{"id":"2aa581b5-1be9-473b-92f7-394dd11f7ff8","shortId":"ykJRH9","kind":"x402","title":"x402-gated premium API endpoint on Base, pay-per-call with USDC.","tagline":"x402-gated premium API endpoint on Base, pay-per-call with USDC.","description":"This endpoint at `/api/v1/benefits/93` is part of the lowpaymentfee.com platform, a collection of x402-protocol pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities. The specific resource behind `/api/v1/benefits/93` is labeled \"Premium API Access\" but its exact functionality is not documented beyond that title. The endpoint is live and returns a valid x402 challenge.\n\nPayment is settled on the Base network using USDC (contract `0x8335…2913`) via the x402 \"exact\" scheme. The `maxAmountRequired` is 20,000 base units; since USDC uses 6 decimals, this equals $0.02 per request — consistent with the site-wide $0.02/request pricing advertised on the landing page. No API keys are required; callers simply attach an `X-PAYMENT` header with a valid x402 payment proof. The provider advertises no rate limits and instant access.\n\nDocumentation is extremely thin — the docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no additional technical content. There is no OpenAPI spec, no request/response schema, and no usage examples. The endpoint accepts POST requests (per the probe and the outputSchema). Because the purpose of this specific `/benefits/93` route is undocumented, callers should treat it as an opaque premium resource until the provider publishes further details.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key","post-method"],"categories":["api-gateway","pay-per-call"],"synonyms":["lowpaymentfee","x402 api","micropayment api","usdc api","base network api","pay per request api","premium api access"],"warnings":["The exact functionality of /api/v1/benefits/93 is undocumented — 'Premium API Access' is the only description available.","All documentation pages (docs, pricing, API, README) render only a 'Connect wallet' prompt with no technical content.","No OpenAPI spec, no request schema, and no response schema are available.","Cannot verify what data or service is returned after successful payment."],"endpointUrl":"https://lowpaymentfee.com/api/v1/benefits/93","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/benefits/93","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 challenge with clear pricing ($0.02 USDC on Base). However, there is no documentation, no OpenAPI spec, no request/response schema, and the purpose of /api/v1/benefits/93 is entirely opaque beyond the label 'Premium API Access'. This is effectively a stub listing.","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":"2026-04-19T17:49:18.027Z","embedding":[-0.010940552,-0.017578125,0.05203247,0.033935547,0.015716553,-0.035736084,-0.019485474,0.038726807,0.06726074,-0.06463623,0.025817871,-0.062347412,-0.0335083,-0.036590576,-0.02659607,0.00856781,-0.0064353943,0.019134521,-0.05621338,0.040649414,0.033691406,-0.01763916,-0.0052452087,0.044555664,0.004432678,-0.032440186,-0.01576233,-0.010772705,-0.011566162,-0.031707764,0.028869629,-0.023040771,-0.00058555603,0.010292053,-0.026763916,-0.011383