{"id":"04d51173-0dc2-4c42-a8d2-047413d3e284","shortId":"MUazMD","kind":"x402","title":"Pay-per-call API platform on Base network via x402 — $0.02/request in USDC, no API keys required.","tagline":"Pay-per-call API platform on Base network via x402 — $0.02/request in USDC, no API keys required.","description":"lowpaymentfee.com is an x402-enabled API platform that offers a broad set of endpoints across data analytics, AI/ML inference, finance/Web3 data, and utility services. Every endpoint costs $0.02 per request, paid in USDC on the Base network via the x402 payment protocol. There are no API keys, no rate limits, and no subscription commitments — callers simply attach an x402 payment header to each request.\n\nThe specific endpoint at `/api/v1/customers/11` is listed as \"Premium API Access\" and returns `application/json`. Its x402 challenge advertises a max amount of 20,000 base units of USDC (asset `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` on Base), which equals $0.02 given USDC's 6 decimals. The endpoint accepts POST requests and settles payments to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a 300-second timeout.\n\nThe broader platform also advertises endpoints for sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation — all at the same $0.02 price point. Documentation pages exist but appear to require a wallet connection and contain no visible content, so the actual request/response schemas for individual endpoints are unknown.","tags":[],"capabilities":["x402-payment","usdc-base-network","pay-per-request","json-api","no-api-key","customer-data","data-analytics","ai-inference","finance-data","utility-services"],"categories":["api-platform","finance","llm","geo"],"synonyms":["x402 API","micropayment API","USDC pay-per-call","Base network API","lowpaymentfee","crypto API access","pay-per-request endpoint"],"warnings":["No OpenAPI or schema documentation available — request and response formats for this endpoint are unknown","All documentation pages (docs, api, pricing, README) appear to require wallet connection and contain no visible content","The specific purpose of /api/v1/customers/11 ('Premium API Access') is not explained anywhere — it is unclear what data it returns","Cannot verify what the broader platform endpoints actually do; only the landing page descriptions are available"],"endpointUrl":"https://lowpaymentfee.com/api/v1/customers/11","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/customers/11","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.400","qualityRationale":"The x402 challenge is live and well-formed, confirming the endpoint works and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no documented request/response schema, and all documentation pages behind wallet-connect walls render no useful content. The purpose of the specific `/customers/11` endpoint is unclear beyond its generic 'Premium API