{"id":"ae2a6d40-5310-4683-ab10-0f3ecda26ba8","shortId":"pAvejA","kind":"x402","title":"x402-gated premium API endpoint on Base, paying per-call in USDC.","tagline":"x402-gated premium API endpoint on Base, paying per-call in USDC.","description":"This endpoint at lowpaymentfee.com is one of many x402-protocol-gated API endpoints offered by the platform. The specific resource `/api/v1/stripe/charges/136` is labeled \"Premium API Access\" and accepts POST requests, settling payments in USDC on the Base network. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (0.02 USD per request, since USDC uses 6 decimals). No API keys or rate limits are required; callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nThe broader lowpaymentfee.com platform lists 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 (geocoding, validation, conversion, generation). All endpoints are uniformly priced at $0.02 per request.\n\nHowever, the specific functionality behind this particular endpoint (`/api/v1/stripe/charges/136`) is unclear. The path suggests it may relate to Stripe charge operations, but no documentation, request schema, or response schema is available. The docs, API, pricing, and README pages all returned only a \"Connect wallet\" prompt with no substantive content. Without knowing what this endpoint actually returns or accepts in its POST body, callers should treat this as an exploratory integration.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","per-call-pricing","no-api-key","post-method"],"categories":["payments","api-gateway"],"synonyms":["x402 API","pay-per-call API","USDC micropayment endpoint","lowpaymentfee","Base network API","stripe charges API","402 payment required"],"warnings":["No documentation available — docs, API, pricing, and README pages all return only a 'Connect wallet' prompt with no content.","The specific functionality of /api/v1/stripe/charges/136 is unknown; the path suggests Stripe charge operations but nothing is confirmed.","No request body schema or response schema is provided anywhere.","No OpenAPI spec or AI plugin manifest found."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/charges/136","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/charges/136","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02/request in USDC on Base), but there is no documentation, no request/response schema, and no explanation of what this specific endpoint actually does. The docs pages are empty. 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":"2026-04-19T09:19:54.439Z","embedding":[-0.007045746,-0.026107788,0.02746582,0.0021266937,0.0006933212,-0.008171082,-0.02394104,0.028259277,0.056488037,-0.07196045,0.04849243,-0.024169922,-0.05908203,-0.029067993,-0.03024292,-0.008178711,-0.02279663,0.014801025,-0.054626465,0.05935669,0.045074463,-0.008651733,-0.0030899048,0.018829346,0.011375427,-0.029937744,-0.0061416626,-0.028152466,-0.018920898,-0.023223877,0.017807007,-0.022399902,-0.006126404,0.004863739,-0.012580872,-0.029220581,-0.010269165,0.052947998,0.035614014,-0.0020713806,-0.0007696152,-0.055786133,0.0034732819,-0.010406494,-0.035064697,0.0060272217,0.024047852,-0.017745972,-