{"id":"3d944755-8b26-47f8-9147-15cd9f9a7f14","shortId":"vg4bW3","kind":"x402","title":"Pay-per-request premium API access via x402 on Base network for $0.02/call in USDC.","tagline":"Pay-per-request premium API access via x402 on Base network for $0.02/call in USDC.","description":"This endpoint at lowpaymentfee.com provides \"Premium API Access\" via the x402 payment protocol. It is one of many endpoints offered by the platform, which spans categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. All endpoints on the platform share a uniform pricing model of $0.02 per request, settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/policies/93` is listed under the generic \"Premium API Access\" label. The x402 challenge confirms it accepts POST requests, charges a maximum of 20,000 base units of USDC (which equals $0.02 given USDC's 6 decimals), and pays out to a specified Ethereum address on Base. No API keys or rate limits are required — payment is the only authentication mechanism.\n\nDocumentation on the site is extremely sparse. The docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI schema, no request/response examples, and no description of what the `/api/v1/policies/93` endpoint actually returns. The platform advertises instant access with no commitments, but the lack of documentation makes it difficult to determine the actual functionality behind this particular policy endpoint.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key","post-method"],"categories":["api-gateway","infrastructure"],"synonyms":["low payment fee","x402 api","pay per call api","micropayment api","usdc api access","base network api","policies endpoint"],"warnings":["No documentation available — docs/pricing/README pages only show 'Connect wallet'","No OpenAPI or request/response schema provided","Unclear what data or service the /api/v1/policies/93 endpoint actually returns","Platform appears to be a generic x402 demo or placeholder with many undocumented endpoints"],"endpointUrl":"https://lowpaymentfee.com/api/v1/policies/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/policies/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, but there is no documentation, no schema, no request/response examples, and no clarity on what 'Premium API Access' at /api/v1/policies/93 actually provides. 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":"2026-04-19T08:04:43.919Z","embedding":[-0.008926392,-0.043395996,0.033843994,0.018676758,0.015472412,-0.022888184,-0.03036499,0.02935791,0.08526611,-0.046813965,0.030349731,-0.05697632,-0.030212402,-0.041381836,-0.02381897,0.008163452,-0.017044067,0.01689148,-0.025650024,0.045440674,0.033081055,0.010398865,-0.0362854,0.04083252,0.024154663,-0.024597168,0.010681152,-0.00053453445,-0.011398315,-0.049987793,0.0317688,-0.025131226,-0.0042152405,-0.006175995,-0.01939392,-0.0052948,-0.013008118,0.05328369,0.029434204,0.00082302094,-0.012619019,-0.07122803,-0.00680542,-0.008354187,-0.05078125,0.021591187,0.022262573,-0.01991272,-0.013397217,-0.0075416565,-0.037475586,-0.0057144165,-0.00831604,-0.018173218,0.008987427,-0.006511688,