{"id":"9135e34f-70dd-4cd2-a1d5-d6f7ba88d04b","shortId":"PhVP8u","kind":"x402","title":"Pay-per-call API platform on Base (USDC) offering data, AI, finance, and utility endpoints at $0.02/request.","tagline":"Pay-per-call API platform on Base (USDC) offering data, AI, finance, and utility endpoints at $0.02/request.","description":"lowpaymentfee.com is an x402-enabled API platform that provides a collection of endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and general utility services. All endpoints are pay-per-request using the x402 protocol, settling payments in USDC on the Base network. There are no API keys, no rate limits, and no subscription commitments — callers simply attach an X-PAYMENT header with each request.\n\nThe specific endpoint at `/api/endpoint-34` is listed as \"Premium API Access\" and returns a valid 402 challenge requesting up to 20,000 base units of USDC (i.e., $0.02) per call. The broader platform advertises endpoints for sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and data generation — all at the same $0.02 price point.\n\nDocumentation is extremely sparse. The docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no detailed descriptions of what each endpoint actually returns. The endpoint path `/api/endpoint-34` does not correspond to any of the named endpoints listed on the homepage, making its specific functionality unclear.","tags":[],"capabilities":["x402-payment","usdc-base-network","pay-per-request","no-api-key","data-analytics","ai-inference","sentiment-analysis","text-summarization","classification","embeddings","finance-data","crypto-data","geocoding","utility-services"],"categories":["api-platform","ai","finance","data"],"synonyms":["low payment fee","x402 api","pay per call api","micropayment api","usdc api","base network api","serverless api","no-auth api"],"warnings":["The endpoint path /api/endpoint-34 does not match any of the named endpoints listed on the homepage; its actual functionality is unknown.","All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no usable content.","No OpenAPI schema, request format, or response examples are available anywhere in the crawled material.","The platform lists many endpoints but provides no evidence of what data or models back them."],"endpointUrl":"https://lowpaymentfee.com/api/endpoint-34","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/endpoint-34","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge, confirming it accepts USDC payments on Base. However, documentation is essentially nonexistent — all doc pages show only 'Connect wallet'. The endpoint path '/api/endpoint-34' doesn't match any named endpoint on the homepage, its specific functionality is unknown, and no request/response schemas or examples are