{"id":"fe8e1979-d1a4-4c6d-b9e4-a7fb5f108d34","shortId":"f3tFc7","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 marketplace that gates access to a variety of endpoints behind per-request micropayments settled in USDC on the Base network. The specific endpoint at `/api/v1/trades/18` is listed as \"Premium API Access\" and accepts POST requests. The x402 challenge indicates a maximum cost of 20,000 base units of USDC (0x8335…), which equals $0.02 per request (USDC uses 6 decimals). Payment is made via the x402 exact scheme with no API keys, rate limits, or subscriptions required.\n\nThe broader platform advertises four categories of endpoints: 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 listed endpoints share the same $0.02/request pricing. However, the specific `/api/v1/trades/18` endpoint does not clearly map to any of these advertised categories — its exact functionality is not documented beyond the generic \"Premium API Access\" label.\n\nDocumentation is extremely sparse. The /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what data or functionality the `/api/v1/trades/18` endpoint actually returns. The endpoint is confirmed live (402 challenge captured), but the lack of documentation makes it difficult to assess what value it provides.","tags":[],"capabilities":["x402-payment","usdc-micropayment","base-network","per-request-billing","no-api-key","post-endpoint"],"categories":["finance","data"],"synonyms":["x402 API","micropayment API","pay-per-request API","USDC API","Base network API","lowpaymentfee","trades API"],"warnings":["The exact functionality of /api/v1/trades/18 is undocumented — 'Premium API Access' is the only description available.","All documentation pages (/docs, /api, /pricing, /README) return only a 'Connect wallet' prompt with no content.","No OpenAPI schema, request format, or response examples are available.","The endpoint path '/api/v1/trades/18' does not correspond to any of the advertised endpoint categories on the homepage."],"endpointUrl":"https://lowpaymentfee.com/api/v1/trades/18","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/trades/18","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is confirmed live via a valid 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no documentation, no OpenAPI schema, no request/response examples, and the specific purpose of /api/v1/trades/18 is undocumented beyond a generic label. The docs pages are all empty wallet-connect prompts.","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":"2026-04-19T11:46:22.312Z","embedding":[-0.042022705,-0.016082764,0.02508545,0.0069770813,0.021621704,-0.018798828,-0.029632568,0.032592773,0.07562256,-0.050872803,0.03656006,-0.04055786,-0.02998352,-0.034942627,-0.019241333,0.007511139,-0.02079773,-0.0037250519,-0.064575195,0.045898438,0.04675293,-0.021362305,-0.024871826,0.03161621,-0.021377563,-0.015586853,0.002254486,-0.0040130615,-0.033813477,-0.023269653,0.03463745,-0.031707764,-0.0059890747,0.0072746277,-0.0015420914,-0.014289856,0.018997192,0.04586792,0.03463745,-0.005622864,0.020736694,-0.060821533,0.008926392,-0.01398468,-0.04953003,-0.01449585,0.013900757,-0.017028809,-0.0077590942,-0.013587952,-0.03237915