latitude/longitude. Returns present weather plus a 1-7 day daily forecast (temp max/min, precipitation, sunrise/sunset, UV index) and an optional hourly forecast. A simple weather API on the Open-Meteo backend.$0.002 Base40 ms3 payers67% up
  27. 80x402.agentindex.world/llm/claude-sonnetllm/claude-sonnet$0.0113 $0.0019 Base396 ms3 payers100% up
  28. 80api.magentlab.com/api/calc/rhigACOG Practice Bulletin 181 RhD immune globulin vial arithmetic. fmh_ml = fetal_cells_percent/100 * maternal_blood_volume_ml. One 300 microgram vial covers 30 mL Rh D-positive fetal whole blood. AABB Technical Manual rounding: if frac(fmh_ml/30) >= 0.5 round up then add one vial; if < 0.5 round down then add one. Minimum 1 vial. Caller assigns Kleihauer–Betke percent and maternal volume; magent does not read slides. Not a prescription or brand order.$0.005 $0.007 Base581 ms3 payers100% up
  29. 80api.magentlab.com/api/calc/rieteRIETE (bulk)$0.005 $0.007 Base959 ms3 payers100% up
  30. 80api.magentlab.com/api/calc/ripHevesi 2019 Recurrent Instability of the Patella (RIP) after first-time dislocation. Age <25 scores 2; skeletal immaturity / open physes 1; trochlear dysplasia Dejour A–D (caller-assigned present) 1; TT-TG/PL ratio ≥0.5 scores 1. Max 5. Bands 0–1 low, 2–3 intermediate, 4+ high (10-year recurrent instability 0.0%, 30.6%, 79.2%). Not a surgical order. Not Balcarek 2013 or later PIP models. magent does not read radiographs.$0.005 $0.007 Base762 ms3 payers100% up
  31. 80api.magentlab.com/api/calc/riskeOlmos 2017 RISK-E (Risk-Endocarditis) for in-hospital mortality after cardiac surgery in active left-sided IE. Age <=51: 0; 52-63: 9; 64-72: 13; >=73: 14. Flags: prosthetic_infection +6, periannular_complications +5, staphylococcus_aureus_or_fungi +9, acute_renal_failure +5, septic_shock +7, cardiogenic_shock +15, thrombocytopenia +7. Returns score and max_score 68 only. Not a diagnosis or surgery decision. magent does not examine the valve or read echo.$0.005 $0.007 Base725 ms3 payers100% up
  32. 80api.magentlab.com/api/calc/rmiJacobs 1990 risk of malignancy index: RMI = U × M × CA125 (U/ml). Caller assigns ultrasound_score 0, 1, or 3 (never 2) and postmenopausal (M=3 if true, else 1). Returns rmi to 1 decimal and exceeds_200 (true if RMI > 200). Not an ovarian-cancer diagnosis and not later RMI-2 or RMI-3.$0.005 $0.007 Base523 ms3 payers100% up
  33. 80api.magentlab.com/api/calc/rockall_prePre-endoscopy Rockall (bulk)$0.005 $0.007 Base850 ms3 payers100% up
  34. 80api.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 Base974 ms3 payers100% up
  35. 80api.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 Base894 ms3 payers100% up
  36. 80api.magentlab.com/api/calc/rome_iv_globusAziz 2016 Rome IV esophageal globus. rome_iv_globus is true iff nonpainful lump or foreign-body sensation, occurrence between meals, no dysphagia or odynophagia, no gastric inlet patch, not explained by GERD or EoE, no major esophageal motor disorder, last-3-months criteria, and 6-month onset. Caller assigns eight flags. magent does not examine the patient or read endoscopy. Not a diagnosis, not functional heartburn, not Rome IV IBS, not CHS.$0.005 $0.007 Base957 ms3 payers100% up
  37. 80api.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 ms3 payers100% up
  38. 80api.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 Base876 ms3 payers100% up
  39. 80api.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 Base763 ms3 payers100% up
  40. 80api.magentlab.com/api/calc/score2ESC 2021 SCORE2 10-year fatal plus non-fatal CVD percent for age 40-69 from sex, current smoking, systolic BP, non-HDL cholesterol, and European geographic risk region (low, moderate, high, very_high). Published sex-specific coefficients and region scale1/scale2. Not SCORE2-OP, not SCORE2-Diabetes, not 2013 PCE, not Reynolds, not a diagnosis or statin order. magent does not assay lipids.$0.005 $0.007 Base879 ms3 payers100% up
  41. 80api.magentlab.com/api/calc/serum_osmolalitySerum osmolality (bulk)$0.005 $0.007 Base925 ms3 payers100% up