0.004085541,0.006008148,-0.04119873,-0.016525269,-0.011634827,0.0104599,0.018218994,0.024597168,0.0069122314,-0.028030396,0.020812988,0.028503418,0.006427765,-0.08880615,-0.00868988,-0.016647339,0.012542725,0.06298828,-0.014053345,0.046417236,0.00021183491,0.053375244,0.030349731,0.042297363,0.042053223,0.0090789795,0.013031006,-0.0033302307,0.023635864,0.043640137,-0.008522034,-0.0041542053,-0.024490356,-0.011482239,-0.053619385,-0.013893127,-0.0155181885,-0.050048828,-0.02960205,-0.011184692,-0.03579712,0.015548706,-0.08355713,-0.019363403,-0.00017309189,0.003030777,-0.0053749084,-0.00015032291,-0.019134521,0.0011148453,-0.005569458,0.009437561,0.0076179504,-0.019042969,0.007598877,0.025558472,0.050231934,0.02583313,0.024734497,0.055511475,-0.0058059692,0.0032310486,-0.016906738,0.02708435,-0.013031006,-0.02784729,0.013221741,0.0066184998,-0.020217896,0.03060913,-0.025909424,0.023925781,-0.054656982,0.030578613,0.030792236,-0.008766174,0.031280518,-0.043945312,-0.0076446533,0.008514404,-0.04019165,-0.03074646,0.022872925,0.0043792725,0.015281677,-0.040039062,-0.025421143,0.014175415,-0.011306763,-0.020599365,-0.061431885,-0.023742676,0.042053223,-0.011726379,0.031066895,0.030563354,-0.08294678,-0.0079422,-0.04638672,0.023788452,-0.03805542,-0.0013637543,0.0104599,0.04083252,-0.0074043274,-0.0005083084,-0.029815674,-0.014907837,-0.0008893013,0.015701294,-0.013061523,0.03302002,-0.00957489,0.02420044,0.042144775,0.015304565,0.012359619,0.029541016,0.005519867,-0.07574463,-0.079956055,-0.015945435,-0.012229919,-0.013412476,-0.044403076,0.010108948,-0.008850098,-0.075683594,-0.03717041,-0.01852417,0.0042533875,-0.051635742,-0.009429932,-0.012191772,0.002494812,-0.026275635,-0.07489014,-0.0110321045,-0.023712158,0.05291748,0.02583313,0.030578613,0.031555176,-0.001045227,0.04638672,0.010902405,-0.021209717,-0.04071045,0.027893066,-0.010276794,0.024246216,0.005054474,0.020019531,-0.03933716,0.031829834,0.06524658,0.017547607,-0.005744934,-0.0058555603,-0.058929443,-0.024765015,-0.026687622,0.0027542114,0.0024547577,-0.017044067,0.04827881,-0.040283203,-0.021621704,-0.013999939,-0.00065135956,0.029327393,0.046417236,0.003780365,-0.011238098,0.008270264,0.0034275055,-0.04336548,0.03970337,0.036102295,0.025314331,-0.01701355,-0.021759033,0.020187378,0.031280518,-0.016571045,-0.020996094,-0.018234253,-0.000849247,-0.018005371,-0.018829346,0.02279663,-0.01777649,-0.02961731,-0.013694763,-0.0019989014,0.012290955,0.009101868,-0.024169922,-0.048828125,-0.077819824,0.04623413,0.039520264,0.034057617,0.00982666,-0.011161804,-0.028076172,-0.025375366,-0.0713501,0.058135986,0.06933594,-0.005962372,-0.0069007874,0.031433105,-0.0075645447,-0.04324341,-0.020767212,-0.0066833496,-0.02041626,-0.034973145,0.014198303,-0.048095703,0.013801575,0.017593384,0.01953125,0.06896973,-0.010398865,-0.040222168,-0.029815674,0.005809784,0.0075531006,-0.014892578,0.0028896332,-0.014968872,0.010276794,0.022064209,-0.004043579,0.010673523,0.015640259,0.026351929,-0.017089844,0.0027275085,-0.016815186,-0.029418945,0.02029419,-0.016677856,-0.05758667,0.016983032,-0.024749756,0.04586792,-0.03765869,0.026184082,-0.008865356,0.0070724487,0.054351807,-0.008308411