{"id":"d59c8e23-f6d3-4e90-add5-f11840608d59","shortId":"frbsJw","kind":"x402","title":"Pay-per-call medical records endpoint on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call medical records endpoint on Base via x402, settled in USDC at $0.02/request.","description":"This endpoint at `/api/v1/medical/records/59` is part of the lowpaymentfee.com platform, which offers a broad catalog of pay-per-request APIs spanning data analytics, AI/ML inference, finance, and infrastructure utilities. All endpoints use the x402 payment protocol, settling in USDC on the Base network. The specific resource at `/medical/records/59` is listed under the provider's generic \"Premium API Access\" label; no further documentation describes the schema or semantics of the medical records data returned.\n\nThe x402 challenge confirms the endpoint is live and accepts POST requests. The `maxAmountRequired` is 20,000 base units of USDC (6 decimals), which equals $0.02 per request — consistent with the site-wide flat pricing advertised on the landing page. Payment is sent to `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a 300-second timeout. No API keys or rate limits are required; access is gated entirely by the x402 micropayment.\n\nImportant caveats: there is no OpenAPI schema, no request/response documentation, and no explanation of what \"medical records\" data is actually served. The endpoint path suggests health-related data, which may carry regulatory implications (HIPAA, GDPR). Prospective consumers should verify data provenance and compliance before integrating.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","medical-records","post-endpoint","no-api-key","micropayment"],"categories":["data","health"],"synonyms":["medical records API","health data endpoint","x402 medical API","lowpaymentfee medical","pay-per-call health data","USDC micropayment API","Base network API"],"warnings":["No request or response schema documentation available","Endpoint serves 'medical records' data with no stated compliance (HIPAA, GDPR, etc.) — verify data provenance before use","The provider site offers many endpoint categories but individual endpoint docs are absent","The specific record ID '59' in the path is unexplained — unclear if this is a fixed demo or parameterized resource"],"endpointUrl":"https://lowpaymentfee.com/api/v1/medical/records/59","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/medical/records/59","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on request parameters, response schema, or what medical records data is actually returned. No OpenAPI spec, no examples, and the health-data category raises regulatory concerns with no compliance information provided.","verified":false,"liveness":"unknown","lastLivenessCheck":null,"agentReviews":{"count":0,"score_avg":null,"cost_usd_avg":null,"success_rate":null,"latency_p50_ms":null,"narrative_summary":null,"summary_updated_at":null},"enrichmentModel":"anthropic/claude-opus-4.6","enrichmentVersion":2,"enrichedAt":"2026-04-21T22:48:57.520Z","embedding":[-0.016647339,-0.003982544,0.077819824,0.025268555,-0.004840851,-0.005558014,-0.0074310303,-0.011695862,0.03918457,-0.095703125,0.025970459,-0.0670166,-0.0052719116,-0.035308838,-0.026306152,0.014595032