Access' label.","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":"2026-04-18T22:16:06.195Z","embedding":[-0.017593384,-0.036254883,0.045166016,0.02748108,0.013061523,-0.041931152,-0.022583008,0.0390625,0.06732178,-0.06222534,0.021591187,-0.047821045,-0.021087646,-0.039123535,-0.018722534,0.0063056946,0.005935669,-0.005836487,-0.039398193,0.027511597,0.021453857,-0.0128479,-0.027557373,0.015457153,-0.005142212,-0.0059318542,-0.0052604675,0.0025119781,-0.011619568,-0.051452637,0.044189453,-0.028320312,-0.013000488,0.02243042,-0.015945435,-0.0027370453,-0.0038890839,0.029953003,0.027908325,-0.010192871,-0.002073288,-0.0625,0.009269714,-0.009635925,-0.070129395,-0.012481689,0.01184845,-0.01612854,-0.003768921,0.008872986,-0.037078857,-0.008460999,-0.014320374,-0.0115737915,0.00060367584,0.017211914,-0.00001013279,-0.0025100708,0.018066406,0.017929077,-0.010444641,-0.05923462,-0.01247406,-0.015258789,0.0024414062,0.056488037,0.00374794,0.03668213,0.0038795471,0.07867432,0.032104492,0.047424316,0.032684326,0.014160156,-0.002670288,-0.014678955,0.0051879883,0.06652832,-0.010665894,-0.034698486,-0.008026123,-0.01638794,-0.042755127,0.00020420551,-0.01576233,-0.056243896,-0.022628784,0.020111084,-0.021194458,0.04119873,-0.065979004,-0.0070877075,-0.013389587,-0.0073509216,0.015808105,0.009376526,-0.004180908,0.014884949,0.0014343262,0.009185791,-0.003616333,-0.039215088,0.016464233,0.0058059692,0.036132812,0.04095459,0.015670776,0.021865845,0.0072669983,0.0041542053,-0.041137695,0.014389038,-0.020065308,-0.024902344,0.012779236,0.0030212402,-0.012992859,0.018157959,-0.033813477,0.010910034,-0.045837402,0.050750732,0.018127441,0.010139465,0.0068855286,-0.04574585,-0.020584106,0.003566742,-0.025909424,-0.020477295,0.013343811,0.00793457,0.029190063,-0.008277893,-0.034729004,0.008361816,-0.020370483,-0.011650085,-0.056274414,-0.028305054,0.04827881,-0.030517578,0.021194458,0.03277588,-0.08911133,-0.020614624,-0.048553467,-0.006126404,-0.03616333,-0.01197052,-0.001783371,0.02407837,-0.026977539,-0.020736694,-0.02180481,-0.02784729,-0.009216309,0.031311035,-0.017150879,0.03881836,-0.02128601,0.02104187,0.01058197,0.006084442,0.017181396,0.029464722,-0.0024089813,-0.08148193,-0.08703613,-0.028778076,-0.000053346157,-0.027664185,-0.025497437,0.003660202,-0.014122009,-0.07122803,-0.016998291,-0.011764526,-0.009117126,-0.039764404,0.0010108948,-0.045074463,0.016525269,-0.007888794,-0.050354004,-0.014953613,-0.028015137,0.05340576,0.037017822,0.022872925,0.022659302,-0.017532349,0.0579834,0.03656006,-0.011299133,-0.019180298,0.029541016,-0.017120361,0.024398804,-0.005970001,0.020370483,-0.02772522,0.03048706,0.07196045,0.0030441284,-0.020233154,-0.007423401,-0.05154419,-0.064208984,-0.030380249,0.020629883,0.008338928,-0.013084412,0.0340271,-0.042297363,-0.02935791,0.00020158291,0.015319824,0.008796692,0.062683105,0.0046463013,-0.0016994476,0.03866577,0.02268982,-0.06768799,0.043029785,0.04522705,0.007549286,-0.017623901,-0.026641846,0.029953003,0.020507812,-0.021865845,0.011146545,-0.027618408,0.027664185,-0.0012369156,0.00843811,0.005821228,-0.015625,-0.035095215,-0.031829834,-0.0071029663,0.027069092,-0.0057144165,-0.02357483,-0.033081055,-0.082458496,0.048828125,0.024551392,0.035583496,0.004497528,0.011894226,-0.022003174,0.0010690689,-0.07598877,0.0690918,0.068115234,0.01259613,-0.01386261,0.023498535,-0.019760132,-0.033050537,0.014877319,-0.0149383545,-0.036010742,-0.018936157,0.020568848,-0.04006958,-0.004673004,0.021255493,0.0055732727,0.04815674,-0.026687622,-0.03427124,-0.01713562,-0.009529114,0.013442993,-0.01977539,-0.012062073