{"id":"bb40c7dd-b320-45d8-a593-2a888b8321ce","shortId":"fg2NDm","kind":"x402","title":"Pay-per-call API platform on Base network via x402 — $0.02/request in USDC.","tagline":"Pay-per-call API platform on Base network via x402 — $0.02/request in USDC.","description":"lowpaymentfee.com is a pay-per-request API platform that uses the x402 protocol to accept USDC payments on the Base network. The specific endpoint `/api/v1/transfers/86` is listed as \"Premium API Access\" and costs $0.02 per call (20,000 base units of USDC with 6 decimals). No API keys, accounts, or rate limits are required — callers simply attach an x402 payment header with each request.\n\nThe broader platform advertises multiple API categories including 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 priced at $0.02 per request and settle in USDC on Base.\n\nHowever, the specific functionality behind the `/api/v1/transfers/86` endpoint is unclear. The description is simply \"Premium API Access\" with no further documentation about what data or service it returns. The docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no additional technical detail. Without an OpenAPI schema, request/response examples, or meaningful documentation, it is difficult to determine what this particular endpoint actually does.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key","http-post"],"categories":["infrastructure","api-gateway"],"synonyms":["x402 API","pay-per-call API","USDC API","Base network API","micropayment API","lowpaymentfee","crypto API gateway"],"warnings":["The specific functionality of /api/v1/transfers/86 is undocumented — 'Premium API Access' is the only description available.","No OpenAPI schema, request body format, or response examples are provided anywhere.","All documentation pages (docs, pricing, API, README) render only a 'Connect wallet' prompt with no useful content.","The endpoint path suggests a transfer operation which could involve financial transactions — exercise caution."],"endpointUrl":"https://lowpaymentfee.com/api/v1/transfers/86","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/transfers/86","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (returns a valid 402 x402 challenge) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no OpenAPI schema, no request/response examples, and the purpose of this specific endpoint (/api/v1/transfers/86) is entirely opaque. The docs pages render only a wallet-connect prompt with no technical content.","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":"2026-04-19T14:20:42.945Z","embedding":[-0.022247314,-0.036895752,0.04031372,0.031204224,0.0107421875,-0.032562256,-0.024002075,0.027770996,0.07458496,-0.07904053,0.02394104,-0.030563354,-0.041046143,-0.03591919,-0.028762817,0.00018537045,-0.009902954,-0.0032043457,-0.042266846,0.038330078,0.02293396,-0.019134521,-0.04434204,0.022781372,0.0055999756,-0.018569946,-0.00077819824,-0.02319336,-0.015586853,-0.034820557,0.04019165,-0.031433105,-0.0019311905,0.0034332275,-0.009933472,-0.020095825,-0.0008788109,0.03668213,0.02368164,0.000109136105,0.0015535355,-0.04724121,-0.0032539368,-0.026062012,-0.05859375,-0.0027046204,-0.