0.022521973,-0.017288208,-0.0062408447,0.010261536,0.00014054775,-0.07543945,-0.016448975,0.01902771,0.010398865,0.054229736,0.0043029785,0.040985107,0.02444458,0.054595947,0.051757812,0.054260254,0.015945435,0.018173218,-0.018814087,0.000021755695,-0.013397217,0.06689453,-0.024383545,-0.011764526,-0.019866943,-0.0064353943,-0.031204224,0.00749588,-0.017333984,-0.03829956,-0.031066895,0.011955261,-0.007144928,0.012298584,-0.058563232,-0.0075149536,-0.03277588,0.011947632,0.0063171387,-0.01838684,-0.01399231,0.024047852,-0.01940918,0.026977539,-0.0046081543,-0.03942871,0.005241394,0.023010254,0.05630493,0.05557251,0.021850586,0.013397217,0.025802612,-0.026489258,-0.02645874,-0.0035076141,-0.008071899,0.0013589859,0.012062073,0.00374794,-0.037841797,0.027709961,-0.0099487305,0.024169922,-0.057891846,0.047180176,0.034484863,-0.017700195,0.023406982,-0.06213379,-0.016220093,0.01335907,-0.026794434,-0.0070228577,0.03717041,0.0052986145,0.035095215,-0.03201294,-0.037017822,0.03250122,0.0019350052,-0.02444458,-0.059448242,-0.04663086,0.030944824,-0.023330688,0.026229858,0.024520874,-0.09942627,-0.005886078,-0.045532227,-0.00030827522,-0.02822876,-0.004878998,0.0054130554,0.021484375,0.0011529922,-0.013633728,-0.027267456,-0.018325806,0.013031006,0.03793335,-0.013954163,0.05908203,-0.014587402,0.05065918,0.013320923,0.0074424744,0.029174805,0.03540039,0.0071640015,-0.07116699,-0.0826416,-0.041259766,-0.009628296,-0.002954483,-0.021087646,0.012550354,0.0072631836,-0.097473145,-0.0357666,-0.019577026,-0.0032291412,-0.03665161,0.008735657,-0.029769897,-0.004600525,-0.021484375,-0.058410645,-0.035461426,-0.032348633,0.06439209,0.0072288513,0.004173279,0.029769897,-0.0066223145,0.047912598,0.011985779,-0.0129852295,-0.03753662,0.0016527176,-0.029052734,0.017623901,0.005493164,-0.008895874,-0.035949707,0.036621094,0.062438965,0.0064315796,-0.012687683,-0.01121521,-0.053497314,-0.04031372,-0.045318604,-0.0014238358,0.0059127808,-0.0075531006,0.031677246,-0.012702942,-0.03060913,-0.016448975,0.027008057,0.019744873,0.068115234,-0.0010271072,-0.00497818,0.01939392,0.02027893,-0.044311523,0.054260254,0.005657196,0.021820068,-0.03930664,-0.030960083,0.008766174,0.043792725,-0.03918457,0.0010299683,-0.01991272,0.021606445,-0.0008292198,0.018722534,0.012840271,-0.013801575,-0.020141602,-0.033355713,-0.016098022,0.03765869,0.0057868958,-0.03353882,-0.036376953,-0.049835205,0.04171753,0.02659607,0.041748047,-0.0032577515,0.0070152283,-0.03353882,-0.010765076,-0.06677246,0.05319214,0.07312012,-0.01966858,-0.014564514,0.011787415,0.021362305,-0.010543823,-0.035003662,-0.014785767,-0.041625977,-0.027709961,0.003293991,-0.03161621,0.012329102,0.007160187,0.025344849,0.04626465,0.007106781,-0.04534912,-0.021118164,0.00088596344,-0.010650635,-0.028900146,0.022369385,-0.010917664,-0.007774353,0.005306244,-0.0011262894,0.042419434,-0.008148193,-0.010879517,-0.0023174286,0.006263733,-0.012329102,-0.039642334,0.029937744,-0.0046195984,-0.06262207,0.01574707,-0.011070251,0.06915283,-0.057495117,0.044769287,-0.01838684,0.011352539,0.05819702,-0.016494751,-0.043518066,0.0057868958,0.029281616,0.025939