{"id":"fe2e0911-0908-4d30-a739-efb4e2461a92","shortId":"6AxyjT","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/wire/3` is listed as \"Premium API Access\" and returns a 402 challenge requesting up to 20,000 base units of USDC (0.02 USD) per call. The platform advertises no API keys, no rate limits, and instant access — you simply attach an x402 payment header to each request.\n\nThe broader platform offers endpoints across four 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 priced at $0.02 per request.\n\nHowever, the documentation pages (`/docs`, `/pricing`, `/api`, `/README`) all returned only a \"Connect wallet\" prompt with no actual technical documentation, schemas, or usage examples. The specific functionality behind `/api/v1/wire/3` (\"Premium API Access\") is not described anywhere in the crawled material, making it unclear what data or service this particular endpoint returns. Without request/response schemas or documentation, integrating this endpoint requires experimentation.","tags":[],"capabilities":["x402-payment","usdc-base-network","pay-per-request","no-api-key","http-post"],"categories":["api-platform","infrastructure"],"synonyms":["x402 API","micropayment API","USDC pay-per-call","Base network API","lowpaymentfee","crypto API access","402 payment protocol"],"warnings":["No documentation available — all doc pages (/docs, /pricing, /api, /README) return only a 'Connect wallet' prompt with no technical content.","The specific functionality of /api/v1/wire/3 ('Premium API Access') is undocumented; it is unclear what data or service it provides.","No request or response schemas are available; integration requires trial and error.","The platform lists many endpoint categories (AI, finance, data, infrastructure) but none have documented schemas or examples."],"endpointUrl":"https://lowpaymentfee.com/api/v1/wire/3","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/3","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge, confirming pricing and payment details. However, there is no documentation, no request/response schema, and no description of what /api/v1/wire/3 actually returns. All doc pages show only 'Connect wallet' with no content. 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":"2026-04-19T15:08:51.100Z","embedding":[-0.020263672,-0.044952393,0.022201538,0.0010681152,0.010002136,-0.027832031,-0.015899658,0.024551392,0.06329346,-0.071777344,0.018478394,-0.038848877,-0.034301758,-0.029022217,-0.017074585,0.010398865,0.008094788,0.008239746,-0.023391724,0.02368164,0.021881104,-0.00012409687,-0.027572632,0.030258179,0.0079193115,0.0011167526,-0.004085541,0.0039367676,-0.020889282,-0.03894043,0.042144775,-0.022262573,-0.012771606,0.011772156,-0.031036377,-0.014625549,0.00037193298,0.036895752,0.021774292,0.0044059753,-0.00086832047,-0.056152344,0.0020942688,-0.022079468,-0.046813965,-0.0082473755,-0.0069732666,0.0037460327,0.009750366,-0.0037117004,-0.034698486,-0.0061302185,-0.0057411194,0.005050659,-0.0030136108,0.015975952,0.0071029663,-0.015060425,-0.004638672,0.0099105835,-0.0029716492,-0.056518555,-0.020217