013023376,-0.03302002,0.0042800903,-0.0023784637,-0.02432251,-0.0032539368,-0.017929077,0.0034484863,0.01776123,0.019210815,0.0022583008,-0.00018942356,0.009666443,0.018417358,-0.014251709,-0.0625,-0.014465332,-0.0104599,0.0038642883,0.06088257,-0.018417358,0.049804688,0.007785797,0.071777344,0.034851074,0.048675537,0.031341553,0.010971069,-0.0017061234,0.0061454773,-0.017227173,0.05618286,-0.011695862,-0.022506714,-0.010040283,-0.017578125,-0.04574585,0.005130768,-0.012504578,-0.030822754,-0.008148193,0.0073242188,-0.010375977,0.025619507,-0.06463623,-0.0045318604,-0.00044822693,0.009269714,0.014122009,-0.02217102,0.0017242432,0.024017334,-0.0058288574,0.016571045,-0.012367249,-0.040222168,0.022994995,0.017059326,0.035339355,0.028381348,0.016830444,0.016311646,0.017486572,-0.003528595,-0.029571533,0.012466431,-0.0029735565,-0.0046920776,0.0087509155,0.00541687,-0.020339966,0.013435364,-0.038391113,0.026672363,-0.051605225,0.034698486,0.017669678,0.0032482147,0.004142761,-0.04019165,-0.019927979,0.03643799,-0.028762817,-0.009094238,0.029907227,0.0018529892,0.028076172,-0.011482239,-0.03375244,0.003929138,-0.025222778,-0.003358841,-0.052581787,-0.03765869,0.03086853,-0.026489258,0.024719238,0.030792236,-0.1126709,-0.00038719177,-0.02835083,0.011955261,-0.03286743,0.0015926361,-0.0074806213,0.025680542,-0.014266968,-0.025390625,-0.018371582,-0.011810303,0.006137848,0.03363037,-0.016738892,0.052825928,-0.028076172,0.023498535,0.015167236,0.0033397675,0.012123108,0.023162842,-0.0124435425,-0.08013916,-0.090148926,-0.01651001,-0.008964539,-0.015510559,-0.029953003,0.017150879,-0.012321472,-0.074645996,-0.0056114197,-0.0317688,-0.0040664673,-0.034362793,0.004333496,-0.028198242,0.01637268,-0.01991272,-0.072753906,-0.021499634,-0.020751953,0.05303955,0.0236969,0.023223877,0.025436401,-0.015434265,0.055389404,0.0209198,-0.025238037,-0.01373291,0.014976501,-0.01499939,0.015792847,-0.013908386,0.02293396,-0.042297363,0.036224365,0.054138184,-0.014595032,-0.026641846,-0.0090789795,-0.06317139,-0.040618896,-0.017349243,0.023162842,0.006511688,-0.011749268,0.04534912,-0.040618896,-0.026519775,-0.00071287155,0.030899048,0.00730896,0.05807495,0.02331543,-0.015975952,0.01651001,0.018035889,-0.05670166,0.040527344,0.038360596,0.00945282,-0.039398193,-0.027053833,0.029525757,0.044952393,-0.025161743,0.006263733,-0.0031166077,0.026260376,-0.024475098,-0.005256653,0.009353638,-0.009643555,-0.024429321,-0.029418945,-0.02758789,0.030151367,0.0046424866,-0.027664185,-0.020370483,-0.08892822,0.05126953,0.034942627,0.039978027,0.0044136047,0.004005432,-0.016555786,-0.011512756,-0.0619812,0.05215454,0.07647705,-0.004764557,-0.016098022,0.027770996,-0.022399902,-0.012466431,0.011878967,-0.0061950684,-0.03753662,-0.02230835,0.012145996,-0.051971436,0.0069847107,0.026000977,0.029037476,0.037750244,0.0016202927,-0.05783081,-0.025817871,-0.015808105,-0.0069084167,-0.020874023,-0.011756897,-0.0126953125,0.011741638,0.009513855,0.0025939941,0.01939392,-0.003232956,0.004299164,0.0075263977,0.0075950623,-0.0061187744,-0.023803711,0.016357422,0.0088272095,-0.05307007,-0.0022888184,-0.004814148,0.072143555,-0.05065918,0.027359009,-0.0002462864,0.014