,-0.011642456,0.025558472,0.027511597,0.00065135956,0.009918213,-0.013183594,0.0096588135,-0.025543213,-0.01133728,-0.009605408,-0.026885986,0.0115737915,-0.00082206726,-0.05886841,0.0012464523,-0.0044136047,0.066467285,-0.04168701,0.035827637,-0.010215759,0.014755249,0.048187256,-0.005882263,-0.046875,0.00046896935,0.02607727,0.016983032,0.053253174,0.029037476,-0.037475586,-0.0054473877,0.07861328,-0.0006108284,-0.00008767843,0.008926392,0.0063819885,0.037719727,-0.011749268,-0.04937744,-0.03668213,0.0015687943,-0.027145386,0.020690918,-0.031173706,0.018859863,-0.009796143,0.018508911,-0.022766113,-0.0031585693,-0.03439331,0.009231567,-0.0032997131,0.022003174,-0.015716553,-0.022918701,0.0053482056,0.005065918,-0.016937256,-0.0008020401,0.03970337,0.016540527,-0.0061531067,-0.032928467,-0.052490234,-0.007980347,-0.0027446747,0.023086548,0.02659607,0.01600647,0.04812622,-0.0418396,0.0064735413,0.02861023,-0.0033855438,0.040130615,-0.010635376,-0.0055656433,-0.064941406,-0.052490234,-0.028671265,-0.042144775,0.028244019,0.027832031,-0.013755798,0.056121826,0.008102417,-0.01776123,-0.031677246,0.017669678,-0.0496521,0.0027542114,0.038970947,-0.021881104,-0.025390625,0.0036201477,-0.0068855286,0.0024662018,0.036193848,0.028518677,0.023406982,0.07556152,0.034820557,0.018692017,0.02017212,0.004261017,0.03366089,0.008888245,-0.008712769,-0.028320312,-0.026306152,0.04324341,-0.03845215,-0.016830444,-0.06161499,0.06347656,0.034240723,0.08862305,0.028778076,0.004360199,0.049835205,-0.017486572,0.013633728,-0.025604248,-0.023223877,-0.023910522,-0.041534424,0.02519226,-0.00907135,-0.0032405853,-0.021759033,0.038513184,0.0011463165,0.015960693,-0.034423828,0.031921387,-0.011619568,-0.014503479,0.021209717,0.009635925,0.054656982,0.043884277,-0.051605225,0.020004272,0.016036987,-0.03555298,-0.0020427704,0.041137695,-0.0096588135,-0.020431519,-0.056549072,-0.025680542,-0.012962341,-0.0024852753,-0.040374756,-0.015548706,-0.004535675,0.022094727,0.02998352,-0.013542175,-0.010787964,-0.022384644,-0.015151978,-0.052246094,-0.0043640137,-0.032226562,0.0013494492,0.0395813,-0.026275635,-0.0070877075,0.0020637512,-0.0018358231,-0.011810303,0.007785797,0.029724121,-0.005622864,-0.05178833,0.039215088,0.012252808,0.008491516,0.010231018,0.040161133,0.02935791,0.02519226,0.04324341,0.01084137,-0.009147644,-0.061645508,0.026367188,-0.039093018,0.013000488,0.018966675,-0.0126953125,-0.01524353,-0.008087158,-0.029464722,-0.030776978,0.0234375,-0.024749756,0.0054016113,0.031463623,-0.020263672,-0.02192688,-0.060302734,-0.018173218,-0.013465881,0.0692749,0.029876709,-0.01260376,-0.06329346,-0.018859863,0.020751953,0.0043411255,0.03930664,-0.0149383545,-0.008224487,-0.0146102905,-0.02519226,-0.0060310364,-0.023544312,0.01979065,-0.0095825195,0.005748749,0.017105103,0.019378662,0.012916565,0.006816864,0.012832642,0.02067566,-0.023849487,0.0043144226,-0.009063721,0.04296875,0.008766174,0.0039024353,-0.044006348,0.035186768,0.01373291,0.030090332,-0.038909912,0.0006685257,-0.0035076141,0.009552002,0.023590088,-0.018417358,-0.004432678,-0.009010315,-0.046417236,-0.07659912,0.04534912,-0.027328491,0.035003662,0.014732361,0.0031261444,0.03479004,-0.005596161,-0.00674057,0.021987915,-0.021194458,-0.011726379,-0.01386261,-0.025253296