available.","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":"2026-04-18T20:50:26.900Z","embedding":[-0.02809143,-0.020080566,0.04031372,0.017303467,0.013046265,-0.023742676,-0.024978638,0.027267456,0.074645996,-0.059051514,0.02268982,-0.059753418,-0.023132324,-0.043823242,-0.015655518,0.012626648,-0.0073928833,0.0035171509,-0.031204224,0.035858154,0.025375366,-0.008354187,-0.030395508,0.022705078,-0.007129669,-0.014228821,0.0011024475,0.0035915375,-0.02041626,-0.03564453,0.0491333,-0.0262146,0.0023345947,0.0018796921,-0.0069770813,-0.0016374588,-0.004261017,0.025787354,0.032348633,-0.005596161,-0.0062408447,-0.060272217,-0.0011072159,-0.018325806,-0.054840088,-0.017593384,0.02130127,-0.0104904175,0.009246826,0.0041236877,-0.05078125,-0.008979797,-0.011619568,0.025360107,-0.0088272095,0.013702393,-0.004928589,-0.01374054,0.006793976,0.0047683716,0.0051612854,-0.050689697,-0.025238037,0.006881714,-0.0021133423,0.042175293,-0.00774765,0.049926758,-0.008399963,0.06329346,0.040618896,0.044830322,0.028884888,0.007472992,0.005630493,-0.0010099411,-0.00970459,0.05645752,-0.0107040405,-0.03237915,-0.0049362183,-0.0031394958,-0.05368042,-0.006793976,-0.016983032,-0.054595947,-0.02607727,0.022277832,-0.03652954,0.03982544,-0.06719971,-0.020126343,-0.013458252,-0.0049362183,-0.0036964417,-0.00003451109,-0.0020980835,0.015319824,-0.012535095,0.023498535,-0.016677856,-0.040771484,0.002790451,0.011810303,0.045806885,0.037384033,0.023666382,0.0113220215,0.011772156,-0.009300232,-0.05480957,0.0043525696,-0.012580872,-0.015411377,0.0087509155,0.009086609,-0.018325806,0.01889038,-0.025680542,0.014472961,-0.04611206,0.055267334,0.015396118,0.0070343018,0.0070610046,-0.054351807,-0.013343811,0.010513306,-0.034210205,-0.024932861,0.0234375,0.014709473,0.019348145,-0.01914978,-0.025375366,0.006969452,-0.022537231,-0.00308609,-0.042877197,-0.028060913,0.030883789,-0.03265381,0.02116394,0.024932861,-0.09918213,-0.01586914,-0.044830322,0.014152527,-0.03149414,-0.0043258667,0.001789093,0.026916504,-0.029067993,-0.025680542,-0.02230835,-0.011230469,-0.004055023,0.026519775,-0.018875122,0.039245605,-0.025482178,0.023468018,0.015731812,0.0023422241,0.020309448,0.02848816,-0.00033259392,-0.0947876,-0.08465576,-0.029953003,-0.0032482147,-0.035614014,-0.01991272,-0.0052948,-0.0047302246,-0.049072266,-0.012634277,-0.005470276,0.0061912537,-0.04421997,0.0026283264,-0.023162842,0.014045715,-0.003118515,-0.0446167,-0.032928467,-0.024032593,0.06201172,0.02406311,0.037750244,0.021530151,-0.0028572083,0.070739746,0.027633667,-0.008338928,-0.014816284,0.01965332,-0.01725769,0.02822876,-0.0030975342,0.0104522705,-0.025268555,0.04837036,0.062683105,0.0044937134,-0.014671326,-0.012893677,-0.05569458,-0.051635742,-0.03842163,0.021606445,0.0061454773,-0.00023007393,0.04296875,-0.034973145,-0.04055786,-0.011238098,0.022003174,0.01939392,0.07006836,0.017944336,0.0063438416,0.027023315,0.01499939,-0.043304443,0.038848877,0.030853271,0.0011453629,-0.020462036,-0.021392822,0.038513184,0.040802002,-0.015670776,0.024215698,-0.01474762,0.022628784,-0.0009841919,0.002708435,0.016021729,0.00034713745,-0.028457642,-0.022064209,-0.02557373,0.026550293,0.0013141632,-0.021118164,-0.031921387,-0.083618164,0.05117798,0.029525757,0.04421997,-0.005634308,0.016311646,-0.017105103,-0.009086609,-0.068847656,0.05307007,0.073913574,0.014190674,-0.016464233,0.011947632,0.0060653687,-0.028778076,0.0033397675,-0.013938904,-0.031951904,-0.013763428,0.011993408,-0.0574646,-0.013076782,0.024612427,0.018249512,0.05432129,-0.013252258,-0.04034424,-0.009887695,-0.005706787,-0.0041618347,-0.035705566,0.005432129,-0.004852295,0.010543823,0.028198242,0.0040245056,0.014640808,-0.0065193176,0.004169464,-0.007724762,-0.00040721893,-0.013328552,-0.028442