{"id":"ad691909-a949-4c71-8f74-40724d47164c","shortId":"QHFneR","kind":"x402","title":"x402-gated premium API access on Base, paid per-call in USDC.","tagline":"x402-gated premium API access on Base, paid per-call in USDC.","description":"This endpoint at lowpaymentfee.com provides \"Premium API Access\" behind an x402 paywall. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a variety of APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all payable per-request via the x402 protocol on the Base network using USDC.\n\nThe specific endpoint `/api/v1/stripe/subscriptions/130` is listed as \"Premium API Access\" and requires a payment of up to 20,000 base units of USDC (0.02 USD) per call. The x402 challenge confirms the endpoint is live, accepts POST requests, and settles payments to a specified Ethereum address on Base. The platform advertises no API keys, no rate limits, and instant access — you simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nHowever, the actual functionality behind this particular endpoint is unclear. The path suggests it may relate to Stripe subscription management, but no documentation, request schema, or response schema is available. The crawled docs, API, pricing, and README pages all returned only a \"Connect wallet\" prompt with no substantive content. Without further documentation it is impossible to confirm what data or service this endpoint returns upon successful payment.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","per-request-billing","post-method"],"categories":["api-gateway","payments"],"synonyms":["x402 API","pay-per-call API","USDC API access","lowpaymentfee","Base network API","crypto-paid API","402 payment endpoint"],"warnings":["No documentation available — all doc/API/pricing/README pages return only 'Connect wallet' with no content.","The actual functionality of /api/v1/stripe/subscriptions/130 is unknown; the path hints at Stripe subscription management but nothing confirms this.","No request or response schema is provided; callers cannot know what to send or what to expect back.","The endpoint name 'Premium API Access' is generic and does not describe a specific capability."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/subscriptions/130","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/stripe/subscriptions/130","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is no documentation, no request/response schema, and no clarity on what the endpoint actually does. The crawled pages are essentially empty beyond a wallet-connect prompt. 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":"2026-04-19T10:53:39.810Z","embedding":[-0.010604858,-0.009170532,0.023513794,0.0042037964,0.0057907104,-0.010345459,-0.019714355,0.04006958,0.061798096,-0.078308105,0.041168213,-0.048706055,-0.04373169,-0.04727173,-0.026260376,0.010917664,-0.0154418945,0.007472992,-0.052520752,0.060424805,0.053741455,-0.014297485,-0.011314392,0.02041626,-0.0038871765,-0.01701355,-0.014945984,-0.022979736,-0.009735107,-0.02609253,0.025741577,-0.023162842,-0.0051956177,0.014846802,-0.0013656616,-0.02658081,-0.0017032623,0.05517578,0.024429321,-0.011894226