228821,0.048919678,-0.0074768066,-0.03302002,0.01713562,0.014633179,0.0014228821,0.04598999,0.016860962,-0.033691406,-0.016555786,0.06756592,-0.016738892,-0.0057144165,0.0025577545,0.028961182,0.030288696,0.00015544891,-0.061950684,-0.022827148,-0.013679504,-0.04776001,0.025726318,-0.02255249,0.028549194,-0.013641357,0.0032310486,-0.017501831,-0.00007271767,-0.019119263,0.013870239,-0.02305603,0.004234314,-0.019104004,-0.014633179,0.02128601,0.0017461777,-0.00081157684,-0.0063476562,0.031951904,0.033935547,0.0031261444,-0.028915405,-0.022476196,-0.007835388,0.00705719,0.015930176,0.010246277,0.027389526,0.05532837,-0.034210205,0.012504578,0.006088257,0.020507812,0.031341553,-0.013702393,-0.003862381,-0.0736084,-0.050231934,-0.02784729,-0.036224365,0.03414917,0.007194519,-0.005958557,0.04385376,0.0053596497,-0.026519775,-0.031799316,0.015914917,-0.049560547,0.0023899078,0.053131104,-0.018188477,-0.011505127,0.005054474,-0.010368347,0.0099487305,0.029296875,0.0011892319,0.04260254,0.07702637,0.035705566,-0.007183075,0.021621704,-0.007888794,0.021697998,0.0039253235,-0.023880005,-0.02758789,-0.005432129,0.022781372,-0.0181427,-0.022964478,-0.05996704,0.03137207,0.038879395,0.085876465,0.021072388,0.0018167496,0.028457642,-0.010475159,0.0021476746,-0.042510986,-0.016784668,-0.024108887,-0.043273926,0.026641846,-0.01576233,0.004173279,-0.016143799,0.04940796,-0.0065841675,0.030975342,-0.026977539,0.041412354,-0.01398468,-0.011688232,0.021026611,0.017623901,0.0423584,0.07159424,-0.044311523,0.01965332,0.022994995,-0.030975342,0.0015497208,0.03540039,-0.0067100525,-0.019180298,-0.059295654,-0.03668213,-0.002609253,0.0015850067,-0.050445557,0.013931274,0.014953613,0.022125244,0.026916504,-0.0066986084,-0.0048446655,-0.017028809,-0.005142212,-0.0690918,0.008300781,-0.04510498,0.001783371,0.050933838,-0.016403198,-0.01373291,0.011703491,0.0003838539,-0.0101623535,0.005279541,0.032196045,0.0012025833,-0.04626465,0.028778076,0.020248413,0.008102417,0.013092041,0.032714844,0.021209717,0.039154053,0.04156494,0.0259552,-0.024337769,-0.06329346,0.012954712,-0.047210693,-0.00009018183,0.019088745,-0.028274536,0.007507324,-0.0066108704,-0.032806396,-0.028930664,0.021347046,-0.034210205,-0.0021972656,0.016082764,-0.017578125,-0.029647827,-0.060424805,-0.026184082,0.0027999878,0.054595947,0.015449524,0.017044067,-0.07525635,-0.0047035217,0.034851074,0.01939392,0.03189087,-0.01361084,-0.009437561,-0.026535034,-0.038085938,-0.011779785,-0.032592773,0.026992798,-0.002105713,-0.010856628,0.02557373,0.0035381317,0.016052246,0.004875183,0.017684937,0.02720642,-0.041931152,-0.01474762,-0.0010519028,0.03552246,0.0012788773,-0.0211792,-0.049713135,0.043304443,0.008460999,0.03668213,-0.048065186,-0.014381409,-0.0211792,0.014198303,0.014579773,-0.013893127,-0.005630493,-0.0038433075,-0.04446411,-0.047912598,0.04864502,-0.021606445,0.031066895,0.01864624,-0.0030155182,0.018600464,-0.008560181,-0.021392822,0.022918701,-0.027999878,-0.01436615,-0.0129470825,-0.030288696,-0.029830933,-0.012512207,-0.013244629,0.025650024,-0.024963379,0.03201294,0.010345459,-0.018051147,0.0149383545,-0.002960205,-0.004875183,0.014503479,0.004383087,0.025314331,0.03225