,0.012214661,-0.020370483,-0.03375244,0.025222778,0.023986816,-0.03213501,-0.019210815,-0.006580353,-0.021575928,-0.03866577,-0.016662598,-0.02947998,-0.0017566681,-0.03451538,0.0071983337,-0.014175415,-0.0042648315,0.025344849,-0.0368042,-0.0020923615,0.010063171,0.024108887,0.02041626,-0.023712158,-0.0132369995,-0.05117798,0.0028915405,-0.00017929077,-0.02281189,-0.013832092,0.021255493,-0.029037476,0.013153076,0.0014925003,-0.05508423,0.00095272064,-0.005104065,-0.0005311966,0.016494751,0.024612427,0.0025520325,0.016983032,0.021270752,0.0062026978,0.037872314,-0.08380127,-0.021575928,-0.01802063,-0.007785797,0.05331421,0.0126953125,0.08129883,0.045166016,0.06021118,0.012886047,0.052490234,0.015457153,0.012825012,-0.008415222,-0.008239746,0.004055023,0.046295166,-0.015930176,-0.03353882,-0.0151901245,-0.012298584,-0.031463623,-0.002494812,-0.017745972,-0.027664185,-0.010810852,0.026657104,-0.017074585,0.029418945,-0.08892822,-0.020751953,0.011146545,0.031066895,0.024932861,-0.004508972,-0.036895752,0.02494812,-0.00881958,0.030303955,-0.011566162,-0.035308838,0.013961792,-0.030441284,0.041290283,0.042755127,0.01020813,0.015586853,0.0052108765,-0.01889038,-0.009277344,0.0115356445,-0.0010766983,0.008384705,-0.008903503,0.0057144165,-0.054840088,0.006225586,-0.0259552,0.019744873,-0.037902832,0.057006836,-0.017593384,-0.030838013,0.021835327,-0.05279541,0.0038337708,0.019012451,-0.029922485,-0.016723633,0.046569824,0.015113831,0.045898438,-0.04989624,-0.03845215,0.023620605,-0.019210815,-0.029022217,-0.06561279,-0.066345215,0.024871826,-0.0072402954,0.03692627,0.021102905,-0.06121826,-0.0037593842,-0.027282715,0.021759033,-0.012008667,-0.0017375946,0.0129852295,0.03479004,-0.0005221367,0.011367798,-0.037109375,-0.03161621,0.03338623,0.015472412,-0.0146865845,0.029830933,-0.040130615,0.052093506,0.013328552,-0.023925781,0.03643799,0.051849365,-0.008201599,-0.06402588,-0.073791504,-0.021713257,-0.0135269165,-0.037597656,-0.022521973,0.015396118,-0.019882202,-0.038360596,0.01889038,-0.033935547,0.0049438477,-0.02418518,0.010726929,-0.029846191,-0.008613586,0.024765015,-0.046051025,-0.0029735565,-0.050964355,0.06768799,0.020568848,0.012481689,0.037506104,-0.011917114,0.05117798,0.0055236816,-0.028182983,-0.039489746,0.030334473,-0.004398346,0.028045654,-0.015960693,0.0048561096,-0.025680542,0.016799927,0.05090332,0.005718231,-0.04498291,-0.02470398,-0.023605347,-0.02041626,-0.02418518,0.036010742,0.031311035,0.009086609,0.04159546,-0.028411865,-0.0045661926,0.004878998,0.012649536,0.030792236,0.026733398,0.027893066,-0.011909485,0.026779175,0.0073623657,-0.055847168,0.025909424,0.030899048,0.02619934,-0.01651001,-0.023452759,0.031463623,0.00207901,-0.026809692,0.013946533,0.009002686,0.019454956,-0.010627747,0.010047913,0.01966858,0.0005531311,0.01889038,-0.022827148,-0.021591187,0.004257202,0.009468079,-0.017929077,-0.033477783,-0.093322754,0.066711426,0.052856445,0.012496948,-0.024124146,0.015396118,-0.04812622,-0.018341064,-0.049591064,0.039123535,0.038391113,-0.01159668,-0.007911682,0.008628845,-0.023010254,-0.057281494,-0.012664795,-0.0073051453,-0.019332886,-0.0060691833,0.013160706,-0.053985596,0.009292603,0.0036849976,0.018859863,0.050354004,-0.020370483,-0.037200928,-0.016036987,-0.0008678436,0.007