{"id":"8080ce6e-f9d7-4f5e-9741-279e21402ede","shortId":"xWLxhV","kind":"x402","title":"x402-gated API platform on Base offering data, AI, finance, and utility endpoints at $0.02/request.","tagline":"x402-gated API platform on Base offering data, AI, finance, and utility endpoints at $0.02/request.","description":"lowpaymentfee.com is an x402 protocol API platform that gates access to a variety of endpoints behind per-request micropayments settled in USDC on the Base network. The specific endpoint `/api/v1/claims/47` is listed as \"Premium API Access\" and costs up to $0.02 per call (maxAmountRequired of 20,000 base units of USDC, which has 6 decimals = $0.02). No API keys or rate limits are required; callers simply attach an x402 payment header to each request.\n\nThe broader platform advertises four categories of APIs: Data & Analytics (metrics, reports, data export, insights), AI & Machine Learning (sentiment analysis, text summarization, classification, embeddings), Finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and Infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at the same $0.02/request price point. The x402 challenge confirms the endpoint is live and accepts POST requests with JSON responses.\n\nNote that the specific functionality behind `/api/v1/claims/47` is not documented beyond the generic \"Premium API Access\" label. The docs, pricing, and API pages all appear to require a wallet connection and provide no additional technical documentation. There is no OpenAPI schema, no request/response examples, and no detailed description of what this particular claims endpoint returns.","tags":[],"capabilities":["x402-payment","usdc-base","per-request-micropayment","json-api","post-method","no-api-key","no-rate-limit"],"categories":["api-platform","payments"],"synonyms":["x402 API","micropayment API","pay-per-request API","Base USDC API","lowpaymentfee","claims API","402 payment endpoint"],"warnings":["No documentation available for the specific /api/v1/claims/47 endpoint — its purpose and expected input/output are unknown","All secondary pages (docs, pricing, API, README) render only a 'Connect wallet' prompt with no useful content","No OpenAPI or schema definition is provided","The 'Premium API Access' label is generic and does not describe actual functionality"],"endpointUrl":"https://lowpaymentfee.com/api/v1/claims/47","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/claims/47","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 confirmed) and pricing is clear ($0.02/request in USDC on Base). However, there is no documentation for what /api/v1/claims/47 actually does, no OpenAPI schema, no request/response examples, and the docs/pricing/API pages are all empty beyond a wallet-connect prompt. The listing is effectively a