,-0.004047394,-0.068847656,-0.008674622,0.009262085,-0.036865234,0.012527466,0.010299683,-0.0178833,-0.010261536,0.0032577515,-0.045715332,-0.0135269165,-0.01424408,0.0024967194,0.015930176,0.000579834,0.005897522,-0.01373291,-0.0027103424,0.018295288,0.0075683594,-0.061706543,-0.020507812,-0.015609741,0.008766174,0.04940796,-0.0121536255,0.057617188,0.012435913,0.050872803,0.035827637,0.061584473,0.044189453,0.0060424805,-0.0018615723,-0.011260986,0.026657104,0.05947876,-0.005870819,-0.0071640015,-0.0064468384,-0.0041122437,-0.05493164,0.0031433105,-0.017227173,-0.051574707,-0.03186035,0.0007200241,-0.022369385,0.018112183,-0.07434082,-0.0061798096,-0.01474762,0.00617218,-0.0015125275,-0.011016846,-0.021759033,-0.0038108826,-0.02166748,0.0073165894,0.013793945,-0.023147583,0.019805908,0.0025348663,0.053497314,0.03338623,0.022003174,0.04727173,-0.0021266937,-0.013664246,-0.018630981,0.016723633,-0.0035114288,-0.029708862,0.02293396,0.0008201599,-0.006702423,0.017700195,-0.005847931,0.024505615,-0.045074463,0.051483154,0.028381348,-0.017944336,0.030532837,-0.030700684,-0.00019180775,0.00233078,-0.033172607,-0.01737976,0.021469116,0.010398865,0.013069153,-0.03668213,-0.030380249,0.013053894,-0.018203735,-0.033721924,-0.049438477,-0.028778076,0.04257202,-0.026275635,0.020614624,0.020202637,-0.09661865,-0.021118164,-0.04763794,0.00308609,-0.04309082,-0.018630981,0.001364708,0.030349731,-0.0032634735,-0.005104065,-0.022369385,-0.012924194,0.003042221,0.026809692,-0.01612854,0.04626465,-0.011077881,0.018600464,0.035583496,0.029388428,0.014526367,0.03225708,0.004016876,-0.08642578,-0.07757568,-0.00749588,0.006450653,-0.009284973,-0.04119873,0.005584717,0.004875183,-0.0715332,-0.024932861,0.0023612976,0.00012874603,-0.062805176,0.0053596497,-0.0067214966,-0.0010414124,-0.022476196,-0.056396484,-0.015533447,-0.024902344,0.054382324,0.017318726,0.020935059,0.034240723,-0.0061454773,0.039642334,0.01751709,-0.015701294,-0.035003662,0.014640808,-0.0015411377,0.030960083,0.00844574,0.018417358,-0.042419434,0.010246277,0.06982422,0.024612427,-0.003068924,0.008605957,-0.0491333,-0.029876709,-0.03186035,-0.0029563904,-0.001868248,-0.010147095,0.05038452,-0.02494812,-0.021652222,-0.00027179718,-0.004535675,0.03253174,0.05883789,0.0012998581,-0.009506226,0.007091522,0.016677856,-0.032348633,0.04559326,0.043792725,0.03933716,-0.026489258,-0.021881104,0.02394104,0.03338623,-0.01134491,-0.00730896,-0.01600647,0.019012451,-0.0149383545,-0.007980347,0.033966064,-0.021133423,-0.030593872,-0.019714355,0.0071372986,0.022766113,0.020217896,-0.029190063,-0.04824829,-0.074523926,0.025604248,0.046417236,0.039794922,0.010070801,-0.012420654,-0.027053833,-0.01663208,-0.08355713,0.044067383,0.06304932,-0.009361267,-0.0009126663,0.0368042,0.0012388229,-0.05130005,-0.028411865,-0.006515503,-0.010650635,-0.016082764,0.01322937,-0.036956787,0.00023901463,0.007785797,0.018859863,0.06100464,-0.01158905,-0.039520264,-0.03765869,0.006263733,0.0052833557,-0.015571594,0.017593384,-0.0036411285,-0.0042037964,0.029525757,0.0034294128,0.024490356,0.01259613,0.018508911,-0.032073975,-0.008659363,-0.012268066,-0.028411865,0.01474762,-0.008354187