,0.0068855286,-0.015823364,0.0037117004,0.019378662,0.0032348633,-0.014503479,-0.015060425,0.01247406,0.010040283,-0.0070724487,-0.06173706,0.0033359528,0.004535675,0.0040245056,0.04498291,-0.0040397644,0.038848877,0.000072956085,0.06109619,0.02420044,0.03250122,0.040618896,0.013023376,0.0046043396,-0.010665894,-0.030059814,0.05392456,-0.012878418,-0.0010681152,-0.028900146,-0.0025196075,-0.05630493,-0.030410767,-0.023239136,-0.07244873,-0.021316528,0.0067367554,-0.04055786,0.013168335,-0.08331299,-0.012748718,0.009536743,0.008972168,-0.0024967194,-0.02268982,-0.010017395,0.013435364,-0.002155304,0.01864624,0.006511688,-0.037902832,0.014884949,0.017120361,0.049438477,0.034332275,0.017150879,0.017150879,0.0011606216,-0.0259552,-0.027664185,0.00258255,0.0003156662,-0.0075645447,0.0046691895,0.0054397583,-0.01689148,0.015411377,-0.017364502,0.026367188,-0.058013916,0.046569824,0.022338867,-0.016555786,-0.0045394897,-0.04296875,0.0015621185,-0.00052690506,-0.034179688,-0.01234436,0.030303955,0.001742363,0.032287598,-0.012687683,-0.03665161,0.0032672882,-0.022003174,-0.0058021545,-0.049346924,-0.009849548,0.0496521,-0.020904541,0.015434265,0.034362793,-0.10437012,0.0016965866,-0.036865234,0.018554688,-0.02923584,0.0044136047,0.017364502,0.01737976,-0.020507812,-0.038909912,-0.01626587,-0.03744507,-0.012611389,0.03933716,-0.0035934448,0.019012451,-0.01550293,0.02571106,0.0058784485,0.023040771,0.016952515,0.027801514,0.0037612915,-0.09527588,-0.080322266,-0.037200928,0.0067710876,-0.010940552,-0.040771484,-0.011268616,-0.009124756,-0.07287598,-0.03845215,-0.018844604,0.0006299019,-0.046783447,-0.008705139,-0.028396606,0.014854431,-0.0072669983,-0.048919678,-0.033325195,-0.023773193,0.04324341,0.009757996,0.0011959076,0.012069702,0.0079422,0.053710938,0.024597168,-0.003124237,-0.034240723,0.008987427,-0.0066947937,0.0602417,0.010261536,0.025146484,-0.03189087,0.030761719,0.053649902,0.0044517517,-0.03286743,0.007144928,-0.055023193,-0.046813965,-0.039245605,0.0131073,0.016464233,-0.015716553,0.020751953,-0.028579712,-0.03152466,0.0053596497,0.031143188,0.019012451,0.0657959,0.014213562,0.01739502,0.01071167,0.024536133,-0.019104004,0.046325684,0.036590576,0.007030487,-0.008903503,-0.04159546,0.018188477,0.046081543,-0.03881836,-0.002325058,0.00066423416,0.0066947937,-0.0017271042,-0.0030784607,0.017105103,-0.003643036,-0.018203735,-0.026916504,-0.006340027,0.009132385,-0.011116028,-0.039489746,-0.04135132,-0.07080078,0.018096924,0.056640625,0.047729492,-0.0009422302,-0.011985779,-0.030044556,-0.011276245,-0.08081055,0.039398193,0.06689453,-0.015304565,-0.01423645,0.0368042,-0.0048065186,-0.037078857,-0.0104599,-0.018722534,-0.012527466,-0.02293396,0.017913818,-0.035858154,-0.009796143,0.018249512,0.038238525,0.036499023,-0.025558472,-0.044403076,-0.048461914,-0.011123657,0.023986816,-0.027175903,-0.0033397675,0.017868042,0.029067993,0.031341553,-0.0011281967,0.0178833,0.013420105,0.017242432,0.00033783913,0.010414124,-0.03164673,-0.03491211,0.013206482,0.0209198,-0.06958008,0.0048675537,-0.009239197,0.06976318,-0.054229736,0.044555664,-0.02494812,0.031951904,0.033966064,-0.02557373,-0.042816162,-0.016601562,0.010475159,0.03479004,0.041137695,0.0002194643,-