stub.","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":"2026-04-19T04:17:31.631Z","embedding":[-0.034851074,-0.02104187,0.03756714,0.018157959,0.0048980713,-0.021942139,-0.036499023,0.02128601,0.07183838,-0.07702637,0.037902832,-0.059051514,-0.0178833,-0.021209717,-0.050354004,0.015716553,-0.020217896,0.015731812,-0.041870117,0.041809082,0.034698486,-0.0041542053,-0.026062012,0.0211792,-0.0040283203,-0.017501831,0.015327454,-0.023040771,-0.02418518,-0.03387451,0.035949707,-0.024520874,-0.010604858,0.02015686,-0.013633728,-0.007331848,-0.004562378,0.031707764,0.031585693,-0.006313324,0.0128479,-0.038635254,0.017471313,-0.014556885,-0.048217773,0.007156372,0.036102295,-0.029037476,-0.027755737,-0.012542725,-0.027450562,-0.030670166,-0.030700684,0.015914917,0.03262329,0.023040771,-0.0005092621,-0.005104065,0.022857666,0.0051727295,-0.009162903,-0.057556152,-0.005470276,0.010551453,0.0059280396,0.0619812,-0.0034370422,0.042907715,0.018432617,0.064941406,0.034332275,0.045562744,0.041931152,0.013076782,0.0046920776,-0.026229858,-0.008544922,0.062286377,-0.016159058,-0.0072021484,-0.024978638,-0.0105896,-0.05618286,-0.0105896,-0.0076675415,-0.06414795,-0.0042648315,0.019332886,-0.041503906,0.04171753,-0.068725586,-0.0070381165,-0.012367249,0.0027637482,-0.0010375977,-0.0008497238,-0.004524231,0.032348633,0.0040283203,0.01424408,0.014572144,-0.05807495,0.032806396,0.015731812,0.04537964,0.04324341,0.011390686,0.03604126,0.015670776,-0.008010864,-0.010444641,0.007911682,-0.025405884,-0.0061302185,0.013343811,0.010971069,-0.021087646,0.034057617,-0.024978638,0.019363403,-0.06500244,0.04421997,0.018218994,-0.010604858,0.0023326874,-0.045196533,-0.011054993,0.00617218,-0.03994751,-0.006641388,0.017181396,0.0090789795,0.037017822,-0.021560669,-0.038116455,-0.00089120865,-0.010818481,-0.03488159,-0.042877197,-0.012168884,0.04055786,-0.030151367,0.0181427,0.036987305,-0.09710693,0.0015830994,-0.048217773,0.01890564,-0.018325806,-0.0115356445,0.010803223,0.033355713,-0.025543213,-0.0039863586,-0.033111572,-0.021652222,-0.008766174,0.039245605,0.0015668869,0.033477783,-0.012840271,0.02494812,0.017532349,0.0075798035,0.016113281,0.039154053,0.00036978722,-0.079833984,-0.08190918,-0.037017822,-0.016479492,-0.013824463,-0.03274536,-0.0059890747,-0.004814148,-0.093566895,-0.017547607,-0.024795532,0.011360168,-0.048187256,-0.011581421,-0.027038574,0.005203247,-0.019577026,-0.056243896,-0.016494751,-0.019592285,0.060272217,0.018112183,0.016784668,0.014350891,-0.016433716,0.046417236,0.022598267,-0.018325806,-0.03010559,0.012336731,-0.0078125,0.0345459,0.014183044,0.021728516,-0.03564453,0.048919678,0.052703857,-0.006008148,-0.021148682,-0.004562378,-0.04812622,-0.036499023,-0.028198242,0.0057029724,0.0073127747,-0.007972717,0.01977539,-0.028442383,-0.023986816,0.0021762848,0.004131317,0.023635864,0.072143555,0.013130188,0.0049362183,0.01411438,0.0137786865,-0.0473938,0.039489746,0.036987305,0.028259277,-0.019302368,-0.026535034,0.020812988,0.030700684,-0.037384033,0.003080368,-0.03137207,0.02407837,-0.009094238,0.0025253296,0.027160645,-0.019836426,-0.019485474,-0.03564453,-0.016204834,0.024459839,0.009384155,-0.04067993,-0.041900635,-0.06549072,0.032348633,0.053955078,0.018234253,0.013504028,0.0032424927,-0.021347046,-0.00028061867,-0.0715332,0.053741455,0.068359375,-0.004261017,-0.011978149,0.04458618,-0.027496338,-0.03793335,-0.019607544,-0.010406494,-0.020202637,-0.02519226,0.015235901,-0.036987305,-0.0007171631,0.026931763,0.035705566,0.05505371,-0.014091492,-0.035125732,-0.013122559,0.0043258667,-0.0072669983,-0.024795532,-0.0016374588,0.0006814003,0.02848816,0.041259766,0