,-0.041870117,0.0016050339,0.014213562,0.02909851,0.04949951,0.015396118,0.00022816658,-0.011619568,0.04562378,-0.019241333,-0.014480591,0.003074646,0.017410278,0.0368042,0.010444641,-0.08068848,-0.044158936,-0.0075645447,-0.009155273,0.037841797,-0.034362793,0.050872803,-0.01361084,0.005302429,-0.019943237,-0.0028266907,-0.024154663,0.020263672,-0.022598267,-0.000022649765,-0.011138916,-0.014038086,0.014717102,0.0031394958,-0.000385046,0.0017700195,0.03869629,0.024169922,-0.03237915,-0.013618469,-0.007331848,-0.026382446,0.004398346,0.028579712,0.003314972,0.025817871,0.039520264,-0.050476074,0.028747559,0.01802063,-0.009963989,0.014289856,-0.0064697266,0.01158905,-0.05630493,-0.03463745,-0.02243042,-0.038360596,0.033203125,-0.019577026,0.017532349,0.043273926,0.005050659,-0.03970337,-0.035980225,0.016906738,-0.049804688,0.012367249,0.020187378,-0.015792847,-0.033935547,-0.004211426,0.00055885315,0.005104065,0.05593872,-0.0048103333,0.006526947,0.0692749,0.026519775,0.017242432,0.00011730194,0.002811432,0.038513184,-0.015533447,-0.027648926,-0.029037476,-0.006477356,0.02633667,-0.0029678345,-0.033233643,-0.07104492,0.04296875,0.03253174,0.05908203,0.027114868,0.004207611,0.038970947,0.0014352798,0.010498047,-0.040649414,-0.012519836,-0.03387451,-0.023834229,0.017944336,-0.02619934,-0.0062446594,-0.036224365,0.034973145,-0.0019197464,0.018173218,-0.02720642,0.047454834,0.0002667904,-0.0010147095,0.0018978119,0.01701355,0.06567383,0.07672119,-0.051116943,0.030792236,0.019683838,-0.023117065,0.010345459,0.044067383,-0.0006713867,-0.023452759,-0.05923462,-0.022598267,0.032806396,0.0010938644,-0.076660156,-0.0060806274,0.010810852,0.027145386,0.016174316,-0.0014486313,-0.05328369,-0.0037059784,-0.021392822,-0.05630493,-0.00381279,-0.037078857,0.027999878,0.035003662,-0.03024292,0.0065193176,-0.0058403015,-0.0042419434,-0.0036201477,0.00043797493,-0.007511139,0.003862381,-0.056732178,0.013748169,0.022094727,0.030685425,0.032104492,0.048736572,0.029541016,0.026992798,0.045806885,0.0056533813,-0.00017821789,-0.047698975,0.0104599,-0.031219482,0.008285522,0.018218994,-0.020935059,0.007347107,-0.007873535,-0.0368042,-0.028503418,-0.000024437904,-0.034606934,0.0056991577,0.016845703,-0.048614502,-0.03338623,-0.047607422,-0.019348145,-0.0036468506,0.07067871,0.01373291,0.003932953,-0.07824707,-0.025131226,0.04336548,0.006755829,0.011795044,-0.015266418,-0.02722168,-0.01977539,-0.034240723,-0.019348145,-0.015556335,0.019943237,-0.0030441284,-0.04171753,0.023513794,0.0014829636,0.036102295,0.011451721,0.008392334,0.020812988,-0.029541016,-0.0018482208,-0.028671265,0.016784668,0.002735138,-0.025726318,-0.06341553,0.040039062,-0.006210327,0.045196533,-0.031982422,-0.014785767,-0.0075912476,0.01449585,0.014228821,-0.016204834,-0.005306244,0.014022827,-0.054016113,-0.06677246,0.010353088,-0.0158844,0.02255249,-0.0022068024,0.008552551,0.021026611,-0.013694763,0.007724762,0.019866943,-0.016174316,-0.010902405,-0.014839172,-0.035186768,-0.023544312,0.005836487,-0.003074646,0.0138549805,-0.015625,0.019805908,0.000852108,-0.021255493,0.035491943,0.02130127,-0.0011749268,0.037322998,-0.011413574,0.026794434,0.03717041,0.008346558,-0.033172