{"id":"fb5148af-ce06-41c2-b9c4-5f8341a46745","shortId":"5A4jbJ","kind":"x402","title":"x402-gated premium API access on Base, pay $0.02 per request in USDC — no keys, no rate limits.","tagline":"x402-gated premium API access on Base, pay $0.02 per request in USDC — no keys, no rate limits.","description":"This endpoint at lowpaymentfee.com is part of a suite of x402-protocol pay-per-call APIs hosted on the Base network. The specific resource `/api/v1/wire/133` is labeled \"Premium API Access\" and accepts POST requests gated by an x402 payment challenge. Payment is settled in USDC (contract 0x8335…2913 on Base) at a maximum cost of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals). No API keys or subscriptions are required — callers attach an X-PAYMENT header with the appropriate payment proof and receive a JSON response.\n\nThe broader lowpaymentfee.com platform advertises several endpoint categories: 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. However, the specific functionality behind `/api/v1/wire/133` is not documented beyond the generic \"Premium API Access\" label, so it is unclear which of these capabilities — if any — this particular wire endpoint maps to.\n\nThe site's documentation, pricing, and README pages all returned only a \"Connect wallet\" prompt with no substantive content during the crawl. There is no OpenAPI spec, no request/response schema documentation, and no usage examples available. Callers should be aware that without further documentation, the exact input format and response structure for this endpoint remain unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key","json-response","post-method"],"categories":["api-gateway","crypto"],"synonyms":["x402 API","pay-per-call API","USDC micropayment API","Base network API","lowpaymentfee","premium API access","crypto-gated endpoint"],"warnings":["The specific functionality of /api/v1/wire/133 is not documented — 'Premium API Access' is the only label provided.","All documentation, pricing, and README pages on the site returned only a 'Connect wallet' prompt with no substantive content.","No OpenAPI spec, request schema, or response schema is available.","It is unclear how /api/v1/wire/133 relates to the advertised endpoint categories (AI, analytics, finance, etc.)."],"endpointUrl":"https://lowpaymentfee.com/api/v1/wire/133","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/wire/133","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 USDC on Base), but there is no documentation, no OpenAPI spec, no request/response schema, and the actual functionality behind 'Premium API Access' at /api/v1/wire/133 is completely undocumented. Docs pages returned only 'Connect wallet' with no 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":"2026-04-19T14:38:33.702Z","embedding":[-0.0077171326,-0.030639648,0.015419006,0.0027618408,0.002439499,-0.029129028,-0.020751953,0.03463745,0.06072998,-0.07476807,0.03164673,-0.038391113,-0.031082153,-0.021255493,-0.014717102,0.0069274902,-0.005004883,0.015197754,-0.048614502,0.030761719,0.035217285,-0.003545761,-0.01651001,0.03338623,-0.0018348694,-0.00043272972,-0.0042152405,0.0031738281,-0.018814087,-0.019897461,0.031188965,-0.022644043,-0.0087509155,0.010612488,-0.033691406,-0.007019043,-0.0017290