.006061554,0.034484863,0.0012159348,0.012962341,-0.011230469,-0.010101318,-0.023025513,-0.033813477,0.01763916,-0.00440979,-0.05947876,0.013031006,0.008094788,0.060302734,-0.051086426,0.036743164,-0.016983032,0.02444458,0.061340332,-0.014724731,-0.04284668,-0.011924744,0.029296875,0.03994751,0.027450562,0.012496948,-0.0008993149,-0.02053833,0.037628174,-0.004650116,-0.0070114136,0.019317627,0.029891968,0.034240723,0.009284973,-0.055114746,-0.027526855,-0.005748749,-0.030700684,0.034851074,-0.02128601,0.018066406,-0.009712219,0.005706787,-0.026855469,0.0070648193,-0.041992188,0.013656616,-0.015022278,-0.014541626,-0.016983032,-0.025604248,-0.0025806427,0.015090942,-0.024154663,-0.0052375793,0.035949707,0.027893066,-0.01663208,-0.0335083,-0.028442383,-0.032196045,-0.00945282,0.01902771,0.022155762,0.03125,0.020965576,-0.027648926,-0.000030100346,0.009475708,0.01499939,0.019134521,-0.00013494492,0.00023317337,-0.066467285,-0.06793213,-0.026748657,-0.035339355,0.025131226,0.020202637,0.0129852295,0.04333496,0.0043563843,-0.021072388,-0.036224365,0.026107788,-0.031951904,0.001707077,0.028305054,-0.025863647,-0.046539307,-0.0035114288,0.012008667,-0.0013208389,0.038970947,0.02015686,0.0012989044,0.06573486,0.033996582,0.018249512,0.013114929,0.0046195984,0.025115967,-0.007396698,-0.011993408,-0.035705566,-0.015426636,0.019851685,-0.014427185,-0.03378296,-0.062194824,0.046813965,0.037109375,0.082458496,0.0066871643,0.010375977,0.034301758,-0.02809143,0.006580353,-0.03466797,-0.033233643,-0.0345459,-0.04257202,0.025527954,-0.0072021484,-0.008590698,-0.034332275,0.027496338,0.004760742,0.013725281,-0.027450562,0.059783936,-0.013191223,-0.012672424,0.01626587,0.013374329,0.04901123,0.0715332,-0.04425049,0.013893127,0.02720642,-0.008071899,-0.0054473877,0.03250122,-0.0032024384,-0.012138367,-0.067871094,-0.040496826,-0.02027893,-0.013824463,-0.05029297,0.0019817352,-0.010383606,0.0309906,0.004562378,-0.008529663,-0.01084137,-0.007396698,-0.012359619,-0.0541687,-0.008636475,-0.05303955,0.006591797,0.036132812,-0.037200928,0.0052108765,0.0013694763,0.00033926964,-0.014442444,0.0067634583,0.010772705,0.0016899109,-0.05227661,0.024871826,0.0073509216,0.0013237,0.018951416,0.033996582,0.03527832,0.009025574,0.05303955,0.013336182,-0.020904541,-0.052215576,0.020584106,-0.04714966,-0.003227234,-0.0048065186,-0.02520752,-0.0018119812,-0.017868042,-0.009346008,-0.0076293945,0.008460999,-0.044067383,0.0074157715,0.024124146,-0.039093018,-0.025253296,-0.054992676,-0.02659607,-0.0021572113,0.070251465,0.023880005,0.002161026,-0.055267334,-0.015670776,0.0128479,-0.012496948,0.018005371,-0.014465332,-0.0137786865,-0.015312195,-0.04248047,-0.006416321,-0.024475098,0.039154053,-0.0007081032,-0.008987427,0.029815674,0.010391235,0.020935059,-0.0016212463,-0.0038776398,0.030227661,-0.017227173,-0.0046157837,-0.02809143,0.016525269,0.011688232,0.0006284714,-0.03842163,0.07232666,0.013397217,0.033050537,-0.03552246,0.0061683655,-0.0016765594,0.02619934,0.02003479,-0.023880005,-0.023010254,0.0019226074,-0.047180176,-0.06008911,0.043060303,-0.016235352,0.02508545,0.0128479,0.015823364,0.042510986,-0.022140503,0.009666443,0.028671265,-0.03353882,-0.0082473755,-0.018310547,-0.04058838,-0.026901