383,0.013153076,-0.0008687973,-0.050628662,0.012519836,-0.00064754486,0.07763672,-0.046875,0.037017822,-0.0154953,0.021331787,0.037078857,-0.011955261,-0.053833008,0.0076522827,0.02432251,0.01386261,0.053497314,0.008239746,-0.043823242,-0.020828247,0.06689453,-0.008430481,0.003982544,0.014045715,0.0032482147,0.03768921,-0.0038433075,-0.046722412,-0.048675537,-0.004371643,-0.03778076,0.02758789,-0.017608643,0.013412476,-0.0057525635,0.00088119507,-0.016647339,0.0010499954,-0.02935791,0.016693115,-0.033691406,0.00012910366,-0.0035743713,-0.025558472,0.0040740967,0.02545166,-0.005126953,0.010292053,0.039123535,0.0158844,-0.009140015,-0.028335571,-0.02859497,-0.0033073425,-0.014923096,0.012039185,0.025115967,0.023864746,0.051635742,-0.03286743,0.003156662,0.02734375,0.0049476624,0.03857422,-0.00737381,-0.0030269623,-0.074523926,-0.04800415,-0.033813477,-0.03881836,0.02406311,0.0259552,-0.005214691,0.04449463,0.003501892,-0.025680542,-0.04006958,0.022735596,-0.051605225,-0.007633209,0.030792236,-0.019210815,-0.029449463,-0.0047073364,-0.004425049,-0.0027503967,0.034088135,0.0077056885,0.023132324,0.070617676,0.039794922,0.002626419,0.024429321,0.0048980713,0.029205322,0.018493652,-0.01348114,-0.03010559,-0.01007843,0.036224365,-0.026397705,-0.031677246,-0.077941895,0.07171631,0.03515625,0.06640625,0.008560181,0.009597778,0.03277588,-0.014656067,0.004852295,-0.020889282,-0.019454956,-0.01902771,-0.034606934,0.045288086,-0.020309448,-0.00038647652,-0.019897461,0.045196533,-0.010108948,0.016860962,-0.022018433,0.03994751,-0.018798828,0.0039711,0.0049591064,0.009178162,0.059051514,0.068603516,-0.054229736,0.02243042,0.01826477,-0.03692627,0.011482239,0.056274414,-0.016601562,-0.009796143,-0.06097412,-0.02558899,-0.009162903,-0.0018167496,-0.052215576,0.00655365,0.011528015,0.01625061,0.039367676,-0.023498535,-0.020126343,-0.0018205643,-0.020477295,-0.07171631,-0.004119873,-0.039733887,-0.0009689331,0.02670288,-0.016204834,-0.016998291,0.0034122467,-0.008605957,-0.00466156,0.013504028,0.045043945,0.0022125244,-0.051483154,0.039367676,0.0063171387,0.024658203,0.019348145,0.0446167,0.023742676,0.015174866,0.05218506,0.0061912537,-0.029052734,-0.06604004,0.023239136,-0.057617188,-0.0034389496,0.018539429,-0.020599365,0.0013856888,-0.010635376,-0.039031982,-0.030212402,0.013977051,-0.023284912,0.007472992,0.01399231,-0.028778076,-0.037261963,-0.05279541,-0.020370483,-0.011291504,0.06915283,0.007209778,-0.00573349,-0.048706055,0.002714157,0.026367188,-0.00090932846,0.0435791,-0.015037537,-0.017303467,-0.016189575,-0.0362854,0.002418518,-0.030349731,0.0289917,-0.014427185,-0.004360199,0.0098724365,0.024307251,0.013961792,-0.005722046,0.011711121,0.016571045,-0.0309906,-0.01499939,-0.01550293,0.03805542,0.019348145,-0.017288208,-0.032592773,0.044921875,0.017044067,0.03475952,-0.026626587,-0.0065345764,-0.0008044243,0.012680054,0.022262573,-0.01826477,-0.011749268,-0.009010315,-0.04626465,-0.048797607,0.033416748,-0.02180481,0.025390625,0.0234375,0.016403198,0.020339966,-0.020568848,0.014205933,0.01625061,-0.031799316,-0.006793976,-0.028915405,-0.032928467,-0.020477295,-0.00020945072,-0.029556274,0.024475098,-0.01802063,0.0042495728,0.0030670166,-0.025497437,0.030395508,0.006038666,-0.005756378,0.026977539,-0.003129959