0.0119018555,-0.018707275,0.06896973,-0.024337769,-0.01184082,0.0062179565,0.027359009,0.0463562,-0.0033092499,-0.046325684,-0.029205322,-0.007381439,-0.023361206,0.030899048,-0.011634827,0.03994751,-0.018234253,0.0031337738,-0.03338623,0.0030937195,-0.05218506,-0.002620697,-0.029693604,-0.0057907104,-0.028823853,-0.031188965,0.012390137,0.018951416,-0.008850098,0.013626099,0.036193848,0.018676758,-0.020004272,-0.026931763,-0.02078247,-0.0019760132,-0.017486572,0.0104904175,0.012611389,0.02017212,0.033111572,-0.027496338,-0.0027427673,0.02394104,0.012145996,0.027542114,-0.005680084,0.0047721863,-0.050994873,-0.05267334,-0.023727417,-0.039154053,0.014465332,-0.0033397675,0.0034542084,0.045318604,0.003479004,-0.0046310425,-0.039367676,0.0016717911,-0.044555664,-0.0079574585,0.048187256,-0.034606934,-0.05618286,0.0007739067,0.005092621,0.0054130554,0.037994385,0.022338867,0.02281189,0.075927734,0.024642944,0.016723633,0.019515991,-0.002664566,0.025543213,-0.004261017,-0.019638062,-0.0390625,-0.012634277,0.015136719,-0.031829834,-0.023757935,-0.064331055,0.05819702,0.028121948,0.08477783,0.012817383,0.019805908,0.030395508,-0.0158844,0.017700195,-0.04159546,-0.02923584,-0.023330688,-0.03286743,0.023605347,0.0005288124,-0.029129028,-0.018478394,0.035736084,0.0018386841,0.009178162,-0.035949707,0.042663574,-0.023376465,-0.010185242,0.017669678,0.0043754578,0.058135986,0.05480957,-0.054260254,0.00982666,0.022857666,-0.012527466,0.0026302338,0.043426514,-0.009300232,-0.020767212,-0.06237793,-0.033203125,-0.008560181,-0.020507812,-0.055236816,0.009346008,0.0069503784,0.02998352,-0.003484726,-0.0016832352,-0.016693115,0.007904053,-0.022232056,-0.04547119,-0.0069236755,-0.051086426,0.01828003,0.04119873,-0.01676941,-0.00023424625,-0.01235199,-0.0023841858,-0.0076789856,0.011314392,0.005809784,0.0039520264,-0.051116943,0.042388916,0.006164551,0.014671326,0.025787354,0.026275635,0.041015625,0.0079956055,0.05630493,0.018814087,-0.031280518,-0.068847656,0.018859863,-0.025985718,0.0065727234,0.0013380051,-0.033111572,-0.009605408,-0.0075035095,-0.021911621,-0.015655518,0.02104187,-0.011749268,0.009162903,0.02772522,-0.026504517,-0.04232788,-0.061798096,-0.024673462,0.01701355,0.08843994,0.016311646,0.00032401085,-0.057495117,-0.01586914,0.019989014,-0.0076446533,0.030822754,-0.015640259,-0.015197754,-0.017105103,-0.03817749,-0.037841797,-0.031143188,0.0418396,0.0033721924,-0.009490967,0.022918701,-0.0010185242,-0.0020179749,-0.003932953,-0.004348755,0.025817871,-0.019470215,-0.0043678284,-0.033813477,0.02015686,0.010925293,-0.004283905,-0.051116943,0.047454834,-0.00022411346,0.055236816,-0.034851074,-0.0023860931,-0.009643555,0.014854431,0.00491333,-0.021347046,-0.0074882507,-0.00031471252,-0.03137207,-0.06878662,0.034301758,-0.010917664,0.023239136,0.017837524,0.016586304,0.034576416,-0.020629883,0.0052375793,0.012893677,-0.028442383,-0.008041382,-0.022781372,-0.030258179,-0.008522034,0.0009279251,-0.021194458,0.019134521,-0.013534546,0.011360168,-0.010543823,-0.022628784,0.036865234,0.028717041,0.0008172989,0.020233154,0.016662598,0.010757446,0.03665161,0.011482239,-0.05404663,0.028366089,-0.009216309,0.0022583008,-0.002828598,0.043304443,0.021087646,-0.018218994,-