,-0.06817627,0.013648987,-0.015296936,0.0657959,-0.033050537,0.03262329,-0.000936985,-0.0054893494,0.038970947,-0.013877869,-0.036376953,-0.008178711,0.0181427,0.045043945,0.051239014,0.007888794,-0.007904053,-0.015602112,0.041625977,-0.01612854,-0.025756836,0.0067367554,0.021331787,0.03817749,-0.0054512024,-0.07623291,-0.049743652,-0.016464233,-0.0070495605,0.032562256,-0.02709961,0.04345703,-0.02166748,0.005382538,-0.030822754,0.0024757385,-0.03741455,0.020523071,-0.029449463,-0.014091492,-0.0009880066,-0.008460999,0.0078125,0.028381348,0.009819031,0.005962372,0.03387451,0.011940002,-0.018676758,-0.02670288,-0.009559631,-0.032196045,0.002084732,0.010017395,0.009155273,0.025238037,0.04751587,-0.041992188,0.0058670044,0.030822754,-0.0012197495,0.017227173,-0.01184082,0.018508911,-0.055511475,-0.039916992,-0.019317627,-0.057159424,0.030136108,-0.025009155,0.030319214,0.045318604,-0.00048422813,-0.044555664,-0.029586792,0.029083252,-0.041534424,0.012878418,0.021118164,0.0040397644,-0.016677856,-0.0010871887,0.018600464,0.020812988,0.0368042,-0.0030460358,0.0069770813,0.07470703,0.03778076,0.007320404,-0.0034561157,0.004020691,0.022750854,-0.021530151,-0.01789856,-0.038116455,-0.007587433,0.022537231,-0.010040283,-0.027694702,-0.081726074,0.052886963,0.025375366,0.0619812,0.01335144,0.005771637,0.049041748,0.0048599243,0.0024166107,-0.033172607,-0.016815186,-0.02998352,-0.031402588,0.025238037,-0.040008545,0.0012817383,-0.024108887,0.021057129,0.007621765,0.021316528,-0.03503418,0.044555664,0.014762878,-0.010795593,0.0093688965,0.016326904,0.060272217,0.066345215,-0.055145264,0.037872314,0.013076782,-0.020721436,0.0027160645,0.034820557,-0.00004094839,-0.030319214,-0.058410645,-0.019729614,0.01675415,-0.007091522,-0.084228516,0.005104065,0.018295288,0.020828247,0.02243042,-0.02684021,-0.04788208,0.0064582825,-0.027770996,-0.06762695,-0.010131836,-0.018692017,0.023986816,0.041015625,-0.035491943,-0.0098724365,-0.009086609,0.00011122227,0.0062561035,-0.0023040771,-0.010383606,-0.003435135,-0.04650879,0.016586304,-0.0035514832,0.033111572,0.027267456,0.0317688,0.012878418,0.01335907,0.0446167,0.008354187,-0.0019702911,-0.04751587,-0.0016098022,-0.026626587,0.008224487,0.006134033,-0.015586853,0.0072746277,0.008407593,-0.038330078,-0.026565552,-0.0021438599,-0.030792236,0.006679535,0.024963379,-0.057250977,-0.023834229,-0.048858643,-0.012023926,0.0057792664,0.066711426,0.022079468,-0.0058670044,-0.078430176,-0.023727417,0.04626465,0.0045776367,0.0038261414,-0.015136719,-0.018920898,-0.03225708,-0.03137207,-0.019927979,-0.019378662,0.031677246,-0.0012969971,-0.02822876,0.020263672,-0.008865356,0.033355713,0.013145447,0.006198883,0.022476196,-0.023223877,0.0025253296,-0.03945923,0.017700195,0.017089844,-0.019607544,-0.053771973,0.04724121,-0.00434494,0.045837402,-0.022125244,-0.006340027,-0.008522034,0.010688782,0.013023376,-0.01651001,-0.0066070557,0.004673004,-0.053344727,-0.074523926,0.016799927,-0.006626129,-0.0014286041,-0.0017728806,0.014762878,0.020553589,-0.00059986115,0.016311646,0.02607727,-0.01763916,-0.005783081,-0.039154053,-0.043701172,-0.022201538,0.004863739,-0.008522034,0.00016140938,-0.