245,0.0072402954,-0.020370483,0.016616821,-0.0071029663,0.005870819,-0.007297516,-0.024414062,0.029144287,0.0069389343,-0.0069847107,0.031707764,0.009841919,0.019302368,0.041259766,0.013961792,-0.028884888,0.03186035,-0.0057640076,0.009094238,-0.000102221966,0.042144775,0.033843994,-0.02178955,-0.010322571,0.00037908554,-0.013786316,-0.013824463,-0.013252258,0.010551453,0.017807007,0.005268097,-0.026229858,0.017852783,0.012367249,-0.012161255,-0.018096924,0.0155181885,0.012832642,-0.04006958,0.019973755,0.019927979,0.050811768,-0.021514893,0.0016088486,0.0077934265,0.027526855,0.026535034,0.008834839,-0.0004284382,0.015167236,-0.027862549,0.009124756,0.005054474,-0.010002136,0.015556335,0.005958557,0.028335571,0.037017822,0.019760132,-0.026626587,-0.03289795,0.0052108765,-0.013191223,-0.016784668,0.038146973,0.018859863,0.02456665,-0.013580322,0.023452759,0.020874023,-0.039520264,-0.0055236816,-0.011474609,0.040100098,-0.01751709,-0.002916336,0.02734375,-0.011665344,0.031219482,-0.04534912,0.0065231323,-0.00079774857,0.02508545,-0.015960693,-0.045898438,-0.039154053,-0.01309967,0.021087646,0.0014276505,0.020248413,0.03463745,0.009284973,0.00818634,0.020187378,-0.004650116,0.0055160522,-0.001748085,-0.054473877,-0.020019531,-0.017913818,-0.0062332153,-0.031341553,0.016525269,-0.027420044,-0.03277588,-0.004295349,-0.013763428,-0.0007686615,-0.0041770935,0.0014429092,0.031219482,0.014152527,0.012809753,-0.009803772,-0.023605347,0.0076179504,0.015274048,0.022766113,-0.03994751,0.011520386,0.0016403198,-0.009132385,-0.0042037964,0.025970459,0.018753052,0.028823853,0.007205963,0.036468506,-0.044647217,0.03262329,-0.022125244,0.018325806,0.002418518,-0.03125,-0.0076026917,-0.024154663,-0.025268555,0.04562378,-0.020553589,0.0011558533,-0.025817871,-0.032592773,-0.0053749084,-0.04864502,0.013000488,0.035614014,0.04385376,-0.033599854,0.0005993843,0.021514893,0.0052719116,-0.023086548,-0.0033493042,-0.0036067963,0.037017822,0.014190674,-0.0013389587,-0.028701782,-0.026855469,0.0134887695,0.0036067963,-0.060791016,-0.050628662,-0.011100769,0.01499939,0.0072784424,-0.0035190582,-0.02267456,-0.019943237,-0.013336182,-0.016052246,0.004711151,0.0013628006,0.018600464,0.0032577515,-0.033233643,0.007369995,0.019866943,-0.021774292,0.033966064,-0.0076675415,-0.018936157,-0.044128418,0.023132324,0.030334473,0.017700195,0.0067596436,-0.034698486,-0.0023460388,-0.022521973,-0.05682373,0.00036501884,-0.0013008118,0.008705139,0.015289307,-0.008811951,-0.055877686,-0.017089844,-0.022567749,-0.0029067993,0.025619507,0.0079422,-0.0007214546,0.0019702911,0.006542206,-0.005695343,-0.002029419,-0.023590088,0.0146865845,0.010528564,-0.005470276,0.018295288,0.035736084,0.007858276,-0.023605347,-0.0020866394,0.0062446594,0.026245117,-0.036315918,0.0039978027,-0.0037231445,0.017623901,-0.008277893,-0.016998291,-0.02796936,0.0001707077,0.06994629,0.0014286041,0.023757935,-0.015052795,-0.011169434,0.019989014,0.041107178,-0.04147339,-0.009918213,-0.041625977,0.012588501,-0.026046753,0.017440796,-0.0056648254,0.01600647,-0.022506714,-0.061767578,-0.0028572083,0.016021729,0.0011520386,-0.057037354,-0.018341064,-0.059173584,0.007335663,-0.021331787,-0.020385742,0.004512787,0.008460999,-0.016296