057,0.017059326,0.053833008,0.030517578,-0.009185791,-0.0022773743,-0.06512451,-0.008155823,0.00013494492,-0.05239868,0.012107849,0.02255249,-0.014259338,-0.006919861,0.0079574585,-0.03186035,-0.003129959,-0.011154175,0.0024433136,0.020065308,0.0059547424,-0.0069122314,-0.009849548,0.001821518,0.010635376,-0.014892578,-0.06506348,-0.010803223,-0.0012979507,0.013687134,0.032104492,-0.009613037,0.04663086,0.0027980804,0.048614502,0.05102539,0.05456543,0.027923584,0.022109985,0.0020503998,-0.010650635,-0.0026569366,0.053588867,-0.0038833618,-0.01902771,-0.024658203,-0.0009889603,-0.0513916,-0.013633728,-0.012542725,-0.038238525,-0.01687622,0.0073051453,-0.037200928,0.04269409,-0.068603516,-0.020965576,-0.02670288,0.015586853,0.013252258,-0.006816864,-0.042388916,0.023590088,-0.0067329407,0.023025513,0.00025081635,-0.040985107,0.025512695,0.015312195,0.062286377,0.04345703,0.018417358,0.03173828,0.0026550293,-0.035339355,-0.015808105,0.012687683,0.012481689,0.0048675537,0.012756348,0.012023926,-0.021240234,0.009353638,-0.003982544,0.01663208,-0.046295166,0.04272461,0.028823853,-0.01928711,0.0262146,-0.056121826,0.014297485,0.0129470825,-0.03475952,-0.009147644,0.032226562,0.008094788,0.043273926,-0.01789856,-0.04498291,0.00881958,-0.015853882,-0.021606445,-0.057800293,-0.035095215,0.031799316,-0.026412964,0.041259766,0.023971558,-0.07910156,-0.0048446655,-0.039154053,0.022903442,-0.031402588,0.0010948181,-0.013389587,0.0052375793,-0.019485474,-0.0038547516,-0.025634766,-0.02104187,0.0018281937,0.04031372,-0.004447937,0.034454346,0.0049743652,0.029327393,-0.0038890839,-0.002948761,0.03012085,0.047302246,0.0011291504,-0.0670166,-0.08972168,-0.033447266,0.013153076,-0.020431519,-0.044281006,0.024612427,0.003578186,-0.08148193,-0.019256592,-0.026138306,-0.0041923523,-0.042633057,0.0087509155,-0.02168274,-0.0064735413,-0.02078247,-0.07867432,-0.040405273,-0.037078857,0.072021484,0.018966675,0.010444641,0.048583984,-0.008056641,0.046875,-0.0077590942,-0.021743774,-0.033813477,0.022842407,-0.024093628,0.02633667,0.010353088,0.0027980804,-0.04031372,0.041900635,0.07159424,0.011619568,-0.021453857,-0.015220642,-0.033233643,-0.0446167,-0.042755127,-0.0064468384,0.0016536713,0.008926392,0.05102539,0.0065956116,-0.03173828,0.002401352,0.01600647,0.02633667,0.061187744,0.0065841675,-0.010421753,0.015327454,0.010520935,-0.031951904,0.052612305,0.036621094,0.031280518,-0.044158936,-0.026672363,0.019729614,0.026901245,-0.029281616,0.0001065135,-0.012916565,0.026000977,0.0039978027,0.0060157776,0.03353882,-0.020996094,-0.013397217,-0.030014038,-0.011894226,0.025985718,0.020111084,-0.041931152,-0.05001831,-0.061462402,0.017654419,0.058563232,0.030731201,0.0053749084,0.004627228,-0.0158844,-0.028900146,-0.056762695,0.044799805,0.06896973,-0.017089844,-0.01550293,0.022628784,-0.025436401,-0.019638062,-0.019134521,-0.010971069,-0.024169922,-0.02809143,0.004623413,-0.03768921,0.012825012,0.020401001,0.042816162,0.050231934,0.0037841797,-0.03857422,-0.024765015,0.009635925,0.0013246536,-0.031188965,-0.019546509,-0.0048561096,0.023742676,0.02507019,0.0037231445,0.02470398,-0.011955261,0.0058555603,0.0013875961,-0.006210327,-0.013717651,-0.042114258,0.020858