106781,-0.042419434,-0.018173218,0.019439697,0.039245605,0.013809204,-0.02557373,0.0158844,0.00983429,0.023208618,-0.005050659,0.006626129,-0.018310547,-0.022949219,0.0061035156,0.014152527,-0.08721924,-0.0044059753,0.0076026917,0.055999756,-0.068115234,0.016235352,-0.008262634,-0.0048217773,0.076660156,0.0030136108,-0.051239014,0.0044822693,0.033599854,0.022369385,0.042785645,-0.0011606216,-0.017318726,-0.012664795,0.072387695,-0.013946533,-0.0132751465,0.02949524,0.016159058,0.026885986,-0.030288696,-0.06591797,-0.035858154,-0.0007581711,-0.015930176,0.029403687,-0.029953003,-0.0008568764,0.0022335052,-0.009262085,-0.011726379,-0.010887146,-0.042541504,-0.007297516,-0.018722534,0.0064468384,-0.015106201,-0.0016975403,0.008628845,0.013076782,0.019821167,0.004096985,0.06896973,0.019836426,-0.033599854,-0.029571533,-0.002746582,-0.014556885,-0.010108948,0.019439697,0.031951904,-0.0019464493,0.01890564,-0.031982422,0.006214142,0.01651001,0.040100098,0.008865356,-0.006916046,-0.016647339,-0.07836914,-0.06188965,-0.044128418,-0.057769775,0.026428223,0.009185791,-0.0014600754,0.074401855,0.0063476562,-0.061340332,-0.032287598,0.037322998,-0.035247803,-0.004875183,0.0078048706,-0.006626129,-0.010437012,-0.0067977905,0.008583069,-0.024154663,0.03010559,0.03125,0.027694702,0.031311035,0.04159546,0.0011577606,0.011566162,0.004512787,0.048675537,-0.00034809113,0.014320374,-0.056365967,-0.029556274,0.015068054,0.0043411255,-0.020736694,-0.0713501,0.050964355,0.05065918,0.05984497,0.030715942,0.0043029785,0.032409668,-0.0076675415,-0.02470398,-0.03665161,0.0011854172,-0.02154541,-0.06112671,0.031463623,-0.016540527,0.016342163,-0.038513184,0.025482178,0.016998291,0.026657104,-0.028121948,0.050933838,0.0027332306,0.000538826,0.05239868,-0.0043563843,0.015655518,0.05407715,-0.0048942566,0.018295288,0.028579712,-0.021820068,0.011383057,0.028717041,-0.017944336,-0.0037441254,-0.04852295,-0.042144775,-0.007972717,-0.010986328,-0.05432129,0.007534027,0.024414062,0.021820068,0.018753052,-0.018096924,-0.02268982,-0.001958847,-0.012130737,-0.04119873,0.014457703,-0.020843506,0.006122589,0.040008545,-0.0033187866,0.0009813309,0.008300781,0.02104187,-0.017333984,-0.024276733,-0.0104522705,0.0032043457,-0.03894043,0.030136108,-0.0181427,-0.010757446,-0.0059394836,0.060760498,0.011230469,0.041870117,0.038879395,0.005050659,-0.02279663,-0.062194824,0.01386261,-0.059661865,0.012741089,0.037506104,-0.032318115,-0.0041046143,-0.0059051514,-0.008743286,-0.017837524,0.00060129166,-0.040527344,0.0102005005,0.031555176,0.010726929,-0.022003174,-0.0690918,-0.028030396,-0.0011091232,0.040740967,0.030593872,-0.0050354004,-0.022827148,0.005256653,0.019958496,0.00806427,0.020690918,-0.0135269165,-0.0075645447,0.0032043457,-0.024734497,0.013038635,-0.01777649,0.02015686,-0.0066070557,-0.028427124,0.025466919,0.019348145,0.013267517,0.025390625,-0.0146865845,0.036956787,-0.01109314,0.009544373,0.017623901,0.058288574,0.010765076,-0.022460938,-0.051818848,0.028640747,0.011779785,0.011962891,-0.049713135,0.007572174,-0.004108429,0.008056641,-0.012779236,-0.002500534,-0.015167236,-0.01953125,-0.06304932,-0.06011963,0.042663574,-0.019012451,0.016281128,0.02684021,0.02116394,0.03842163,0.0018005371,-0.011581421,0.019058228,-0.015960693,-0.02229309