,0.02293396,0.034576416,0.004016876,-0.05178833,0.026184082,-0.0062446594,0.021728516,-0.008529663,0.052093506,0.041259766,-0.0047798157,-0.008460999,-0.006816864,-0.021118164,-0.021072388,-0.0035572052,0.007724762,0.012664795,-0.012908936,-0.052856445,0.013298035,0.0004348755,-0.02279663,-0.024765015,0.012886047,0.011413574,-0.032836914,0.019561768,0.015426636,0.053588867,-0.028747559,0.008506775,0.0037460327,0.028945923,0.036621094,0.009185791,-0.0077209473,0.015686035,-0.011009216,0.0031700134,-0.012451172,-0.0020866394,0.027267456,-0.002855301,0.022918701,0.023025513,0.016494751,-0.030883789,-0.028640747,0.007003784,-0.014175415,-0.028305054,0.02003479,0.02067566,0.021392822,-0.027236938,0.02017212,0.009880066,-0.019119263,-0.014984131,-0.012359619,0.038909912,-0.012435913,-0.011276245,0.023223877,0.0011692047,0.0158844,-0.049926758,-0.0039978027,-0.0006632805,0.017211914,-0.0289917,-0.05569458,-0.041046143,0.0075149536,0.030181885,0.010871887,0.03756714,0.03845215,-0.0065612793,0.009605408,0.02394104,0.0030288696,-0.020370483,-0.02432251,-0.05319214,-0.029815674,-0.0058403015,0.007507324,-0.027832031,0.014457703,-0.0018072128,-0.03378296,0.0008096695,-0.0046920776,-0.010848999,-0.0002951622,0.01424408,0.046539307,0.009757996,0.020965576,-0.02067566,-0.030456543,-0.006126404,0.00283432,0.024871826,-0.05117798,0.019348145,-0.013587952,-0.019363403,-0.0070343018,0.018341064,0.019195557,0.024734497,0.014083862,0.019485474,-0.041229248,0.04510498,-0.034729004,0.023956299,0.0066108704,-0.04647827,-0.015014648,-0.034454346,-0.013504028,0.033935547,-0.027267456,-0.012817383,-0.03265381,-0.029891968,-0.02027893,-0.05596924,0.007801056,0.04449463,0.04324341,-0.030288696,0.0102005005,-0.0030841827,0.00762558,-0.005958557,-0.0030059814,-0.0051193237,0.0178833,0.032318115,0.00969696,-0.0036640167,-0.025985718,-0.02722168,-0.011795044,-0.042510986,-0.05947876,-0.018539429,0.00730896,-0.0069618225,-0.014099121,-0.029769897,-0.041412354,0.0028152466,-0.04598999,0.0045204163,0.0027885437,0.012504578,0.0154418945,-0.02571106,0.011993408,0.021820068,-0.024765015,0.027114868,0.0031871796,-0.010246277,-0.039916992,0.011650085,0.018737793,0.012893677,-0.0004837513,-0.015838623,-0.0075416565,-0.020553589,-0.05871582,0.002796173,-0.0074005127,-0.008094788,-0.009391785,0.0003633499,-0.057678223,-0.00093746185,-0.01737976,-0.0030593872,0.02230835,0.01914978,0.005001068,-0.010269165,0.015159607,-0.000018060207,-0.0064697266,-0.029129028,0.015609741,0.011154175,0.0008163452,0.034576416,0.038909912,-0.00091695786,-0.02142334,0.011756897,0.009963989,0.014457703,-0.016921997,0.0042381287,-0.01876831,0.016098022,-0.013961792,-0.0063705444,-0.033447266,0.0061149597,0.078186035,0.0006008148,-0.0003068447,-0.008148193,-0.022155762,0.0151901245,0.021438599,-0.046875,0.0018787384,-0.030136108,0.006942749,-0.02154541,0.019195557,0.007083893,0.02835083,-0.019439697,-0.041900635,-0.008148193,0.0021705627,-0.0022830963,-0.08111572,-0.02822876,-0.07397461,-0.0010595322,-0.0057868958,-0.029418945,0.0044555664,0.0071105957,-0.017211914,-0.07659912,0.007980347,0.043518066,0.0034255981,0.026916504,-0.0009384155,0.023834229,0.022140503,-0.022720337,0.0033092499,0.032592773,-0.018798828,-0.019256592,-0.022109985,0.019515991,-0.007419586,-0.008