896,-0.011703491,0.009643555,0.059387207,-0.0090408325,0.04248047,0.016601562,0.07208252,0.039276123,0.05923462,0.044128418,0.00033140182,-0.007587433,-0.011367798,-0.013023376,0.045806885,-0.024230957,-0.021347046,-0.02104187,-0.019958496,-0.064575195,0.011360168,-0.027572632,-0.047180176,-0.013534546,0.020370483,-0.008613586,0.016403198,-0.078125,-0.0026607513,-0.013214111,-0.0020999908,0.0038375854,0.003238678,-0.003929138,0.021453857,-0.020584106,0.021942139,-0.009033203,-0.035003662,0.011955261,0.013305664,0.026153564,0.043670654,0.025024414,0.010940552,-0.0009675026,-0.0033435822,-0.018234253,0.013412476,-0.0079956055,-0.010520935,0.01890564,0.0019950867,-0.0034236908,0.0039367676,-0.009460449,0.032592773,-0.050842285,0.045532227,0.009391785,-0.004211426,0.013999939,-0.035980225,-0.021148682,0.013824463,-0.0149002075,-0.0026245117,0.029067993,0.010154724,0.034942627,-0.032562256,-0.028259277,0.025039673,-0.029678345,-0.006526947,-0.052337646,-0.017929077,0.04525757,-0.024734497,0.020584106,0.018234253,-0.084228516,0.00088214874,-0.036712646,0.0061569214,-0.024520874,-0.011726379,-0.0035247803,0.034057617,-0.014732361,-0.017669678,-0.023651123,-0.021972656,0.004760742,0.030151367,-0.014587402,0.04458618,-0.017654419,0.027359009,0.0066490173,0.0073127747,0.012214661,0.018432617,-0.011642456,-0.084472656,-0.07861328,-0.01600647,-0.00097227097,-0.024795532,-0.030731201,0.024551392,0.008758545,-0.06842041,-0.014381409,-0.014167786,0.01133728,-0.031463623,0.0073394775,-0.024932861,0.0066223145,-0.002401352,-0.070617676,-0.02961731,-0.021652222,0.060333252,0.021606445,0.025802612,0.03152466,-0.011238098,0.056518555,0.017456055,-0.010505676,-0.009635925,0.017089844,-0.022277832,0.017227173,-0.009902954,0.007183075,-0.02949524,0.038269043,0.07019043,0.0033111572,-0.0074653625,-0.010314941,-0.07550049,-0.046417236,-0.03338623,0.017593384,0.008972168,0.008682251,0.05090332,-0.034454346,-0.050964355,0.005428314,0.0075950623,0.008361816,0.057403564,0.007255554,-0.013893127,0.02331543,0.019592285,-0.05645752,0.041229248,0.026504517,0.008171082,-0.012542725,-0.022735596,0.03552246,0.044067383,-0.018585205,0.010688782,-0.007873535,0.032989502,-0.013771057,-0.0022411346,0.02293396,-0.023712158,-0.020187378,-0.03942871,-0.026275635,0.041900635,0.001739502,-0.026916504,-0.029144287,-0.07104492,0.039245605,0.0440979,0.0423584,-0.0012321472,0.01612854,-0.010597229,-0.0010948181,-0.058563232,0.06427002,0.066467285,0.010795593,-0.018218994,0.029937744,-0.0029964447,-0.023422241,0.022262573,-0.0077781677,-0.032806396,-0.013435364,0.014312744,-0.047576904,-0.0016803741,0.020950317,0.03062439,0.061035156,-0.01373291,-0.05819702,-0.023956299,-0.0010766983,0.00390625,-0.015151978,0.00983429,0.0014619827,0.014518738,0.0118637085,0.008644104,0.010635376,0.005252838,-0.008895874,0.008972168,-0.0044784546,-0.0107040405,-0.027648926,0.017120361,-0.009605408,-0.058776855,0.0126571655,0.0049743652,0.06842041,-0.051208496,0.039916992,-0.009132385,0.0013504028,0.05834961,-0.00093889236,-0.035064697,0.0058288574,0.026947021,0.011260986,0.041931152,0.015625,-0.042175293,-0.018157959,0.