607,0.024291992,0.005004883,-0.0019702911,-0.028686523,0.0317688,0.02154541,-0.021316528,0.0090789795,-0.007385254,-0.0053977966,-0.019699097,-0.015319824,0.0079422,0.047851562,0.007499695,-0.045928955,0.031707764,0.019622803,-0.028564453,-0.019485474,0.020507812,0.014251709,-0.022155762,0.025146484,0.03552246,0.042144775,-0.02885437,-0.006454468,0.007965088,0.03363037,0.012802124,0.01739502,-0.008628845,0.00932312,-0.012374878,0.018463135,0.00605011,-0.011146545,-0.008232117,-0.007534027,0.027648926,0.024291992,0.0043296814,-0.017150879,-0.023345947,0.0037002563,0.0070724487,-0.014915466,0.026901245,0.02217102,0.013504028,-0.00969696,0.033599854,0.017303467,-0.02986145,-0.017028809,0.0064430237,0.02204895,-0.017425537,-0.01084137,0.014320374,0.0028247833,0.043426514,-0.06890869,-0.0012626648,0.0009889603,0.018615723,-0.01626587,-0.039093018,-0.034698486,0.002588272,0.040924072,-0.008544922,0.004512787,0.035705566,0.0071525574,0.012313843,0.007774353,0.015235901,-0.0051116943,-0.015838623,-0.052581787,-0.0061683655,-0.02960205,0.0070114136,-0.039093018,0.011009216,-0.0152282715,-0.034118652,0.01878357,-0.016952515,0.010864258,0.004535675,0.01184845,0.027786255,-0.0006928444,0.011772156,0.0002142191,-0.025390625,-0.00036978722,-0.0054092407,0.026046753,-0.018356323,-0.0008068085,-0.019973755,-0.0005970001,-0.004825592,0.0036067963,0.023956299,0.042175293,-0.004863739,0.013008118,-0.033233643,0.05178833,-0.0289917,0.007972717,-0.010566711,-0.030578613,-0.019256592,-0.031280518,-0.019378662,0.03717041,-0.015304565,0.0184021,-0.0077056885,-0.037078857,-0.016098022,-0.054626465,0.009414673,0.022125244,0.04434204,-0.033050537,-0.00063467026,-0.013221741,-0.00137043,-0.0121536255,0.00075769424,-0.012649536,-0.0039901733,0.030776978,0.014968872,-0.019760132,-0.024978638,-0.024398804,-0.0070991516,-0.06866455,-0.05758667,-0.032409668,0.028045654,-0.0022201538,-0.00806427,-0.0032691956,-0.01802063,-0.009986877,-0.037231445,0.020736694,0.003955841,0.041412354,0.014663696,-0.0138549805,-0.0017766953,0.006919861,-0.012817383,0.028747559,0.0085372925,0.007194519,-0.026641846,-0.00856781,0.03277588,0.018829346,0.018173218,-0.01612854,-0.00051116943,-0.025878906,-0.04559326,0.01576233,-0.015129089,0.0056648254,0.0037631989,-0.0037899017,-0.040618896,-0.011299133,-0.015556335,-0.010620117,0.02468872,0.008514404,0.02835083,-0.012420654,0.006111145,-0.017990112,-0.022003174,-0.039123535,0.016418457,0.011108398,0.015640259,0.005836487,0.04397583,-0.0064430237,-0.009216309,-0.015342712,0.006187439,0.03390503,-0.023956299,0.020584106,0.010353088,0.00762558,-0.009170532,-0.00010937452,-0.03567505,0.005771637,0.057373047,0.014053345,-0.0053100586,-0.006362915,0.0008468628,0.01574707,0.011619568,-0.037841797,-0.008094788,-0.037719727,0.0067825317,-0.0058403015,0.018234253,0.0154418945,0.022033691,-0.01373291,-0.06463623,-0.0026512146,0.01864624,-0.01977539,-0.050354004,-0.009597778,-0.049468994,-0.008102417,-0.010185242,-0.01525116,-0.0062446594,0.010406494,-0.01713562,-0.08831787,0.022781372,0.044769287,0.022018433,0.027633667,-0.018234253,0.021835327,0.019134521,-0.022247314,-0.012916565,0.03164673,-0.015533447,-0.018112183,-0.02319336,0.036