361816,0.0032596588,0.004421234,0.009468079,-0.007987976,0.011878967,0.000054895878,0.024261475,-0.025054932,0.020507812,-0.005344391,-0.011817932,0.042907715,-0.049072266,0.021011353,0.011894226,-0.008453369,0.0062408447,0.036956787,0.04171753,-0.033813477,-0.021820068,0.020523071,0.01625061,0.03100586,-0.022003174,0.04675293,0.012161255,-0.018463135,0.007835388,-0.0068092346,-0.0058250427,-0.033813477,-0.03970337,0.015670776,-0.0024318695,0.009185791,-0.015388489,-0.00356102,0.020889282,0.00019454956,0.007156372,-0.013092041,-0.012809753,-0.02494812,-0.0069770813,-0.006038666,0.007873535,0.0038337708,0.02407837,0.024047852,0.03704834,0.0076522827,-0.007865906,-0.0012340546,0.03237915,-0.011306763,0.0048446655,0.026931763,0.0140686035,0.01335144,0.023452759,0.0152282715,-0.047668457,-0.0030212402,-0.027511597,-0.018356323,0.0057258606,-0.014656067,-0.021224976,0.00015425682,0.001750946,-0.015052795,-0.028015137,0.0027008057,-0.030426025,-0.026733398,-0.014457703,-0.009109497,0.025817871,0.01637268,-0.004432678,0.015655518,-0.003118515,0.04788208,-0.009025574,-0.025344849,0.027557373,0.030273438,0.016601562,-0.041778564,-0.007896423,-0.014297485,-0.0017824173,0.005859375,-0.04135132,0.010612488,0.039520264,-0.017608643,0.0033168793,0.004436493,0.02734375,-0.011520386,0.00043797493,-0.008018494,0.01789856,-0.005947113,0.02835083,-0.056549072,0.020065308,0.015571594,0.0023708344,-0.009376526,-0.022720337,-0.015777588,0.019592285,0.0016927719,-0.01902771,0.054473877,-0.0031013489,0.02456665,-0.01285553,-0.023620605,0.0047302246,-0.03111267,-0.022003174,0.027618408,-0.014175415,0.006881714,0.014640808,-0.026168823,0.028915405,-0.03164673,0.0030536652,0.008583069,0.011512756,-0.009864807,-0.022415161,-0.006099701,0.0031719208,-0.0149383545,-0.0052871704,-0.0026798248,0.05050659,0.008918762,0.032073975,0.041168213,0.004016876,0.009033203,-0.043304443,-0.02229309,-0.0023040771,-0.028961182,0.020065308,-0.01525116,0.047668457,0.04663086,0.0044670105,0.041046143,0.031951904,0.037719727,-0.0049705505,0.014579773,-0.008041382,0.026443481,-0.014587402,0.019760132,0.010185242,0.043640137,-0.033325195,0.0209198,0.010246277,0.028961182,-0.017852783,0.045928955,0.06317139,0.02330017,-0.007850647,0.027954102,0.0015106201,-0.0077209473,-0.008842468,-0.026977539,0.05697632,0.014671326,0.055389404,0.049560547,-0.00009268522,0.004558563,0.016296387,-0.031677246,-0.019866943,0.06890869,0.018630981,-0.017913818,-0.0077781677,0.0036735535,0.012687683,-0.04107666,-0.02923584,0.024368286,-0.0060577393,-0.0015335083,-0.019500732,0.0049972534,-0.015357971,0.0017986298,0.010124207,0.014312744,-0.019866943,0.02168274,0.015701294,0.0061912537,0.03010559,-0.006290436,0.03149414,-0.022232056,-0.026489258,0.0154800415,0.017303467,-0.0119018555,-0.003458023,0.018676758,-0.00076293945,0.039520264,0.03414917,-0.017288208,0.007209778,0.029815674,0.017211914,0.0010309219,0.060333252,0.034454346,0.010505676,0.03338623,0.037963867,0.036468506,-0.034729004,0.017181396,0.010955811,-0.0018024445,-0.017745972,-0.020065308,0.011207581,-0.0044021606,0.014549255,-0.010093689,-0.014350891,0.020751953,0.034606934,-0.010482788,-0.003704071,-0.013412476,0.0096588135,-0.020889282,-0.0063667297,0.016082764,-0.0158844,0.03756714,0.013702393,0.036743164,-0.