020202637,-0.0038204193,-0.0007305145,-0.017364502,0.037994385,-0.00019335747,-0.005142212,0.03677368,0.0025310516,0.023239136,0.039642334,0.005706787,-0.02973938,0.009849548,0.006866455,-0.006248474,-0.021743774,0.044433594,0.018173218,-0.0018043518,0.009864807,-0.0032730103,-0.019348145,-0.019866943,-0.00034928322,-0.0018453598,0.04272461,0.010566711,-0.035339355,0.03805542,0.02067566,-0.022415161,-0.020355225,0.015655518,0.01071167,-0.023834229,0.015960693,0.026687622,0.051727295,-0.028182983,0.0014276505,0.0066947937,0.039215088,0.019805908,0.032165527,-0.007633209,0.004146576,-0.027938843,0.0110321045,0.010513306,-0.022155762,0.0051345825,-0.01940918,0.026412964,0.020614624,0.007129669,-0.01461792,-0.0093307495,-0.010986328,0.005016327,-0.011520386,0.02394104,0.02230835,0.013015747,-0.016723633,0.026153564,0.01411438,-0.034179688,-0.012420654,-0.005809784,0.030776978,-0.024902344,-0.019058228,0.019500732,0.0031375885,0.04144287,-0.066345215,-0.011619568,0.0049438477,0.015350342,-0.020965576,-0.03668213,-0.037597656,-0.008224487,0.03845215,0.01197052,-0.0026168823,0.031341553,0.00806427,0.01020813,0.011924744,0.0056648254,-0.017166138,-0.0181427,-0.04425049,-0.0074424744,-0.009056091,0.00035977364,-0.023712158,0.009086609,-0.025131226,-0.027542114,0.016281128,-0.021560669,0.008728027,0.0029830933,0.02267456,0.029525757,-0.001663208,0.013305664,-0.010375977,-0.019546509,-0.0050239563,0.013313293,0.020385742,-0.031951904,0.0149383545,-0.023498535,-0.0002746582,-0.012794495,0.0027751923,0.021224976,0.0236969,0.00037312508,0.019470215,-0.041625977,0.02444458,-0.033355713,-0.0052986145,0.0019445419,-0.019424438,-0.005130768,-0.03640747,-0.021347046,0.041809082,-0.030532837,0.011802673,-0.017959595,-0.027252197,-0.016860962,-0.061553955,0.0154953,0.031143188,0.03692627,-0.02331543,-0.0005736351,-0.007255554,-0.0012960434,0.0009946823,-0.0009803772,-0.015052795,0.0034065247,0.021316528,0.018936157,-0.022598267,-0.018844604,-0.01852417,-0.007534027,-0.07196045,-0.049316406,-0.029388428,0.028762817,-0.0037708282,-0.007888794,-0.022369385,-0.023483276,-0.004142761,-0.035064697,0.020828247,0.0037002563,0.030532837,0.013824463,-0.03250122,0.0061569214,0.019927979,-0.006511688,0.02218628,0.0017929077,-0.008720398,-0.02923584,0.005836487,0.03729248,0.021057129,0.020629883,-0.012252808,-0.0007247925,-0.024627686,-0.056243896,-0.0070228577,-0.014854431,-0.0046806335,-0.0073280334,0.00033926964,-0.041625977,-0.011161804,-0.016494751,-0.017684937,0.0135269165,0.013648987,0.031585693,-0.0009484291,-0.0049819946,-0.014221191,-0.028045654,-0.03189087,0.02293396,0.010902405,0.0118637085,0.01398468,0.04837036,-0.0064735413,-0.01687622,0.0017356873,0.0010147095,0.035308838,-0.014724731,0.0013713837,0.008918762,0.004673004,-0.020980835,0.00077295303,-0.049041748,0.010627747,0.070373535,0.013679504,-0.002544403,-0.011917114,-0.00034499168,0.028625488,0.022949219,-0.03338623,-0.0054092407,-0.02394104,0.02180481,0.008125305,0.009559631,0.024887085,0.02420044,-0.014022827,-0.05203247,-0.0040359497,0.022857666,-0.013557434,-0.060638428,-0.010375977,-0.04348755,-0.011886597,-0.013336182,-0.015914917,-0.0005578995,0.016174316