,-0.017990112,-0.05331421,-0.007068634,-0.021270752,-0.036621094,0.030517578,0.0076675415,0.034240723,-0.009986877,-0.01109314,-0.00737381,-0.021743774,0.006084442,0.00043034554,-0.0014686584,0.016601562,0.05102539,0.016342163,-0.027740479,0.032287598,0.0067977905,0.019088745,0.003408432,0.043273926,0.043640137,-0.019546509,-0.0014457703,-0.005569458,-0.023468018,-0.009490967,-0.002922058,0.011428833,-0.0046310425,-0.0005736351,-0.029754639,0.011856079,0.024475098,-0.0067596436,-0.040374756,0.010185242,0.009384155,-0.023529053,0.01108551,0.037841797,0.03363037,-0.0049552917,0.0158844,0.0041656494,0.026245117,0.03878784,-0.0071411133,-0.010101318,0.023101807,0.005065918,0.0076789856,0.0211792,-0.0018672943,0.007419586,0.007610321,0.01826477,0.01852417,0.005443573,-0.0052757263,-0.007987976,0.010986328,0.02355957,0.0034561157,0.022018433,0.01763916,0.027038574,-0.018585205,-0.0029716492,0.01940918,-0.036193848,-0.0231781,0.0178833,0.026382446,-0.030029297,-0.022827148,0.020355225,0.020706177,0.025024414,-0.057159424,-0.017822266,0.00548172,0.0034275055,-0.022079468,-0.060516357,-0.030456543,-0.0058784485,0.034240723,-0.0017662048,0.01033783,0.038635254,-0.004535675,0.01020813,0.020950317,0.013946533,-0.0058898926,-0.014595032,-0.048065186,0.013633728,-0.013084412,-0.001991272,-0.026733398,0.016571045,-0.025344849,-0.035064697,0.0079422,-0.018295288,-0.011726379,-0.016036987,0.016723633,0.018814087,0.015655518,0.0079956055,-0.031204224,-0.039520264,-0.00944519,0.023712158,0.032287598,-0.036590576,0.009552002,-0.0126953125,-0.0007724762,-0.0019721985,0.023208618,0.020187378,0.022506714,0.009979248,0.039489746,-0.030685425,0.032989502,-0.021255493,-0.004386902,-0.0042686462,-0.031402588,0.0038814545,-0.013908386,-0.0042686462,0.037994385,0.018692017,-0.011123657,-0.018661499,-0.0574646,-0.018295288,-0.06573486,0.022277832,0.045318604,0.02268982,-0.014091492,0.011329651,0.0135269165,0.008613586,0.004261017,-0.0059051514,-0.013420105,0.002380371,0.020339966,0.012519836,-0.020965576,0.0016307831,-0.019821167,0.0012378693,-0.041900635,-0.03857422,0.009231567,-0.020477295,0.00074625015,-0.005519867,-0.031066895,0.00021195412,-0.00077724457,-0.042663574,0.026916504,0.014480591,0.0037193298,0.0050964355,-0.023880005,-0.006587982,0.009742737,-0.011787415,0.040039062,-0.0024204254,-0.018936157,-0.03366089,0.015296936,0.01373291,0.010658264,-0.00548172,-0.036987305,-0.0042915344,-0.026550293,-0.059753418,0.010215759,0.0015487671,0.003627777,-0.019577026,-0.007255554,-0.047454834,0.016311646,-0.022323608,-0.0046043396,-0.008781433,0.0018644333,-0.007575989,0.02178955,-0.0063171387,-0.009391785,-0.023590088,-0.04095459,-0.000008523464,0.009979248,-0.011909485,0.008903503,0.0647583,-0.014282227,-0.024459839,0.020751953,-0.0059051514,0.015296936,-0.015625,0.009338379,-0.0046920776,-0.0068206787,-0.01134491,-0.0061531067,-0.017150879,0.01763916,0.058746338,-0.000808239,-0.0126953125,-0.016662598,-0.0066719055,0.019805908,0.04067993,-0.031051636,0.012573242,-0.032440186,0.020126343,-0.014961243,0.032684326,0.0022506714,0.015777588,-0.025863647,-0.041870117,0.0009469986,-0.029632568,-0.012184143,-0.064453125,-0.022094727,-0.060913086,0.0070381165,-0.016937256,-0.008361816,0.00039720535,-0.021255493,0.002035141,-0.09875488,