07446289,-0.00844574,-0.0113220215,0.0023345947,0.014549255,0.04498291,-0.009979248,-0.064941406,-0.029678345,-0.0045433044,-0.03717041,0.034088135,-0.041290283,0.02217102,-0.023590088,-0.0013914108,-0.02168274,-0.004283905,-0.03829956,0.007446289,-0.006931305,0.020584106,-0.02406311,-0.021316528,0.013916016,-0.001124382,-0.003929138,0.0011138916,0.049316406,0.016403198,0.0046577454,-0.039886475,-0.025558472,-0.008674622,0.0013809204,0.017227173,0.020599365,0.036102295,0.06112671,-0.031921387,0.007587433,0.02734375,0.019165039,0.042266846,-0.012214661,0.0041618347,-0.06530762,-0.045440674,-0.029800415,-0.0546875,0.033050537,0.004535675,-0.008834839,0.04208374,0.025100708,-0.024154663,-0.043823242,0.017501831,-0.047088623,-0.006038666,0.03643799,-0.017929077,-0.028839111,0.010437012,0.0057678223,0.006614685,0.03527832,0.016815186,0.029968262,0.07446289,0.037261963,0.0009279251,0.017059326,-0.0047912598,0.030822754,0.006175995,-0.013214111,-0.030548096,-0.015625,0.046936035,-0.01637268,-0.010047913,-0.09057617,0.061553955,0.026031494,0.08795166,0.016677856,0.014709473,0.027816772,-0.017715454,0.0028419495,-0.042022705,-0.022201538,-0.009300232,-0.04333496,0.04046631,-0.016326904,-0.0030841827,-0.029205322,0.031021118,-0.010391235,0.026351929,-0.010353088,0.04473877,-0.026885986,-0.0040130615,0.009292603,0.02619934,0.0496521,0.06112671,-0.037384033,0.029022217,0.030166626,-0.009346008,0.007820129,0.028778076,-0.013916016,0.011886597,-0.0635376,-0.025863647,-0.017700195,-0.017456055,-0.0413208,0.008430481,0.014846802,0.02809143,0.031433105,-0.004081726,-0.013641357,-0.0068740845,-0.011184692,-0.048858643,0.0135650635,-0.03427124,0.00021708012,0.032836914,-0.00831604,-0.013511658,0.0008401871,-0.0072135925,-0.017547607,0.015007019,0.021148682,0.009483337,-0.042755127,0.0368042,0.016723633,0.0031051636,0.013786316,0.028961182,0.01739502,0.023849487,0.05645752,0.0096206665,-0.021392822,-0.068237305,0.019714355,-0.051086426,-0.0019569397,0.025680542,-0.028152466,-0.013954163,-0.018859863,-0.025680542,-0.021316528,0.02809143,-0.025848389,0.021270752,0.0071754456,-0.021316528,-0.022537231,-0.047424316,-0.020187378,-0.0009717941,0.07171631,0.021209717,0.00072193146,-0.06585693,-0.008956909,0.008369446,0.010635376,0.038208008,-0.014549255,-0.003129959,-0.019470215,-0.053466797,-0.007785797,-0.03692627,0.024383545,-0.005672455,-0.0071372986,0.023010254,0.006286621,0.03152466,0.0073280334,0.001455307,0.033416748,-0.030456543,-0.017059326,-0.0010156631,0.034820557,0.022262573,0.008140564,-0.046966553,0.043395996,0.026397705,0.03326416,-0.042541504,-0.011131287,-0.011985779,0.0058898926,0.0079574585,-0.010215759,-0.004436493,0.00085258484,-0.043792725,-0.058654785,0.04953003,-0.018707275,0.020492554,0.020843506,-0.0062408447,0.021408081,-0.00061511993,0.0074768066,0.012496948,-0.026855469,-0.00058984756,-0.013092041,-0.030014038,-0.012336731,-0.024627686,-0.027832031,0.020812988,-0.019363403,0.014755249,0.0068130493,-0.017837524,0.030197144,0.004558563,-0.012779236,0.013671875,-0.011833191,0.027832031,0.040771484,0.001209259,-0.04989624,0.020874023,0.0048103333,0.016189