0.01777649,-0.009178162,-0.019226074,-0.011482239,-0.017059326,0.017990112,0.016601562,0.01096344,-0.03753662,0.03704834,0.007293701,-0.020507812,-0.031982422,0.026367188,0.021133423,-0.04232788,0.01979065,0.010719299,0.064208984,-0.029907227,0.022369385,0.0033817291,0.039978027,0.016799927,-0.0011529922,-0.006504059,0.0129470825,-0.024017334,0.010955811,0.00019943714,-0.011489868,0.02722168,0.005504608,0.01586914,0.020599365,0.011360168,-0.02796936,-0.029769897,-0.00381279,-0.01020813,-0.00042796135,0.034484863,0.011276245,0.02659607,-0.025558472,0.028686523,0.023895264,-0.04196167,-0.013694763,-0.025131226,0.038909912,-0.009506226,-0.0017442703,0.022659302,-0.007575989,-0.0013818741,-0.051818848,-0.0023555756,0.013137817,0.010787964,-0.0038414001,-0.048583984,-0.029846191,-0.0063438416,0.044830322,0.0022468567,0.018203735,0.024490356,0.0034046173,0.007865906,0.010719299,-0.001408577,-0.006664276,-0.015205383,-0.0501709,-0.025222778,0.0008020401,-0.0023593903,-0.01777649,0.017974854,-0.03567505,-0.018600464,0.010139465,-0.026626587,0.0022182465,-0.013694763,0.015960693,0.024368286,0.009048462,0.023117065,-0.0075302124,-0.024993896,-0.0032520294,-0.003162384,0.026443481,-0.012931824,0.023590088,-0.010787964,-0.010437012,-0.007286072,0.0028934479,0.027374268,0.02268982,0.006641388,0.039642334,-0.041870117,0.041015625,-0.0154800415,0.010665894,-0.004776001,-0.03060913,-0.022903442,-0.029525757,-0.021835327,0.031341553,-0.023956299,-0.006511688,-0.0256958,-0.037139893,-0.011932373,-0.05429077,0.024032593,0.027832031,0.043029785,-0.028717041,0.0017204285,0.018356323,0.008956909,-0.0015258789,-0.00023639202,-0.016357422,0.03164673,0.037322998,0.00027751923,-0.03768921,-0.029815674,-0.0052108765,-0.00045704842,-0.057647705,-0.048065186,-0.014160156,0.026947021,0.0027160645,0.003353119,-0.027694702,-0.036621094,0.0060310364,-0.030822754,0.007083893,0.00040006638,0.019424438,0.007850647,-0.017654419,0.0019330978,0.01927185,-0.028289795,0.032409668,-0.013679504,-0.0063171387,-0.056732178,0.00667572,0.044403076,0.026046753,0.0016117096,-0.03012085,0.0034103394,-0.027175903,-0.049224854,-0.0016326904,0.008132935,-0.0040626526,0.00019991398,0.0026798248,-0.046569824,-0.0009326935,-0.0284729,-0.0033550262,0.016952515,0.0124053955,0.0010442734,0.0035896301,-0.0017995834,0.010231018,-0.0073013306,-0.018173218,0.0026130676,0.011772156,-0.008178711,0.013366699,0.051757812,0.0024909973,-0.00969696,-0.008155823,-0.00064468384,0.0087890625,-0.01751709,0.02116394,-0.014289856,0.016738892,-0.010406494,-0.0020389557,-0.035308838,0.0020122528,0.06604004,-0.0010881424,0.016464233,-0.0023994446,-0.012840271,0.010787964,0.034210205,-0.04827881,-0.0060920715,-0.042388916,0.036895752,-0.018676758,0.020721436,-0.0024490356,0.011917114,-0.028747559,-0.055389404,-0.008216858,0.00819397,0.004535675,-0.06964111,-0.030899048,-0.06976318,-0.0096588135,-0.032348633,-0.027359009,-0.004436493,-0.0071525574,-0.02720642,-0.090270996,0.004508972,0.05392456,0.0016613007,0.022872925,-0.010810852,0.018157959,0.041137695,-0.02267456,-0.008659363,0.012756348,-0.023513794,-0.018875122,-0.034942627,0.03186035,-0.0037651062,-0.018341064,0.01676941,0.017456055,0.02420044,-0.016220093,0.033081055,-0.008