  42. 80api.magentlab.com/api/calc/scormaHeide 2001 SCORMA: extent_percent/5 + 5*intensity_sum + 2*symptom_sum/5. Extent 0-100 (diffuse cutaneous mastocytosis is 100). Four intensity signs 0-3 (pigmentation, vesiculation, elevation/induration, Darier's sign). Five symptoms 0-10 (flushing, provocation factors, diarrhoea, bone pain, pruritus). Max 100. magent does not examine the skin. Not a diagnosis, WHO/ICC criteria, REMA, or tryptase.$0.005 $0.007 Base881 ms3 payers100% up
  43. 80api.magentlab.com/api/calc/sg_portJacobs 2022 Table 3 Cox linear predictor for overall survival after resected major salivary gland cancer with versus without postoperative radiotherapy. Age per 10 years by PORT, male, Charlson-Deyo per point, gland, PORT by T stage, nodal-positivity ratio band, grade step, and positive margin as ln(HR). Not a 2-/5-/10-year OS percent (no printed S0). Not a radiation order. magent does not compute Charlson-Deyo or count nodes.$0.005 $0.007 Base927 ms3 payers100% up
  44. 80api.magentlab.com/api/calc/sickle_rbc_exchangeNadler 1962 adult blood volume plus exponential remaining-fraction washout (Y/Y0 = e^(−X)) for sickle RBC exchange replacement pRBC volume. FCR = target_hbs / initial_hbs; X = −ln(FCR). Caller supplies hematocrits and HbS percents. Optional approx units if unit_volume_ml is sent. Deterministic published arithmetic. Not an apheresis order or medical device.$0.005 $0.007 Base401 ms3 payers100% up
  45. 80api.magentlab.com/api/calc/sichCucchiara 2008 sICH after rtPA for ischemic stroke. Four caller-assigned 1-point flags: age >60, baseline NIHSS >10, baseline glucose >150 mg/dL (8.325 mmol/L), platelets <150,000/mm3. Total 0-4. Any ICH 2.6/9.7/15.1/37.9% for scores 0/1/2/>=3 (scores 3 and 4 share 37.9). magent does not assay glucose or platelets or compute NIHSS. Not a tPA order and not a hemorrhage diagnosis.$0.005 $0.007 Base844 ms3 payers100% up
  46. 80api.magentlab.com/api/calc/simplified_bishopLaughon 2011 simplified Bishop score from three caller-assigned Bishop 1964 integers: dilation, station, and effacement (each 0-3; max 9). Paper bins: dilation 0 / 1-2 / 3-4 / 5-6 cm; station -3 / -2 / -1 or 0 / +1 or +2; effacement 0-30 / 40-50 / 60-70 / 80%. favorable iff score >5 (Laughon compared with original Bishop >8; PPV 87.7% in that paper). magent does not examine the cervix or add consistency or position. Not a cervical exam or induction order.$0.005 $0.007 Base441 ms3 payers100% up
  47. 80api.magentlab.com/api/calc/sirsSIRS (bulk)$0.005 $0.007 Base967 ms3 payers100% up
  48. 80api.magentlab.com/api/calc/steroid_conversionGlucocorticoid dose conversion (bulk)$0.005 $0.007 Base669 ms3 payers100% up
  49. 80api.magentlab.com/api/calc/stool_osmotic_gapEherer–Fordtran 1992 fecal osmotic gap: stool osmolality minus 2×(stool Na + stool K). Assumed stool osm 290 mOsm/kg when measured osm is omitted. Deterministic published arithmetic with citation; not a diagnosis of osmotic versus secretory diarrhea.$0.005 $0.007 Base692 ms3 payers100% up
  50. 80api.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 Base798 ms3 payers100% up
  51. 80api.magentlab.com/api/calc/vacoKing 2020 VACO Index logistic 30-day all-cause mortality from age, sex, caller-assigned unadjusted Charlson comorbidity index, and history of myocardial infarction or peripheral vascular disease. Supplement S3 coefficients. Age 85 or older uses the published combined CCI term. Not VACS Index 1.0 or 2.0, not a diagnosis, and not a treatment order.$0.005 $0.007 Base957 ms3 payers100% up
  52. 80api.magentlab.com/api/calc/vexusBeaubien-Souligny 2020 VExUS C only (not A, B, D, or E). Caller-assigned ivc_dilated (IVC ≥2 cm) plus hepatic, portal, and intra-renal Doppler each normal, mild, or severe. Grade 0 if the IVC is not dilated; 1 if dilated with zero severe patterns; 2 if exactly one severe; 3 if two or more are severe. magent does not perform ultrasound. Not an AKI diagnosis or a fluid-order. Not a medical device.$0.005 $0.007 Base809 ms3 payers100% up