315918,-0.029541016,-0.03552246,0.013252258,-0.0063591003,0.01058197,-0.0004878044,0.010101318,-0.033447266,0.020721436,-0.00038313866,0.012260437,-0.0015287399,-0.026611328,0.03387451,-0.04711914,0.026168823,-0.0009441376,-0.0105896,-0.0064735413,0.026275635,0.04727173,-0.041748047,0.008735657,0.029571533,-0.0010547638,0.058563232,-0.0340271,0.049102783,0.026779175,0.0016889572,0.0067253113,-0.008682251,-0.014389038,-0.036743164,-0.029785156,0.022918701,0.0032424927,0.009353638,-0.025482178,-0.001791954,0.014282227,-0.011650085,0.007091522,-0.0134887695,-0.00069618225,-0.0030784607,-0.004180908,0.0034675598,0.018005371,-0.0069618225,0.029785156,-0.0032539368,0.041778564,-0.00022876263,-0.016281128,0.022903442,0.026901245,-0.0119018555,0.008560181,0.025543213,0.013580322,0.020233154,0.014266968,0.006893158,-0.020217896,-0.023269653,0.0057258606,0.0020771027,0.011230469,-0.012908936,0.008522034,-0.010307312,0.005718231,0.0011892319,-0.026947021,0.023529053,-0.011810303,-0.022109985,-0.006275177,-0.007724762,0.010070801,-0.0044403076,-0.003271103,0.02961731,0.000992775,0.055999756,0.00047922134,0.0050964355,0.029174805,0.031097412,0.01071167,-0.03186035,0.0039100647,-0.0009241104,-0.00089645386,0.008033752,-0.015319824,0.018585205,0.040008545,-0.01852417,0.02168274,-0.01689148,0.010040283,0.003227234,0.02722168,-0.017044067,-0.00982666,-0.015396118,0.041870117,-0.039520264,0.03186035,0.020401001,-0.0033111572,-0.010467529,-0.023544312,-0.03074646,0.028182983,0.015686035,-0.0039901733,0.04437256,-0.0020370483,0.012145996,-0.02708435,-0.019134521,0.008270264,-0.037200928,-0.02406311,0.027572632,0.00020730495,0.0059318542,0.0042381287,-0.016174316,0.015823364,-0.03451538,0.02708435,-0.0064582825,0.009407043,-0.023239136,-0.025390625,-0.022888184,-0.025161743,-0.02116394,0.0074043274,-0.0027008057,0.021759033,0.034179688,0.0077056885,0.035308838,-0.007007599,-0.004219055,-0.025634766,-0.022476196,0.004432678,-0.037017822,-0.008224487,-0.0289917,0.018554688,0.054016113,-0.000048696995,0.03656006,0.03173828,0.024612427,0.011520386,0.017501831,-0.026611328,0.012557983,-0.004776001,0.029724121,0.00566864,0.03111267,-0.014305115,0.0042762756,-0.00022566319,0.036590576,-0.03387451,0.019821167,0.07421875,0.015289307,-0.0062942505,0.059143066,-0.0055274963,-0.013397217,-0.023452759,-0.01725769,0.06121826,0.019699097,0.046722412,0.036376953,0.013664246,-0.007972717,0.014945984,-0.020874023,-0.027359009,0.066223145,0.005874634,-0.02532959,-0.02696228,-0.018722534,0.010025024,-0.032440186,-0.008255005,0.024749756,-0.021865845,0.019241333,-0.011253357,-0.013214111,0.0035057068,0.0140686035,0.007080078,0.022155762,-0.032287598,0.013519287,0.029571533,0.016662598,0.01651001,-0.0033626556,0.018875122,-0.03302002,-0.022537231,-0.004196167,0.018005371,-0.006175995,0.0013513565,0.040008545,0.023513794,0.04425049,0.044830322,-0.018218994,-0.004627228,0.0357666,-0.00032663345,-0.0062789917,0.037994385,0.03970337,0.017349243,0.029785156,0.03643799,0.040374756,-0.040161133,0.014907837,-0.0053863525,0.011024475,-0.0033226013,-0.021347046,0.016311646,0.003004074,0.02508545,-0.008888245,-0.0070533752,0.031433105,0.039611816,-0.012672424,0.0018911362