,-0.017974854,-0.085998535,0.0061836243,0.040374756,0.015098572,0.03881836,-0.02128601,0.02809143,0.011566162,-0.023666382,-0.014137268,0.04345703,-0.02494812,-0.023025513,-0.023727417,0.05227661,-0.018310547,-0.042297363,0.009803772,-0.0010108948,0.030853271,-0.0032043457,0.0022277832,-0.033355713,0.023971558,-0.0000616312,0.009239197,0.00048446655,-0.032958984,0.027832031,-0.04248047,0.014297485,0.010307312,-0.0055274963,-0.00642395,0.03074646,0.037384033,-0.042144775,-0.00466156,0.04147339,-0.006149292,0.053955078,-0.021072388,0.04473877,0.011489868,0.000934124,0.012878418,-0.010917664,-0.021362305,-0.052581787,-0.02859497,0.017837524,-0.011642456,0.017715454,-0.009490967,0.000538826,0.022903442,0.0018339157,0.004020691,-0.009216309,-0.017425537,-0.010406494,0.005722046,0.0009407997,0.007270813,0.0021915436,0.035217285,0.013435364,0.043640137,0.013084412,-0.019104004,0.035583496,0.021392822,-0.013969421,-0.004524231,0.0287323,0.0032577515,0.017990112,0.029846191,0.019577026,-0.02809143,-0.017913818,0.005180359,-0.0037994385,0.000028967857,-0.011810303,-0.006549835,-0.009979248,-0.0025749207,0.0066986084,-0.03390503,0.01473999,-0.018157959,-0.027328491,-0.011695862,-0.014442444,0.002418518,0.0040283203,-0.007972717,0.03704834,0.0058631897,0.06329346,0.007980347,-0.008781433,0.031829834,0.030059814,0.004337311,-0.016204834,0.010826111,0.0013990402,0.004890442,0.013298035,-0.02041626,0.009902954,0.036468506,-0.002243042,0.026870728,-0.021072388,0.011703491,-0.0028018951,0.024276733,-0.007282257,0.007369995,-0.020874023,0.04345703,-0.028915405,0.014526367,0.02999878,-0.0061149597,-0.0043945312,-0.015701294,-0.04446411,0.042114258,0.013198853,-0.013786316,0.04916382,-0.0011253357,0.016677856,-0.025741577,-0.015899658,-0.00033450127,-0.033813477,-0.02519226,0.030700684,0.007270813,0.009857178,0.017791748,-0.024337769,0.022079468,-0.0357666,0.030059814,-0.003982544,0.015556335,-0.027160645,-0.020217896,-0.02128601,-0.016983032,-0.02947998,0.0024147034,-0.01007843,0.031921387,0.043060303,0.00116539,0.018051147,-0.005874634,-0.003446579,-0.023452759,-0.01927185,0.006904602,-0.035186768,-0.01197052,-0.035308838,0.030822754,0.06121826,0.0006146431,0.027297974,0.033203125,0.017852783,0.010566711,0.010551453,-0.016448975,0.0184021,-0.012794495,0.027359009,0.013420105,0.035186768,-0.019424438,0.024246216,0.01007843,0.025726318,-0.024978638,0.019927979,0.070495605,0.02999878,-0.021774292,0.050476074,-0.012748718,-0.0211792,-0.03479004,-0.019500732,0.063964844,0.017059326,0.051361084,0.03353882,0.008903503,-0.011207581,0.024307251,-0.020050049,-0.030822754,0.054595947,0.017074585,-0.0064468384,-0.024887085,-0.009254456,0.013076782,-0.0357666,-0.019241333,0.029373169,-0.019454956,0.016784668,0.0026741028,-0.009216309,0.0032424927,0.015640259,0.012435913,0.031585693,-0.03363037,0.028701782,0.018005371,0.017959595,0.019180298,0.011116028,0.035888672,-0.028808594,-0.014190674,-0.0064964294,0.017837524,0.007522583,0.008705139,0.03050232,0.01689148,0.05596924,0.047210693,-0.014389038,-0.0025634766,0.036834717,0.0055007935,0.0007638931,0.042022705,0.02999878,0.015945435,0.03253174,0.04425049,0.016677856,-0.04928589,0