387,-0.068237305,0.0074157715,0.060272217,0.0008263588,0.030670166,-0.0045280457,0.028015137,0.026412964,-0.024108887,-0.0045166016,0.02192688,-0.02671814,-0.022323608,-0.022262573,0.031341553,-0.011657715,-0.029434204,0.0129470825,0.028381348,0.022323608,-0.012916565,0.013412476,0.00013661385,0.013298035,-0.0046043396,0.018447876,0.00018501282,-0.0042304993,0.032073975,-0.05050659,0.032958984,0.0211792,-0.0023765564,0.0006260872,0.03237915,0.048736572,-0.041992188,-0.014274597,0.027038574,0.014167786,0.04324341,-0.02027893,0.03366089,0.025497437,-0.011482239,0.012580872,-0.016311646,-0.035308838,-0.03439331,-0.031036377,0.019577026,0.012260437,0.010185242,-0.011802673,0.0063591003,0.023971558,0.009246826,0.0023212433,-0.018630981,-0.004714966,-0.017242432,0.009803772,0.011146545,0.0048599243,0.0074539185,0.017532349,0.029693604,0.0418396,0.02267456,-0.01449585,0.010116577,0.021377563,-0.02178955,0.0030345917,0.011390686,0.017318726,0.016159058,0.020736694,0.015899658,-0.036132812,-0.014625549,-0.012313843,-0.019515991,0.004272461,-0.0064735413,-0.00069475174,0.006614685,0.008720398,-0.0037403107,-0.042236328,0.004863739,-0.028076172,-0.031982422,-0.004627228,-0.023483276,0.019500732,0.013908386,-0.005332947,0.005329132,0.005126953,0.048736572,-0.005340576,-0.008460999,0.03677368,0.03829956,0.015419006,-0.029403687,0.0015611649,-0.005378723,-0.014137268,0.008346558,-0.024291992,0.009971619,0.038970947,-0.00793457,0.00045323372,0.0005221367,0.027297974,0.003376007,0.011924744,0.0008659363,0.025222778,-0.012580872,0.04119873,-0.053375244,0.005142212,0.021026611,0.0073165894,-0.008102417,-0.017929077,-0.028152466,0.011734009,0.006099701,0.008956909,0.044036865,-0.009178162,0.026687622,-0.019973755,-0.024856567,-0.0064048767,-0.011230469,-0.023620605,0.02607727,-0.0014352798,-0.009399414,0.011871338,-0.032409668,0.025894165,-0.044189453,-0.0037784576,0.004169464,-0.0030994415,-0.0059165955,-0.022735596,-0.007167816,-0.001991272,-0.012290955,0.007461548,-0.0055618286,0.046875,0.022491455,0.028076172,0.031341553,0.035369873,0.004623413,-0.038513184,-0.02116394,0.0036239624,-0.029525757,0.019302368,-0.029785156,0.041900635,0.03149414,0.0045814514,0.02230835,0.042510986,0.029037476,0.011962891,0.021270752,-0.027893066,0.024261475,-0.018096924,0.031021118,-0.01663208,0.055664062,-0.02507019,0.017288208,-0.009384155,0.0036239624,-0.0061302185,0.03111267,0.06866455,0.039733887,-0.00630188,0.031204224,-0.006855011,-0.015808105,-0.012535095,-0.027786255,0.06451416,-0.005542755,0.042266846,0.027420044,0.009178162,0.0029087067,0.027008057,-0.018814087,-0.029876709,0.049987793,0.023895264,-0.024536133,-0.015625,-0.0063285828,0.015792847,-0.03982544,-0.012519836,0.03253174,-0.004463196,0.005027771,-0.014167786,-0.002954483,-0.0021362305,0.009605408,0.015571594,0.015403748,-0.003824234,0.016357422,0.022659302,0.004219055,0.027053833,0.0079574585,0.035827637,-0.026870728,-0.016204834,0.0015954971,0.011062622,0.0022144318,-0.0084991455,0.028823853,0.01928711,0.05609131,0.034698486,-0.023895264,-0.004131317,0.0178833,0.024551392,0.016036987,0.039642334,0.025253296,0.012825012,0.029815674,0.042266846,0.023391724,-0.03387451,0.025726318,-0.0104522705,0.012535095,-0.009262085,-