,-0.013504028,-0.013969421,-0.025253296,0.02406311,-0.0154418945,0.017684937,-0.0016326904,-0.035461426,0.0047340393,0.011077881,-0.007949829,0.023162842,0.0056915283,0.028060913,0.04611206,0.0099105835,-0.045562744,0.02168274,0.009941101,-0.0002169609,-0.000813961,0.04928589,0.030822754,-0.006576538,-0.009613037,-0.0030269623,-0.012245178,-0.025253296,0.013687134,-0.0028362274,0.0046691895,-0.0069122314,-0.04751587,0.016479492,0.0043678284,-0.032104492,-0.020935059,0.017822266,0.012992859,-0.029769897,0.017547607,0.036499023,0.051849365,-0.03111267,0.005355835,-0.0030670166,0.03378296,0.0357666,0.01184082,-0.018569946,0.01512146,-0.00036907196,0.018051147,-0.000062942505,-0.01084137,0.027938843,0.0024375916,0.023513794,0.031280518,0.0012216568,-0.030197144,-0.02583313,0.017440796,-0.016662598,-0.029403687,0.017059326,0.020126343,0.035003662,-0.028167725,0.019226074,0.012771606,-0.017822266,-0.015258789,-0.014228821,0.04486084,-0.004383087,-0.010467529,0.024169922,0.020584106,0.019577026,-0.04849243,0.012283325,0.0031528473,0.010559082,-0.029403687,-0.044006348,-0.029434204,0.007835388,0.04360962,0.014305115,0.032226562,0.029953003,-0.0025463104,0.0087509155,0.016281128,0.003768921,-0.008110046,-0.023132324,-0.053253174,-0.017532349,-0.00566864,0.0021877289,-0.038391113,0.018417358,-0.007858276,-0.03012085,0.00806427,-0.0072517395,-0.005142212,-0.012916565,-0.0041542053,0.04660034,0.0006904602,0.014884949,-0.02659607,-0.030822754,-0.0065307617,0.014831543,0.015075684,-0.04925537,0.012168884,-0.002319336,-0.0070610046,0.01335144,0.016921997,0.01550293,0.015022278,0.023727417,0.02557373,-0.06323242,0.046569824,-0.035980225,0.027648926,-0.0012922287,-0.035980225,-0.016082764,-0.026550293,-0.006340027,0.043823242,-0.032989502,-0.007095337,-0.023498535,-0.04373169,-0.009712219,-0.050964355,0.011199951,0.034973145,0.04135132,-0.03048706,-0.002450943,-0.00006711483,0.002248764,-0.019592285,0.003162384,-0.025787354,0.019699097,0.025283813,-0.0099487305,-0.02368164,-0.029724121,-0.024841309,-0.00894928,-0.03878784,-0.05380249,0.0047454834,-0.0042419434,-0.0063972473,-0.004032135,-0.020858765,-0.036865234,-0.0049324036,-0.04055786,0.017700195,0.0050086975,0.01638794,0.0042762756,-0.02748108,0.006175995,0.01902771,-0.015960693,0.039215088,0.004627228,-0.012077332,-0.04168701,0.0061569214,0.013969421,0.02571106,0.001455307,-0.015098572,-0.01184845,-0.014175415,-0.05529785,-0.004825592,-0.014572144,-0.0013685226,-0.008018494,-0.0004887581,-0.049987793,-0.002210617,-0.026397705,-0.010925293,0.014083862,0.016403198,0.008575439,-0.0000071525574,0.019058228,-0.008110046,-0.017150879,-0.028717041,0.0129852295,0.010925293,0.004135132,0.028930664,0.044677734,-0.00484848,-0.017623901,-0.0007801056,0.013427734,0.025772095,-0.025283813,0.0047187805,-0.015205383,0.018997192,-0.012939453,-0.009750366,-0.033111572,0.003288269,0.081848145,0.0010795593,-0.017944336,-0.012962341,-0.023086548,0.014556885,0.027648926,-0.051757812,-0.009590149,-0.026107788,0.016281128,-0.026733398,0.016860962,-0.00060606,0.030303955,-0.015136719,-0.043914795,-0.02418518,-0.00712204,-0.015151978,-0.056762695,-0.042999268,-0.068847656,0.014099121,-0.027877808,-0.022994995,-0.0038375854,0.0061569214,-0.011955261,-0.07897949,0.005207062,0.054138184