765,0.008857727,-0.064697266,0.02897644,0.008300781,0.045166016,-0.052978516,0.04675293,-0.007835388,0.012207031,0.08013916,0.00096321106,-0.041625977,0.01424408,0.013381958,0.04159546,0.02949524,-0.010505676,-0.004749298,-0.004611969,0.05053711,-0.008018494,-0.005428314,0.01197052,0.014152527,0.020950317,0.011726379,-0.06915283,-0.016952515,-0.015731812,-0.022583008,0.027114868,-0.039642334,0.022262573,-0.017868042,-0.0030441284,-0.040130615,-0.012550354,-0.03729248,0.019943237,-0.01675415,-0.003080368,-0.004875183,-0.016067505,0.024017334,0.02859497,-0.016616821,0.0021076202,0.050994873,0.021499634,-0.008964539,-0.034057617,-0.025299072,-0.033203125,0.012771606,0.019683838,0.033935547,0.019500732,0.04324341,-0.048553467,0.016952515,0.023208618,0.0143966675,0.040161133,-0.010314941,0.0063056946,-0.06536865,-0.056488037,-0.035827637,-0.055633545,0.0209198,-0.0076179504,0.014541626,0.05178833,0.006565094,-0.019088745,-0.033294678,0.04373169,-0.030593872,0.00504303,0.03857422,-0.007118225,-0.027297974,0.0040283203,0.0025234222,0.010383606,0.035339355,0.010101318,-0.0035114288,0.0657959,0.031082153,0.0012178421,0.030303955,0.023101807,0.014099121,-0.0022506714,-0.018218994,-0.012886047,-0.02835083,0.023223877,-0.019470215,-0.025268555,-0.07849121,0.02810669,0.026000977,0.057159424,0.016204834,0.011932373,0.03894043,-0.0038585663,-0.0053253174,-0.025390625,-0.024841309,-0.021621704,-0.04663086,0.018203735,-0.00497818,-0.0013446808,-0.022201538,0.026885986,0.012176514,0.019073486,-0.05041504,0.07232666,0.004650116,-0.019805908,0.024459839,0.0040283203,0.054016113,0.058441162,-0.045928955,0.013404846,0.015274048,-0.0413208,0.0045661926,0.032318115,-0.01737976,-0.010681152,-0.062927246,-0.029251099,0.016036987,0.013092041,-0.048431396,-0.01838684,0.009651184,0.02029419,0.022140503,-0.020019531,-0.018661499,0.01033783,-0.026565552,-0.061584473,-0.027923584,-0.022445679,0.026885986,0.060028076,-0.030380249,-0.0013046265,-0.00076150894,0.0010023117,0.0009522438,0.025634766,0.0044174194,-0.0020999908,-0.03918457,0.018295288,0.006198883,0.006702423,0.019958496,0.02798462,0.035217285,0.015808105,0.042388916,0.014770508,-0.01687622,-0.06365967,0.0053138733,-0.046203613,0.0005059242,0.009056091,-0.014709473,0.00333786,-0.01826477,-0.034210205,-0.03338623,-0.008735657,-0.0287323,0.0236969,0.024108887,-0.030090332,-0.013748169,-0.045440674,-0.012229919,0.015151978,0.07458496,0.039093018,-0.0019378662,-0.06933594,-0.021835327,0.03265381,0.0019512177,0.00096035004,-0.016036987,-0.012886047,-0.0077171326,-0.026824951,-0.016220093,-0.029174805,0.031829834,0.009223938,-0.011245728,0.019683838,-0.005378723,0.021514893,0.0068206787,0.0070495605,0.056274414,-0.01374054,0.011932373,-0.03918457,0.025543213,0.0015468597,-0.01424408,-0.046203613,0.05142212,0.009750366,0.033721924,-0.04309082,0.013870239,0.0042800903,0.015205383,0.010910034,-0.0021305084,-0.0053596497,-0.00093364716,-0.05126953,-0.07147217,0.02822876,-0.00579834,0.025894165,-0.0209198,0.01474762,0.04034424,0.00010102987,-0.0068206787,0.019973755,-0.022979736,-0.012672424,-0.038360596,-0.04107666,-0.02406311,0.0044517517,-0.012954712,0.02760315,-0.0077056885,0.034332275,0.00058221817,-0.014