941,0.0121536255,0.0030155182,-0.021591187,-0.008995056,0.047912598,-0.0073127747,-0.010566711,0.016662598,0.012535095,0.03225708,-0.0060272217,-0.06713867,-0.028579712,-0.011276245,-0.04675293,0.025863647,-0.019195557,0.025817871,-0.025772095,0.0017490387,-0.027679443,0.007205963,-0.023025513,0.022537231,-0.04937744,0.004676819,-0.021530151,0.011054993,0.0017604828,0.03164673,-0.0079574585,0.012481689,0.027786255,0.018539429,-0.009109497,-0.033111572,-0.013931274,-0.036102295,0.009346008,0.0110321045,0.0105896,0.026046753,0.059661865,-0.023925781,0.0024929047,0.026229858,0.012939453,0.03540039,-0.004878998,-0.007396698,-0.0769043,-0.06744385,-0.025726318,-0.037902832,0.023406982,-0.0028190613,0.0077171326,0.036956787,-0.008224487,-0.013053894,-0.027938843,0.020996094,-0.028747559,-0.0110321045,0.029006958,-0.0046653748,-0.021713257,0.0047340393,0.0043258667,0.0031147003,0.04916382,0.018692017,0.005104065,0.06707764,0.05630493,0.0077590942,0.03466797,0.013313293,0.026031494,-0.015838623,-0.03149414,-0.02003479,-0.0026626587,0.040740967,-0.010894775,-0.015655518,-0.05340576,0.05355835,0.027420044,0.054626465,0.01676941,0.017044067,0.026779175,-0.007873535,0.004627228,-0.014328003,-0.006248474,-0.03768921,-0.03677368,0.01512146,-0.0138549805,-0.006919861,-0.03062439,0.033325195,-0.010246277,0.020614624,-0.02659607,0.042816162,-0.020843506,-0.0012388229,0.024414062,0.0047798157,0.047851562,0.06732178,-0.045532227,0.025039673,0.008300781,-0.020507812,-0.0029201508,0.026016235,-0.00932312,-0.029312134,-0.057678223,-0.03125,-0.0039024353,-0.003293991,-0.059020996,0.0098724365,0.0037841797,0.0063552856,0.025665283,-0.012763977,-0.01576233,0.014953613,-0.023376465,-0.064697266,0.004333496,-0.027008057,-0.0028915405,0.06451416,-0.0026512146,-0.007949829,0.013656616,-0.0010824203,0.0037384033,0.012367249,0.0236969,0.006259918,-0.05239868,0.030578613,0.018981934,0.013267517,0.0340271,0.03164673,0.031341553,0.028640747,0.046691895,0.023910522,-0.03729248,-0.06640625,0.01902771,-0.05819702,0.013008118,-0.00072193146,-0.025177002,-0.005657196,-0.03173828,-0.0158844,-0.043792725,0.0043411255,-0.030914307,0.014541626,0.010040283,-0.03086853,-0.033966064,-0.057891846,-0.0040245056,0.013557434,0.05871582,0.051086426,-0.0124053955,-0.080200195,-0.01676941,0.021133423,0.018066406,0.013595581,-0.014343262,-0.019836426,-0.037322998,-0.027130127,-0.02772522,-0.03237915,0.03845215,-0.01889038,-0.012313843,0.015274048,-0.0030555725,0.0065460205,0.0090408325,-0.0035152435,0.027450562,-0.024642944,-0.0031909943,-0.019561768,0.027496338,0.0024280548,-0.01373291,-0.045196533,0.03463745,0.018203735,0.0335083,-0.027633667,0.0093688965,-0.008918762,0.013267517,0.015144348,0.00018811226,0.004383087,-0.0096206665,-0.050354004,-0.06854248,0.036315918,-0.019332886,0.042022705,0.006614685,0.01864624,0.03125,0.003276825,0.007423401,0.028121948,-0.023040771,-0.010665894,-0.010536194,-0.028060913,-0.04208374,-0.004890442,-0.01914978,0.0181427,-0.021972656,0.022537231,0.001964569,-0.009605408,0.020141602,-0.006252289,0.00049734116,0.009475708,0.0044136047,0.0074501038,0.042175293,0.0032100677,-0.028579