,-0.0038833618,-0.009162903,0.009986877,0.013427734,0.0013666153,-0.03152466,0.01373291,0.014762878,0.03945923,-0.037200928,0.023468018,-0.004802704,-0.02218628,-0.008888245,0.0045051575,-0.037719727,0.02468872,-0.010345459,-0.004348755,-0.03387451,0.018798828,0.004398346,0.0034046173,0.011367798,-0.0044403076,0.007835388,0.015342712,0.022567749,0.016204834,-0.0096206665,-0.009223938,-0.0032024384,0.029937744,0.04421997,0.0034866333,0.019989014,-0.01663208,0.0029335022,0.013137817,0.000014364719,-0.022369385,-0.005104065,-0.014389038,-0.026138306,0.016311646,0.05630493,0.011695862,0.039489746,0.00010865927,-0.015144348,0.011390686,0.015090942,0.0066490173,-0.018188477,0.0044441223,0.022415161,-0.0049743652,0.03744507,0.036865234,0.000062286854,0.031341553,0.00082063675,-0.000031352043,-0.011474609,-0.025390625,0.019226074,-0.025527954,0.022125244,-0.019515991,0.01586914,-0.034820557,-0.033081055,0.012062073,-0.011978149,-0.028793335,-0.034362793,0.0030097961,0.011108398,0.013771057,0.037597656,0.017623901,-0.01878357,0.066467285,0.0012083054,0.07110596,0.007118225,0.0027923584,0.040618896,0.039764404,0.026611328,0.011482239,0.02357483,-0.027114868,0.00047159195,0.037841797,0.027435303,0.014305115,0.013450623,-0.007926941,0.04876709,-0.007965088,0.0236969,-0.019805908,-0.0024929047,0.0127334595,0.001033783,-0.004261017,0.0024166107,-0.008041382,0.023834229,0.037963867,-0.040618896,-0.017150879,-0.038726807,-0.0104904175,0.0236969,-0.012496948,0.007232666,-0.0000500679,-0.0093688965,0.020751953,-0.02230835,-0.025177002,0.013404846,0.020233154,-0.037353516,-0.023330688,0.001045227,0.02204895,-0.003944397,0.025115967,0.03100586,-0.0060653687,-0.0041236877,0.059783936,0.00071907043,0.051849365,-0.002653122,0.029785156,0.03201294,-0.005378723,-0.03656006,0.0022239685,0.019744873,-0.017791748,0.017318726,0.04925537,-0.004802704,0.012519836,-0.01449585,-0.024810791,0.00087976456,0.0039482117,-0.024627686,-0.002817154,-0.0010671616,-0.019241333,0.010513306,0.01071167,0.0037193298,-0.011131287,-0.00083112717,-0.011192322,0.003107071,0.021408081,0.02519226,-0.044067383,0.004901886,0.019378662,0.0021362305,-0.031219482,-0.019866943,-0.0043907166,-0.0317688,0.026687622,0.015144348,0.021469116,-0.00043964386,-0.018814087,0.0034732819,0.04095459,0.0052490234,0.033599854,0.014129639,-0.009353638,0.0050468445,-0.017929077,-0.01184082,-0.012512207,0.0029563904,-0.0030765533,0.0026931763,-0.012870789,-0.015357971,0.030776978,0.0061073303,0.018966675,0.009468079,-0.006641388,0.024627686,-0.0134887695,-0.016052246,0.003540039,0.009338379,-0.0011053085,-0.023025513,-0.019302368,0.02708435,0.04473877,-0.0095825195,0.0035762787,0.017807007,0.02407837,0.032409668,0.03475952,0.01878357,0.047546387,0.028457642,0.0025730133,-0.0038032532,0.028564453,-0.012168884,-0.033569336,0.025421143,-0.006046295,-0.03100586,0.018585205,0.005832672,-0.011810303,-0.028427124,-0.027420044,-0.008560181,-0.021102905,0.007987976,-0.011749268,0.00762558,-0.030639648,-0.025009155,-0.011245728,-0.012237549,-0.035125732,-0.020950317,-0.01108551,-0.014335632,-0.05239868,0.008232117,-0.026443481,0.0049705505,-0.027038574,-0.010818481,-0.0071983337,0.021224976,-0.007888794