115,0.042266846,0.03744507,-0.008262634,-0.0046920776,-0.055023193,-0.006614685,-0.010475159,-0.038238525,-0.0032958984,-0.0005707741,0.00007009506,-0.008850098,-0.004108429,-0.042663574,-0.008018494,-0.013427734,-0.0056037903,0.0050315857,0.021408081,-0.008255005,-0.015609741,-0.009819031,0.002752304,-0.0036201477,-0.06939697,-0.00415802,-0.011276245,0.02319336,0.046875,-0.0073165894,0.054504395,0.024902344,0.0592041,0.04147339,0.049468994,0.046813965,0.0041885376,-0.00062036514,-0.013145447,0.0029792786,0.038635254,-0.0317688,-0.011512756,-0.026443481,-0.021606445,-0.05770874,-0.01096344,-0.0088272095,-0.060577393,-0.023788452,0.011627197,-0.014701843,0.025985718,-0.08660889,-0.011062622,-0.01184082,0.020828247,-0.0045433044,0.00029683113,-0.010391235,0.013618469,-0.021270752,0.029907227,0.012039185,-0.041412354,0.020248413,0.026657104,0.047058105,0.036346436,0.019363403,0.020874023,-0.006214142,-0.018630981,-0.014472961,-0.0049705505,-0.026931763,-0.0020713806,0.02104187,0.0006070137,-0.017028809,0.022735596,0.005722046,0.039733887,-0.054870605,0.052459717,0.029571533,-0.026367188,0.021347046,-0.030639648,-0.031082153,0.0075645447,-0.01260376,-0.012626648,0.034088135,0.000623703,0.03161621,-0.03665161,-0.04135132,0.02658081,-0.024215698,-0.019561768,-0.050354004,-0.015197754,0.050231934,-0.018737793,0.027542114,0.009422302,-0.0725708,-0.0042304993,-0.031219482,0.0030975342,-0.027267456,-0.0008234978,-0.0010471344,0.03753662,-0.0132369995,-0.021316528,-0.0049362183,-0.0011548996,-0.0024585724,0.02696228,-0.018569946,0.04031372,-0.009803772,0.03012085,0.015090942,0.0103302,0.018371582,0.03930664,-0.0048942566,-0.087646484,-0.08312988,-0.024993896,-0.00048351288,-0.019989014,-0.04336548,0.01789856,0.001080513,-0.074645996,-0.02619934,-0.013595581,0.012741089,-0.02520752,-0.0061912537,-0.008666992,-0.0057029724,-0.014663696,-0.08300781,-0.030563354,-0.020904541,0.073913574,0.017227173,-0.004825592,0.034179688,-0.0027980804,0.057647705,0.017227173,-0.004962921,-0.023422241,0.018600464,-0.015335083,0.03164673,0.0132369995,0.0003414154,-0.053985596,0.041870117,0.045410156,0.00617218,-0.0014152527,0.004119873,-0.06585693,-0.034973145,-0.036895752,0.015312195,0.0033626556,0.0050315857,0.042297363,-0.015213013,-0.050079346,0.002161026,-0.0066719055,0.017364502,0.06237793,0.006111145,0.0065078735,-0.007091522,0.031082153,-0.04257202,0.044189453,0.027282715,0.022094727,-0.017837524,-0.014320374,0.033203125,0.04083252,-0.019317627,-0.007434845,-0.016952515,0.023284912,-0.009941101,-0.0063667297,0.043914795,-0.010971069,-0.021881104,-0.040100098,-0.010520935,0.039001465,-0.0051078796,-0.028671265,-0.039245605,-0.066467285,0.029785156,0.056152344,0.02998352,0.00028562546,0.003320694,-0.015586853,-0.007873535,-0.079711914,0.054779053,0.06500244,0.002122879,-0.025238037,0.046081543,-0.008453369,-0.018676758,0.0029754639,0.007068634,-0.024261475,-0.006565094,0.0095825195,-0.041229248,0.017059326,0.006996155,0.040893555,0.07281494,-0.011543274,-0.054656982,-0.020843506,0.011924744,0.006855011,-0.015388489,0.0075302124,-0.01134491,0.0053749084,0.028411865,-0.0026130676,0.012283325,0.0090789795,0.0017929077,-0.00730896,-0.009971619,-0.024276733,-0.016601562,0.028579712,-0.015090942,-0.07183838,0.023651123,-0.0018205643,0.043670654,-0.04260