712,0.030761719,0.01979065,0.007965088,-0.011947632,0.027709961,0.023483276,-0.0262146,-0.003566742,0.00062417984,-0.016418457,-0.021392822,-0.011558533,0.017730713,0.02961731,0.005004883,-0.026260376,0.01158905,0.020523071,-0.025970459,-0.024963379,0.023895264,0.006134033,-0.039276123,0.022918701,0.015144348,0.061157227,-0.014541626,0.005344391,0.0013914108,0.037963867,0.0072364807,0.015289307,-0.0070877075,0.02166748,-0.00459671,-0.002981186,-0.0072250366,-0.0065231323,0.022201538,0.009719849,0.0096588135,0.014083862,0.0017738342,-0.025421143,-0.03112793,0.004398346,-0.0027103424,-0.01663208,0.02178955,0.01448822,0.016433716,-0.03173828,0.018234253,0.02532959,-0.01878357,-0.017868042,-0.006385803,0.04574585,-0.021697998,-0.015144348,0.007457733,0.016983032,0.020187378,-0.057647705,0.003742218,0.009002686,0.010871887,-0.033721924,-0.038635254,-0.038635254,0.0008406639,0.03955078,0.017700195,0.014060974,0.028320312,0.01474762,0.012802124,0.025146484,0.009239197,-0.0054092407,-0.026672363,-0.037872314,-0.008605957,-0.0012931824,-0.0057678223,-0.025177002,0.00756073,-0.028839111,-0.031433105,0.015853882,-0.014564514,-0.006629944,-0.0034656525,-0.010505676,0.010726929,0.0028591156,0.015266418,-0.023147583,-0.032714844,-0.0020103455,0.011451721,0.028198242,-0.039489746,0.021957397,-0.006187439,0.0026435852,0.0049591064,0.0055885315,0.02949524,0.03778076,0.010238647,0.036590576,-0.039245605,0.032073975,-0.038024902,0.00806427,0.0007305145,-0.031799316,-0.0016975403,-0.014190674,-0.007610321,0.029129028,-0.008094788,-0.009101868,-0.02229309,-0.030426025,-0.015007019,-0.051849365,0.012832642,0.03756714,0.036743164,-0.023727417,0.0052337646,-0.0026454926,-0.00894165,-0.0118255615,0.0067977905,-0.010887146,0.031143188,0.012382507,-0.002374649,-0.04055786,-0.031280518,-0.0075683594,0.0025959015,-0.041046143,-0.04373169,-0.0030117035,-0.0044174194,-0.011222839,-0.014503479,-0.03668213,-0.028915405,-0.006752014,-0.039642334,0.0067329407,-0.0038700104,0.0060920715,0.014671326,-0.025344849,0.0058135986,0.018310547,-0.017593384,0.027862549,-0.0032463074,-0.001156807,-0.040039062,0.010055542,0.031555176,0.020599365,-0.0026893616,-0.012840271,-0.015350342,-0.022109985,-0.05078125,-0.00091362,0.000446558,-0.004711151,0.004386902,0.0033988953,-0.045562744,-0.013282776,-0.02027893,0.0015792847,0.010429382,0.009925842,0.01399231,0.007419586,0.00073099136,0.0064926147,-0.0073013306,-0.042541504,0.021194458,0.010421753,0.0032539368,0.006034851,0.041534424,0.00831604,-0.008735657,0.0005507469,-0.009048462,0.0057029724,-0.021194458,-0.010353088,-0.02128601,-0.0079193115,-0.027313232,-0.0006556511,-0.03543091,0.0029201508,0.08154297,-0.0018024445,0.00982666,-0.0011911392,-0.023269653,0.022735596,0.03540039,-0.036254883,-0.011566162,-0.026153564,0.016052246,-0.008483887,0.0068626404,-0.0031356812,0.011886597,-0.021224976,-0.055145264,-0.014266968,0.009567261,-0.007980347,-0.058929443,-0.013519287,-0.07232666,-0.00756073,-0.0033397675,-0.031219482,0.001499176,-0.0026855469,-0.010894775,-0.068237305,0.013824463,0.04876709,0.0076942444,0.022583008,-0.017303467,0.024459839,0.021270752,-0.04525757