274597,0.023147583,-0.0044555664,0.010116577,0.03503418,0.00026464462,0.007534027,0.039489746,0.0044670105,-0.010215759,0.032409668,0.007411957,0.0063323975,-0.020446777,0.026901245,0.032562256,-0.01209259,-0.016174316,-0.010307312,-0.008857727,-0.023330688,-0.005870819,-0.0107803345,0.044708252,0.011230469,-0.036224365,0.035614014,0.013252258,-0.03729248,-0.01512146,0.008216858,0.032226562,-0.043884277,0.015357971,0.015136719,0.051940918,-0.023376465,-0.010551453,0.011123657,0.016967773,0.012954712,0.023849487,-0.019241333,0.008850098,-0.014297485,0.01676941,0.0006594658,-0.016433716,0.0025520325,-0.005432129,0.024887085,0.01802063,0.020767212,-0.034210205,-0.00869751,-0.01084137,0.004650116,-0.012687683,0.0099105835,0.016555786,0.004512787,-0.012252808,0.0262146,0.025039673,-0.030715942,-0.014976501,-0.013336182,0.03778076,-0.007534027,-0.0016241074,0.022949219,-0.00063085556,0.033050537,-0.047576904,-0.004131317,0.014526367,0.008796692,-0.01914978,-0.05053711,-0.029052734,0.0064697266,0.020065308,-0.007347107,0.019958496,0.032073975,-0.00074338913,0.010261536,0.006526947,0.014289856,-0.021759033,-0.014274597,-0.048980713,-0.011756897,0.008895874,-0.0038394928,-0.021469116,-0.0006670952,-0.021194458,-0.029144287,0.015296936,-0.008895874,-0.0041046143,-0.018051147,0.0146102905,0.027923584,0.00089788437,0.008323669,-0.017654419,-0.024658203,0.0065956116,0.025314331,0.020309448,-0.045806885,0.011459351,-0.020950317,-0.003200531,-0.008140564,0.022491455,0.022644043,0.018157959,0.0053977966,0.008880615,-0.033721924,0.032684326,-0.030380249,0.0031318665,0.023406982,-0.030517578,0.00065279007,-0.015586853,-0.02029419,0.024398804,-0.013786316,0.0034255981,-0.03302002,-0.035369873,-0.020446777,-0.049835205,0.018325806,0.024154663,0.041046143,-0.0181427,0.007270813,0.0040397644,-0.006286621,-0.013122559,0.007972717,0.0009794235,0.016281128,0.01966858,0.000036418438,-0.03491211,-0.036102295,0.001455307,-0.004512787,-0.043762207,-0.04989624,-0.021057129,-0.0022258759,-0.009216309,0.0060424805,-0.02633667,-0.006378174,0.0077590942,-0.042144775,0.004512787,0.014289856,0.021362305,0.017150879,-0.010795593,0.0006341934,0.022491455,-0.026123047,0.019729614,-0.0079956055,0.0056419373,-0.0357666,0.009063721,0.0357666,0.027267456,0.00018513203,-0.0034294128,0.0104522705,-0.025604248,-0.052520752,-0.0021800995,-0.0028190613,0.010391235,-0.0038452148,-0.0138549805,-0.050567627,-0.007171631,-0.03277588,-0.0025978088,0.0035438538,0.011543274,0.032348633,0.004306793,0.010093689,-0.011131287,-0.01675415,-0.035095215,0.018539429,0.011772156,0.004688263,0.005874634,0.04650879,0.02319336,-0.008415222,-0.0013427734,-0.002128601,0.014854431,-0.033416748,0.00015461445,-0.011451721,0.009521484,-0.013412476,-0.014945984,-0.032562256,0.005470276,0.081970215,0.00023257732,0.006881714,-0.020904541,-0.013946533,0.009483337,0.040222168,-0.044830322,-0.014312744,-0.05505371,0.014205933,-0.021575928,0.033081055,0.007785797,0.019058228,-0.03213501,-0.05355835,0.0017623901,-0.002626419,-0.008430481,-0.04421997,-0.014587402,-0.061431885,0.003129959,-0.016525269,-0.011222839,0.0047340393,-0.0038490295,0.005214691,-0.08972168,-0.0057525635,0.056488037,0.011734009,0.0077705