,-0.00017976761,0.02130127,-0.0036754608,0.01737976,0.029251099,-0.03967285,0.0022239685,0.020233154,-0.02659607,-0.021621704,-0.02218628,0.015357971,-0.008834839,-0.0076560974,0.008163452,0.0048065186,0.018737793,-0.006439209,0.012016296,-0.011482239,0.0340271,-0.017669678,0.013092041,-0.006023407,0.001045227,0.046691895,-0.046691895,0.022872925,0.00554657,-0.016586304,0.01537323,0.03152466,0.047607422,-0.029647827,-0.020599365,0.015388489,0.015792847,0.022735596,-0.021759033,0.041046143,0.0009303093,-0.016342163,0.011749268,-0.014305115,-0.018737793,-0.0149002075,-0.039001465,0.0357666,0.001958847,0.014884949,-0.016571045,0.004776001,0.02355957,-0.003742218,0.012535095,-0.004436493,-0.029907227,-0.022476196,0.0044059753,0.0041275024,0.009086609,-0.004886627,0.023162842,0.020263672,0.030670166,0.014335632,-0.009666443,0.0027446747,0.033355713,-0.023895264,0.000770092,0.020462036,-0.005420685,0.015136719,0.013954163,0.011886597,-0.04208374,-0.021514893,-0.026367188,-0.025344849,0.00011438131,-0.009788513,-0.010040283,-0.008026123,0.008300781,-0.01576233,-0.032836914,-0.00011622906,-0.034606934,-0.027328491,-0.0033340454,-0.016311646,0.019378662,-0.0013570786,0.008331299,0.00044298172,-0.015007019,0.04711914,0.002155304,-0.012992859,0.044830322,0.030960083,0.01537323,-0.027297974,-0.017059326,-0.014122009,-0.021636963,-0.0003142357,-0.038482666,0.008720398,0.054595947,-0.022033691,-0.008270264,0.00806427,0.023803711,-0.012588501,0.004283905,0.00016105175,0.01524353,-0.005153656,0.040893555,-0.048217773,0.016021729,0.020721436,0.00035071373,-0.02154541,-0.013031006,-0.02835083,0.027114868,-0.0037193298,-0.0043525696,0.04360962,0.0058021545,0.018417358,-0.019195557,-0.025299072,0.016159058,-0.026290894,-0.02267456,0.032226562,-0.007106781,0.0040397644,0.0140686035,-0.013160706,0.034210205,-0.032226562,0.009414673,0.006767273,0.00058221817,-0.013122559,-0.007396698,-0.012916565,-0.0006942749,-0.012084961,0.0001565218,-0.010147095,0.048797607,0.0104599,0.031036377,0.04776001,0.011947632,0.0032978058,-0.037475586,-0.015457153,0.0031471252,-0.020614624,0.016235352,-0.014442444,0.053009033,0.03253174,0.0008249283,0.034088135,0.024978638,0.03845215,-0.002319336,0.010139465,-0.017974854,0.016113281,-0.0044136047,0.024490356,-0.00090408325,0.050445557,-0.042510986,0.017501831,0.013053894,0.024734497,-0.01927185,0.043395996,0.059020996,0.023254395,-0.0020542145,0.052124023,-0.0040245056,0.0044403076,-0.0016021729,-0.01574707,0.03994751,0.013053894,0.04006958,0.054351807,-0.0018577576,-0.006916046,0.02281189,-0.035461426,-0.031280518,0.04852295,0.039215088,-0.024307251,-0.014862061,0.0018053055,0.00057029724,-0.06359863,-0.022720337,0.024261475,-0.010810852,-0.0016946793,-0.014205933,-0.019256592,-0.017486572,0.013336182,0.029647827,0.008972168,-0.013977051,0.033691406,0.024734497,-0.0011911392,0.029769897,0.0018968582,0.046051025,-0.021072388,-0.025741577,0.01625061,0.0158844,-0.011054993,-0.012626648,0.018829346,0.00674057,0.040863037,0.04019165,-0.02671814,0.008003235,0.028518677,0.013153076,0.009895325,0.050445557,0.039520264,0.018997192,0.03375244,0.022872925,0.042266846,-0.02507019,0.009552002,0.002521515,0.007293701,-0.003227234,-0.015113831,0.0050354004,-0.008903503,0.023147583,0.0019102097,-0.010299683