  53. 80api.magentlab.com/api/calc/vocal_pennMahmud 2021 VOCAL-Penn 30-day postoperative mortality logistic for cirrhosis. log_odds = -5.472096 + 1.061725*ASA + 0.927904*emergency + surgery dummies (laparoscopic abdominal reference) + Stata 3-knot RCS albumin (2.7, 3.7, 4.4) and platelets (75, 152, 271) + 0.1448936*bilirubin - 0.7541669*obesity + 0.8268748*NAFLD. Percent to 1 decimal. Not a surgical order. magent does not assign ASA or read labs.$0.005 $0.007 Base754 ms3 payers100% up
  54. 80api.magentlab.com/api/calc/websterWebster 1968 rating scale: ten caller-assigned integers 0-3 (bradykinesia, rigidity, posture, upper_extremity_swing, gait, tremor, facies, seborrhea, speech, self_care). magent sums only (max 30) and does not examine the patient. Score only; magent does not invent mild/moderate/severe total-score bands. Historical 10-item 0-30 sum. Not MDS-UPDRS and not a Parkinson diagnosis. Not a medical device.$0.005 $0.007 Base594 ms3 payers100% up
  55. 80api.magentlab.com/api/calc/west_havenWest Haven / Conn hepatic encephalopathy grade 0-4 (Conn 1977). Deterministic published grade with citation. Not a diagnosis; magent does not examine the patient or apply ISHEN covert/overt or psychometric minimal-HE tests.$0.005 $0.007 Base686 ms3 payers100% up
  56. 80api.magentlab.com/api/calc/whrWaist–hip ratio from waist and hip circumference (WHO 2011 expert consultation). WHR = waist_cm / hip_cm after the same unit normalize; optional inches convert as cm = in * 2.54. Deterministic published arithmetic with citation. Not a medical device, body-fat diagnosis, or cardiovascular diagnosis; magent does not apply obesity or sex-specific cutoffs and does not measure the patient.$0.005 $0.007 Base849 ms3 payers100% up
  57. 80api.magentlab.com/api/calc/wound_classCDC/HICPAC surgical wound classification Class I-IV as assigned by the caller (Mangram 1999 Table 7). Returns wound_class, class_label (e.g. I/Clean), and the published Table 7 description. magent does not inspect the wound. Not SSI percentage rates (not in Table 7). Not a diagnosis of infection. Not antimicrobial prophylaxis selection. Not a medical device.$0.005 $0.007 Base790 ms3 payers100% up
  58. 80api.magentlab.com/api/calc/wpssMalcovati 2007 WPSS for MDS: WHO category (RA/RARS/5q- 0, RCMD/RCMD-RS 1, RAEB-1 2, RAEB-2 3), IPSS karyotype (good 0, intermediate 1, poor 2; caller assigns the three-group class), regular RBC transfusion 1 (at least one every 8 weeks over 4 months); max 6. very_low 0 through very_high 5–6. Not IPSS-R, not IPSS 1997, not DIPSS. magent does not karyotype or assign WHO category.$0.005 $0.007 Base676 ms3 payers100% up
  59. 80www.watchevelive.com/stampEve’s current one-line paper pick on a live Polymarket market. $0.05 USDC. A stamp is a read; it does not sit a ticket. Omit q for her current pick.$0.05 $50.00 Base761 ms3 payers100% up
  60. 80agdata.shveik.dev/x402/redditSearch Reddit or read a subreddit. Use mode hashtag with a subreddit name (no r/), profile with a username, or search with keywords, plus limit 1-20. Every record carries a normalized object with kind, title, body, author, subreddit, url, created_at, upvotes and comments_count. Comments are not fetched. upvotes and comments_count can be null, and subreddit mode may return the subreddit's own record (kind: community) with its description.$0.0495 $0.0535 Base470 ms3 payers100% up
  61. 80api.eucompliance.tools/x402/chatLLM completion per call, no account and no API key: POST a prompt (or a messages array) and get the model answer as JSON. Hard caps disclosed in every response (6,000 UTF-8 bytes in, 750 tokens out on this tier). Fixed price per call, signed receipt included so the answer stays auditable. Larger tier at /x402/chat-plus.$0.005 Base3006 ms3 payers97% up
  62. 80agents.daedalusdevelopmentgroup.com/v1/pdf-extractDDG agent-payable service request$0.005 $0.01 Base339 ms3 payers100% up