0.0040512085,0.04714966,-0.016525269,0.026229858,0.0023593903,0.014228821,0.031280518,-0.034210205,-0.022583008,0.011734009,-0.03387451,-0.011398315,-0.031982422,0.024139404,0.010398865,-0.029022217,0.0289917,0.002691269,0.00009447336,-0.023666382,-0.0032405853,-0.045837402,0.018966675,-0.0059776306,0.0056762695,-0.0012187958,-0.01864624,0.044189453,-0.057006836,0.028656006,0.03161621,-0.00019395351,0.032196045,0.041534424,0.012710571,-0.026885986,-0.015113831,-0.0031147003,0.010246277,0.034820557,-0.035491943,0.0014648438,0.0014982224,-0.022598267,-0.0010757446,-0.01373291,-0.0076675415,-0.057739258,-0.025985718,0.02607727,0.0016946793,-0.007068634,-0.023147583,0.00006020069,0.016220093,-0.012527466,0.009094238,-0.011238098,-0.025817871,-0.014205933,0.0059928894,0.024719238,-0.0062789917,-0.012023926,0.030914307,0.020233154,0.035308838,-0.0071029663,-0.014877319,-0.00081300735,0.031173706,-0.023269653,0.009788513,-0.0032024384,0.0055236816,0.02444458,0.000101327896,0.0062332153,-0.044647217,-0.009033203,-0.019897461,-0.011367798,-0.013389587,-0.015167236,-0.003900528,-0.0011730194,0.025436401,-0.000685215,-0.025253296,0.013122559,-0.04626465,-0.01777649,-0.019943237,-0.008720398,0.010284424,0.005256653,-0.006122589,0.010017395,-0.0060691833,0.033447266,-0.029724121,0.009002686,0.023513794,0.044921875,0.0010728836,-0.014442444,0.0035247803,-0.00642395,-0.019256592,0.008888245,-0.014328003,0.022903442,0.026535034,-0.01737976,-0.014518738,0.023971558,0.014625549,-0.024902344,0.02508545,-0.010955811,0.0085372925,-0.010772705,0.05218506,-0.043792725,0.02268982,0.020996094,-0.0056533813,-0.008071899,-0.0099105835,-0.020828247,0.037017822,0.0049095154,0.01474762,0.03048706,-0.002298355,0.019104004,-0.0077438354,0.000248909,-0.024429321,-0.021621704,-0.013137817,0.0007157326,-0.011199951,-0.0059318542,0.021347046,-0.03201294,0.041107178,-0.029556274,0.02658081,-0.0061798096,0.005405426,-0.004852295,-0.028152466,-0.017105103,0.030944824,-0.020751953,0.0044670105,-0.029754639,0.034332275,0.03704834,0.027130127,0.029266357,0.015808105,-0.013061523,-0.01939392,-0.010482788,0.0012788773,-0.0043792725,0.020248413,-0.014099121,0.052459717,0.0423584,0.00007981062,0.046417236,0.03933716,0.027160645,0.0011959076,0.028869629,-0.008369446,-0.021118164,-0.0060539246,0.012886047,-0.006713867,0.059417725,-0.011253357,0.009780884,0.0077438354,0.017791748,-0.004196167,0.015838623,0.07110596,0.019546509,0.005455017,0.05441284,0.0055999756,-0.018539429,-0.007419586,-0.006088257,0.041748047,-0.009933472,0.05630493,0.025177002,0.011230469,-0.005455017,0.0064430237,0.0030384064,-0.015960693,0.023773193,0.02357483,-0.01890564,-0.011810303,0.000156641,-0.008934021,-0.04562378,-0.025650024,-0.0047721863,0.0099487305,-0.001912117,-0.021514893,-0.012992859,0.015548706,0.0011577606,0.020309448,0.014915466,-0.025024414,0.014854431,0.010169983,0.004295349,0.03286743,0.01965332,0.029754639,-0.029037476,-0.03842163,0.005088806,0.04135132,-0.0053138733,-0.0028934479,0.029342651,0.023086548,0.05130005,0.03173828,-0.019699097,0.004840851,0.04220581,-0.008255005,0.028305054,0.042907715,0.02255249,0.013389587,0.021697998,0.032684326,0.032165527,-0.018203735,0.02822876,0.0053863525,0.008224487,-0.01966858,-0.0012149811,0.026657104,-0.0044898987,0