422852,0.012748718,-0.013648987,0.015899658,-0.013832092,-0.013519287,0.041931152,-0.054748535,0.031829834,0.010238647,0.0038223267,0.00021517277,0.02746582,0.023788452,-0.04058838,-0.0015335083,0.025772095,0.012161255,0.032592773,-0.01486969,0.052947998,0.014060974,-0.0074272156,0.0032215118,-0.010108948,-0.0008764267,-0.03274536,-0.039733887,0.029312134,0.010192871,0.011955261,-0.016143799,-0.011138916,0.02268982,0.005706787,-0.004322052,-0.01374054,-0.012527466,-0.026184082,0.004890442,0.013916016,-0.009124756,0.004890442,0.012557983,0.029006958,0.031311035,0.0018415451,-0.008285522,0.01399231,0.03164673,-0.015098572,-0.0011634827,0.01625061,0.016494751,0.023757935,0.015609741,0.023040771,-0.03967285,-0.019073486,-0.014038086,-0.012031555,0.0077590942,0.0015735626,0.009506226,-0.010108948,0.0048980713,0.008003235,-0.0446167,-0.007751465,-0.022750854,-0.02545166,-0.010299683,-0.01020813,0.020904541,0.0206604,0.0046463013,0.008644104,-0.0054855347,0.035491943,0.0053596497,-0.0023841858,0.036071777,0.038726807,0.029846191,-0.033843994,-0.0025482178,-0.0109939575,-0.009605408,0.009033203,-0.016281128,0.02279663,0.04348755,-0.009140015,-0.002866745,-0.0064811707,0.022109985,-0.012107849,0.015182495,0.0010738373,0.012672424,-0.02003479,0.033172607,-0.04385376,0.011550903,0.027435303,0.0038986206,0.0029945374,-0.026367188,-0.022827148,0.020309448,0.0065078735,-0.009994507,0.043640137,0.0029411316,0.02079773,-0.020111084,-0.017822266,-0.0065994263,-0.009178162,-0.03265381,0.0074005127,-0.019638062,0.005794525,0.010650635,-0.046051025,0.034820557,-0.042388916,0.0062942505,0.0077400208,0.009613037,-0.021331787,-0.021347046,-0.000446558,-0.019348145,-0.016708374,0.0017700195,-0.0066223145,0.052886963,0.023727417,0.04196167,0.034301758,0.015205383,0.0062789917,-0.03427124,-0.023834229,-0.007083893,-0.009399414,0.008384705,-0.025360107,0.036590576,0.035858154,-0.0056533813,0.044036865,0.042175293,0.029418945,-0.0031967163,0.015975952,-0.009361267,0.031082153,-0.025100708,0.010063171,-0.0015392303,0.037017822,-0.030685425,0.01121521,-0.007118225,0.032958984,-0.016708374,0.033203125,0.068237305,0.026229858,0.002292633,0.03250122,-0.008308411,-0.012649536,-0.0032100677,-0.014076233,0.05178833,0.0033550262,0.041137695,0.03100586,-0.0018234253,-0.003124237,0.015701294,-0.01689148,-0.027297974,0.050109863,0.02192688,-0.026351929,0.0023765564,-0.015289307,0.0073394775,-0.037506104,-0.0075912476,0.018325806,-0.0031108856,0.011672974,-0.00085163116,-0.0046958923,-0.018630981,0.027877808,-0.0010070801,0.008796692,-0.0060691833,0.027069092,0.024139404,0.0017948151,0.02432251,0.0033092499,0.016937256,-0.03338623,-0.00819397,0.009338379,0.0070648193,0.008422852,0.0020046234,0.026885986,0.021652222,0.047973633,0.030792236,-0.013832092,-0.015434265,0.01826477,0.020019531,0.0055656433,0.03640747,0.021514893,0.0067634583,0.04272461,0.045898438,0.022949219,-0.028335571,0.017074585,-0.011428833,0.009208679,-0.007381439,-0.0082092285,0.00945282,-0.0027656555,0.00881958,0.012161255,-0.0028514862,0.01889038,0.017410278,-0.00881958,0.0047302246,-0.008972168,0.019485474,-0.0109939575,0.002981186,0.0032234192,-0.0071792603,0.018676758,0.015022278,0.026046753,-0.030731201,0.037353516,