,-0.035217285,0.03451538,-0.042541504,-0.014282227,-0.035888672,0.03050232,-0.013839722,-0.014228821,-0.0017280579,0.011024475,0.02166748,-0.0048980713,0.0070762634,-0.01626587,0.0096588135,-0.016204834,0.025436401,-0.015045166,-0.0074310303,0.03466797,-0.042297363,0.0155181885,0.01637268,-0.01058197,-0.014839172,0.023803711,0.03060913,-0.035491943,-0.010879517,0.017410278,0.013893127,0.05154419,-0.028762817,0.06335449,0.022201538,-0.02458191,0.023376465,-0.009803772,-0.013931274,-0.057006836,-0.025283813,0.017044067,-0.01448822,0.028900146,-0.020935059,0.008087158,0.010887146,-0.00038027763,0.011947632,-0.02607727,-0.02381897,-0.029464722,0.0030078888,0.008483887,-0.0035934448,-0.0058021545,0.03652954,0.025405884,0.04321289,0.0041503906,-0.0053977966,0.03378296,0.015365601,-0.017105103,0.020736694,0.022567749,-0.0046920776,0.011459351,0.02456665,-0.004634857,-0.04647827,-0.014266968,-0.012664795,-0.0067977905,0.010978699,0.0038261414,0.006149292,-0.009147644,-0.00831604,0.0054893494,-0.041046143,0.014671326,-0.023101807,-0.03314209,0.00016283989,-0.018997192,-0.0010852814,-0.0062789917,0.008598328,0.019836426,-0.008682251,0.041290283,-0.0009241104,-0.0010919571,0.01991272,0.058685303,0.015014648,-0.015472412,-0.0059509277,-0.00072193146,0.0184021,-0.0035762787,-0.02909851,0.020736694,0.042938232,-0.015792847,0.012969971,0.0025634766,0.033813477,-0.005092621,0.0045280457,0.0034275055,0.022079468,-0.024261475,0.03591919,-0.038909912,0.0037384033,0.01386261,0.012779236,0.0047721863,-0.020645142,-0.01878357,0.011772156,0.007534027,-0.0072288513,0.052459717,-0.0049552917,0.026779175,-0.016616821,-0.025772095,0.0040512085,-0.01838684,-0.01727295,0.027008057,0.007003784,0.004272461,0.022018433,-0.01007843,0.037322998,-0.0335083,0.0072250366,0.012992859,-0.008865356,-0.017715454,-0.0158844,-0.0259552,-0.019973755,-0.000521183,0.0036373138,-0.006717682,0.047210693,0.010314941,0.028823853,0.03829956,0.017807007,0.01133728,-0.041656494,-0.032592773,-0.00605011,-0.015472412,0.01914978,-0.014076233,0.037078857,0.038848877,-0.0019273758,0.028747559,0.028747559,0.016921997,0.01411438,0.0013875961,-0.011962891,0.013427734,-0.003660202,0.021575928,0.004173279,0.04486084,-0.019424438,0.02532959,0.010879517,0.025299072,-0.030059814,0.041992188,0.07128906,0.0063819885,0.0011529922,0.04333496,-0.014953613,-0.02746582,-0.011314392,-0.0076446533,0.05645752,0.0059547424,0.056488037,0.037628174,0.017440796,-0.007335663,0.039123535,-0.019119263,-0.032989502,0.06329346,0.020202637,-0.035247803,-0.019683838,-0.0042762756,-0.00066804886,-0.02935791,-0.031341553,0.023712158,-0.005504608,-0.005382538,0.0036144257,0.0099105835,-0.008331299,0.022415161,0.012718201,-0.0009946823,-0.016708374,0.03466797,0.04449463,-0.0039100647,0.023620605,0.006477356,0.035858154,-0.019058228,-0.019470215,0.02268982,0.016906738,0.004058838,-0.00541687,0.011550903,0.013137817,0.050476074,0.042114258,-0.025253296,0.010597229,0.019363403,0.010360718,-0.0033473969,0.017974854,0.037261963,0.0029678345,0.012168884,0.03982544,0.034576416,-0.035949707,0.009307861,-0.010139465,0.0031318665,-0.014640808,-0.010269165,0.011