254,0.032409668,-0.022338867,0.0018873215,0.061401367,-0.0034179688,-0.026885986,0.013748169,0.028503418,0.027801514,0.028717041,0.007091522,-0.018844604,-0.012283325,0.062561035,-0.011894226,-0.011047363,-0.007827759,0.027633667,0.036956787,0.0017414093,-0.06173706,-0.028335571,-0.011543274,-0.01625061,0.036956787,-0.0418396,0.022720337,-0.009750366,0.012245178,-0.018493652,-0.010276794,-0.043121338,0.012901306,-0.013191223,0.01600647,-0.008430481,-0.02166748,0.013694763,0.0088272095,-0.00932312,-0.010482788,0.053710938,0.013877869,-0.0079193115,-0.036621094,-0.010871887,-0.016052246,0.013969421,0.025558472,0.029266357,0.030563354,0.055755615,-0.02545166,0.03677368,0.031951904,0.02406311,0.039916992,-0.029632568,0.022476196,-0.047821045,-0.039031982,-0.022537231,-0.05908203,0.035217285,-0.005264282,0.014137268,0.04260254,0.030059814,-0.028152466,-0.036193848,0.027740479,-0.040527344,0.017547607,0.03161621,0.0007572174,-0.031982422,0.0018186569,0.0037231445,0.008964539,0.043060303,0.013114929,0.0014696121,0.07550049,0.0368042,0.007537842,0.006717682,0.0018434525,0.0390625,-0.013069153,-0.012176514,-0.035308838,-0.013458252,0.04345703,-0.01675415,-0.029052734,-0.09448242,0.04849243,0.009490967,0.064941406,0.007762909,0.019638062,0.021987915,-0.011253357,-0.006046295,-0.055847168,-0.012619019,-0.012168884,-0.038024902,0.037597656,-0.009727478,0.0036792755,-0.04046631,0.012680054,0.0051116943,0.02104187,-0.008720398,0.048553467,-0.019760132,-0.0052719116,0.021072388,0.0129470825,0.034454346,0.06359863,-0.033294678,0.024810791,0.025238037,-0.023269653,0.006511688,0.03277588,-0.005935669,0.0015325546,-0.072265625,-0.031143188,-0.0029067993,-0.024597168,-0.060455322,0.0033454895,-0.0025730133,0.03062439,0.03463745,-0.020126343,-0.035186768,-0.0030956268,-0.015380859,-0.050994873,0.0135650635,-0.02696228,0.007331848,0.037261963,-0.0020141602,-0.004096985,-0.0000032186508,-0.008613586,-0.022888184,0.029052734,-0.00422287,-0.0013790131,-0.04171753,0.0317688,0.018325806,0.008361816,0.015007019,0.023590088,0.025939941,0.012413025,0.056274414,-0.0043144226,-0.03137207,-0.068237305,0.010925293,-0.04840088,0.0049819946,0.0024147034,-0.02494812,-0.020019531,-0.015792847,-0.013038635,-0.02810669,0.026916504,-0.031143188,0.03012085,0.00182724,-0.04925537,-0.023086548,-0.045074463,-0.021972656,0.0021018982,0.07330322,0.023666382,-0.0060577393,-0.06915283,-0.026855469,0.01737976,0.0045661926,0.03277588,-0.016448975,-0.020858765,-0.020584106,-0.05114746,-0.015144348,-0.03100586,0.028335571,-0.0010128021,-0.027511597,0.028579712,-0.023498535,0.020645142,0.011253357,-0.0059318542,0.017333984,-0.034973145,-0.017150879,-0.011543274,0.027877808,0.0028591156,0.0016021729,-0.03665161,0.05105591,0.033966064,0.046417236,-0.031173706,-0.005718231,0.00027132034,0.017959595,0.019470215,-0.021133423,-0.012290955,0.02822876,-0.03186035,-0.066833496,0.034942627,-0.006958008,0.020584106,0.008659363,-0.008468628,0.025024414,-0.0016317368,0.021820068,0.013916016,-0.03137207,0.0002746582,-0.018844604,-0.03918457,-0.012832642,-0.0077781677,-0.014854431,0.016952515,-0.016952515,0.01235199,-0.004863739,-0.022323608,0.04171753,0.023956299,-0.0028514862,0.025650024,-0.012168884,0.020309448,0.050750732,-0.0018672943,-0.031707764,0.015090942,0.0049057007,0.012168884,-0