0.0008049011,-0.016159058,-0.0027427673,0.018539429,-0.04043579,-0.005958557,-0.0035095215,-0.01171875,-0.039764404,0.010986328,0.010025024,0.0013504028,0.009117126,0.012916565,-0.015022278,-0.0067100525,0.029037476,0.01600647,-0.0047683716,-0.0031032562,-0.012573242,0.022964478,0.043304443,0.0005221367,-0.007896423,-0.023483276,0.0025806427,0.01878357,-0.0082092285,-0.0021266937,0.015365601,-0.005180359,-0.023452759,0.014816284,0.03237915,0.01876831,0.042053223,-0.024993896,-0.012550354,-0.0015077591,0.031280518,0.009742737,0.0015773773,0.005256653,0.017425537,-0.004173279,0.043823242,0.02861023,0.003250122,0.031188965,-0.0076828003,-0.0022144318,0.007091522,-0.018600464,0.013381958,-0.016616821,0.013641357,-0.0063972473,0.024993896,-0.022644043,-0.044799805,0.0009899139,-0.023376465,-0.021774292,-0.024871826,0.015197754,-0.004535675,0.019607544,0.03652954,0.021743774,-0.017227173,0.06970215,-0.016098022,0.053100586,-0.011779785,-0.008155823,0.053253174,0.029708862,0.04425049,0.012458801,0.016906738,-0.02659607,0.024368286,0.038208008,0.027862549,0.00541687,-0.0046195984,-0.01626587,0.03567505,-0.006275177,0.02330017,0.007881165,0.002002716,0.016479492,-0.0061035156,-0.020462036,-0.00069236755,-0.006958008,0.013336182,0.062561035,-0.010658264,-0.012664795,-0.02116394,-0.008621216,0.02671814,-0.0032863617,0.0030536652,-0.014793396,-0.0154800415,0.0143966675,-0.03668213,-0.0025920868,0.00579834,0.031036377,-0.058258057,-0.034179688,0.0044937134,0.034332275,-0.025909424,0.030090332,0.020736694,-0.020629883,0.006298065,0.043548584,0.0023326874,0.032958984,-0.010627747,0.030929565,0.042999268,0.0045204163,-0.012527466,0.00982666,-0.000035583973,-0.016830444,0.021087646,0.03918457,-0.0020618439,0.0028266907,0.00472641,-0.002023697,0.005332947,0.006210327,-0.013664246,0.0050239563,-0.0004553795,-0.0042648315,0.016311646,0.002670288,-0.012336731,-0.006778717,-0.0025691986,-0.020614624,0.008544922,0.03591919,0.008674622,-0.056732178,0.00020599365,0.016784668,-0.0036640167,-0.023468018,-0.01625061,-0.013641357,-0.031173706,0.009681702,0.018371582,0.01461792,0.005622864,-0.016174316,-0.007843018,0.04031372,0.013389587,0.008979797,0.016601562,-0.0041656494,0.020385742,-0.023956299,0.0024204254,-0.0066719055,0.0025081635,0.013412476,0.021835327,-0.0030822754,-0.026519775,0.0090408325,-0.0023021698,0.010910034,0.013122559,-0.00818634,0.01386261,-0.0132751465,0.0009236336,0.013572693,0.009803772,-0.010002136,-0.007106781,-0.022491455,0.023025513,0.054107666,-0.015792847,-0.0077171326,0.013786316,0.024536133,0.021377563,0.03527832,0.015686035,0.031188965,0.022705078,-0.0047416687,-0.03137207,0.021942139,-0.008232117,-0.019302368,0.01914978,-0.0016860962,-0.014907837,0.020385742,0.0058898926,0.0024204254,-0.032043457,-0.014129639,-0.012611389,-0.017868042,0.015007019,-0.005142212,0.0051460266,-0.041748047,-0.021316528,0.02557373,-0.018096924,-0.02758789,-0.021453857,-0.0075035095,-0.0143585205,-0.05291748,-0.0011844635,-0.007205963,0.015304565,-0.026321411,0.012550354,0.008766174,0.041809082,-0.00066185,0.0039100647,0.01876831,0.030334473,0.0028572083,0.0050468445,0.030090332,-0.01878357,-0.030822754,-0.012664795,-0.00042629242,-0.012413025,0.01890564,-0.008255005,0.