  63. 80alphavantage.x402.paywithlocus.com/alphavantage/earnings-call-transcriptLocus public pay-per-use API$0.008 Base414 ms3 payers80% up
  64. 80vape-x402.vapex402.workers.dev/data/yieldsVAPE yields — Yield pools filtered by chain/project/symbol, ranked by TVL, with apy/apyBase/ilRisk/exposure — enough to tell a real yield venue from a trap (huge APY + tiny TVL = red flag).$0.01 Base1304 ms2 payers83% up
  65. 80kino402.com/v1/audio/ttsElevenLabs TTS: 29 characters, voice 21m00Tcm4TlvDq8ikWAM$0.007 Base1317 ms2 payers83% up
  66. 80api.brazilayer.com/v1/desmatamento/rankingWhere Brazilian deforestation is concentrated right now: rank municipalities or states by area cleared in a window you choose, filterable by biome (Amazon or Cerrado), from official INPE satellite alerts. Feeds ESG screening, carbon-project integrity checks and commodity-origin risk. Free sample, no payment: https://api.brazilayer.com/v1/desmatamento/amostra$0.01 Base1554 ms2 payers83% up
  67. 80api.zkrobotics.fr/x402/fun/pirate-complimentAllTheBot Pirate compliment$0.003 $0.002 Base787 ms2 payers100% up
  68. 80factline.dev/v1/postcode/addressesAll official addresses in a Dutch 6-character postcode (BAG), with house letters, additions, BAG ids and coordinates.$0.005 Base415 ms2 payers75% up
  69. 80factline.dev/v1/crimeIs this Netherlands neighbourhood safe? Police-registered crime (criminaliteit) for any Dutch postcode or CBS buurt code: total, home burglary, bicycle theft, vehicle crime, violence and vandalism, as counts and per 1,000 residents, with the national rate and a ratio. Safety and risk data for relocation, real estate, insurance and travel agents. Source: Politie open data, CBS.$0.003 Base113 ms2 payers67% up
  70. 80attest.tollkit.dev/attestSigned, timestamped proof of what a page contained at a moment in time$0.25 $0.05 Base971 ms2 payers100% up
  71. 80x402.ochinimus.app/api/liq-heatmapLiquidation heatmap by PRICE LEVEL: where leverage actually got flushed in the last N hours — USD, prints and long/short split per price zone, with the hottest zone flagged. Use when you need to answer: At which price levels did leverage actually get flushed? Built from real liquidation prints, not entry-price estimates.$0.05 $0.02 Solana341 ms2 payers100% up
  72. 80openai.mm.family/x402/v1/models/gpt-5.6-sol/chat/completionsgpt-5.6-sol chat completion (x402 paid)$0.001 $0.001 Base574 ms2 payers100% up
  73. 80shop.netlobo.com/v1/chat/completionsOpenAI-compatible chat completions (abliterated LLM). POST the standard {"model","messages"} body; answered in <= 512 tokens.$0.01 $0.005 Base802 ms2 payers100% up
  74. 80www.blockchainiq.co/api/x402/v1/dashboards/:slugCrypto analytics dashboard data with an analyst read on each chart. Pick one by slug: market-overview, on-chain-metrics, defi-tvl-and-yields, stablecoin-story, tokenized-rwas, leverage-and-derivatives, liquidity-and-venues, volatility-and-execution, corporate-treasuries, crypto-fundraising, exploit-losses, xrp-ledger, bitcoin-network, ethereum-network, base-network, arbitrum-network, aptos-network, provenance-network, bnb-network. Every panel as JSON. $0.25 per call. Blockchain IQ.$0.25 $0.05 Base453 ms2 payers100% up
  75. 80base.mapleai.shop/jevJev structured decisions via SystemOne, priced by input tokens$0.001 $0.0025 Base537 ms2 payers100% up
  76. 80smartcontractexplainer.onrender.com/api/check-walletCheck an EVM wallet's live token/NFT approvals and get a plain-language verdict (SAFE, CAUTION or RISK) with an explanation$0.10 $0.04 Base339 ms2 payers100% up
  77. 80tenjin.sh/api/read/:handle/:slugPay-per-read pieces by independent publishers. Find one by question first: POST https://tenjin.sh/api/search is free and returns payable candidates or an honest MISS. The 402 carries a free preview; pay it for the full text JSON. Agent guide: https://tenjin.sh/llms.txt. Full catalog: https://tenjin.sh/.well-known/x402$0.01 $0.10 Base499 ms2 payers100% up