0.022781372,0.01309967,-0.011764526,0.008453369,0.013374329,0.0028018951,0.025054932,0.02067566,-0.0010595322,0.004776001,-0.0137786865,0.020263672,-0.006137848,0.007701874,0.016098022,-0.021392822,0.018188477,0.021148682,0.033966064,-0.022567749,0.035461426,-0.0030765533,-0.01977539,-0.002817154,0.00699234,-0.035949707,-0.0105896,0.008605957,-0.013961792,-0.032592773,0.014907837,0.026245117,-0.019821167,0.025436401,0.012901306,-0.009933472,-0.013427734,0.027679443,0.019836426,-0.0072135925,-0.003145218,-0.010612488,0.03137207,0.046020508,0.00440979,-0.007701874,-0.024154663,0.003545761,0.01360321,0.000050127506,0.00040531158,0.011642456,0.002588272,-0.027923584,0.014762878,0.032287598,0.027191162,0.032470703,-0.011116028,-0.008277893,0.0066184998,0.03125,0.013153076,-0.00064468384,-0.0028572083,0.024429321,-0.021713257,0.03338623,0.033294678,0.001958847,0.033935547,0.0009636879,-0.011436462,0.0079193115,-0.019577026,0.03414917,-0.017807007,0.02571106,-0.0023174286,0.021972656,-0.019760132,-0.045196533,0.014167786,-0.016723633,-0.018600464,-0.027191162,0.016143799,0.011306763,0.015129089,0.028701782,0.028747559,-0.029556274,0.064819336,-0.013633728,0.05279541,-0.016967773,0.0040283203,0.05718994,0.033996582,0.042175293,0.01272583,0.013412476,-0.017608643,0.0138168335,0.031799316,0.02760315,0.005138397,-0.0023212433,-0.011909485,0.032470703,-0.0022773743,0.042144775,0.000009000301,-0.009246826,0.021270752,-0.0023021698,-0.008460999,0.0015039444,-0.008041382,0.0178833,0.055847168,-0.032043457,-0.0065994263,-0.004638672,-0.007610321,0.027832031,-0.008308411,0.0112838745,0.0014686584,-0.016296387,0.016647339,-0.03237915,-0.0032348633,0.015640259,0.022766113,-0.054992676,-0.012565613,0.0067443848,0.019485474,-0.03302002,0.02444458,0.029037476,0.009513855,0.02217102,0.033966064,-0.0017967224,0.03768921,-0.00088119507,0.029144287,0.052124023,0.0045051575,-0.013687134,0.011672974,-0.0003144741,-0.017868042,0.009712219,0.022216797,-0.008979797,0.0047073364,-0.003768921,-0.0031223297,0.0063934326,0.01737976,-0.015052795,0.0012397766,0.0012512207,-0.015609741,0.0026550293,0.008972168,0.011741638,0.0072021484,-0.0047836304,-0.015380859,0.016479492,0.030776978,0.028640747,-0.037719727,0.0054397583,0.016555786,0.0003004074,-0.030960083,-0.021438599,-0.004283905,-0.035705566,0.0077552795,0.023468018,0.016403198,0.0135650635,-0.029922485,-0.005504608,0.04458618,0.013175964,0.009796143,-0.002691269,-0.016082764,0.011787415,-0.019332886,0.0007739067,-0.01701355,-0.017288208,0.017669678,0.016021729,-0.017974854,-0.02558899,0.023468018,-0.0019435883,0.010498047,-0.004787445,-0.005317688,0.03111267,-0.004421234,0.002500534,0.002357483,0.019058228,0.0021476746,-0.017089844,-0.0289917,0.036499023,0.05496216,-0.007873535,-0.00070524216,0.011566162,0.01940918,0.01574707,0.0413208,0.007850647,0.050689697,0.025970459,-0.023406982,-0.032562256,0.029373169,-0.010650635,-0.029876709,0.02545166,-0.01689148,-0.017807007,0.011711121,-0.0013895035,-0.0010128021,-0.025283813,-0.014762878,-0.009239197,-0.012512207,0.027389526,-0.010040283,0.0072250366,-0.03933716,-0.020492554,0.0044670105,-0.015296936,-0.035980225,-0.027862549,-0.0026779175,-0.018112183,-0.057403564,0.014404297,-0.02357483,0.