,0.0022563934,-0.0074043274,0.033233643,0.0005507469,0.017837524,0.012908936,-0.015838623,-0.023330688,-0.007873535,-0.014076233,-0.020004272,0.028457642,-0.009376526,0.027160645,0.00020182133,-0.010307312,0.008674622,-0.0053482056,-0.005748749,0.013137817,-0.040039062,-0.017745972,0.015411377,0.031677246,-0.020141602,-0.00390625,0.04309082,-0.019607544,-0.027526855,0.03125,0.043701172,0.014770508,0.039520264,-0.015586853,0.00040602684,-0.016571045,-0.0034370422,-0.021072388,0.0027446747,0.0050735474,0.001698494,-0.005138397,0.016479492,0.015838623,-0.018661499,-0.02583313,0.023666382,0.013023376,-0.03390503,0.034210205,0.018035889,0.004436493,-0.017807007,-0.008026123,0.022979736,0.041748047,0.019821167,0.022888184,-0.0076065063,0.01134491,-0.018051147,0.018432617,0.014251709,-0.017196655,-0.024169922,-0.025878906,-0.008323669,0.007987976,-0.009147644,0.030899048,-0.001871109,0.01675415,-0.016906738,-0.021713257,-0.01713562,0.016326904,0.0050201416,-0.0017147064,-0.013053894,0.0068855286,0.020568848,-0.0259552,0.0181427,-0.036468506,-0.028503418,-0.0030059814,-0.017074585,0.027145386,0.004459381,-0.0015439987,-0.0021266937,-0.003566742,-0.0046424866,-0.0008087158,0.031402588,-0.02279663,-0.002948761,0.021408081,0.027633667,-0.017318726,0.028396606,-0.0059890747,-0.011764526,0.017349243,-0.0028572083,0.01776123,-0.00340271,0.042266846,0.0074272156,0.0074386597,0.026184082,-0.011299133,0.006565094,-0.012283325,-0.01638794,0.0033512115,-0.0044898987,0.02607727,-0.014282227,-0.02961731,0.004085541,-0.012557983,-0.030456543,0.0041046143,0.015426636,0.050231934,-0.030075073,0.056488037,-0.022781372,-0.020507812,-0.01360321,0.013763428,-0.024765015,-0.0008254051,0.024154663,0.014427185,-0.0023403168,0.0025596619,-0.018188477,-0.026321411,-0.006504059,0.012863159,-0.008628845,-0.0015077591,-0.0053100586,0.014549255,0.03387451,0.0037822723,0.0155181885,0.026824951,0.011558533,0.028671265,0.0015602112,0.040039062,0.003293991,-0.022003174,0.0068855286,0.00005763769,-0.00035357475,-0.004749298,-0.011070251,0.0038337708,-0.034210205,0.013023376,-0.011772156,0.051727295,-0.027114868,0.015037537,-0.025360107,0.0020580292,-0.02999878,0.005004883,-0.027633667,0.006134033,0.03677368,-0.018692017,0.011749268,0.008148193,-0.016220093,0.019439697,0.034118652,-0.010749817,-0.030776978,-0.012390137,0.012390137,0.008575439,-0.0065689087,0.023117065,-0.03149414,-0.011329651,0.0077323914,-0.009391785,-0.0009622574,-0.004878998,0.005054474,0.019241333,0.0118255615,0.004863739,0.041015625,-0.0050201416,-0.0068740845,-0.0019445419,0.014442444,0.021835327,0.039215088,-0.027923584,0.029785156,0.008674622,-0.018356323,0.056488037,-0.015640259,0.013473511,-0.0345459,-0.0028743744,-0.020812988,-0.01109314,0.007850647,0.0022411346],"createdAt":"2026-04-18T18:53:56.829Z","updatedAt":"2026-04-23T04:01:40.965Z","lastSeenAt":"2026-04-23T04:01:40.965Z","tsv":"'/api/v1/stripe/charges/136':50,171 '0.02':82,160 '000':77 '20':76 '402 payment required' '6':89 'Base network API' 'USDC micropayment endpoint' 'accept':57,220 'access':55 'across':119 'actual':217 'advertis':71 'ai':129 'analysi':133 'analyt':123 'api':5,19,41,54,92,196 'attach':101 'avail':193 