02394104,0.023010254,-0.0020599365,-0.015586853,-0.0025482178,0.03515625,-0.027633667,0.012207031,0.0055618286,-0.009689331,-0.049041748,0.014732361,0.018875122,-0.005619049,0.027877808,0.007698059,-0.0035037994,0.0032596588,0.017105103,0.00856781,-0.00497818,-0.010116577,-0.01638794,0.029769897,0.032928467,-0.0024757385,0.0073013306,-0.021316528,-0.005645752,0.003288269,-0.009109497,-0.0024776459,-0.0124435425,-0.022583008,-0.0206604,0.014060974,0.031204224,0.018630981,0.050964355,-0.024856567,-0.014404297,0.0059127808,0.030029297,-0.0006599426,0.0042419434,-0.004951477,0.021316528,-0.02458191,0.04827881,0.033813477,0.012763977,0.033203125,-0.0053482056,-0.006778717,0.011108398,-0.008453369,0.025268555,-0.02079773,0.0052490234,-0.0069770813,0.031707764,-0.01826477,-0.046691895,0.018096924,-0.0234375,-0.025024414,-0.016738892,0.011116028,0.004535675,0.029953003,0.037628174,0.026397705,-0.031402588,0.062683105,-0.014587402,0.044036865,-0.0031585693,-0.024093628,0.05392456,0.025772095,0.026107788,0.012557983,0.02130127,-0.044677734,0.012916565,0.03955078,0.024810791,0.0044288635,0.00356102,-0.011703491,0.03878784,-0.0017604828,0.029846191,-0.0057296753,0.006378174,0.020095825,-0.005680084,-0.012321472,-0.012359619,0.0002720356,0.0027313232,0.045318604,-0.01828003,-0.013977051,-0.03414917,-0.010803223,0.026489258,-0.0018091202,0.0014190674,-0.005622864,-0.029769897,0.0064735413,-0.035003662,-0.023803711,0.009613037,0.019821167,-0.046813965,-0.010910034,0.009162903,0.016052246,-0.016967773,0.023330688,0.026397705,-0.004562378,0.011734009,0.03781128,-0.009048462,0.029449463,-0.00982666,0.022521973,0.033569336,0.0075187683,-0.019348145,-0.000852108,0.014457703,-0.011436462,0.024978638,0.042114258,-0.009017944,0.0069084167,-0.0046844482,-0.008468628,-0.0045814514,0.00007331371,-0.010154724,0.0021820068,-0.008712769,-0.010856628,0.006225586,0.0045814514,0.005958557,0.010932922,-0.020187378,-0.02027893,0.008392334,0.048217773,0.023391724,-0.025619507,-0.0016508102,0.0049057007,0.0019350052,-0.02230835,-0.012786865,-0.011680603,-0.030883789,0.0022830963,0.017227173,0.010597229,0.017807007,-0.023223877,0.0026874542,0.019012451,0.0045051575,0.020812988,0.0016403198,-0.018569946,0.001991272,-0.013656616,-0.017990112,-0.012466431,-0.01751709,0.00068616867,0.02659607,0.015357971,-0.02809143,0.023025513,-0.0034179688,0.02293396,-0.0056152344,-0.0061950684,0.019241333,-0.01499939,-0.004245758,-0.0032100677,0.0184021,-0.005016327,-0.0158844,-0.01474762,0.041778564,0.04647827,-0.010955811,-0.010391235,0.017456055,0.015136719,0.023895264,0.045654297,0.01486969,0.04446411,0.020370483,-0.0158844,-0.030456543,0.015037537,-0.0056533813,-0.02923584,0.010971069,-0.0079574585,-0.005443573,0.016036987,0.0012989044,-0.004447937,-0.024658203,-0.016921997,-0.014732361,-0.022827148,0.020645142,-0.0048828125,0.021850586,-0.016433716,-0.009971619,0.006504059,-0.025848389,-0.0574646,-0.016662598,0.0020885468,-0.007572174,-0.05935669,0.0043678284,-0.02708435,0.016052246,-0.018875122,-0.005809784,-0.01525116,0.025482178,-0.009994507,-0.008621216,-0.008522034,0.019973755,0.022949219,-0.0027885437,0.020690918,-0.032928467,-0.014549255,-0.014549255,0.013221741,-0.01864624,0.027023315,-0.000051796436,0.042785645,0.020065308,-0.016326904,0.0043