.004497528,0.034362793,0.026397705,-0.012710571,0.0036354065,0.0003066063,-0.0063056946,-0.019317627,-0.018997192,0.019424438,0.023620605,0.012886047,-0.047088623,0.029373169,0.011253357,-0.041992188,-0.019104004,0.014678955,0.010658264,-0.037506104,0.023361206,0.020645142,0.04586792,-0.017364502,-0.0063476562,0.014442444,0.038024902,0.028167725,0.007858276,-0.024520874,0.020019531,-0.020614624,-0.0096588135,0.0011291504,-0.013801575,0.010475159,-0.005619049,0.013671875,0.041900635,0.021469116,-0.035339355,-0.03488159,0.009223938,0.008834839,-0.0016555786,0.022354126,0.019882202,0.021942139,-0.013366699,0.019332886,0.02633667,-0.030899048,-0.013832092,-0.0027313232,0.041412354,-0.026260376,-0.015640259,0.019607544,0.005630493,0.026260376,-0.047851562,-0.012489319,0.014732361,0.01108551,-0.01474762,-0.040039062,-0.03842163,0.0046691895,0.040130615,-0.012832642,0.0020389557,0.031921387,-0.0065307617,-0.007205963,0.0129852295,0.010353088,-0.026168823,-0.018234253,-0.048858643,-0.013130188,-0.01675415,-0.026184082,-0.029052734,0.01386261,-0.026153564,-0.03982544,-0.0033397675,-0.008338928,-0.006729126,0.008766174,0.016815186,0.04058838,0.0053596497,0.017303467,-0.015365601,-0.03302002,-0.00066804886,-0.002571106,0.010864258,-0.043518066,0.015449524,-0.025558472,0.005241394,0.0076141357,0.009101868,0.0129852295,0.025024414,0.0030536652,0.030319214,-0.04925537,0.045013428,-0.017913818,0.002538681,-0.0046463013,-0.04324341,-0.0014104843,-0.019744873,-0.016067505,0.03604126,-0.016036987,-0.0014705658,-0.029876709,-0.021331787,-0.010314941,-0.03967285,0.03253174,0.02507019,0.036590576,-0.03137207,0.008613586,0.006919861,-0.002506256,-0.010238647,-0.013343811,-0.01108551,0.015701294,0.015541077,-0.0030784607,-0.028076172,-0.033691406,-0.010971069,-0.0016775131,-0.04260254,-0.038757324,-0.018630981,0.007949829,-0.0057373047,0.0027751923,-0.027648926,-0.015853882,-0.0011930466,-0.043121338,0.01525116,0.017807007,0.026519775,0.012702942,-0.016479492,0.012374878,0.02255249,-0.02822876,0.024307251,0.004463196,-0.008392334,-0.050933838,0.009529114,0.009231567,0.036499023,0.0059051514,-0.019592285,-0.00045895576,-0.016113281,-0.04272461,-0.0029239655,-0.008125305,0.0023384094,-0.0063667297,-0.002773285,-0.052703857,-0.0155181885,-0.00504303,0.002729416,0.021881104,0.010894775,0.02508545,-0.017578125,0.008636475,-0.0022411346,-0.016784668,-0.034576416,0.015731812,0.012260437,-0.017486572,0.017532349,0.02822876,0.019638062,-0.02420044,-0.004550934,0.015930176,0.007633209,-0.035705566,0.017791748,-0.015174866,0.011940002,-0.012199402,-0.017486572,-0.03050232,0.0010108948,0.08734131,-0.0012207031,-0.00573349,-0.0043144226,-0.004043579,0.013206482,0.010314941,-0.04421997,-0.01625061,-0.032196045,0.019302368,-0.012001038,0.028335571,-0.0014896393,0.006954193,-0.03152466,-0.058044434,-0.012519836,0.007843018,-0.0074882507,-0.058441162,-0.019012451,-0.067993164,0.0045318604,0.0010290146,-0.025878906,0.00045132637,0.015174866,-0.017288208,-0.09161377,0.02822876,0.051971436,0.010292053,0.0093688965,-0.017089844,0.019439697,0.031036377,-0.023544312,-0.015457153,0.030426025,-0.011894226,-0.03387451,-0.020721436,0.036499023,-0.016494751,-0.015838623,0.012481689,0.020980835,0.034973145,-0.0041160583,0.020019531,-0.012123108,0.009902954,-0.012275696,-0.0028