027191162,0.012435913,-0.0071792603,-0.0011262894,-0.011978149,0.007232666,-0.012069702,-0.027832031,-0.022094727,0.014709473,0.029129028,-0.0011262894,-0.013435364,0.03817749,-0.025802612,-0.015045166,0.016845703,0.033355713,0.0132369995,0.039093018,-0.021347046,0.007980347,-0.030929565,0.009506226,-0.010917664,0.010719299,-0.005382538,-0.003396988,-0.0025596619,-0.0051574707,0.020462036,-0.0046691895,-0.00075912476,0.019241333,0.0020179749,-0.0077781677,0.0357666,0.0031528473,0.0070381165,-0.01878357,0.003124237,0.02482605,0.055389404,0.006839752,0.00024163723,-0.004005432,0.010391235,-0.011672974,-0.00007969141,0.015571594,-0.019378662,-0.047943115,-0.013900757,-0.032226562,0.030273438,0.010513306,0.014198303,-0.011871338,0.0064353943,0.00061511993,-0.031433105,-0.018951416,0.026016235,0.0026378632,-0.022338867,-0.017181396,-0.00048828125,0.022003174,-0.04071045,0.005126953,-0.040893555,-0.04336548,-0.031219482,-0.018981934,0.022766113,-0.001077652,-0.008483887,0.006290436,-0.0040359497,-0.0024871826,0.02281189,0.026504517,-0.008506775,-0.015113831,0.016418457,0.03161621,-0.009529114,0.020874023,-0.000106334686,-0.005088806,-0.00004464388,-0.01373291,0.023422241,-0.013183594,0.020568848,0.013687134,-0.0119018555,0.015975952,0.006099701,0.029388428,-0.026535034,-0.015075684,-0.019180298,-0.006465912,0.030975342,-0.01411438,-0.021835327,0.00894928,-0.011878967,-0.041015625,0.002319336,0.018096924,0.018356323,-0.0135269165,0.050231934,-0.023620605,0.0037784576,0.013938904,0.010856628,-0.020614624,0.003189087,0.042510986,-0.0047569275,0.0047836304,0.002670288,-0.00945282,-0.025726318,-0.0074157715,0.0103302,-0.01890564,-0.010391235,0.012145996,0.017166138,0.037109375,-0.016021729,0.028289795,0.024490356,0.017578125,0.033050537,0.009567261,0.03375244,0.0020999908,-0.013832092,0.0024490356,0.012550354,-0.02734375,0.010047913,0.003921509,0.0017166138,-0.031555176,0.01713562,-0.012512207,0.033447266,-0.00484848,0.013366699,-0.024169922,0.001531601,-0.031677246,0.014854431,-0.04498291,0.0027828217,0.034820557,0.025756836,0.018798828,-0.0031547546,-0.031982422,0.036132812,0.056030273,0.0046958923,-0.03982544,-0.008239746,0.004886627,-0.011871338,0.00447464,-0.0020523071,-0.0211792,-0.034179688,-0.004295349,-0.013015747,-0.0007624626,-0.015136719,0.0357666,0.019699097,-0.006996155,-0.017608643,0.021194458,0.012062073,0.017654419,-0.0030269623,-0.012283325,0.031219482,0.032043457,-0.010528564,0.013809204,0.025802612,-0.042388916,0.048797607,0.002412796,0.023727417,-0.017562866,0.006706238,-0.037994385,-0.009719849,-0.020935059,0.007972717],"createdAt":"2026-04-18T18:57:53.916Z","updatedAt":"2026-04-26T04:03:41.000Z","lastSeenAt":"2026-04-26T04:03:41.000Z","tsv":"'/api':203 '/api/v1/trades/18':67,172,236 '/docs':202 '/pricing':204 '/readme':206 '/request':17,34,167 '0.02':16,33,95,166 '000':87 '0x8335':92 '20':86 '402':245 '6':100 'Base network API' 'USDC API' 'accept':75 'access':45,73,195 'actual':238 'advertis':122,182 'ai':10,27,134 'analysi':138 'analyt':128 'api':4,21,41,72,112,194 'assess':257 'base':7,24,61,88 'base-network' 'behind':51 'beyond':190 'broader':120 'captur':247 'categori':124,183 'challeng':80,246 'classif':141 'clear':176 'confirm':243 