299133,-0.026016235,0.008834839,-0.010726929,0.0011234283,0.028915405,0.035949707,0.0063972473,-0.0007901192,-0.017089844,-0.00048351288,-0.01399231,0.007850647,0.016708374,-0.023010254,0.016937256,0.021575928,0.018707275,-0.027832031,0.034210205,-0.012504578,-0.022979736,0.007987976,0.0026226044,-0.04473877,-0.008102417,-0.013137817,0.008071899,-0.04397583,0.00038003922,0.023284912,-0.004600525,0.030319214,0.0042495728,-0.00022900105,-0.015716553,0.017837524,0.010765076,-0.009246826,0.0018157959,-0.014846802,0.030426025,0.027648926,-0.0014705658,0.014266968,-0.014076233,-0.0018644333,0.0061073303,0.010345459,0.0036563873,-0.020126343,-0.019180298,-0.036590576,0.010848999,0.04562378,0.027786255,0.044128418,-0.016601562,-0.0060157776,0.00073719025,0.033416748,-0.0018529892,0.005821228,-0.014213562,0.021377563,-0.02532959,0.03829956,0.043548584,-0.00095129013,0.015686035,-0.014305115,-0.032348633,0.0071640015,-0.008666992,0.022369385,-0.0045661926,0.009880066,-0.01222229,0.02305603,-0.007835388,-0.034576416,0.0010843277,-0.027557373,-0.018218994,-0.025054932,0.014785767,0.0014448166,0.01878357,0.020889282,0.0043563843,-0.023910522,0.06036377,-0.011360168,0.042816162,-0.014251709,0.008453369,0.05142212,0.030685425,0.0362854,0.0017156601,0.020019531,-0.030914307,0.01864624,0.027648926,0.02571106,0.013191223,0.0101623535,-0.006275177,0.040161133,0.010848999,0.02861023,0.0066986084,-0.004283905,0.018035889,0.0062828064,-0.0005002022,-0.002193451,-0.025222778,0.017120361,0.026641846,-0.03201294,-0.00843811,-0.026473999,-0.016845703,0.028869629,0.0016441345,0.009544373,0.014022827,-0.038085938,0.01689148,-0.013031006,-0.0112838745,-0.002576828,0.033294678,-0.041931152,-0.0033855438,0.0043754578,0.014656067,-0.010635376,0.021850586,0.037841797,0.00712204,-0.0031375885,0.049438477,0.006263733,0.043060303,0.00080251694,0.023971558,0.032684326,-0.0024662018,-0.02494812,0.015975952,0.020706177,-0.014579773,0.00044703484,0.04144287,-0.0052986145,0.0042266846,0.004295349,-0.013282776,0.012840271,0.018981934,0.0046424866,0.010513306,-0.008842468,-0.02255249,0.0028533936,-0.00018918514,0.008934021,0.0013599396,-0.0061035156,-0.007209778,0.021026611,0.031555176,0.02116394,-0.024932861,0.0018110275,0.02432251,0.00491333,-0.020843506,-0.022201538,-0.008995056,-0.03250122,0.014671326,0.011871338,0.004852295,0.018173218,-0.021316528,-0.007457733,0.019699097,0.017791748,0.004776001,0.0050621033,0.0013952255,0.020233154,-0.018814087,0.0014467239,-0.008850098,-0.012306213,0.002954483,0.021026611,-0.0004324913,-0.024520874,0.023880005,0.0012655258,0.013175964,0.0013818741,-0.019973755,0.014541626,-0.009353638,-0.010253906,-0.0035533905,0.007171631,-0.018798828,-0.024765015,-0.0102005005,0.027557373,0.04940796,0.000028848648,-0.0124053955,0.020980835,0.016586304,0.01713562,0.028869629,0.0056991577,0.030090332,0.020812988,-0.023742676,-0.022888184,0.01373291,-0.03286743,-0.038604736,0.008903503,-0.0178833,-0.012077332,0.01637268,0.0046463013,-0.0027008057,-0.03756714,-0.010787964,-0.015213013,-0.02279663,0.0418396,-0.0079956055,0.007827759,-0.021606445,-0.030166626,0.008926392,-0.030059814,