324127,-0.01247406,-0.0033874512,0.03894043,-0.046905518,0.031951904,0.004032135,0.013015747,0.0020332336,0.030181885,0.03717041,-0.0491333,0.010681152,0.04095459,0.018844604,0.03744507,-0.015930176,0.045013428,0.033843994,-0.0211792,0.03878784,-0.014335632,-0.035064697,-0.033691406,-0.017654419,0.01676941,0.01979065,0.026611328,-0.0345459,-0.014060974,0.030914307,-0.013542175,0.016189575,-0.007270813,-0.015213013,-0.019836426,0.0035552979,0.023025513,-0.0009446144,-0.009239197,0.028549194,0.028503418,0.028778076,-0.007118225,-0.011459351,0.009849548,0.018676758,-0.015594482,0.008132935,0.016113281,0.009643555,0.012519836,0.010406494,0.012359619,-0.025878906,-0.02053833,-0.024154663,-0.023666382,-0.0031356812,0.0042037964,-0.007030487,0.00013589859,0.008132935,0.006290436,-0.03552246,0.011772156,-0.02949524,-0.021408081,-0.018478394,-0.0059280396,0.02670288,0.0028877258,-0.0030918121,0.0070343018,0.011329651,0.057434082,-0.0008907318,-0.0063285828,0.008926392,0.046966553,0.020721436,-0.0357666,-0.0021266937,-0.007511139,0.0013475418,-0.0026779175,-0.030227661,0.016998291,0.03652954,-0.025787354,0.012023926,-0.005191803,0.0006866455,-0.0016527176,0.0044555664,-0.009483337,0.012702942,-0.010231018,0.02809143,-0.044952393,0.013397217,0.023666382,0.000579834,0.00036001205,-0.022842407,-0.021759033,0.024459839,-0.0007715225,-0.00894165,0.048187256,-0.01374054,0.034210205,-0.029846191,-0.022506714,0.013908386,-0.024627686,-0.026382446,0.04324341,-0.008911133,-0.004257202,0.0019817352,-0.016983032,0.02243042,-0.029785156,0.02255249,-0.0140686035,-0.008476257,-0.023452759,-0.023651123,-0.008544922,-0.007736206,-0.040130615,0.007850647,0.00006920099,0.05267334,0.032073975,0.027694702,0.032196045,0.0234375,-0.0035552979,-0.039764404,-0.023010254,-0.011566162,-0.02368164,0.0259552,-0.034240723,0.027664185,0.033599854,-0.0032024384,0.023925781,0.057434082,0.023590088,-0.006038666,0.0032043457,-0.01525116,0.0009860992,-0.010803223,0.03048706,0.014923096,0.04046631,-0.020019531,0.010437012,-0.010482788,0.027038574,-0.033325195,0.024627686,0.07885742,0.021987915,-0.0087890625,0.038482666,-0.0064697266,-0.016708374,-0.003112793,-0.019973755,0.051940918,0.012664795,0.048217773,0.042236328,0.015319824,-0.0024280548,0.032592773,-0.019973755,-0.028686523,0.043670654,0.024017334,-0.004016876,-0.008125305,-0.016967773,0.00037050247,-0.05871582,-0.009498596,0.01939392,-0.004135132,0.014816284,-0.029464722,0.0028839111,-0.012290955,0.015487671,-0.00018906593,0.014678955,-0.009010315,0.0109939575,0.019607544,0.0155181885,0.024993896,0.0051879883,0.024429321,-0.0262146,-0.01914978,0.005508423,0.01184845,-0.0022506714,0.007675171,0.024169922,0.030761719,0.03793335,0.042419434,-0.015129089,0.012771606,0.03062439,0.020950317,-0.005126953,0.0335083,0.019882202,0.007987976,0.03564453,0.041870117,0.021850586,-0.017044067,0.010894775,-0.021011353,0.021240234,-0.0053253174,-0.021713257,0.00598526,-0.008132935,0.011192322,-0.011199951,-0.021911621,0.027832031,0.033966064,0.006702423,-0.0070495605,-0.020767212,-0.020523071,0.0024147034,0.004951477,0.007873535,-0.020202637,0.026779175,0.0026416779,0.017562866,-0.010017395,0.018218994,-0.009727478,-0.029296875,-0.019454956,0.030914307,-0.038879395,0.0146484375,-0.009811401,-0.0012464523,-0.03555298,0.0073509