'connect':212 'content':218 'convers':158 'cost':84 'data':9,26,127,131,232 'decim':101 'descript':229 'difficult':255 'document':189,197,252 'embed':142 'endpoint':14,31,50,65,126,162,173,237,241 'equal':94 'estim':152 'exact':108,185 'exampl':226 'exchang':147 'export':132 'extrem':199 'feed':146 'financ':11,28,143 'four':123 'function':186,234 'gas':151 'gate':3,20,44 'generat':159 'generic':192 'geocod':156 'howev':169 'indic':81 'infrastructur':154 'insight':133 'key':113 'label':196 'lack':250 'learn':136 'limit':115 'list':69,161 'live':244 'lowpaymentfee' 'lowpaymentfee.com':35 'machin':135 'made':104 'make':253 'map':177 'marketplac':42 'maximum':83 'metric':129 'micropay':55 'micropayment API' 'network':62 'no-api-key' 'offer':8,25 'openapi':222 'page':207 'pay-per-request API' 'payment':102 'per':53,96 'per-request':52 'per-request-billing' 'platform':5,22,121 'post':76 'post-endpoint' 'premium':71,193 'price':145,168 'prompt':214 'protocol':40 'provid':261 'quot':150 'rate':114,148 'render':209 'report':130 'request':54,77,97 'request/response':225 'requir':118 'return':239 'schema':223 'scheme':109 'sentiment':137 'settl':56 'share':163 'spars':200 'specif':64,171 'subscript':117 'substant':217 'summar':140 'text':139 'token':149 'trades API' 'unit':89 'usdc':58,91,98 'usdc-micropayment' 'use':99 'util':13,30,155 'valid':157 'valu':259 'varieti':48 'via':105 'wallet':213 'web3':144 'x402':2,19,39,79,107 'x402 API' 'x402-gated':1,18 'x402-payment' 'x402-protocol':38","prices":[{"id":"c8c71935-12a2-4959-bc22-a4109ce0f9a7","listingId":"fe8e1979-d1a4-4c6d-b9e4-a7fb5f108d34","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/trades/18","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:57:53.916Z"}],"sources":[{"listingId":"fe8e1979-d1a4-4c6d-b9e4-a7fb5f108d34","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/trades/18","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:57:53.916Z","lastSeenAt":"2026-04-26T04:03:41.000Z"}],"details":{"listingId":"fe8e1979-d1a4-4c6d-b9e4-a7fb5f108d34","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/trades/18 \\\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 x402 challenge returns maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base network","source_url":"https://lowpaymentfee.com/api/v1/trades/18"},{"claim":"The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages (/docs, /api, /pricing, /README) render only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Accessing premium trade data via a single micropayment without subscription","Integrating pay-per-call API access into autonomous agents on Base","Programmatic retrieval of trade-related information with no rate limits"],"bestFor":["Developers wanting zero-commitment, pay-as-you-go API access","AI agents that can settle x402 payments in USDC on Base","Users who prefer no API keys or account registration"],"notFor":["Users needing detailed API documentation or OpenAPI specs before integrating","High-volume consumers who would benefit from bulk pricing or subscriptions","Anyone requiring non-crypto payment methods"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:45.515Z"},"updatedAt":"2026-04-26T04:03:41.000Z"}}