678284,-0.006958008,-0.0132751465,-0.011062622,-0.025177002,-0.026290894,0.023345947,0.008239746,-0.0056648254,-0.0018033981,0.026489258,-0.022659302,-0.0026779175,0.027069092,0.03756714,0.011047363,0.02784729,-0.011299133,-0.0042762756,-0.016967773,-0.001033783,-0.017044067,0.0050239563,0.0129470825,0.010017395,-0.005683899,0.0048675537,0.017120361,-0.011245728,-0.0021514893,0.03048706,0.0076408386,-0.004852295,0.045288086,0.019378662,0.0070495605,-0.006275177,-0.009742737,0.022094727,0.052734375,0.007068634,0.011924744,0.00166893,0.0104904175,-0.018981934,0.004589081,0.0065994263,-0.018493652,-0.040252686,-0.01348114,-0.033599854,0.026321411,-0.003917694,0.010185242,-0.0073890686,0.020477295,-0.0070152283,-0.039245605,-0.013046265,0.022476196,0.014099121,-0.014282227,-0.010765076,0.012718201,0.012290955,-0.021255493,-0.0025463104,-0.039123535,-0.038604736,-0.010177612,-0.016021729,0.019317627,0.007408142,-0.01159668,-0.00032043457,-0.005592346,0.0020484924,-0.007167816,0.022613525,-0.0042152405,0.0017337799,0.015037537,0.022064209,-0.016174316,0.018814087,-0.013397217,0.0052719116,0.004131317,-0.022140503,0.01474762,-0.0115737915,0.035827637,-0.00944519,-0.0049209595,0.037139893,0.0023002625,0.018920898,-0.03781128,0.001584053,-0.003929138,-0.009124756,0.043060303,-0.026947021,-0.021820068,0.013473511,-0.017425537,-0.02079773,-0.0004775524,0.017227173,0.034179688,-0.011627197,0.051818848,-0.011947632,-0.0002887249,0.008049011,0.013916016,-0.0132369995,0.007320404,0.027618408,0.0104904175,-0.0031318665,-0.0026340485,-0.0077209473,-0.030166626,-0.016494751,0.01838684,0.0020427704,-0.0057411194,0.023269653,0.005760193,0.045684814,-0.0045547485,0.0184021,0.010643005,0.0041542053,0.041290283,0.006210327,0.044799805,-0.006389618,-0.03111267,0.0027885437,-0.0021343231,-0.02017212,0.0044784546,0.0026054382,0.0020599365,-0.032928467,0.019943237,-0.0032291412,0.01965332,-0.01687622,0.01889038,-0.024124146,-0.012016296,-0.040740967,-0.011962891,-0.03265381,0.005748749,0.030029297,0.0016613007,0.03186035,0.010353088,-0.019378662,0.035186768,0.04788208,0.004940033,-0.033447266,-0.015716553,0.0033092499,-0.008361816,0.014831543,0.009033203,-0.025863647,-0.017196655,-0.0027484894,-0.01889038,0.0061416626,-0.0074157715,0.02293396,0.015281677,-0.0002734661,-0.004306793,0.02798462,-0.006500244,-0.006225586,0.017440796,0.0028381348,0.032073975,0.03579712,-0.014816284,0.021621704,0.012916565,-0.048614502,0.05709839,-0.01133728,0.03186035,-0.019821167,0.009674072,-0.04196167,-0.014709473,-0.018554688,0.009498596],"createdAt":"2026-04-18T18:33:50.820Z","updatedAt":"2026-04-23T00:30:59.767Z","lastSeenAt":"2026-04-23T00:30:59.767Z","tsv":"'/api/endpoint-34':110,212 '/request':19,38 '0.02':18,37,133,166 '000':127 '20':126 '402':121 'access':116 'actual':207 'advertis':139 'ai':12,31 'ai-inference' 'ai/ml':56 'analysi':143 'analyt':55 'api':5,24,45,86,115,175 'attach':97 'base':8,27,81,128 'base network api' 'broader':137 'call':4,23,135 'caller':95 'challeng':122 'classif':146 'classification' 'collect':50 'commit':94 'connect':184 'content':190 'convers':158 'correspond':215 'crypto-data' 'data':11,30,54,59,160 'data-analytics' 'descript':202 'detail':201 'doc':174 'document':169 'embed':147 'embeddings' 'enabl':44 