708,0.011657715,-0.033996582,0.01676941,-0.011634827,0.0068206787,-0.0013132095,0.03616333,0.027175903,-0.0059127808,0.008140564,-0.013694763,-0.015899658,-0.018447876,-0.006629944,0.008735657,0.010025024,-0.006416321,-0.03375244,0.010612488,0.010437012,-0.036071777,-0.03225708,0.023468018,0.012336731,-0.039855957,0.014808655,0.025543213,0.04244995,-0.017974854,-0.006641388,0.0031089783,0.03945923,0.030410767,0.0064468384,-0.017623901,0.018096924,-0.012626648,0.016159058,0.00007522106,-0.011161804,0.03010559,0.012886047,0.032562256,0.033966064,0.0052757263,-0.022415161,-0.051483154,0.0015888214,0.000415802,-0.02218628,0.026748657,0.011482239,0.026184082,-0.01361084,0.029953003,0.02268982,-0.024963379,-0.018432617,-0.005153656,0.045806885,-0.03326416,-0.016021729,0.011642456,0.018112183,0.037139893,-0.060058594,-0.0014514923,0.003540039,0.025985718,-0.013069153,-0.042663574,-0.03250122,0.007686615,0.023513794,0.0015506744,0.02432251,0.035827637,-0.011962891,0.013908386,0.033477783,0.0009455681,-0.010360718,-0.023880005,-0.040649414,-0.024368286,-0.009216309,-0.00025725365,-0.030136108,0.007904053,-0.004306793,-0.037384033,0.008598328,-0.01689148,0.0025501251,-0.01361084,0.004070282,0.036590576,-0.0048332214,0.027130127,-0.010284424,-0.047576904,0.008758545,0.0007176399,0.022094727,-0.053527832,0.013458252,-0.021102905,0.008514404,0.006210327,0.015113831,0.016525269,0.026382446,0.021331787,0.032928467,-0.044525146,0.053497314,-0.034576416,0.011444092,0.0020523071,-0.03729248,-0.003643036,-0.019165039,-0.023666382,0.046417236,-0.02319336,-0.0078125,-0.020401001,-0.038391113,-0.014137268,-0.04156494,0.016967773,0.03164673,0.039642334,-0.028457642,0.00090265274,0.009056091,0.00019836426,-0.02218628,0.005924225,-0.019592285,0.012161255,0.034118652,0.00031900406,-0.04071045,-0.02709961,-0.02180481,-0.0064964294,-0.04437256,-0.049224854,-0.01890564,0.007873535,-0.01576233,-0.017929077,-0.027511597,-0.017501831,0.000032424927,-0.0362854,0.0015878677,0.0056381226,0.020828247,0.00061798096,-0.026565552,0.00969696,0.007671356,-0.019378662,0.04586792,0.010063171,0.0006632805,-0.0309906,0.010665894,0.012260437,0.01902771,-0.0059280396,-0.023605347,-0.01171875,-0.007965088,-0.05303955,-0.000518322,-0.004348755,-0.007801056,-0.007865906,-0.011512756,-0.046447754,-0.0075187683,-0.014160156,0.0044784546,0.020889282,0.005935669,0.016281128,-0.004760742,0.021652222,0.0019893646,-0.011543274,-0.022079468,0.017654419,0.009803772,0.005332947,0.017837524,0.044769287,0.01928711,-0.016174316,0.0020561218,0.0020980835,0.015090942,-0.029220581,0.011955261,-0.010620117,0.011314392,-0.014656067,-0.015823364,-0.029724121,-0.0058403015,0.085754395,-0.00080776215,-0.010169983,-0.0032672882,-0.018341064,0.01235199,0.028198242,-0.038879395,-0.0098724365,-0.029846191,0.017944336,-0.019073486,0.012023926,0.011726379,0.020904541,-0.015205383,-0.048034668,-0.0073661804,-0.008590698,-0.006603241,-0.06378174,-0.021072388,-0.06335449,0.0085372925,-0.00061035156,-0.021697998,0.0045280457,0.013000488,-0.018341064,-0.07501221,0.0031337738,0.051940918,0.016220093,0.030181885,-0.0066108704,0.012466431,0.030914307,-0.041137695,-0.0026798248,0.019638062,-0.023