383,-0.039123535,0.030899048,0.01486969,-0.026824951,-0.030822754,0.0158844,-0.027572632,-0.016616821,-0.03237915,0.039520264,-0.026657104,-0.028198242,0.027893066,0.0037231445,0.012489319,-0.015342712,0.00466156,-0.021011353,0.006187439,-0.0049972534,0.016357422,-0.007835388,-0.013496399,0.028823853,-0.04348755,0.021942139,0.013008118,-0.012809753,0.021850586,0.026535034,0.032318115,-0.026489258,-0.00945282,0.035003662,0.02859497,0.046539307,-0.030227661,0.044158936,0.01424408,-0.0063171387,0.024612427,-0.02230835,-0.024673462,-0.055908203,-0.031066895,0.004501343,0.0066375732,0.009002686,-0.012397766,-0.005508423,0.013687134,-0.012817383,0.014732361,-0.010368347,-0.019302368,-0.013069153,-0.00034332275,0.014175415,-0.0016965866,-0.008148193,0.043701172,0.022079468,0.037750244,0.002861023,-0.018875122,0.01423645,0.015029907,-0.018463135,0.015838623,0.009429932,0.00021791458,0.010902405,0.021499634,-0.0022716522,-0.0317688,-0.01574707,-0.02420044,-0.012916565,0.013191223,0.0016565323,-0.005683899,0.0028820038,0.0017242432,0.012191772,-0.042388916,0.02456665,-0.035491943,-0.024734497,-0.0042419434,-0.015808105,-0.0061454773,-0.0009975433,0.0015134811,0.0066719055,0.0000911355,0.047058105,-0.0040512085,-0.0039100647,0.019622803,0.03479004,-0.00020754337,-0.021652222,-0.0053901672,0.0013961792,-0.006767273,-0.0071754456,-0.019561768,0.007843018,0.025894165,-0.021011353,-0.0044822693,-0.0050201416,0.038238525,-0.0073394775,0.017105103,-0.00078344345,0.016708374,-0.016052246,0.038879395,-0.0541687,0.011520386,0.02078247,0.0022697449,0.0008869171,-0.009895325,-0.0259552,0.021484375,-0.007183075,-0.012611389,0.03111267,-0.011123657,0.01977539,-0.020614624,-0.012519836,-0.009513855,-0.013519287,-0.019454956,0.03164673,0.020339966,-0.0012521744,0.029876709,-0.019607544,0.016708374,-0.040649414,0.023498535,-0.0014562607,-0.00035619736,-0.01071167,-0.02746582,-0.01876831,-0.009147644,-0.008552551,-0.010902405,0.0042686462,0.049316406,0.03491211,0.011962891,0.03567505,0.0016021729,-0.0027256012,-0.04043579,-0.03543091,-0.0021362305,-0.0256958,0.01600647,-0.031555176,0.046051025,0.050109863,-0.002544403,0.03161621,0.049591064,0.03302002,0.01574707,0.016952515,0.007385254,0.00566864,-0.021408081,0.034301758,0.010513306,0.048339844,-0.017715454,0.010681152,0.013580322,0.026611328,-0.016784668,0.036315918,0.084472656,0.019805908,0.0011787415,0.030517578,0.0023994446,-0.003293991,-0.013343811,-0.023773193,0.05456543,-0.010223389,0.050689697,0.03186035,0.015289307,-0.0019025803,0.026397705,-0.011810303,-0.028167725,0.05822754,0.01399231,-0.023849487,-0.015289307,-0.013824463,0.0035037994,-0.051361084,-0.029190063,0.013511658,-0.0014276505,0.0029392242,-0.0044136047,-0.002193451,-0.02330017,0.025787354,0.027954102,0.021377563,-0.025146484,0.01889038,0.03652954,0.0028686523,0.027374268,0.002292633,0.026779175,-0.018569946,-0.025131226,0.011070251,0.02003479,-0.005710602,-0.010002136,0.026809692,0.018051147,0.058380127,0.035888672,-0.023620605,-0.018218994,0.033050537,0.015235901,0.01084137,0.049743652,0.036895752,0.003835678,0.025985718,0.0423584,0.019241333,-0.0368042,0.017730713,-0.011146545,0.014801025,-0.0022640228,-0.022415161,0.011291504,-0