008308411,-0.029632568,0.0044174194,-0.0024795532,0.029876709,-0.009178162,-0.0011692047,0.0065612793,0.034179688,0.007434845,0.008056641,0.020843506,-0.011779785,-0.024673462,-0.015205383,0.00048208237,0.0013399124,0.017074585,-0.009231567,0.043151855,0.01411438,-0.018798828,-0.0044403076,-0.008903503,-0.0065956116,-0.006790161,-0.022705078,-0.017486572,0.017959595,0.023788452,-0.013031006,-0.00945282,0.05343628,-0.01777649,-0.01876831,0.027297974,0.038604736,0.01776123,0.034698486,-0.009162903,-0.0063323975,-0.019683838,0.012062073,-0.014389038,0.011665344,0.0072784424,-0.002948761,-0.00434494,0.011116028,0.022125244,-0.00945282,0.0077209473,0.021636963,0.012535095,-0.010185242,0.041534424,0.0146484375,0.006893158,-0.022018433,-0.015670776,0.024047852,0.060668945,0.020553589,0.015426636,-0.0030498505,0.0051994324,-0.009994507,0.009742737,0.010612488,-0.02128601,-0.035736084,-0.013450623,-0.029296875,0.0236969,-0.0022697449,-0.0019006729,-0.010314941,0.017410278,-0.0044670105,-0.032348633,-0.011947632,0.029922485,0.013061523,-0.010246277,-0.008514404,0.0045318604,0.021057129,-0.030914307,-0.0018396378,-0.038970947,-0.028121948,-0.012008667,-0.016952515,0.035583496,0.00504303,-0.0129852295,-0.0014638901,-0.0015926361,-0.009521484,0.012046814,0.026123047,-0.008590698,-0.003326416,0.017105103,0.032196045,-0.01776123,0.027008057,-0.018692017,-0.012184143,0.014335632,-0.009162903,0.025787354,-0.03289795,0.02217102,0.013153076,0.0025844574,0.032409668,-0.0069732666,0.021759033,-0.027572632,-0.0026493073,-0.0036563873,-0.010871887,0.02268982,-0.004627228,-0.029846191,-0.0003516674,-0.013618469,-0.03201294,0.003288269,0.024810791,0.03274536,-0.0074157715,0.044158936,-0.015075684,0.0021686554,0.009925842,0.020187378,-0.005710602,0.0062446594,0.03201294,-0.007881165,0.019958496,-0.0041275024,-0.016433716,-0.034576416,-0.016067505,0.007713318,-0.013145447,-0.0060691833,0.035980225,0.0154953,0.038085938,-0.0058288574,0.01953125,0.020599365,0.0012874603,0.021499634,0.0054397583,0.035888672,-0.0006365776,-0.03062439,0.0005469322,0.011360168,-0.027008057,0.0063476562,-0.010566711,0.012367249,-0.030761719,0.0018453598,-0.0012178421,0.022384644,-0.025878906,0.01737976,-0.019683838,0.004348755,-0.03338623,-0.0020828247,-0.03164673,0.0032463074,0.030334473,0.020446777,0.010154724,0.008430481,-0.020385742,0.03353882,0.05645752,0.002729416,-0.035217285,-0.0178833,0.007003784,-0.0050582886,-0.007843018,0.0057373047,-0.016921997,-0.0104599,-0.007068634,-0.014022827,0.010826111,-0.0077667236,0.02444458,0.008720398,-0.013381958,-0.019515991,0.027938843,-0.0096206665,-0.0037498474,0.0031318665,0.0074157715,0.036132812,0.044799805,-0.022491455,0.014907837,0.019485474,-0.04748535,0.056762695,0.0003194809,0.022094727,-0.019302368,0.010101318,-0.044647217,-0.015609741,-0.009887695,0.009429932],"createdAt":"2026-04-18T18:45:54.322Z","updatedAt":"2026-04-24T09:32:09.843Z","lastSeenAt":"2026-04-24T09:32:09.843Z","tsv":"'/api/v1/claims/47':65,183 '/request':17,34,159 '0.02':16,33,76,91,158 '000':82 '20':81 '402 payment endpoint' '6':89 'Base USDC API' 'accept':171 'access':44,71,192 'addit':210 'advertis':113 'ai':10,27,125 'analysi':129 'analyt':119 'api':4,21,40,70,93,117,191,198 'appear':201 