635864,-0.020309448,-0.02204895,0.021438599,-0.016738892,-0.024093628,0.014671326,0.009765625,0.023635864,-0.011375427,0.00076436996,-0.0104904175,0.016311646,-0.021377563,0.026382446,-0.015686035,-0.016738892,0.031982422,-0.043823242,0.020874023,0.02015686,0.005218506,0.009033203,0.031707764,0.041229248,-0.036468506,-0.012878418,0.021392822,0.011039734,0.037231445,-0.029083252,0.04763794,0.020263672,-0.021713257,0.022079468,0.00016772747,-0.011909485,-0.029541016,-0.018569946,0.029754639,-0.0015439987,0.018859863,-0.024963379,0.0076026917,0.004852295,0.010856628,0.008842468,-0.014343262,-0.010925293,-0.022354126,-0.020980835,0.013038635,0.013946533,-0.011558533,0.021484375,0.029083252,0.0395813,0.0129776,-0.016601562,0.0050735474,0.03665161,-0.009162903,0.0016822815,0.021972656,0.014541626,0.009361267,0.014839172,0.016952515,-0.052459717,-0.026016235,-0.0102005005,-0.029190063,-0.0096588135,-0.009300232,-0.013336182,-0.018035889,0.013145447,-0.0008482933,-0.02420044,0.0020599365,-0.0234375,-0.017425537,-0.0063171387,-0.015281677,0.02192688,-0.008293152,0.009056091,0.0082092285,0.0002746582,0.036010742,0.003320694,-0.0093307495,0.02168274,0.032318115,0.029266357,-0.034454346,-0.0066337585,-0.022644043,-0.015975952,-0.005958557,-0.030593872,-0.0027484894,0.04196167,-0.018722534,-0.0047569275,0.0006942749,0.03164673,-0.003616333,0.0011444092,-0.010917664,0.02357483,-0.008018494,0.039611816,-0.04171753,0.020370483,0.009490967,0.0031375885,0.0020256042,-0.009529114,-0.032409668,0.013000488,0.01322937,-0.01789856,0.050323486,0.0076675415,0.017288208,-0.017822266,-0.01876831,0.017028809,-0.02204895,-0.012428284,0.03125,-0.009590149,0.000936985,0.0017404556,-0.025009155,0.036834717,-0.02671814,0.008018494,0.0022830963,0.00004541874,-0.012817383,-0.019515991,-0.0016727448,-0.010437012,-0.01965332,0.010765076,0.004470825,0.048187256,0.022415161,0.021255493,0.05444336,0.007030487,-0.0023841858,-0.034698486,-0.03201294,0.010017395,-0.021697998,0.014152527,-0.024749756,0.055877686,0.042175293,0.0030326843,0.04019165,0.029464722,0.02822876,0.008277893,0.007633209,-0.021148682,0.013282776,-0.0037593842,0.03616333,-0.006462097,0.03805542,-0.018112183,0.024230957,0.017501831,0.028762817,-0.031463623,0.027069092,0.075805664,0.014801025,-0.007385254,0.038208008,-0.0076293945,-0.007633209,-0.008361816,-0.029388428,0.06359863,0.0035858154,0.052612305,0.05154419,0.012962341,-0.004463196,0.026977539,-0.019332886,-0.014884949,0.06585693,0.020812988,-0.021224976,-0.008239746,-0.0018224716,0.01259613,-0.043060303,-0.035583496,0.025604248,-0.011253357,0.014419556,-0.0021076202,-0.013923645,-0.012908936,0.030136108,0.019470215,0.024246216,-0.010467529,0.021911621,0.03933716,-0.0006284714,0.020553589,-0.0127334595,0.021194458,-0.018630981,-0.03488159,0.014427185,0.020828247,-0.0090789795,-0.020111084,0.023712158,0.007671356,0.03829956,0.048034668,-0.029342651,0.0064888,0.032470703,0.0044136047,-0.016143799,0.052612305,0.05050659,0.025161743,0.03781128,0.026901245,0.02684021,-0.041748047,0.024612427,-0.0010004044,0.0017642975,-0.0058250427,-0.0017194748,-0.0021858215,-0.02204895,0.007347107,0.013458252,-0.0070991516,0.02809143,0.032836914,0.