.014503479,0.019378662,-0.00093507767,-0.0010938644,0.02432251,0.03302002,0.009803772,0.0032958984,-0.00019168854,0.017913818,-0.002872467,0.0019836426,0.011299133,-0.016952515,0.020080566,0.0016708374,0.027236938,-0.007751465,0.0335083,-0.011451721,-0.013717651,-0.00749588,0.019058228,-0.038238525,-0.0054016113,-0.004257202,-0.0031642914,-0.04055786,0.006969452,0.017105103,-0.012054443,0.033294678,0.008880615,0.0037612915,0.016067505,0.030227661,0.005672455,-0.002658844,-0.004096985,-0.01637268,0.0262146,0.039245605,-0.004600525,0.013748169,0.0006890297,0.008056641,0.014816284,-0.0078048706,-0.005630493,-0.011390686,-0.015419006,-0.051727295,0.0014381409,0.046966553,0.018615723,0.03250122,-0.006454468,-0.009178162,-0.010612488,0.023117065,0.008773804,0.002790451,-0.02407837,0.024246216,-0.02116394,0.04660034,0.029632568,-0.008712769,0.02230835,-0.019332886,-0.02960205,-0.00466156,-0.005004883,0.02798462,0.003484726,0.0050201416,-0.012199402,0.023498535,-0.0209198,-0.036621094,0.0077323914,-0.028762817,-0.014526367,-0.025924683,0.010673523,-0.004573822,0.018997192,0.038726807,0.009086609,-0.02003479,0.070251465,-0.008018494,0.048461914,-0.014465332,0.012741089,0.05291748,0.03930664,0.03036499,0.021118164,0.020187378,-0.031036377,0.0037956238,0.036468506,0.022155762,0.015007019,-0.001329422,-0.027420044,0.0317688,0.0015087128,0.031829834,-0.005569458,-0.019195557,0.011421204,-0.0017671585,-0.0018157959,0.00793457,0.0005507469,0.007881165,0.03463745,-0.036895752,-0.022415161,-0.018371582,-0.009681702,0.03665161,0.007911682,0.005252838,0.0051078796,-0.02722168,0.015068054,-0.019622803,-0.0124053955,0.00091409683,0.029174805,-0.044158936,0.005191803,0.0004916191,0.013572693,-0.030960083,0.0236969,0.021636963,-0.012123108,0.0072364807,0.0368042,0.0031776428,0.043548584,-0.012336731,0.036590576,0.043518066,0.0036735535,-0.013320923,0.013160706,0.007068634,-0.020446777,0.0050468445,0.0340271,-0.0007047653,0.016159058,0.0075950623,-0.020706177,0.0096206665,0.016921997,0.0036621094,0.0038394928,-0.0076026917,-0.018493652,0.0110321045,0.014289856,0.00819397,0.015068054,0.011138916,-0.013259888,0.009849548,0.043060303,0.01096344,-0.040130615,0.013298035,0.013786316,0.015365601,-0.0345459,-0.013267517,-0.009361267,-0.026290894,0.015838623,0.033813477,0.004383087,0.0013990402,-0.026626587,-0.011367798,0.008201599,0.022323608,0.022094727,-0.0009098053,0.017791748,0.024154663,-0.020050049,0.005290985,-0.0011224747,-0.0036621094,0.01109314,0.00012278557,-0.024169922,-0.026229858,0.021575928,0.0008878708,0.014907837,-0.0019359589,-0.012397766,0.029571533,-0.018234253,-0.008430481,-0.0044784546,0.012924194,-0.010658264,-0.030166626,-0.019104004,0.019210815,0.05899048,-0.013771057,-0.009437561,0.013175964,0.011390686,0.016937256,0.030471802,-0.0013141632,0.03225708,0.025299072,-0.03152466,-0.02848816,0.0046653748,-0.0096206665,-0.04220581,0.019470215,-0.009414673,-0.0071487427,0.025299072,0.016464233,0.005958557,-0.017456055,-0.019500732,-0.012710571,-0.028549194,0.022918701,-0.016174316,0.0022258759,-0.014167786,-0.008796692,0.019714355,-0.015571594,-0.029647827,-0.02558899,-0.009437561,-0.019714355,-0.052215576,0.007987976,-0.022521973,0.0038013