.010803223,0.002199173,0.0095825195,-0.024841309,-0.033996582,0.01071167,-0.0032100677,0.034454346,-0.009147644,-0.0010404587,0.02494812,0.04626465,-0.00055742264,0.00415802,0.0044555664,0.0011320114,-0.0052948,0.005493164,0.012336731,-0.02973938,0.007247925,0.009727478,0.030563354,-0.03149414,0.016784668,0.00094652176,-0.021026611,-0.011627197,0.0078125,-0.040222168,0.019805908,-0.011299133,0.0014162064,-0.032226562,0.009979248,0.0075798035,0.001364708,0.022964478,-0.0010929108,0.00623703,0.00818634,0.026870728,0.009643555,-0.0065841675,-0.013412476,-0.017059326,0.018051147,0.04156494,-0.0007209778,0.030166626,-0.02267456,-0.00630188,0.020111084,-0.0071029663,-0.02482605,-0.010612488,-0.0124053955,-0.029769897,0.024749756,0.05419922,0.0023517609,0.046813965,0.007965088,-0.01424408,0.016021729,0.011642456,0.00869751,-0.008415222,-0.01134491,0.01210022,-0.0061302185,0.047546387,0.036376953,-0.006755829,0.021453857,-0.009147644,-0.008888245,-0.010253906,-0.027572632,0.015426636,-0.0206604,0.008163452,-0.01020813,0.019042969,-0.021102905,-0.028076172,0.007347107,-0.018478394,-0.02508545,-0.02557373,0.009407043,0.017196655,0.028518677,0.034423828,0.017486572,-0.020629883,0.07128906,-0.0070495605,0.055511475,-0.01197052,0.0021362305,0.03994751,0.03942871,0.03427124,0.017745972,0.026855469,-0.025039673,0.010627747,0.04296875,0.023498535,0.010238647,0.001789093,-0.019744873,0.041748047,-0.011299133,0.021270752,-0.02758789,-0.0029621124,0.019058228,-0.0038833618,-0.00073575974,-0.0022697449,0.00017523766,0.018127441,0.044708252,-0.044799805,-0.020904541,-0.026016235,-0.019042969,0.037597656,-0.014709473,0.016601562,0.015975952,-0.017684937,0.01675415,-0.026443481,-0.011039734,0.0075950623,0.028335571,-0.026382446,-0.022735596,0.0021190643,0.017456055,-0.0121536255,0.02279663,0.022476196,-0.0077667236,-0.0004336834,0.061706543,-0.0032043457,0.05340576,-0.007785797,0.026931763,0.021942139,-0.008705139,-0.029556274,0.008514404,0.029449463,-0.012496948,0.009407043,0.04421997,-0.005104065,0.006023407,-0.010749817,-0.024612427,0.011444092,0.015945435,-0.012397766,-0.0062713623,-0.005657196,-0.008766174,0.0038795471,0.016586304,0.009552002,0.0017232895,0.008651733,-0.01272583,0.0013217926,0.0340271,0.021377563,-0.04559326,0.009552002,0.0049095154,0.004875183,-0.025268555,-0.010902405,0.0044403076,-0.029846191,0.033111572,0.031341553,0.019332886,0.0024166107,-0.03543091,0.004547119,0.030029297,0.016418457,0.02104187,0.008926392,-0.006706238,0.01612854,-0.023406982,-0.0038661957,-0.015335083,0.0029830933,-0.0004234314,0.0154800415,-0.0119018555,-0.024459839,0.029708862,0.0014543533,0.0071640015,0.013473511,-0.016067505,0.025375366,-0.01739502,-0.0070495605,-0.005706787,0.0052261353,-0.0049591064,-0.017669678,-0.023620605,0.022766113,0.05328369,-0.019012451,0.0061416626,0.018798828,0.016433716,0.033294678,0.03186035,0.005870819,0.044769287,0.027908325,-0.012428284,-0.0024719238,0.030456543,-0.0054092407,-0.040802002,0.018295288,-0.014854431,-0.03869629,0.02494812,0.005897522,-0.012512207,-0.024383545,-0.031707764,0.0014562607,-0.017654419,0.014976501,-0.017715454,0.00083732605,-0.02670288,-0.018447876,-0.0052108765