,0.02420044,0.022140503,-0.0049476624,-0.01309967,-0.0060539246,0.009414673,-0.02708435,0.0007958412,0.019607544,-0.016479492,0.056549072,0.0149383545,0.02619934,-0.015548706,0.015670776,0.0027446747,-0.01701355,-0.00881958,0.029067993,-0.04019165,0.0066108704,-0.006000519,-0.009162903,-0.04876709,0.007575989,0.02758789,-0.019134521,0.029190063,0.0048675537,0.0019435883,-0.001704216,0.028747559,0.007167816,-0.010757446,-0.00034952164,-0.02178955,0.024597168,0.04196167,0.00036501884,0.014099121,-0.018447876,-0.0087509155,0.0020542145,-0.00054979324,0.0071144104,-0.0072669983,-0.012290955,-0.020721436,0.020187378,0.0309906,0.018447876,0.048583984,-0.018920898,-0.0018854141,0.013008118,0.04055786,0.0049324036,-0.0016460419,0.0015649796,0.02027893,-0.012634277,0.04208374,0.043151855,0.005104065,0.036895752,-0.0017280579,-0.013458252,0.008216858,-0.007160187,0.024414062,-0.011528015,0.0096206665,-0.007873535,0.030960083,-0.008049011,-0.028457642,0.0020141602,-0.015777588,-0.014518738,-0.014190674,0.017700195,0.0044937134,0.027267456,0.05218506,0.031036377,-0.026870728,0.06427002,-0.004711151,0.029541016,0.004398346,-0.012168884,0.05114746,0.014663696,0.03805542,0.021987915,0.006916046,-0.030334473,0.009712219,0.033721924,0.029144287,0.014282227,0.008407593,-0.015571594,0.04446411,-0.0008878708,0.037109375,-0.0037937164,0.0015707016,0.013244629,-0.00029921532,-0.006969452,-0.0020065308,-0.010009766,0.0031261444,0.042114258,-0.014785767,-0.0067710876,-0.015136719,-0.010391235,0.027908325,-0.013435364,0.0023345947,-0.0075149536,-0.019882202,0.0104599,-0.0146102905,-0.038482666,0.0015277863,0.022705078,-0.047058105,-0.026504517,0.007484436,0.03164673,-0.023208618,0.028320312,0.025024414,-0.006504059,0.0073432922,0.044708252,-0.009803772,0.024902344,-0.01537323,0.027404785,0.03503418,0.0073242188,-0.00894165,-0.005405426,0.0075302124,-0.011306763,0.021072388,0.031036377,-0.019989014,-0.004638672,-0.0041923523,-0.010375977,-0.0074882507,0.008590698,-0.008987427,0.012245178,-0.009208679,-0.0059776306,0.0064086914,0.0016345978,-0.007713318,-0.004760742,-0.0071029663,-0.011207581,0.010002136,0.030441284,0.023727417,-0.02381897,-0.010307312,0.0062332153,0.013381958,-0.017944336,-0.0029506683,0.0021839142,-0.037078857,0.0038204193,0.018539429,0.0064964294,0.012542725,-0.026824951,-0.001616478,0.028900146,0.008094788,0.017791748,0.0027866364,-0.003648758,0.011375427,-0.004837036,-0.015022278,-0.012428284,-0.014595032,0.0025348663,0.024307251,-0.013679504,-0.027114868,0.021224976,-0.00027656555,0.02142334,-0.009971619,-0.021713257,0.018997192,-0.0082473755,-0.0063667297,0.0021362305,0.013206482,-0.011917114,-0.007675171,-0.010482788,0.029953003,0.061401367,-0.01234436,-0.01008606,0.026885986,0.021194458,0.011543274,0.041107178,0.0036029816,0.04083252,0.018615723,-0.020462036,-0.020019531,0.020828247,-0.010238647,-0.026901245,0.0063438416,-0.008888245,-0.0014572144,0.015838623,0.007972717,-0.0036716461,-0.025497437,-0.0048332214,-0.00995636,-0.00920105,0.014793396,-0.010299683,0.020553589,-0.022781372,-0.010543823,0.013938904,-0.031951904,-0.052612305,-0.008758545,0.0032806396,-0.01109314,-0.05343628,-0.010139465,-0.021316528,-0.009025574,-0.024871826,-0.003660202,-0.019470215,0.019332886,-0.016174316,-0.0064353943