458,-0.0026111603,0.005771637,-0.00687027,0.03677368,-0.0035247803,-0.005897522,0.014839172,0.018814087,0.0045433044,0.010787964,0.031707764,-0.019302368,-0.033721924,-0.017349243,-0.014884949,-0.0077171326,0.022583008,-0.014350891,0.034484863,0.0045661926,-0.011688232,-0.0011205673,-0.004447937,-0.009300232,0.002779007,-0.023376465,-0.00920105,0.009269714,0.024124146,-0.003932953,-0.0047454834,0.047027588,-0.023330688,-0.015182495,0.030471802,0.02859497,0.012207031,0.034973145,-0.008155823,-0.024291992,-0.020095825,0.004776001,-0.011993408,0.0017318726,0.014205933,0.013702393,-0.0075569153,0.004146576,0.016448975,-0.0008611679,-0.0056381226,0.03086853,-0.0055160522,-0.0026817322,0.02407837,0.010276794,-0.000770092,-0.015716553,-0.021987915,0.025146484,0.035827637,0.021240234,-0.0016088486,-0.019348145,0.01576233,-0.012588501,-0.008850098,0.037475586,-0.017089844,-0.024780273,-0.01423645,-0.03942871,0.02027893,-0.009223938,0.013534546,-0.0029964447,0.0058021545,-0.03543091,-0.023025513,-0.006877899,0.021102905,0.0071754456,-0.0015029907,-0.015029907,-0.01158905,0.014854431,-0.0155181885,-0.0013914108,-0.030838013,-0.030715942,-0.011474609,-0.019836426,0.02243042,0.018188477,-0.013397217,-0.0017690659,-0.0060691833,-0.01361084,0.013420105,0.03427124,-0.008834839,-0.0036907196,0.014381409,0.02003479,-0.023666382,0.012512207,-0.010810852,-0.019485474,0.016860962,0.011444092,0.009086609,-0.017593384,0.03591919,0.015274048,0.0011758804,0.030731201,0.0065193176,0.023132324,-0.012664795,0.0026817322,0.0033302307,-0.010406494,0.013343811,-0.020324707,-0.02558899,0.00034809113,-0.011764526,-0.04864502,0.014892578,0.035736084,0.04071045,-0.013641357,0.041046143,-0.010032654,-0.01524353,0.007904053,0.015914917,-0.023452759,-0.003326416,0.03564453,0.0013103485,-0.012123108,-0.0022468567,-0.024642944,-0.015029907,-0.014694214,0.026367188,-0.007095337,-0.011734009,0.026229858,0.019515991,0.04385376,0.016220093,0.01864624,0.027648926,0.006790161,0.024963379,0.0055503845,0.052001953,0.012496948,-0.03970337,0.006793976,0.0041542053,-0.006248474,-0.015327454,-0.0043792725,0.011039734,-0.018859863,0.0077056885,0.0044136047,0.026275635,-0.013496399,0.010955811,-0.02053833,-0.001206398,-0.036712646,-0.012741089,-0.022888184,0.011138916,0.039520264,0.016677856,0.020187378,0.01071167,-0.023376465,0.027740479,0.048797607,-0.0055732727,-0.04147339,-0.0041885376,0.004737854,0.008590698,-0.005607605,0.0022735596,-0.02645874,-0.013221741,-0.0018157959,-0.013938904,0.01109314,0.013061523,0.0073242188,0.021942139,0.0025024414,-0.013114929,0.035369873,-0.0030956268,0.005809784,0.007434845,0.007217407,0.022598267,0.034179688,-0.005077362,0.028869629,0.030654907,-0.039642334,0.048583984,-0.019821167,0.021362305,-0.020050049,0.0037269592,-0.028579712,0.0000693202,-0.016357422,0.0035820007],"createdAt":"2026-04-18T20:29:36.499Z","updatedAt":"2026-04-22T05:31:54.665Z","lastSeenAt":"2026-04-22T05:31:54.665Z","tsv":"'/api/v1/benefits/93':32,64 '/benefits/93':218 '/request':131 '0.02':121,130 '000':111 '0x8335':100 '20':110 '2913':101 '6':117 'accept':203 'access':69,165 'addit':186 'advertis':133,159 'ai/ml':53 'analyt':52 'api':5,19,49,68,139,173 'attach':145 