216,0.023651123,0.0105896,0.026916504,0.015960693,-0.0071029663,-0.00051116943,0.018096924,-0.0053901672,-0.010421753,-0.008003235,-0.023345947,0.038208008,0.050994873,0.0027713776,0.010696411,-0.016098022,-0.004760742,-0.0028381348,-0.0087509155,-0.011291504,0.000016331673,-0.014717102,-0.03213501,0.028366089,0.036865234,0.025939941,0.0496521,-0.0043258667,-0.016525269,0.008583069,0.030258179,0.008575439,-0.0029792786,-0.011276245,0.028717041,-0.0072898865,0.048980713,0.024627686,-0.00081062317,0.021972656,-0.013702393,-0.028305054,0.003730774,-0.017684937,0.021438599,0.0026760101,0.021636963,-0.029129028,0.022384644,-0.026016235,-0.045715332,0.016616821,-0.023071289,-0.01083374,-0.022064209,-0.010696411,-0.0018033981,0.024154663,0.030197144,0.013084412,-0.021881104,0.07220459,-0.008659363,0.06640625,0.0017004013,0.0042495728,0.05770874,0.03942871,0.028945923,0.01373291,0.007461548,-0.040740967,0.0043754578,0.035614014,0.027297974,0.015716553,0.0008420944,-0.021453857,0.031829834,-0.0009217262,0.025741577,-0.00907135,-0.006126404,0.0115356445,0.0044059753,-0.00067806244,0.0015449524,0.004310608,0.0178833,0.038360596,-0.027435303,-0.010498047,-0.017364502,-0.011749268,0.031463623,-0.009063721,0.0036888123,-0.0065231323,-0.015586853,0.017745972,-0.029296875,-0.013381958,0.001408577,0.024337769,-0.031402588,-0.022537231,0.022079468,0.01889038,-0.01965332,0.030914307,0.02281189,0.0087509155,0.0033817291,0.04675293,-0.008171082,0.04421997,-0.016098022,0.008811951,0.026824951,0.010650635,-0.01625061,0.0016326904,0.00198555,-0.006832123,0.021514893,0.04598999,-0.0027046204,0.010955811,0.009094238,-0.012023926,0.0047721863,0.0104904175,-0.0024089813,0.013404846,0.007171631,-0.019897461,0.0012702942,-0.009162903,0.0015411377,0.009635925,-0.021408081,-0.0054130554,0.0037612915,0.03439331,0.0038642883,-0.043426514,-0.0010538101,0.015449524,0.009719849,-0.017791748,-0.032836914,-0.017578125,-0.024093628,0.0067481995,0.01108551,-0.005695343,0.0026111603,-0.01953125,-0.00017082691,0.021942139,-0.005302429,0.016479492,0.0048103333,-0.005619049,0.025314331,-0.02444458,-0.0009822845,-0.014526367,-0.012557983,0.01386261,0.03173828,-0.01625061,-0.031036377,0.01965332,-0.000060498714,0.010025024,-0.0078125,-0.0007967949,0.024124146,-0.019088745,-0.006954193,0.0051841736,0.017333984,-0.00856781,-0.018051147,-0.0146865845,0.018096924,0.043762207,-0.01826477,-0.005897522,0.0060920715,0.021957397,0.01838684,0.041992188,0.02407837,0.039611816,0.021850586,-0.020004272,-0.029159546,0.024749756,-0.006275177,-0.020629883,0.013427734,-0.01838684,-0.019897461,0.019073486,0.007247925,-0.002527237,-0.021209717,-0.008583069,-0.012001038,-0.023208618,0.023788452,-0.030761719,0.00869751,-0.03189087,-0.007751465,0.0069999695,-0.01953125,-0.048614502,-0.030151367,-0.011161804,-0.020019531,-0.055511475,-0.0029697418,-0.024673462,0.020935059,-0.011993408,0.0061836243,0.005710602,0.028579712,-0.008811951,0.0105896,0.02281189,0.02784729,0.006790161,0.02696228,0.030044556,-0.021759033,-0.030319214,-0.0064888,-0.004207611,-0.008468628,0.026046753,-0.011787415,0.037017822,0.0077934265,-0.011497498,-0.0007958412,-0.007659912,-0.002193451,-0.007522583,-0.030776978,-0.02532959,0.00060272217,0.0259552,-0.0034294128,-0.009124756,0.044830322,-0.023498535,-0.015350342,0.017