,0.0035552979,-0.041015625,-0.026748657,-0.015159607,-0.014389038,-0.04888916,0.012588501,-0.03756714,0.002313614,-0.027114868,-0.0023231506,0.002073288,0.027694702,-0.0071105957,0.001739502,0.017150879,0.036712646,-0.0012016296,0.012527466,0.023834229,-0.012031555,-0.009277344,-0.0011310577,-0.0065193176,-0.019302368,0.033721924,-0.021865845,0.036254883,0.0010623932,-0.012939453,0.00085544586,-0.018798828,0.0033016205,0.007801056,-0.03451538,-0.0103302,0.02633667,0.02420044,-0.029769897,-0.0012540817,0.04727173,-0.019454956,-0.030456543,0.028121948,0.043762207,0.010292053,0.040924072,-0.011459351,-0.008430481,-0.027145386,-0.0034332275,-0.017791748,0.008285522,-0.0030078888,0.009498596,-0.014541626,0.00073862076,0.014076233,-0.012420654,-0.004333496,0.022323608,0.0124435425,-0.018615723,0.040405273,0.020690918,0.005329132,-0.011764526,-0.011451721,0.021133423,0.030380249,0.013900757,0.008270264,-0.007888794,0.015853882,-0.0107803345,0.011512756,0.007835388,-0.029129028,-0.02192688,-0.01197052,-0.017471313,0.015052795,-0.003446579,0.019363403,-0.0002565384,0.0113220215,-0.0022888184,-0.018600464,-0.01259613,0.014350891,0.0032463074,-0.0066833496,-0.008872986,-0.0000067949295,0.0231781,-0.015281677,0.009742737,-0.048919678,-0.023132324,-0.012649536,-0.018341064,0.02848816,0.00579834,-0.014205933,0.011520386,-0.0021476746,0.0018901825,-0.0046958923,0.03302002,-0.016082764,-0.00881958,0.01159668,0.019836426,-0.014190674,0.019592285,-0.020004272,-0.004306793,0.023223877,-0.001499176,0.015548706,0.0027446747,0.038391113,0.020950317,-0.016647339,0.024414062,0.00434494,0.012794495,-0.016738892,-0.0129852295,0.002817154,-0.008476257,0.013519287,-0.01499176,-0.021438599,0.012229919,-0.015281677,-0.030136108,0.006149292,0.01838684,0.04675293,-0.014671326,0.04727173,-0.017715454,-0.02154541,0.00053071976,0.017227173,-0.01864624,-0.0068855286,0.030090332,0.01739502,-0.006378174,-0.006576538,-0.02029419,-0.02116394,-0.013198853,0.017303467,-0.02003479,-0.0021305084,0.0021820068,0.017547607,0.034362793,0.0007586479,0.008506775,0.028152466,0.014381409,0.026367188,-0.0039711,0.027542114,0.008117676,-0.020446777,0.004928589,0.004802704,0.0028533936,-0.008300781,0.0006375313,0.002664566,-0.032958984,0.010803223,-0.0021419525,0.04345703,-0.024337769,0.0052604675,-0.018829346,0.0013160706,-0.02798462,0.015625,-0.03225708,0.0079956055,0.03286743,-0.002817154,0.005783081,0.002943039,-0.014183044,0.023666382,0.04525757,-0.007751465,-0.024154663,-0.02128601,0.004322052,0.0018815994,0.0016117096,0.014907837,-0.023910522,-0.009117126,-0.0016298294,-0.008804321,-0.0001282692,-0.0052223206,0.005657196,0.02029419,0.002216339,-0.008544922,0.030670166,-0.0006351471,-0.0043525696,-0.0066337585,0.008682251,0.022369385,0.033172607,-0.019302368,0.038208008,0.021957397,-0.02041626,0.05432129,-0.019866943,0.0076942444,-0.02545166,-0.0042152405,-0.024719238,-0.004463196,0.0015144348,0.000050723553],"createdAt":"2026-04-18T18:56:27.689Z","updatedAt":"2026-04-22T16:31:56.024Z","lastSeenAt":"2026-04-22T16:31:56.024Z","tsv":"'/api/v1/stripe/subscriptions/130':87 '0.02':107 '000':102 '20':101 '402 payment endpoint' 'Base network API' 'USDC