575,-0.0048599243,0.034179688,0.032318115,0.0075683594,-0.00093460083,-0.012054443,-0.018188477,-0.022827148,-0.0034561157,0.018341064,0.008415222,0.0050849915,-0.04055786,0.011161804,0.0034561157,-0.04663086,-0.021469116,0.0070648193,0.007785797,-0.031402588,0.013618469,0.03302002,0.048614502,-0.016296387,-0.005870819,0.0027770996,0.02960205,0.042419434,0.011138916,-0.019851685,0.021057129,-0.018844604,0.0017557144,-0.004283905,-0.017532349,0.016204834,0.002105713,0.02456665,0.036346436,0.006198883,-0.03353882,-0.035308838,0.00027775764,-0.0069274902,-0.016967773,0.023376465,0.018615723,0.01889038,-0.016021729,0.01675415,0.022216797,-0.027130127,-0.010528564,-0.011741638,0.04727173,-0.020645142,-0.0119018555,0.016204834,0.014945984,0.027053833,-0.04800415,-0.0077056885,0.009773254,0.006313324,-0.024856567,-0.04095459,-0.044677734,0.0067367554,0.03857422,-0.0008955002,0.01725769,0.03225708,0.0016918182,0.0047187805,0.030410767,0.005794525,-0.021224976,-0.01852417,-0.038116455,-0.015609741,-0.016983032,-0.021728516,-0.026306152,0.018661499,-0.0056610107,-0.04171753,0.0027713776,-0.002752304,-0.0023441315,0.0012903214,0.013298035,0.039245605,0.00944519,0.02230835,-0.015403748,-0.0473938,0.0025405884,-0.001709938,0.0028495789,-0.046325684,0.014862061,-0.015838623,-0.012306213,0.015777588,0.013587952,0.015853882,0.026885986,0.011909485,0.03704834,-0.052856445,0.05203247,-0.033599854,0.0105896,-0.001086235,-0.046966553,-0.0072288513,-0.019760132,-0.012207031,0.043762207,-0.02734375,-0.0077667236,-0.028762817,-0.028259277,-0.0028915405,-0.04373169,0.020019531,0.042297363,0.028839111,-0.025390625,0.007774353,0.0019216537,0.009117126,-0.012870789,-0.00033259392,-0.024291992,0.029968262,0.015464783,0.0001975298,-0.03741455,-0.026489258,-0.021316528,0.0015382767,-0.036865234,-0.048736572,-0.0132751465,-0.0068359375,-0.00566864,-0.003250122,-0.028656006,-0.033599854,0.001709938,-0.046447754,0.012229919,0.015586853,0.022140503,0.0030212402,-0.024627686,0.0064926147,0.017700195,-0.022338867,0.031921387,0.0011034012,-0.009727478,-0.053771973,0.012878418,0.006175995,0.024795532,0.0014858246,-0.021377563,-0.012542725,-0.02079773,-0.060455322,0.00037527084,-0.00630188,-0.012718201,-0.017913818,0.0023155212,-0.051727295,-0.010383606,-0.008857727,0.009155273,0.019332886,0.010101318,0.015716553,-0.010047913,0.013290405,0.0012273788,-0.008865356,-0.026641846,0.00982666,0.011070251,-0.006755829,0.027435303,0.041534424,0.0054740906,-0.030563354,0.004360199,0.018066406,0.010246277,-0.03152466,0.008132935,-0.02154541,0.007083893,-0.013587952,-0.015556335,-0.03945923,-0.0014381409,0.092285156,-0.0020332336,-0.024169922,-0.009925842,-0.015335083,0.015335083,0.022232056,-0.032714844,-0.01763916,-0.021606445,0.020874023,-0.02809143,0.013298035,-0.0058021545,0.020629883,-0.018157959,-0.053100586,-0.024871826,-0.009063721,-0.01675415,-0.054779053,-0.036865234,-0.075927734,0.006412506,0.0013856888,-0.014755249,0.0011997223,0.008277893,-0.021438599,-0.07678223,0.011985779,0.056610107,0.011100769,0.021728516,-0.002691269,0.018951416,0.026245117,-0.041503906,-0.002275467,0.030151367,-0.018