0032634735,-0.0060691833,-0.01651001,0.009124756,-0.021560669,0.005771637,0.014961243,-0.014953613,0.046173096,0.008071899,0.026519775,-0.01713562,0.0107421875,-0.004722595,-0.011352539,0.0000410676,0.027938843,-0.029067993,0.006023407,-0.0055885315,0.017181396,-0.049743652,0.015182495,0.029449463,-0.014862061,0.030441284,0.003982544,-0.00819397,-0.0066719055,0.0284729,0.01574707,-0.009246826,-0.018829346,-0.016967773,0.032104492,0.046051025,-0.003156662,0.005592346,-0.015960693,-0.0010957718,0.011016846,-0.010070801,-0.0098724365,-0.0178833,-0.015472412,-0.02178955,0.029342651,0.030899048,0.024368286,0.06378174,-0.023071289,-0.008171082,0.0043029785,0.035308838,0.009429932,-0.0024871826,0.0009112358,0.013000488,-0.015991211,0.044036865,0.03881836,0.01576233,0.026870728,-0.017654419,-0.016540527,0.0040779114,-0.0067634583,0.018203735,-0.016723633,0.0082092285,0.00046563148,0.032470703,-0.016296387,-0.039611816,0.015716553,-0.017715454,-0.018478394,-0.016311646,0.01676941,0.014389038,0.027404785,0.036376953,0.024658203,-0.014190674,0.05493164,-0.013343811,0.05593872,0.0053596497,-0.016571045,0.04598999,0.011985779,0.02720642,0.018508911,0.018081665,-0.036834717,0.02104187,0.041778564,0.0107040405,0.017684937,0.0036811829,-0.007171631,0.040527344,-0.0079956055,0.02607727,-0.018218994,0.0033721924,0.013053894,0.0007343292,-0.011177063,-0.008094788,-0.00655365,0.01737976,0.051483154,-0.037628174,-0.014122009,-0.016418457,-0.0073623657,0.021850586,-0.02154541,0.010108948,-0.006061554,-0.033477783,0.012779236,-0.02494812,-0.033691406,0.0017786026,0.023239136,-0.034179688,-0.024002075,-0.005279541,0.020965576,-0.023651123,0.025009155,0.023620605,-0.000010728836,0.0044822693,0.03970337,-0.0068855286,0.04171753,-0.013298035,0.02961731,0.029037476,0.01360321,-0.025985718,-0.0056419373,0.0006837845,-0.02003479,0.010093689,0.03842163,-0.017547607,0.007820129,-0.0067481995,-0.014953613,-0.009994507,0.00198555,-0.009147644,0.013130188,-0.015914917,-0.010322571,-0.0062942505,0.008293152,0.0017671585,-0.009437561,-0.018463135,-0.02180481,0.009025574,0.01864624,0.016418457,-0.042053223,-0.0124435425,0.014198303,0.021865845,-0.023254395,-0.0211792,-0.0068893433,-0.033935547,0.008369446,0.00096321106,0.01864624,0.018676758,-0.020736694,0.002073288,0.023986816,0.022583008,0.019500732,0.0063552856,-0.004348755,0.02355957,-0.000013828278,-0.0054855347,-0.00012075901,-0.0056533813,0.007801056,0.0284729,-0.0022907257,-0.025466919,0.025512695,-0.014915466,0.011352539,0.011123657,-0.012962341,0.015838623,-0.01651001,0.008392334,0.0044517517,0.0093688965,-0.013473511,-0.022979736,-0.017501831,0.022262573,0.05496216,-0.019882202,-0.0035381317,0.024307251,0.020965576,0.025909424,0.03652954,0.002752304,0.040100098,0.01928711,-0.0135650635,-0.021743774,0.018615723,-0.008331299,-0.021957397,0.0151901245,-0.0045394897,-0.014007568,0.027404785,0.010971069,-0.0023002625,-0.015068054,-0.016052246,-0.009178162,-0.009490967,0.013298035,-0.023391724,0.010246277,-0.023635864,-0.012802124,0.011451721,-0.0362854,-0.047729492,-0.016067505,-0.0033550262,0.00043535233,-0.055541992,0.010055542,-0.03616333,0.008560181,-0.032470703,-0.0066719055,-0.010246277,0.