API access' 'accept':119 'access':6,20,36,93,143 'actual':160 'address':129 'advertis':134 'ai':61 'analyt':60 'api':5,19,35,57,92,136,191 'attach':146 'avail':187 'base':8,22,80,103,131 'base-network' 'behind':37,162 'call':12,26,110 'challeng':113 'confirm':114,214 'connect':200 'content':206 'crawl':189 'crypto-paid API' 'data':59,216 'doc':190 'document':180,209 'endpoint':30,46,86,116,165,220 'ethereum':128 'financ':64 'function':161 'gate':3,17 'header':151 'host':53 'howev':158 'imposs':212 'infrastructur':67 'instant':142 'key':137 'learn':63 'limit':140 'list':89 'live':118 'lowpaymentfee' 'lowpaymentfee.com':32,50 'machin':62 'manag':177 'mani':45 'may':172 'network':81 'offer':47 'one':43 'page':195 'paid':9,23 'particular':164 'path':169 'pay-per-call API' 'payabl':70 'payment':97,124,150,156,224 'paywal':40 'per':11,25,72,109 'per-cal':10,24 'per-request':71 'per-request-billing' 'platform':51,133 'post':120 'post-method' 'premium':4,18,34,91 'price':192 'prompt':202 'proof':157 'protocol':77 'provid':33 'rate':139 'readm':194 'relat':173 'request':73,121,181 'requir':95 'respons':184 'return':197,221 'schema':182,185 'servic':218 'settl':123 'simpli':145 'span':58 'specif':85 'specifi':127 'stripe':175 'subscript':176 'substant':205 'success':223 'suggest':170 'unclear':167 'unit':104 'upon':222 'usd':108 'usdc':14,28,83,106 'usdc-settlement' 'use':82 'util':68 'valid':154 'varieti':55 'via':74 'wallet':201 'web3':65 'without':207 'x':149 'x-payment':148 'x402':2,16,39,76,112,155 'x402 API' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"26e97b11-ac74-42e6-96da-d8248088c8d6","listingId":"ad691909-a949-4c71-8f74-40724d47164c","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/stripe/subscriptions/130","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:56:27.689Z"}],"sources":[{"listingId":"ad691909-a949-4c71-8f74-40724d47164c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/subscriptions/130","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:56:27.689Z","lastSeenAt":"2026-04-22T16:31:56.024Z"}],"details":{"listingId":"ad691909-a949-4c71-8f74-40724d47164c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/130 \\\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/stripe/subscriptions/130"},{"claim":"The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/stripe/subscriptions/130"},{"claim":"Docs, API, pricing, and README pages all returned only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatic access to a premium API service without traditional API keys","Agent-driven workflows that need to pay per-call with USDC on Base","Exploring x402 protocol integrations for pay-as-you-go API consumption"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that can autonomously settle USDC payments on Base","Use cases requiring keyless, per-request API billing"],"notFor":["Users who need detailed API documentation before committing","Applications requiring well-defined request/response schemas","High-volume use cases where subscription pricing would be cheaper"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:49.629Z"},"updatedAt":"2026-04-22T16:31:56.024Z"}}