005371,-0.018661499,-0.020080566,0.022354126,-0.014350891,-0.013694763,0.004257202,0.017166138,0.026947021,-0.009376526,0.017349243,-0.003168106,0.016174316,-0.01940918,0.010650635,-0.019958496,-0.009529114,0.03842163,-0.045288086,0.0146102905,0.006580353,-0.014389038,0.004764557,0.029754639,0.036590576,-0.03933716,-0.009056091,0.025894165,0.009162903,0.026824951,-0.018875122,0.042053223,0.020706177,-0.02508545,0.03111267,-0.010787964,-0.015853882,-0.021026611,-0.031097412,0.022445679,-0.0025043488,0.020751953,-0.030517578,-0.005340576,0.01789856,-0.000052571297,0.018661499,-0.0041389465,-0.02444458,-0.021896362,0.00049591064,0.011978149,0.000954628,-0.0059928894,0.023223877,0.03756714,0.027023315,0.0071372986,-0.014152527,-0.0022296906,0.029907227,-0.013389587,0.0057640076,0.029937744,0.0029907227,0.021972656,0.007701874,0.02406311,-0.044708252,-0.021102905,-0.023025513,-0.02935791,-0.008178711,-0.0055236816,-0.019546509,-0.004486084,0.009063721,-0.0027122498,-0.027359009,-0.0013914108,-0.016708374,-0.02079773,-0.008522034,-0.014167786,0.035980225,0.0006790161,0.0027008057,-0.0005578995,0.0052375793,0.044311523,-0.006263733,-0.015136719,0.02381897,0.029968262,0.026000977,-0.03250122,-0.008262634,-0.009796143,-0.0035972595,-0.0014123917,-0.043426514,0.005378723,0.03866577,-0.024902344,0.005153656,0.010063171,0.017837524,-0.0070114136,-0.0038051605,-0.015571594,0.0146102905,-0.0077400208,0.030929565,-0.04208374,0.019714355,0.014099121,-0.0015497208,-0.014045715,-0.0073051453,-0.021072388,0.021713257,0.0066719055,-0.0096206665,0.051940918,-0.001121521,0.032287598,-0.014625549,-0.026809692,0.012779236,-0.024734497,-0.026031494,0.03778076,-0.011009216,0.0024337769,0.011474609,-0.02243042,0.038024902,-0.030227661,0.01625061,-0.0017051697,0.008041382,-0.0068473816,-0.022491455,0.0025119781,-0.0073013306,-0.028305054,0.011688232,0.0040359497,0.05203247,0.01576233,0.029678345,0.05279541,0.028839111,-0.0056762695,-0.031021118,-0.018875122,-0.0046958923,-0.016403198,0.027282715,-0.012954712,0.050720215,0.02671814,0.006828308,0.034606934,0.048706055,0.03451538,0.0042648315,0.0013952255,-0.015167236,0.0045318604,-0.000415802,0.031402588,0.0065193176,0.033416748,-0.032989502,0.031951904,0.005542755,0.02558899,-0.030929565,0.020843506,0.068847656,0.0154953,-0.015151978,0.049987793,-0.01675415,-0.013893127,-0.0035552979,-0.012199402,0.053527832,0.009346008,0.052886963,0.044891357,0.020324707,0.00016283989,0.024154663,-0.022735596,-0.01991272,0.048034668,0.034362793,-0.009735107,-0.006793976,0.0067481995,0.009338379,-0.05050659,-0.019042969,0.03189087,-0.013786316,0.007293701,-0.011383057,0.0026187897,-0.014862061,0.008666992,0.0066986084,0.009262085,-0.016220093,0.018798828,0.028778076,-0.0016841888,0.02909851,-0.0029659271,0.030090332,-0.029174805,-0.026138306,0.017166138,0.022384644,-0.009155273,-0.0010356903,0.023406982,0.014221191,0.026519775,0.041778564,-0.024551392,0.017959595,0.03137207,0.014656067,-0.010559082,0.050964355,0.031707764,0.0022735596,0.03652954,0.0259552,0.031555176,-0.033691406,0.025482178,-0.008872986,0.01423645,-0.008575439,-0.0116119385,0.0049819