.020324707,-0.004837036,-0.010551453,0.02168274,0.015167236,0.0058288574,-0.019638062,0.0093688965,0.017532349,0.0034866333,-0.0118637085,0.01928711,-0.031173706,0.020141602,0.000047922134,0.03286743,0.0016489029,0.03488159,0.0049095154,-0.028762817,0.0008845329,0.02268982,-0.046905518,0.011077881,0.02003479,0.0044059753,-0.049194336,0.008529663,0.021896362,0.00033807755,0.018600464,0.0027751923,0.00052690506,-0.002752304,0.04019165,0.018829346,-0.009567261,0.009025574,-0.023971558,0.017486572,0.027999878,0.015792847,0.005634308,-0.005973816,0.00041651726,-0.010696411,0.0057792664,-0.010658264,0.03286743,-0.03314209,-0.035095215,0.025177002,0.024002075,0.009002686,0.033996582,-0.03488159,0.0060043335,0.009780884,0.014671326,0.005794525,-0.0055770874,-0.005115509,0.011932373,-0.01927185,0.029403687,0.026992798,0.007335663,0.029144287,0.009483337,-0.022262573,0.004009247,-0.008377075,0.027740479,-0.008842468,0.020645142,0.03286743,0.016494751,-0.03390503,-0.017807007,0.009719849,-0.027008057,-0.024978638,-0.013389587,-0.0071029663,0.0070762634,0.024429321,0.048461914,-0.012481689,-0.013717651,0.05706787,-0.0016174316,0.03173828,-0.00060749054,0.009933472,0.038116455,0.008483887,0.032989502,0.02557373,0.011680603,-0.031204224,0.025924683,0.024459839,0.016220093,0.013496399,0.0027580261,-0.024856567,0.041656494,-0.0073432922,0.030563354,0.006778717,-0.035308838,0.013008118,-0.008460999,-0.011436462,0.009796143,-0.0006041527,0.0007843971,0.020690918,-0.020462036,-0.0042266846,-0.005268097,-0.0027370453,0.008399963,-0.016067505,-0.0042381287,0.016540527,-0.010482788,0.012954712,-0.029174805,-0.016952515,0.017044067,0.027816772,-0.042388916,-0.0008955002,0.004180908,0.00094652176,-0.019439697,0.011054993,0.047332764,0.008804321,-0.0031871796,0.026306152,-0.016418457,0.014205933,-0.008590698,0.034118652,0.03414917,-0.0023078918,-0.0066184998,-0.0011224747,0.007980347,-0.009628296,0.01146698,0.020721436,-0.010292053,-0.0033092499,0.0021781921,0.008323669,-0.002122879,0.003376007,0.00187397,0.012435913,-0.012290955,-0.017471313,-0.008056641,0.023239136,0.018310547,0.028579712,-0.0018119812,-0.009155273,0.017913818,0.025604248,0.009750366,-0.05819702,0.010360718,0.011451721,0.008575439,-0.026275635,-0.0045280457,-0.001748085,-0.03488159,0.02494812,0.020446777,0.016098022,0.034057617,-0.020477295,0.0014400482,0.02027893,0.014076233,0.027313232,0.007068634,-0.0037593842,0.024139404,-0.0046958923,0.009719849,-0.0126571655,-0.0107803345,0.019958496,0.019821167,-0.029876709,-0.02406311,0.016326904,0.004573822,0.018508911,-0.0020980835,-0.011184692,0.024795532,-0.0037879944,0.0064315796,-0.003982544,0.028915405,-0.025665283,-0.014328003,0.0047912598,0.032989502,0.036010742,-0.017105103,-0.007904053,0.020843506,0.021224976,0.004940033,0.04220581,0.009033203,0.048675537,0.016113281,-0.0073890686,-0.031951904,0.017166138,-0.01953125,-0.019607544,0.029754639,-0.04257202,-0.017501831,0.009796143,0.019348145,-0.017929077,-0.03616333,-0.01574707,-0.031463623,-0.008102417,0.0041389465,-0.015357971,0.027160645,-0.022949219,-0.016235352,0.010772705,-0.023422241,-0.053527832,0.0010948181,-0.0015077591,-0.009338379,-0.059906006,0.022842407,-0.031433105,0.0073890686,-0.032684326,0.0018939972,-0.0030651093,0.03366089,-0.013595581,0.