'base':8,22,66,78 'base-network' 'behind':167 'bodi':224 'broader':114 'call':12,26 'caller':99,225 'categori':121 'challeng':70 'charg':182 'classif':136 'connect':205 'content':211 'convers':152 'cost':74 'data':122,126 'decim':90 'doc':195 'document':186 'embed':137 'endpoint':6,20,30,42,118,155,170,216 'estim':147 'exchang':142 'exploratori':231 'export':127 'feed':141 'financ':138 'four':120 'function':166 'gas':146 'gate':3,17,40 'generat':153 'geocod':150 'header':106 'howev':163 'infrastructur':149 'insight':128 'integr':232 'key':93 'know':213 'label':52 'learn':131 'limit':96 'list':117 'lowpaymentfee' 'lowpaymentfee.com':32,115 'machin':130 'mani':36 'maximum':73 'may':178 'metric':124 'network':67 'no-api-key' 'offer':43 'one':34 'oper':183 'page':200 'particular':169 'path':175 'pay':9,23 'pay-per-call API' 'payment':61,105,111 'per':11,25,84,161 'per-cal':10,24 'per-call-pricing' 'platform':46,116 'post':58,223 'post-method' 'premium':4,18,53 'price':140,158,197 'prompt':207 'proof':112 'protocol':39 'quot':145 'rate':95,143 'readm':199 'relat':179 'report':125 'request':59,85,162,187 'requir':98 'resourc':49 'respons':190 'return':202,218 'schema':188,191 'sentiment':132 'settl':60 'simpli':100 'sinc':86 'specif':48,165 'stripe':181 'stripe charges API' 'substant':210 'suggest':176 'summar':135 'text':134 'token':144 'treat':227 'unclear':173 'uniform':157 'unit':79 'usd':83 'usdc':14,28,63,81,87 'usdc-settlement' 'use':88 'valid':109,151 'wallet':206 'web3':139 'without':212 'x':104 'x-payment':103 'x402':2,16,38,69,110 'x402 API' 'x402-gated':1,15 'x402-payment' 'x402-protocol-gated':37","prices":[{"id":"410feee0-efb6-4b44-9d23-2ba45ccd3434","listingId":"ae2a6d40-5310-4683-ab10-0f3ecda26ba8","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/charges/136","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:53:56.829Z"}],"sources":[{"listingId":"ae2a6d40-5310-4683-ab10-0f3ecda26ba8","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/charges/136","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:53:56.829Z","lastSeenAt":"2026-04-23T04:01:40.965Z"}],"details":{"listingId":"ae2a6d40-5310-4683-ab10-0f3ecda26ba8","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/136 \\\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 402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/136"},{"claim":"All endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The platform offers endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/136"}],"useCases":["Programmatic access to a premium API resource with per-call USDC micropayments","Agent-driven workflows that need keyless, pay-as-you-go API access on Base","Exploring x402 protocol integrations with low per-request costs"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that can sign USDC payments on Base","Use cases requiring no-signup, no-API-key access"],"notFor":["Users who need detailed API documentation before integrating","High-volume use cases where $0.02/request adds up without bulk discounts","Anyone needing fiat-only payment rails"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:56.815Z"},"updatedAt":"2026-04-23T04:01:40.965Z"}}