-0.057373047,-0.025939941,-0.008773804,-0.020187378,-0.04650879,0.02406311,-0.03744507,0.025726318,-0.019744873,0.0027694702,-0.012611389,0.025375366,-0.01234436,0.0055656433,0.013893127,0.018814087,0.0116119385,0.017456055,0.020233154,-0.030029297,-0.054260254,-0.017044067,-0.0071411133,0.0035953522,0.020477295,0.0052337646,0.040985107,0.0042037964,-0.010978699,-0.0054512024,0.0020103455,-0.007881165,-0.0037212372,-0.022735596,-0.01071167,0.0126571655,0.017730713,-0.017333984,-0.011779785,0.04525757,-0.022766113,-0.020233154,0.03717041,0.05581665,0.025222778,0.04284668,-0.019256592,-0.00022935867,-0.013450623,0.008087158,-0.015007019,0.0036506653,0.0029201508,0.0004992485,-0.007347107,-0.0071411133,0.016433716,-0.008178711,-0.008522034,0.026046753,0.013969421,-0.010810852,0.025680542,0.014205933,0.0021629333,-0.004508972,-0.008766174,0.020004272,0.046295166,0.027130127,-0.0006542206,-0.009887695,0.008262634,-0.018630981,0.009796143,0.016738892,-0.029769897,-0.037750244,-0.020050049,-0.029312134,0.027389526,-0.0033893585,0.022079468,-0.0032463074,0.026473999,-0.020004272,-0.020645142,-0.013946533,0.021331787,0.014808655,-0.02293396,-0.00440979,-0.0015001297,0.025848389,-0.026931763,0.0006175041,-0.033203125,-0.017440796,-0.010475159,-0.024871826,0.028900146,0.025177002,-0.0036678314,-0.007701874,-0.00774765,-0.004447937,-0.0010194778,0.021713257,-0.02003479,-0.009483337,0.00944519,0.009284973,-0.029434204,0.005138397,0.005191803,-0.0032253265,0.0025634766,-0.017196655,0.004589081,-0.00762558,0.05026245,-0.0032176971,0.0012245178,0.038482666,-0.00038003922,0.020889282,-0.027389526,0.015808105,0.00045347214,-0.011489868,0.034484863,-0.02432251,-0.024475098,0.008277893,-0.0051460266,-0.04437256,0.006210327,0.024398804,0.029129028,-0.016799927,0.041168213,-0.013519287,-0.014030457,0.012641907,0.01525116,0.0007762909,-0.0014276505,0.021636963,0.0011281967,-0.0124435425,-0.004634857,-0.011016846,-0.027572632,-0.016921997,0.019302368,-0.016616821,-0.0149383545,0.018127441,0.0012569427,0.03945923,0.0012578964,0.010826111,0.021591187,0.0018558502,0.027755737,0.02104187,0.068481445,-0.015312195,-0.02848816,0.006641388,-0.004497528,-0.019973755,-0.008300781,-0.013671875,-0.0013971329,-0.03060913,0.022979736,-0.012901306,0.016174316,-0.018661499,0.0025749207,-0.01940918,-0.0107421875,-0.03189087,-0.008583069,-0.031799316,0.01121521,0.032562256,0.0046806335,0.022659302,0.013389587,-0.017456055,0.03050232,0.060333252,-0.004348755,-0.033813477,-0.020141602,0.0137786865,0.0011224747,-0.0029659271,0.0070762634,-0.03744507,-0.032165527,0.009025574,-0.001250267,0.015655518,-0.004016876,0.014785767,0.012207031,0.003917694,0.0053901672,0.017913818,-0.000010967255,0.007572174,0.014549255,-0.0058898926,0.025268555,0.027816772,-0.004322052,0.022460938,0.015899658,-0.037872314,0.049743652,-0.014266968,0.022628784,-0.023590088,0.006290436,-0.029800415,-0.016693115,0.0040664673,0.00029468536],"createdAt":"2026-04-18T18:52:05.041Z","updatedAt":"2026-04-23T06:31:18.672Z","lastSeenAt":"2026-04-23T06:31:18.672Z","tsv":"'/api/v1/policies/93':96,196 '/call':15,32 '0.02':14,31,83,126 '000':119 '20':118 '6':130 'accept':111 'access':7,24,42,104,204 'actual':198,219 'addit':179 'address':139 'advertis':202 'ai':64 'analyt':63 'api':6,23,41,103,143,165 'authent':154 'base':11,28,91,120,141 'base network api' 'base-network' 'behind':221 'categori':60 'challeng':108 'charg':114 'commit':207 'confirm':109 'connect':174 'data':62 'decim':131 'descript':192 'detail':181 'determin':217 'difficult':215 'doc':164 'document':156,212 'endpoint':36,53,73,95,197,225 'equal':125 'ethereum':138 'exampl':189 'extrem':161 'financ':67 'function':220 'generic':101 'given':127 'includ':61 'infrastructur':70 'instant':203 'key':144 'label':105 'lack':210 'learn':66 'limit':147 'list':98 'low payment fee' 'lowpaymentfee.com':38 'machin':65 'make':213 'mani':52 'maximum':116 'mechan':155 'micropayment api' 'model':81 'network':12,29,92 'no-api-key' 'offer':54 'one':50 'openapi':185 'page':169 'particular':223 'pay':2,19,133 'pay per call api' 'pay-per-request':1,18 'payment':46,150 'per':3,20,84 'platform':57,76,201 'polici':224 'policies endpoint' 'post':112 'post-method' 'premium':5,22,40,102 'price':80,166 'prompt':176 'protocol':47 'provid':39 'rate':146 'readm':168 'render':171 'request':4,21,85,113 'request/response':188 'requir':149 'return':199 'schema':186 'settl':86 'share':77 'site':159 'span':59 'spars':162 'specif':94 'specifi':137 'technic':180 'uniform':79 'unit':121 'usdc':17,34,88,123,128 'usdc api access' 'usdc-settlement' 'util':71 'via':8,25,43 'wallet':175 'web3':68 'x402':9,26,45,107 'x402 api' 'x402-payment'","prices":[{"id":"49a4b612-a417-4888-966f-c8fd65f6bd38","listingId":"3d944755-8b26-47f8-9147-15cd9f9a7f14","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/policies/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":"2026-04-18T18:52:05.041Z"}],"sources":[{"listingId":"3d944755-8b26-47f8-9147-15cd9f9a7f14","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/policies/93","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:52:05.041Z","lastSeenAt":"2026-04-23T06:31:18.672Z"}],"details":{"listingId":"3d944755-8b26-47f8-9147-15cd9f9a7f14","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/policies/93 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge requiring 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/policies/93"},{"claim":"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/policies/93"}],"useCases":["Accessing premium data or services with per-request micropayments","Programmatic API consumption without subscription or API key management","Agent-driven workflows that need instant, keyless API access on Base"],"bestFor":["Developers wanting zero-commitment pay-as-you-go API access","AI agents that can settle x402 payments autonomously","Users who prefer crypto-native micropayment authentication over API keys"],"notFor":["Users needing detailed API documentation or guaranteed SLAs","High-volume consumers who would benefit from bulk pricing or subscriptions","Developers unfamiliar with x402 protocol or crypto wallets"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:02.238Z"},"updatedAt":"2026-04-23T06:31:18.672Z"}}