471313,0.0635376,0.0107040405,0.02772522,-0.017684937,-0.0036373138,-0.0041122437,0.008529663,-0.005519867,0.002105713,0.0040245056,-0.00920105,0.01335907,0.00459671,0.02180481,-0.024551392,-0.01374054,0.016326904,-0.0062065125,-0.021362305,0.04043579,0.018188477,-0.0069236755,-0.011856079,-0.026306152,0.0077590942,0.036102295,0.01625061,0.012184143,-0.002500534,0.008987427,-0.019821167,0.008964539,0.018356323,-0.02067566,-0.020767212,-0.021652222,-0.018356323,0.017684937,-0.0033168793,0.021133423,-0.00422287,0.0063591003,-0.008476257,-0.01411438,-0.0284729,0.027038574,0.00094366074,-0.0054016113,-0.00843811,-0.0024528503,0.006263733,-0.035858154,-0.0014686584,-0.063964844,-0.01687622,-0.010543823,-0.023925781,0.021026611,-0.010093689,-0.01235199,0.011245728,0.0052261353,-0.00409317,0.0056266785,0.032806396,-0.019378662,-0.006866455,0.024032593,0.018508911,-0.024414062,0.003080368,-0.01235199,-0.011199951,0.014976501,-0.0031814575,0.018951416,-0.008621216,0.035003662,0.014907837,-0.01789856,0.030258179,-0.0039138794,0.008071899,-0.0054473877,0.008972168,0.0063095093,0.00061273575,0.03781128,-0.0072746277,-0.02748108,-0.00041890144,-0.015930176,-0.03591919,0.016143799,0.035217285,0.032714844,0.006679535,0.04058838,-0.020736694,-0.026885986,0.002702713,0.02027893,-0.022018433,-0.0027065277,0.02796936,-0.0029277802,0.0032234192,0.012031555,-0.0074424744,-0.03338623,-0.02078247,0.024490356,-0.012168884,-0.0034618378,0.012664795,0.025299072,0.053710938,0.011177063,0.005344391,0.02281189,-0.006248474,0.03100586,0.011260986,0.06427002,-0.006450653,-0.038085938,0.01878357,0.001619339,-0.014205933,-0.023727417,-0.0069732666,0.010749817,-0.04421997,0.01626587,-0.008270264,0.037506104,-0.011329651,0.013572693,-0.015312195,-0.011405945,-0.023773193,-0.02128601,-0.030227661,0.018096924,0.0385437,0.011657715,0.02027893,0.0069618225,-0.021499634,0.013420105,0.032226562,-0.0011110306,-0.035736084,-0.020843506,0.024856567,-0.0023155212,0.004272461,0.01322937,-0.033325195,-0.017318726,0.0051002502,-0.01171875,0.006160736,0.0006928444,0.011962891,0.01524353,-0.01158905,0.0005617142,0.024429321,0.0017900467,0.0007519722,0.006816864,0.006717682,0.028640747,0.03274536,-0.014976501,0.00088882446,0.016845703,-0.018081665,0.04559326,-0.006969452,0.019851685,-0.023834229,0.008056641,-0.047424316,-0.0074539185,-0.010520935,0.014884949],"createdAt":"2026-04-18T19:28:33.745Z","updatedAt":"2026-04-22T10:32:29.769Z","lastSeenAt":"2026-04-22T10:32:29.769Z","tsv":"'/api/v1/wire/133':65,190 '/request':182 '0.02':10,29,102,181 '000':97 '0x8335':87 '20':96 '2913':88 '6':107 'Base network API' 'USDC micropayment API' 'accept':72 'access':6,25,70,199 'advertis':137 'ai':148 'analysi':152 'analyt':142 'api':5,24,56,69,110,198 'appropri':125 'attach':117 'avail':252 'awar':256 'base':8,27,60,90,98 'base-network' 'behind':189 'beyond':194 'broader':134 'call':55 'caller':116,253 'capabl':208 'categori':140 'challeng':80 'classif':155 'connect':229 'content':235 'contract':86 'convers':172 'cost':94 'crawl':238 'crypto-gated endpoint' 'data':141,145 'decim':108 'document':193,220,247,260 'embed':156 'endpoint':40,139,175,214,270 'equal':101 'estim':166 'exact':262 'exampl':251 'exchang':161 'export':146 'feed':160 'financ':157 'format':264 'function':188 'gas':165 