946,-0.012016296,0.012542725,-0.008262634,-0.015403748,0.023880005,0.029937744,-0.0031871796,-0.00497818,-0.025466919,-0.0035381317,-0.020263672,-0.0043792725,0.0076408386,-0.015129089,0.043548584,0.0033912659,0.021514893,-0.022384644,0.013458252,-0.0007452965,-0.019744873,-0.011146545,0.034423828,-0.033813477,0.014183044,-0.012786865,0.0038604736,-0.04763794,0.0053710938,0.030929565,-0.01184082,0.02571106,0.0069847107,-0.010101318,-0.0066184998,0.028198242,-0.0026397705,-0.0038700104,-0.001871109,-0.028808594,0.02986145,0.052459717,-0.0031700134,-0.00062799454,-0.024246216,-0.007457733,-0.00017392635,-0.013839722,-0.004928589,-0.0017166138,-0.01927185,-0.02432251,0.026809692,0.0463562,0.026473999,0.059570312,-0.023101807,-0.006603241,0.006767273,0.045654297,0.0051651,-0.0077285767,-0.009208679,0.012557983,-0.016479492,0.04953003,0.018875122,0.007980347,0.031280518,-0.00011962652,-0.028778076,0.0006055832,-0.016799927,0.021392822,-0.007286072,0.0057411194,-0.009567261,0.03253174,-0.013389587,-0.03363037,0.016586304,-0.01474762,-0.024353027,-0.01612854,0.0035362244,0.00014197826,0.034698486,0.03692627,0.021514893,-0.019134521,0.060699463,-0.008346558,0.052215576,0.008583069,0.00018465519,0.049682617,0.012817383,0.035858154,0.015960693,0.0075187683,-0.042266846,0.011650085,0.030075073,0.022262573,0.013511658,0.0059928894,-0.018096924,0.034729004,-0.00004285574,0.027755737,-0.005088806,-0.0011053085,0.012290955,0.004699707,-0.0049209595,-0.0067100525,-0.006401062,0.015586853,0.04196167,-0.0256958,-0.009757996,-0.02229309,-0.0096206665,0.023162842,-0.019577026,-0.00187397,0.002773285,-0.019241333,0.019088745,-0.02243042,-0.036621094,0.00075626373,0.023071289,-0.04840088,-0.020751953,0.011062622,0.030166626,-0.013763428,0.032928467,0.024337769,0.006855011,0.0010557175,0.046691895,-0.008636475,0.027420044,-0.022201538,0.015464783,0.02558899,0.009468079,-0.018722534,-0.0033836365,0.0070114136,-0.010536194,0.01838684,0.03955078,0.0011262894,0.006549835,0.003440857,-0.003364563,-0.0022735596,0.011413574,-0.0074005127,0.020553589,-0.004966736,-0.012588501,-0.0022830963,-0.004295349,-0.0023078918,0.010696411,-0.014091492,-0.01020813,0.0034370422,0.03237915,0.014717102,-0.034729004,-0.0019445419,0.010246277,0.02178955,-0.014060974,-0.014442444,-0.0035247803,-0.024932861,0.012214661,0.010101318,0.0030155182,0.008636475,-0.021133423,-0.0046920776,0.023468018,0.011009216,0.013694763,0.00018846989,-0.0035648346,0.02609253,-0.011741638,-0.006668091,-0.007583618,-0.01676941,0.011886597,0.031799316,-0.0073547363,-0.03427124,0.020751953,0.00032424927,0.011695862,-0.0099105835,-0.015586853,0.00919342,-0.0058288574,0.003528595,0.0063972473,0.018478394,-0.011871338,-0.0093307495,-0.007511139,0.04171753,0.054626465,-0.02330017,-0.0067481995,0.019882202,0.024642944,0.009994507,0.04055786,0.008354187,0.043395996,0.019866943,-0.026397705,-0.031707764,0.04208374,-0.009307861,-0.027160645,0.0121154785,-0.018615723,-0.02557373,0.01991272,0.019241333,-0.0014457703,-0.029754639,-0.0069084167,-0.0104599,-0.011131287,0.016845703,-0.023513794,0.0056419373,-0.025878906,-0.0033683777,0.007