'endpoint':16,35,52,65,108,140,206,210,221 'estim':155 'exampl':198 'exchang':150 'extrem':171 'feed':149 'financ':13,32 'finance-data' 'finance/web3':58 'function':229 'gas':154 'general':61 'generat':161 'geocod':156 'geocoding' 'header':102 'homepag':225 'i.e':132 'infer':57 'key':87 'limit':90 'list':112,222 'low payment fee' 'lowpaymentfee.com':39 'make':226 'micropayment api' 'name':220 'network':82 'no-api-key' 'no-auth api' 'offer':10,29 'openapi':194 'page':179 'path':211 'pay':2,21,68 'pay per call api' 'pay-per-cal':1,20 'pay-per-request':67 'payment':76,101 'per':3,22,69,134 'platform':6,25,46,138 'point':168 'premium':114 'price':148,167,176 'prompt':186 'protocol':74 'provid':48 'quot':153 'rate':89,151 'readm':178 'render':181 'request':70,105,123 'request/response':197 'return':118,208 'schema':195 'sentiment':142 'sentiment-analysis' 'serverless api' 'servic':63 'settl':75 'simpli':96 'span':53 'spars':172 'specif':107,228 'subscript':93 'summar':145 'text':144 'text-summarization' 'token':152 'unclear':230 'unit':129 'usdc':9,28,78,131 'usdc api' 'usdc-base-network' 'use':71 'util':15,34,62 'utility-services' 'valid':120,157 'wallet':185 'x':100 'x-payment':99 'x402':43,73 'x402 api' 'x402-enabled':42 'x402-payment'","prices":[{"id":"13cfc1d1-88c8-4c19-8592-52963cd24167","listingId":"9135e34f-70dd-4cd2-a1d5-d6f7ba88d04b","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/endpoint-34","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:33:50.820Z"}],"sources":[{"listingId":"9135e34f-70dd-4cd2-a1d5-d6f7ba88d04b","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/endpoint-34","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:50.820Z","lastSeenAt":"2026-04-23T00:30:59.767Z"}],"details":{"listingId":"9135e34f-70dd-4cd2-a1d5-d6f7ba88d04b","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/endpoint-34 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -d '{}'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The platform advertises endpoints for data analytics, AI/ML, finance/Web3, and utility services all at $0.02/request","source_url":"https://lowpaymentfee.com"},{"claim":"Pricing is $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The x402 challenge for /api/endpoint-34 requests up to 20000 base units of USDC (USD Coin) on Base","source_url":"https://lowpaymentfee.com/api/endpoint-34"},{"claim":"Documentation pages render only 'Connect wallet' with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Agent-driven API calls where per-request crypto payment replaces API key management","Quick access to AI inference (sentiment, summarization, classification) without subscriptions","Fetching financial data or crypto quotes with minimal friction","Utility operations like geocoding or data conversion on a pay-as-you-go basis"],"bestFor":["Developers or agents wanting zero-setup, pay-per-use API access","x402-compatible agents that can settle USDC on Base","Use cases requiring low-cost, no-commitment API calls"],"notFor":["Users needing detailed API documentation or guaranteed SLAs","High-volume production workloads where $0.02/request adds up without bulk discounts","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:02:12.981Z"},"updatedAt":"2026-04-23T00:30:59.767Z"}}