'gate':3,22,75 'generat':173 'generic':196 'geocod':170 'header':122 'host':57 'howev':185 'infrastructur':168 'input':263 'insight':147 'json':131 'json-response' 'key':16,35,111 'label':67,200 'learn':150 'limit':19,38 'list':177 'lowpaymentfee' 'lowpaymentfee.com':42,135 'machin':149 'map':215 'maximum':93 'metric':143 'network':61 'no-api-key' 'openapi':242 'page':224 'part':44 'particular':212 'pay':9,28,53 'pay-per-cal':52 'pay-per-call API' 'pay-per-request' 'payment':79,81,121,126 'per':11,30,54,103 'platform':136 'point':184 'post':73 'post-method' 'premium':4,23,68,197 'premium API access' 'price':159,183,221 'prompt':231 'proof':127 'protocol':51 'quot':164 'rate':18,37,162 'readm':223 'receiv':129 'remain':271 'report':144 'request':12,31,74,104 'request/response':245 'requir':115 'resourc':64 'respons':132,266 'return':226 'schema':246 'sentiment':151 'settl':83 'sever':138 'site':218 'spec':243 'specif':63,187 'structur':267 'subscript':113 'substant':234 'suit':47 'summar':154 'text':153 'token':163 'unclear':204 'unit':99 'unknown':272 'usag':250 'usdc':14,33,85,105 'usdc-settlement' 'use':106 'util':169 'valid':171 'wallet':230 'web3':158 'wire':213 'without':258 'x':120 'x-payment':119 'x402':2,21,50,78 'x402 API' 'x402-gated':1,20 'x402-payment' 'x402-protocol':49","prices":[{"id":"9dd73a9d-2bed-42d3-949b-086069941ac6","listingId":"fb5148af-ce06-41c2-b9c4-5f8341a46745","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/wire/133","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T19:28:33.745Z"}],"sources":[{"listingId":"fb5148af-ce06-41c2-b9c4-5f8341a46745","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/wire/133","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T19:28:33.745Z","lastSeenAt":"2026-04-22T10:32:29.769Z"}],"details":{"listingId":"fb5148af-ce06-41c2-b9c4-5f8341a46745","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/wire/133 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-proof>\" \\\n  -d '{}'","exampleRequest":{"url":"https://lowpaymentfee.com/api/v1/wire/133","body":{},"method":"POST","headers":{"X-PAYMENT":"<x402-payment-proof>","Content-Type":"application/json"}},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/wire/133"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/wire/133"},{"claim":"All endpoints 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 categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure","source_url":"https://lowpaymentfee.com"}],"useCases":["Programmatic access to a pay-per-call API without managing API keys or subscriptions","Agent-driven workflows that need to pay for API calls on-chain via x402","Integrating low-cost per-request services settled in USDC on Base"],"bestFor":["Developers or agents already set up with x402 payment flows on Base","Use cases requiring keyless, pay-as-you-go API access","Low-volume or bursty workloads where per-request pricing is preferable to subscriptions"],"notFor":["Users who need detailed API documentation or guaranteed SLAs before integrating","High-volume production workloads where undocumented endpoints pose a risk","Anyone without a Base-compatible USDC wallet or x402 client"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:31.836Z"},"updatedAt":"2026-04-22T10:32:29.769Z"}}