331848,-0.026168823,-0.053894043,-0.024612427,-0.006214142,-0.007575989,-0.05279541,0.0011425018,-0.029647827,0.014915466,-0.027496338,-0.007575989,-0.0043411255,0.009017944,-0.018936157,0.0022583008,0.017745972,0.019500732,0.024215698,0.009529114,0.026687622,-0.030334473,-0.01953125,-0.025009155,0.0059776306,-0.004676819,0.02394104,0.007911682,0.038726807,0.026855469,-0.01436615,-0.005241394,-0.00818634,-0.00018715858,-0.02166748,-0.016983032,-0.032287598,0.02330017,0.016113281,-0.0056037903,-0.019058228,0.04522705,-0.036895752,-0.016326904,0.024383545,0.053710938,0.007896423,0.020370483,-0.018966675,-0.004764557,-0.012306213,0.009933472,-0.0020618439,0.0040397644,0.010284424,-0.011436462,0.0027599335,0.0054779053,0.02859497,-0.010795593,-0.017059326,0.025634766,0.0013027191,-0.016082764,0.04333496,0.01763916,-0.0045051575,-0.006679535,-0.022003174,0.015899658,0.043701172,0.015686035,0.009147644,-0.00178051,0.0025310516,-0.01360321,0.0034275055,0.018325806,-0.019958496,-0.03945923,-0.026947021,-0.022964478,0.02104187,0.0055274963,0.016525269,-0.013183594,0.015060425,-0.019683838,-0.012207031,-0.029281616,0.040039062,0.01928711,-0.0076408386,-0.009918213,0.0066833496,0.001572609,-0.04434204,-0.0059165955,-0.05355835,-0.026397705,-0.0031642914,-0.022888184,0.036132812,0.006549835,-0.0054130554,-0.0021324158,0.0030002594,-0.0033912659,0.0028190613,0.030166626,-0.019058228,-0.0029125214,0.036834717,0.024536133,-0.017623901,0.016845703,-0.01423645,-0.0016651154,0.011909485,-0.01058197,0.022827148,-0.014007568,0.033081055,-0.0068206787,-0.01965332,0.023101807,-0.010978699,0.010848999,-0.023406982,0.014282227,0.0005016327,-0.0079956055,0.035858154,-0.028152466,-0.01777649,0.0071487427,-0.008605957,-0.021713257,0.0064582825,0.015388489,0.025634766,0.0047035217,0.049102783,-0.023788452,-0.01966858,0.010238647,0.011077881,-0.018157959,0.007881165,0.031036377,-0.0056533813,-0.0019683838,-0.00026369095,-0.017349243,-0.031982422,-0.012794495,0.02458191,-0.010383606,-0.0013408661,0.024291992,0.02204895,0.05493164,-0.0014982224,0.012565613,0.015808105,-0.002380371,0.026306152,0.012260437,0.076538086,-0.005176544,-0.03237915,0.013389587,-0.0017910004,-0.025146484,-0.013320923,-0.0051460266,0.004108429,-0.045654297,0.018112183,-0.009208679,0.025131226,-0.01763916,0.012893677,-0.017181396,-0.005748749,-0.034057617,-0.00390625,-0.03286743,0.015350342,0.03262329,0.0039901733,0.030090332,0.000667572,-0.024291992,0.016937256,0.040039062,-0.0028972626,-0.03375244,-0.016723633,0.015403748,-0.004310608,0.017929077,0.0046043396,-0.024978638,-0.014060974,0.015930176,-0.0184021,0.0029964447,-0.0037288666,0.010719299,0.015220642,-0.011894226,-0.0062179565,0.030075073,-0.002670288,-0.002773285,0.010467529,0.011123657,0.036071777,0.02381897,-0.012702942,0.017120361,0.011634827,-0.022537231,0.055145264,-0.0019950867,0.023452759,-0.025665283,0.004146576,-0.051116943,-0.022872925,-0.025650024,0.018600464],"createdAt":"2026-04-18T19:29:01.042Z","updatedAt":"2026-04-22T18:32:46.493Z","lastSeenAt":"2026-04-22T18:32:46.493Z","tsv":"'/api':158 '/api/v1/wire/3':56,180 '/docs':156 '/pricing':157 '/readme':159 '/request':13,28 '0.02':12,27,77,149 '000':72 '20':71 '402':66 '402 payment protocol' 'Base network API' 'USDC pay-per-call' 'accept':46 'access':62,92,183 'across':108 'actual':169 'advertis':83 'ai':118 'analysi':122 'analyt':112 'anywher':187 'api':5,20,38,61,85,182 'attach':95 'base':8,23,51,73 'behind':179 'broader':104 'call':4,19,80 'categori':110 'challeng':67 'classif':125 'connect':164 'convers':142 'crawl':190 'crypto API access' 'data':111,115,196 'describ':186 'document':154,171,207 'embed':126 'endpoint':55,107,145,201,210 'estim':136 'exampl':175 'exchang':131 'experiment':212 'export':116 'feed':130 'financ':127 'four':109 'function':178 'gas':135 'generat':143 'geocod':140 'header':99 'howev':152 'http-post' 'infrastructur':138 'insight':117 'instant':91 'integr':208 'key':86 'learn':120 'limit':89 'list':58 'lowpaymentfee' 'lowpaymentfee.com':31 'machin':119 'make':192 'materi':191 'metric':113 'micropayment API' 'network':9,24,52 'no-api-key' 'offer':106 'page':155 'particular':200 'pay':2,17,35 'pay-per-cal':1,16 'pay-per-request':34 'payment':48,98 'per':3,18,36,79,150 'platform':6,21,39,82,105 'premium':60,181 'price':129,147 'prompt':166 'protocol':44 'quot':134 'rate':88,132 'report':114 'request':37,68,102,151 'request/response':204 'requir':211 'return':64,161,202 'schema':172,205 'sentiment':121 'servic':198 'simpli':94 'specif':54,177 'summar':124 'technic':170 'text':123 'token':133 'unclear':194 'unit':74 'usag':174 'usd':78 'usdc':15,30,47,76 'usdc-base-network' 'use':41 'util':139 'valid':141 'via':10,25 'wallet':165 'web3':128 'without':203 'x402':11,26,43,97 'x402 API' 'x402-payment'","prices":[{"id":"f4fac2c8-bd8e-4caa-832b-da282cdeaee4","listingId":"fe2e0911-0908-4d30-a739-efb4e2461a92","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/3","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T19:29:01.042Z"}],"sources":[{"listingId":"fe2e0911-0908-4d30-a739-efb4e2461a92","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/wire/3","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T19:29:01.042Z","lastSeenAt":"2026-04-22T18:32:46.493Z"}],"details":{"listingId":"fe2e0911-0908-4d30-a739-efb4e2461a92","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/wire/3 \\\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 requesting up to 20,000 base units of USDC (asset 0x8335…) on Base network","source_url":"https://lowpaymentfee.com/api/v1/wire/3"},{"claim":"All endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The platform offers endpoints in Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages return only 'Connect wallet' with no technical content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Accessing premium API services with per-call 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 keyless, 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 guaranteed SLAs before integrating","High-volume consumers who need bulk pricing or rate-limit guarantees","Developers without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:30.506Z"},"updatedAt":"2026-04-22T18:32:46.493Z"}}