  78. 80http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/mcp/preflightRead-only MCP handshake/tools-list preflight; no destructive tool calls. Base mainnet USDC$0.004 Base265 ms2 payers67% up
  79. 80http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/product-stateNormalize a public product URL into current title, selected variant, price, currency, availability and buyability. Uses bounded read-only provider responses or JSON-LD; it never buys, logs in or guarantees unpublished stock. Base mainnet USDC$0.003 Base268 ms2 payers67% up
  80. 80http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/job/form-schemaReturn structured application fields/questions where publicly exposed. Base mainnet USDC$0.004 Base285 ms2 payers67% up
  81. 80http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/job/apply-routeReturn the current public application route; do not submit application. Base mainnet USDC$0.002 Base204 ms2 payers67% up
  82. 80tanod.dev/v1/qrutilpeek (Tanod) QR code: an SVG or PNG QR code image for up to 2,000 characters of text or a URL.$0.001 Base266 ms2 payers67% up
  83. 80tanod.dev/v1/markdownutilpeek (Tanod) Markdown to HTML: CommonMark or GFM rendered and sanitized (allow-list).$0.001 Base278 ms2 payers67% up
  84. 80tanod.dev/v1/chain/blockGet the latest block header on Ethereum or Base (chainpeek)$0.001 Base298 ms2 payers67% up
  85. 80tanod.dev/v1/rdapWHOIS (RDAP) lookup of a domain, IP address or AS number (dnspeek)$0.002 Base300 ms2 payers67% up
  86. 80tanod.dev/v1/metaGet a web page's metadata: title, Open Graph, feeds, JSON-LD (sitepeek)$0.002 Base259 ms2 payers67% up
  87. 80tanod.dev/v1/linksList the links on a web page and optionally check each for broken links (sitepeek)$0.002 Base271 ms2 payers67% up
  88. 80tanod.dev/v1/image/resizeResize an image (fit inside, contain, cover or fill) (imagepeek)$0.002 Base255 ms2 payers67% up
  89. 80tanod.dev/v1/headerssitepeek (Tanod) security headers: a score and grade (A-F) of one response's HSTS, CSP, framing, content-type, referrer, permissions, cross-origin and cookie headers. Read-only; not an audit.$0.002 Base256 ms2 payers67% up
  90. 80tanod.dev/v1/email/verifydnspeek (Tanod) email verification: syntax, MX / null MX, disposable, role and free-provider checks from DNS only; the mail server is never contacted. Read-only.$0.002 Base255 ms2 payers67% up
  91. 80tanod.dev/v1/chain/proxychainpeek (Tanod) proxy detection: proxy kind, implementation, admin and beacon of a contract on Ethereum or Base. Read-only.$0.002 Base255 ms2 payers67% up
  92. 80tanod.dev/v1/chain/nftLook up an NFT's owner, token URI and standard (ERC-721, ERC-1155) (chainpeek)$0.002 Base267 ms2 payers67% up
  93. 80tanod.dev/v1/chain/balanceGet the native or ERC-20 token balance of an address on Ethereum or Base (chainpeek)$0.002 Base283 ms2 payers67% up
  94. 80tanod.dev/v1/chain/allowanceCheck an ERC-20 token allowance and flag unlimited approvals (chainpeek)$0.002 Base277 ms2 payers67% up
  95. 80tanod.dev/v1/text/summarizeSummarize a text by picking its key sentences (extractive, LexRank) (utilpeek)$0.003 Base261 ms2 payers67% up
  96. 80tanod.dev/v1/sitemapsitepeek (Tanod) sitemap: the URLs of an XML sitemap, sitemap index (one level) or text sitemap, with lastmod, changefreq and priority. Read-only.$0.003 Base255 ms2 payers67% up
  97. 80tanod.dev/v1/chain/tokenchainpeek (Tanod) ERC-20 token metadata: name, symbol, decimals and total supply on Ethereum or Base, or is_erc20:false. On-chain strings are attacker-controlled.$0.003 Base260 ms2 payers67% up
  98. 80tanod.dev/v1/chain/logsDecode a transaction's event logs on Ethereum or Base (chainpeek)$0.003 Base300 ms2 payers67% up
  99. 80tanod.dev/v1/chain/ens-recordsGet an ENS name's records: addresses, contenthash, text records (chainpeek)$0.003 Base260 ms2 payers67% up
  100. 80tanod.dev/v1/chain/calldatachainpeek (Tanod) calldata decode: decode EVM transaction calldata with a given signature, or look the selector up and return every candidate that decodes cleanly (unverified hints). Read-only.$0.003 Base263 ms2 payers67% up