,-0.003955841,0.01576233,0.025283813,-0.004070282,0.021743774,-0.025741577,-0.015357971,-0.035583496,0.011985779,-0.014701843,0.021484375,0.0073394775,0.03665161,0.025726318,-0.0078125,-0.0012311935,-0.0143585205,-0.013458252,-0.018112183,-0.0076560974,-0.01826477,0.03225708,0.015258789,-0.005104065,-0.0031814575,0.03704834,-0.018722534,-0.014305115,0.023849487,0.043518066,0.012214661,0.022323608,-0.010948181,-0.008277893,-0.009490967,0.0016803741,-0.014823914,0.0038967133,0.018630981,-0.0022277832,0.0011291504,0.008956909,0.020370483,-0.009284973,-0.0021533966,0.043029785,0.004421234,-0.016174316,0.046020508,0.007659912,0.001156807,-0.013595581,-0.00793457,0.026931763,0.03945923,0.008987427,0.024017334,-0.0044441223,-0.0005288124,-0.013206482,0.008590698,0.019546509,-0.026168823,-0.041931152,-0.0104904175,-0.044311523,0.020874023,-0.012512207,0.006504059,-0.007484436,0.014503479,-0.016159058,-0.02798462,-0.022491455,0.033203125,0.021591187,-0.00680542,-0.009849548,0.008560181,0.010238647,-0.030532837,-0.005432129,-0.03375244,-0.029907227,-0.008888245,-0.014862061,0.022506714,0.007633209,-0.00655365,0.00066900253,-0.003993988,-0.00011485815,-0.0065612793,0.029724121,-0.013809204,-0.003873825,0.029434204,0.020050049,-0.017181396,0.023040771,-0.010566711,0.0024414062,0.011932373,-0.007369995,0.02017212,-0.020141602,0.03439331,-0.012107849,-0.0071144104,0.030532837,-0.009849548,0.005508423,-0.024963379,0.0019664764,0.002571106,0.002374649,0.04257202,-0.021713257,-0.030456543,0.008148193,-0.021530151,-0.02217102,0.00024080276,0.019744873,0.037017822,-0.0052871704,0.04827881,-0.014587402,-0.0015325546,0.024215698,0.0063285828,-0.029907227,-0.0038871765,0.03793335,0.008987427,0.007675171,-0.0023593903,0.0006904602,-0.027648926,-0.007904053,0.014533997,-0.0029659271,-0.008674622,0.03817749,0.013015747,0.04849243,-0.0064468384,0.021240234,0.0038757324,0.008552551,0.022125244,0.011520386,0.049194336,-0.0035896301,-0.01689148,0.009208679,0.006641388,-0.025924683,0.0075683594,-0.0003273487,-0.0031375885,-0.042999268,0.016403198,-0.001288414,0.014190674,-0.024597168,0.007041931,-0.022445679,-0.0019950867,-0.035949707,-0.0082092285,-0.024307251,0.012771606,0.04360962,0.011383057,0.02420044,0.004924774,-0.024719238,0.014320374,0.04525757,0.006362915,-0.021575928,-0.028900146,0.009803772,-0.0027675629,0.009902954,0.0038967133,-0.017623901,-0.009033203,-0.0039901733,-0.0035743713,0.0073051453,-0.0019874573,0.020935059,0.011894226,-0.0056610107,-0.0010871887,0.023651123,-0.009544373,-0.0064849854,0.010498047,0.0029659271,0.037200928,0.03173828,-0.01625061,0.019104004,0.0095825195,-0.040893555,0.0625,0.004306793,0.03353882,-0.017562866,0.008178711,-0.043548584,-0.03390503,-0.022247314,0.006263733],"createdAt":"2026-04-18T18:36:00.413Z","updatedAt":"2026-04-23T19:00:39.918Z","lastSeenAt":"2026-04-23T19:00:39.918Z","tsv":"'/api/v1/customers/11':108 '/request':13,32 '0.02':12,31,67,138,190 '000':127 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':154 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':133 '20':126 '300':157 '6':142 'Base network API' 'USDC pay-per-call' 'accept':146 'access':114 'across':54 'actual':210 'address':153 'advertis':121,164 'ai-inference' 'ai/ml':57 'also':163 'amount':124 