013793945,-0.020721436,-0.0043563843,0.005130768,0.033813477,0.012664795,0.016784668,0.030410767,-0.024032593,-0.031799316,-0.028549194,0.007068634,-0.009361267,0.011077881,0.015823364,0.034729004,0.017944336,-0.009765625,-0.00016355515,-0.009391785,-0.014724731,-0.017074585,-0.015533447,-0.02709961,0.02130127,0.017486572,-0.022827148,-0.009010315,0.05368042,-0.024108887,-0.019577026,0.040252686,0.049682617,0.008811951,0.031341553,-0.020248413,-0.0036678314,-0.019485474,-0.0032157898,-0.017318726,0.011390686,0.010818481,0.004497528,-0.009643555,0.00026488304,0.019256592,-0.022079468,-0.0087890625,0.022949219,0.009613037,-0.011512756,0.03265381,0.016555786,0.0050086975,-0.021835327,-0.009353638,0.032562256,0.0357666,0.020584106,0.014175415,-0.0005970001,0.0016040802,-0.009117126,0.009025574,0.01626587,-0.02293396,-0.047088623,-0.021270752,-0.0211792,0.009567261,-0.0011425018,0.01574707,-0.0065078735,0.026153564,-0.02017212,-0.015731812,-0.0256958,0.03225708,0.0096588135,-0.012077332,-0.011428833,0.008430481,0.012763977,-0.035064697,-0.0007390976,-0.053894043,-0.024627686,-0.0028915405,-0.017059326,0.030227661,0.011726379,-0.0047035217,-0.005847931,-0.007965088,-0.014083862,-0.00081682205,0.029769897,-0.019546509,-0.0037384033,0.03479004,0.010643005,-0.02709961,0.02130127,-0.012107849,0.0000014305115,0.021621704,-0.00095415115,0.0063552856,-0.022750854,0.041992188,-0.0072898865,0.00003516674,0.029800415,-0.01461792,0.0077667236,-0.027923584,-0.00033593178,0.005027771,-0.0008454323,0.03729248,-0.027816772,-0.027023315,0.0057029724,-0.012306213,-0.0262146,-0.0015583038,0.020309448,0.027999878,-0.011299133,0.05517578,-0.010009766,-0.008636475,0.013191223,0.0027770996,-0.016952515,0.00091457367,0.029541016,0.009162903,-0.0093307495,-0.010192871,-0.015449524,-0.028152466,0.0004169941,0.009513855,-0.0074806213,-0.017349243,0.023330688,0.020507812,0.04525757,-0.0028877258,0.024658203,0.018722534,0.014213562,0.021087646,0.009742737,0.066223145,0.0060920715,-0.014152527,0.0018005371,0.0043144226,-0.016281128,-0.0036621094,-0.0044898987,-0.0015964508,-0.035583496,0.009307861,-0.0048828125,0.033447266,-0.018722534,0.0021076202,-0.024505615,-0.0127334595,-0.03692627,-0.0137786865,-0.01852417,-0.0018892288,0.025390625,-0.0054512024,0.025390625,0.0035953522,-0.019470215,0.017410278,0.03970337,-0.011955261,-0.0357666,-0.005218506,0.019485474,0.0030517578,0.0041885376,0.008605957,-0.014633179,-0.009918213,-0.0015888214,-0.014457703,0.0009083748,0.008110046,0.0056991577,0.0035915375,-0.008041382,-0.015533447,0.031097412,-0.004573822,-0.0062789917,0.014045715,0.01272583,0.042541504,0.033447266,-0.0064430237,0.017211914,0.01965332,-0.036376953,0.06591797,-0.00077962875,0.020523071,-0.023010254,0.0048332214,-0.0340271,-0.01423645,-0.016799927,0.017807007],"createdAt":"2026-04-18T19:27:59.685Z","updatedAt":"2026-04-22T11:32:29.345Z","lastSeenAt":"2026-04-22T11:32:29.345Z","tsv":"'/api/v1/transfers/86':56,157 '/request':13,28 '0.02':12,27,65,142 '000':69 '20':68 '6':75 'Base network API' 'USDC API' 'accept':46 'access':62,167 'account':80 'actual':215 'addit':194 'advertis':99 'ai':111 'analysi':115 'analyt':105 'api':5,20,38,61,78,101,166,183 