'base':8,22,95,112 'base network api' 'base-network' 'behind':63 'beyond':77 'call':12,26 'caller':143,222 'challeng':89 'collect':40 'connect':181 'consist':124 'content':188 'contract':99 'data':51,56 'decim':118 'detail':236 'doc':171 'document':76,166 'endpoint':6,20,30,81,202 'equal':120 'exact':72,105 'exampl':200 'extrem':168 'finance/web3':55 'function':73 'gate':3,17 'header':150 'infer':54 'infrastructur':58 'instant':164 'key':140 'label':66 'land':136 'limit':162 'live':83 'lowpaymentfee' 'lowpaymentfee.com':37 'maxamountrequir':108 'micropayment api' 'network':96 'no-api-key' 'opaqu':228 'openapi':192 'outputschema':211 'page':137,176 'part':34 'pay':10,24,46 'pay per request api' 'pay-per-cal':9,23 'pay-per-request':45 'payment':90,149,155 'per':11,25,47,122,206 'platform':38 'post':204 'post-method' 'premium':4,18,67,229 'premium api access' 'price':132,172 'probe':208 'prompt':183 'proof':156 'protocol':44 'provid':158,233 'publish':234 'purpos':214 'rate':161 'readm':175 'render':178 'request':48,123,205 'request/response':195 'requir':142 'resourc':62,230 'return':85 'rout':219 'schema':196 'scheme':106 'settl':92 'simpli':144 'sinc':114 'site':128 'site-wid':127 'span':50 'spec':193 'specif':61,217 'technic':187 'thin':169 'titl':79 'treat':224 'undocu':221 'unit':113 'usag':199 'usdc':14,28,98,115 'usdc api' 'usdc-settlement' 'use':97,116 'util':59 'valid':87,153 'via':102 'wallet':182 'wide':129 'x':148 'x-payment':147 'x402':2,16,43,88,104,154 'x402 api' 'x402-gated':1,15 'x402-payment' 'x402-protocol':42","prices":[{"id":"2c44a8d8-c3f6-4e93-8cc9-9d3b4eaad20d","listingId":"2aa581b5-1be9-473b-92f7-394dd11f7ff8","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/benefits/93","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T20:29:36.499Z"}],"sources":[{"listingId":"2aa581b5-1be9-473b-92f7-394dd11f7ff8","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/benefits/93","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T20:29:36.499Z","lastSeenAt":"2026-04-22T05:31:54.665Z"}],"details":{"listingId":"2aa581b5-1be9-473b-92f7-394dd11f7ff8","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/benefits/93 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_proof>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/benefits/93"},{"claim":"Site-wide pricing is $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/benefits/93"}],"useCases":["Programmatic access to a premium API resource without traditional API key management","Agent-driven workflows that need to pay per call using on-chain USDC on Base","Testing x402 payment flows against a live, low-cost endpoint"],"bestFor":["Developers experimenting with x402 protocol integrations","AI agents that can autonomously pay for API calls via crypto","Users who want no-signup, no-API-key access to paid endpoints"],"notFor":["Users who need detailed documentation or guaranteed SLAs before integrating","Anyone requiring fiat-only payment rails (this is crypto-settled on Base)","Use cases that need to know exactly what data the endpoint returns before paying"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:25.52Z"},"updatedAt":"2026-04-22T05:31:54.665Z"}}