'analysi':168 'analyt':56 'api':5,17,24,36,45,85,113 'appear':197 'application/json':117 'asset':132 'attach':96 'base':8,27,75,128,135 'broad':50 'broader':161 'call':4,23 'caller':94 'challeng':120 'classif':171 'commit':93 'connect':202 'contain':204 'content':207 'convers':183 'cost':66 'crypto API access' 'customer-data' 'data':55,60 'data-analytics' 'decim':143 'document':193 'embed':172 'enabl':44 'endpoint':53,65,106,145,165,215 'equal':137 'estim':180 'everi':64 'exchang':175 'exist':195 'feed':174 'finance-data' 'finance/web3':59 'gas':179 'generat':185 'geocod':181 'given':139 'header':100 'individu':214 'infer':58 'json-api' 'key':18,37,86 'limit':89 'list':110 'lowpaymentfee' 'lowpaymentfee.com':39 'max':123 'micropayment API' 'network':9,28,76 'no-api-key' 'offer':48 'page':194 'paid':70 'pay':2,21 'pay-per-cal':1,20 'pay-per-request' 'pay-per-request endpoint' 'payment':80,99,151 'per':3,22,68 'platform':6,25,46,162 'point':192 'post':147 'premium':112 'price':173,191 'protocol':81 'quot':178 'rate':88,176 'request':69,103,148 'request/response':211 'requir':19,38,199 'return':116 'schema':212 'second':158 'sentiment':167 'servic':63 'set':51 'settl':150 'simpli':95 'specif':105 'subscript':92 'summar':170 'text':169 'timeout':159 'token':177 'unit':129 'unknown':217 'usdc':15,34,72,131,140 'usdc-base-network' 'util':62 'utility-services' 'valid':182 'via':10,29,77 'visibl':206 'wallet':201 'x402':11,30,43,79,98,119 'x402 API' 'x402-enabled':42 'x402-payment'","prices":[{"id":"cd047064-de44-4b11-82c7-2b1b7a5a73cb","listingId":"04d51173-0dc2-4c42-a8d2-047413d3e284","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/customers/11","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:36:00.413Z"}],"sources":[{"listingId":"04d51173-0dc2-4c42-a8d2-047413d3e284","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/customers/11","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:36:00.413Z","lastSeenAt":"2026-04-23T19:00:39.918Z"}],"details":{"listingId":"04d51173-0dc2-4c42-a8d2-047413d3e284","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/customers/11 \\\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":"The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/customers/11"},{"claim":"All endpoints cost $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The platform offers endpoints across Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/customers/11"}],"useCases":["Accessing customer or premium data records without managing API keys or subscriptions","Agent-driven workflows that need low-cost, on-demand API calls settled in USDC","Integrating analytics, AI inference, or financial data into applications with per-call billing"],"bestFor":["Developers who want zero-friction API access without signup or API key management","AI agents that can autonomously pay for API calls via x402","Users already operating on the Base L2 network with USDC"],"notFor":["Users who need detailed API documentation or well-defined request/response schemas before integrating","High-volume consumers who would benefit from bulk pricing or subscription discounts","Users without access to USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:49.109Z"},"updatedAt":"2026-04-23T19:00:39.918Z"}}