'attach':88 'base':8,23,51,70,150 'base-network' 'behind':155 'broader':97 'call':4,19,67 'caller':86 'categori':102 'classif':118 'connect':189 'convers':135 'cost':64 'crypto API gateway' 'data':104,108,174 'decim':76 'descript':162 'detail':196 'determin':210 'difficult':208 'doc':180 'document':171,205 'embed':119 'endpoint':55,138,158,214 'estim':129 'exampl':202 'exchang':124 'export':109 'feed':123 'financ':120 'function':154 'gas':128 'generat':136 'geocod':133 'header':92 'howev':151 'http-post' 'includ':103 'infrastructur':131 'insight':110 'key':79 'learn':113 'limit':83 'list':58 'lowpaymentfee' 'lowpaymentfee.com':31 'machin':112 'meaning':204 'metric':106 'micropayment API' 'multipl':100 'network':9,24,52 'no-api-key' 'openapi':199 'page':184 'particular':213 'pay':2,17,35 'pay-per-cal':1,16 'pay-per-call API' 'pay-per-request':34 'payment':48,91 'per':3,18,36,66,143 'platform':6,21,39,98 'premium':60,165 'price':122,140,181 'prompt':191 'protocol':44 'quot':127 'rate':82,125 'render':186 'report':107 'request':37,95,144 'request/response':201 'requir':85 'return':178 'schema':200 'sentiment':114 'servic':176 'settl':146 'simpli':87,164 'specif':54,153 'summar':117 'technic':195 'text':116 'token':126 'unclear':160 'unit':71 'usdc':15,30,47,73,148 'usdc-settlement' 'use':41 'util':132 'valid':134 'via':10,25 'wallet':190 'web3':121 'without':197 'x402':11,26,43,90 'x402 API' 'x402-payment'","prices":[{"id":"a117fab3-b10c-4348-b046-c2c066e54f9c","listingId":"bb40c7dd-b320-45d8-a593-2a888b8321ce","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/transfers/86","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T19:27:59.685Z"}],"sources":[{"listingId":"bb40c7dd-b320-45d8-a593-2a888b8321ce","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/transfers/86","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T19:27:59.685Z","lastSeenAt":"2026-04-22T11:32:29.345Z"}],"details":{"listingId":"bb40c7dd-b320-45d8-a593-2a888b8321ce","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/transfers/86 \\\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":"Endpoint returns 402 with x402 challenge advertising USDC on Base network at 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/transfers/86"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/transfers/86"},{"claim":"Platform lists Data & Analytics, AI & ML, Finance & Web3, and Infrastructure API categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Accessing premium API services with per-request USDC micropayments on Base","Agent-driven API consumption without pre-registration or API keys","Programmatic pay-as-you-go access to data, AI, finance, or utility endpoints"],"bestFor":["Developers wanting zero-signup, pay-per-use API access","AI agents that can settle x402 payments autonomously","Users who prefer crypto micropayments over subscription billing"],"notFor":["Users needing detailed API documentation or OpenAPI specs before integrating","High-volume consumers who need bulk pricing or rate-limit guarantees","Developers who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:33.483Z"},"updatedAt":"2026-04-22T11:32:29.345Z"}}