0042915344,0.019073486,0.01398468,0.010810852,0.012481689,0.00881958,-0.018463135,-0.028259277,-0.015281677,0.003326416,-0.004425049,0.02720642,0.009208679,0.031051636,0.017913818,0.0054969788,-0.00018489361,0.010917664,-0.013618469,0.0007982254,0.0030097961,-0.007457733,0.021759033,0.028564453,-0.0068588257,-0.0061454773,0.047851562,-0.01889038,-0.024642944,0.03652954,0.030670166,0.00248909,0.038085938,0.007068634,-0.008735657,-0.021377563,-0.0028896332,-0.02532959,-0.0036201477,-0.0060043335,-0.011985779,0.0016908646,0.014724731,0.0028438568,0.0066070557,0.0038871765,0.033081055,0.012168884,0.002922058,0.031951904,0.033599854,0.010253906,-0.032928467,-0.016540527,0.0058517456,0.017166138,0.013313293,0.007686615,0.005519867,0.025817871,-0.027954102,0.009803772,0.01966858,-0.019515991,-0.03353882,0.005508423,-0.049743652,0.00289917,-0.012626648,0.004547119,-0.031311035,0.023147583,-0.013008118,-0.03744507,-0.009460449,0.013175964,0.03640747,0.004386902,-0.004699707,-0.021072388,0.006980896,-0.0082473755,-0.018310547,-0.033599854,-0.031921387,0.005470276,-0.027877808,0.029953003,-0.007209778,-0.010055542,-0.01020813,0.006702423,0.013175964,-0.005329132,0.023223877,-0.0065193176,-0.007698059,0.028045654,0.013595581,-0.013465881,0.015029907,-0.010467529,0.0064468384,0.013946533,0.00793457,0.020187378,-0.043914795,0.0256958,-0.00617218,0.0018701553,0.021026611,-0.0015039444,0.03137207,-0.032836914,0.00027680397,0.012931824,-0.00712204,0.024642944,-0.016952515,-0.016403198,0.007408142,-0.01776123,-0.025100708,-0.0022335052,0.0016345978,0.014549255,-0.019210815,0.04284668,-0.021972656,-0.019699097,0.008087158,-0.0020961761,-0.019317627,0.0055351257,0.0047836304,-0.003627777,-0.0030670166,-0.019180298,-0.016479492,-0.017608643,-0.0029716492,0.011604309,-0.026885986,-0.0059165955,0.051116943,0.00066423416,0.031280518,0.012123108,0.04498291,0.015510559,0.00027632713,0.008216858,0.025421143,0.06793213,-0.0039405823,-0.028198242,0.0178833,-0.0028800964,-0.037322998,0.011054993,-0.014404297,-0.006816864,-0.026382446,0.004650116,0.0059013367,0.017593384,-0.0060424805,0.0073165894,-0.014556885,-0.006690979,-0.021713257,-0.02998352,-0.023605347,0.004310608,0.026885986,0.020187378,0.017959595,0.016113281,-0.01626587,0.010810852,0.051940918,0.0069503784,-0.032318115,-0.028640747,0.015625,0.0058937073,0.0340271,0.0040740967,-0.0012922287,-0.009284973,0.017929077,0.0051956177,-0.00056791306,-0.03189087,-0.00094652176,0.019104004,-0.0038108826,0.0031089783,0.047302246,-0.019821167,-0.0075149536,-0.0058403015,-0.0047683716,0.056915283,0.029251099,-0.0016756058,0.053375244,-0.012123108,-0.030593872,0.038024902,-0.0024909973,0.013023376,-0.020111084,0.006275177,-0.050567627,-0.013710022,-0.022735596,0.0039787292],"createdAt":"2026-04-21T18:32:25.574Z","updatedAt":"2026-04-22T02:32:05.616Z","lastSeenAt":"2026-04-22T02:32:05.616Z","tsv":"'/api/v1/medical/records/59':38 '/medical/records/59':83 '/request':17,34 '0.02':16,33,134 '000':125 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':154 '20':124 '300':157 '6':130 'Base network API' 'USDC micropayment API' 'accept':118 'access':93,168 'actual':195 'advertis':145 'ai/ml':59 'analyt':58 'api':55,92,161 'base':9,26,77,126 'broad':48 'call':4,21 'carri':207 'catalog':49 