'attach':102 'base':7,24,60,83 'behind':50,182 'beyond':187 'broader':111 'call':78 'caller':100 'categori':115 'challeng':164 'claim':229 'claims API' 'classif':132 'confirm':165 'connect':206 'convers':149 'cost':73 'data':9,26,118,122 'decim':90 'descript':224 'detail':223 'doc':195 'document':186,212 'embed':133 'endpoint':14,31,49,64,152,167,230 'estim':143 'exampl':220 'exchang':138 'export':123 'feed':137 'financ':11,28,134 'four':114 'function':181 'gas':142 'gate':3,20,43 'generat':150 'generic':189 'geocod':147 'header':106 'infrastructur':145 'insight':124 'json':175 'json-api' 'key':94 'label':193 'learn':127 'limit':97 'list':67,154 'live':169 'lowpaymentfee' 'lowpaymentfee.com':35 'machin':126 'maxamountrequir':79 'metric':120 'micropay':54 'micropayment API' 'network':61 'no-api-key' 'no-rate-limit' 'note':177 'offer':8,25 'openapi':216 'page':199 'particular':228 'pay-per-request API' 'payment':105 'per':52,77 'per-request':51 'per-request-micropayment' 'platform':5,22,41,112 'point':161 'post':172 'post-method' 'premium':69,190 'price':136,160,196 'protocol':39 'provid':208 'quot':141 'rate':96,139 'report':121 'request':53,109,173 'request/response':219 'requir':99,203 'respons':176 'return':231 'schema':217 'sentiment':128 'settl':55 'simpli':101 'specif':63,180 'summar':131 'technic':211 'text':130 'token':140 'unit':84 'usdc':57,86 'usdc-base' 'util':13,30,146 'valid':148 'varieti':47 'wallet':205 'web3':135 'x402':2,19,38,104,163 'x402 API' 'x402-gated':1,18 'x402-payment'","prices":[{"id":"456e1eef-9a69-4202-9e62-0b8826576e33","listingId":"8080ce6e-f9d7-4f5e-9741-279e21402ede","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/claims/47","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:45:54.322Z"}],"sources":[{"listingId":"8080ce6e-f9d7-4f5e-9741-279e21402ede","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/claims/47","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:45:54.322Z","lastSeenAt":"2026-04-24T09:32:09.843Z"}],"details":{"listingId":"8080ce6e-f9d7-4f5e-9741-279e21402ede","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/claims/47 \\\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 in USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base network","source_url":"https://lowpaymentfee.com/api/v1/claims/47"},{"claim":"All listed APIs are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The platform offers Data & Analytics, AI & ML, Finance & Web3, and Infrastructure API categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Accessing premium data or services via per-request USDC micropayments on Base","Agent-driven API consumption without pre-registration or API keys","Testing x402 protocol integrations with a low-cost endpoint"],"bestFor":["Developers experimenting with x402 payment protocol","AI agents that need keyless, pay-per-call API access","Users who want to avoid subscriptions and pay only per request"],"notFor":["Users who need detailed API documentation or OpenAPI specs before integrating","High-volume consumers who would benefit from bulk pricing or subscriptions","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:20.196Z"},"updatedAt":"2026-04-24T09:32:09.843Z"}}