'caveat':177 'challeng':111 'complianc':219 'confirm':112 'consist':137 'consum':213 'data':57,107,193,204,216 'decim':131 'describ':98 'document':97,185 'endpoint':7,24,36,66,114,198 'entir':171 'equal':133 'explan':188 'financ':61 'flat':143 'gate':170 'gdpr':211 'generic':90 'health':202 'health data endpoint' 'health-rel':201 'hipaa':210 'implic':209 'import':176 'infer':60 'infrastructur':63 'integr':221 'key':162 'label':94 'land':148 'limit':165 'list':85 'live':116 'lowpaymentfee medical' 'lowpaymentfee.com':43 'maxamountrequir':122 'may':206 'medic':5,22,105,191 'medical records API' 'medical-records' 'micropay':175 'micropayment' 'network':78 'no-api-key' 'offer':46 'openapi':181 'page':149 'part':40 'path':199 'pay':2,19,52 'pay-per-cal':1,18 'pay-per-call health data' 'pay-per-request':51 'payment':70,150 'per':3,20,53,135 'platform':44 'post':119 'post-endpoint' 'premium':91 'price':144 'prospect':212 'protocol':71 'proven':217 'provid':88 'rate':164 'record':6,23,106,192 'regulatori':208 'relat':203 'request':54,120,136 'request/response':184 'requir':167 'resourc':81 'return':108 'schema':100,182 'second':158 'semant':102 'sent':152 'serv':196 'settl':12,29,72 'site':141 'site-wid':140 'span':56 'specif':80 'suggest':200 'timeout':159 'unit':127 'usdc':14,31,74,129 'usdc-base' 'use':67 'util':64 'verifi':215 'via':10,27 'wide':142 'x402':11,28,69,110,174 'x402 medical API' 'x402-payment'","prices":[{"id":"40ba7a0a-20b0-4ec1-a698-783f2497558e","listingId":"d59c8e23-f6d3-4e90-add5-f11840608d59","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"20000","chain":"base","payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/medical/records/59","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:25.574Z"}],"sources":[{"listingId":"d59c8e23-f6d3-4e90-add5-f11840608d59","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/medical/records/59","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:25.574Z","lastSeenAt":"2026-04-22T02:32:05.616Z"}],"details":{"listingId":"d59c8e23-f6d3-4e90-add5-f11840608d59","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/medical/records/59 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Site-wide flat pricing is $0.02 per request with no API keys, no rate limits, and payment on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"x402 challenge returns maxAmountRequired of 20000 base units of USDC (USD Coin) on Base with 300-second timeout","source_url":"https://lowpaymentfee.com/api/v1/medical/records/59"}],"useCases":["Retrieving medical record data on a per-request payment basis","Integrating health data into agent workflows without subscription overhead","Testing x402 micropayment flows against a live endpoint"],"bestFor":["Developers exploring x402 pay-per-call patterns","Agents needing on-demand data access without API key management","Low-volume consumers who prefer per-request billing over subscriptions"],"notFor":["Production healthcare applications requiring verified, HIPAA-compliant data sources","High-throughput bulk data retrieval where per-request pricing is inefficient","Users who need detailed API documentation or guaranteed SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:02.366Z"},"updatedAt":"2026-04-22T02:32:05.616Z"}}