{"id":"92818542-f352-4ba3-8e4d-23bdaa2fd08a","shortId":"hVCKNb","kind":"x402","title":"Pay-per-call API platform on Base network via x402 — $0.02/request in USDC.","tagline":"Pay-per-call API platform on Base network via x402 — $0.02/request in USDC.","description":"lowpaymentfee.com is an x402-enabled API platform that offers a broad catalog of endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and utility services. All endpoints are paid per-request using USDC on the Base network, with no API keys, no rate limits, and no subscriptions required. The specific endpoint at `/api/v1/generate/resource/130` is listed as \"Premium API Access\" and returns a 402 challenge requesting up to 20,000 base units of USDC (i.e., $0.02) per call.\n\nThe platform advertises categories including 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 utilities (geocoding, validation, conversion, generation). All endpoints share the same $0.02 per-request pricing.\n\nDocumentation is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no usage examples available from the crawled content. The exact functionality behind the `/api/v1/generate/resource/130` path (labeled \"Premium API Access\") is unclear; it does not map obviously to any of the named endpoints on the landing page. Agents should treat this as a low-documentation endpoint until more detail is published.","tags":[],"capabilities":["x402-payment","usdc-base-network","pay-per-request","no-api-key","json-response","post-method"],"categories":["infrastructure","general"],"synonyms":["x402 API","pay-per-call API","USDC micropayment API","Base network API","lowpaymentfee","premium API access","crypto-paid API"],"warnings":["No documentation available — /docs, /api, /pricing, and /README pages all show only 'Connect wallet' with no content.","No OpenAPI or schema definition found for any endpoint.","The specific resource path /api/v1/generate/resource/130 does not correspond to any named endpoint on the landing page; its actual functionality is unknown.","Response format and fields are entirely undocumented."],"endpointUrl":"https://lowpaymentfee.com/api/v1/generate/resource/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/generate/resource/130","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge with clear pricing, but there is zero documentation on what the endpoint actually does, no request/response schemas, and no examples. The /docs and other pages are empty. The 'Premium API Access' label is generic and does not describe functionality.","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":"2026-04-18T23:39:11.112Z","embedding":[-0.024353027,-0.02709961,0.05154419,0.017074585,0.007255554,-0.027832031,-0.025421143,0.019729614,0.07702637,-0.060058594,0.023666382,-0.056365967,-0.028549194,-0.031219482,-0.0014476776,0.0116119385,-0.011367798,-0.0058517456,-0.028137207,0.0178833,0.042785645,-0.0007071495,-0.033050537,0.028839111,-0.005104065,-0.009635925,-0.0032043457,-0.0013341904,-0.007713318,-0.037322998,0.040527344,-0.031219482,-0.005607605,0.0058403015,-0.017700195,-0.013519287,0.0022583008,0.030059814,0.024887085,0.0064430237,-0.0057296753,-0.06781006,0.013305664,-0.016067505,-0.055145264,0.0032348633,0.00598526,-0.020065308,0.013999939,0.0034275055,-0.04248047,-0.011985779,-0.0039863586,-0.0017662048,-0.0105896,0.0048828125,-0.0074539185,-0.015281677,-0.0050354004,0.019088745,-0.00095939636,-0.054138184,-0.014411926,0.0031585693,0.009124756,0.049957275,-0.0019836426,0.037384033,0.006427765,0.061920166,0.037719727,0.045959473,0.029953003,0.014884949,-0.0052337646,-0.0022144318,-0.003955841,0.047058105,-0.030426025,-0.016296387,-0.0019626617,0.01058197,-0.057159424,-0.005744934,-0.021392822,-0.04168701,-0.011924744,0.01335144,-0.022338867,0.027679443,-0.06677246,-0.010353088,-0.0035552979,0.00579834,-0.010520935,0.014434814,0.0006685257,0.028137207,-0.0084991455,0.016693115,-0.0050811768,-0.04711914,0.013252258,0.020019531,0.031707764,0.042114258,0.015136719,0.01939392,0.0084991455,-0.0041923523,-0.03286743,0.010902405,-0.011207581,-0.0072517395,0.0074539185,0.0013666153,-0.012832642,0.0155181885,-0.016983032,0.011634827,-0.06427002,0.04940796,0.010108948,0.0084991455,-0.0008673668,-0.04321289,-0.011421204,0.024719238,-0.025222778,-0.00548172,0.024536133,0.022201538,0.025924683,-0.023483276,-0.030212402,0.0014343262,-0.031173706,-0.029800415,-0.052001953,-0.024856567,0.04067993,-0.038848877,0.022720337,0.039642334,-0.105041504,-0.021728516,-0.051208496,0.014434814,-0.038330078,0.007904053,-0.006439209,0.03010559,-0.016952515,-0.03024292,-0.01864624,-0.038269043,-0.0099487305,0.03491211,-0.020111084,0.045806885,-0.0132369995,0.035736084,0.0027770996,0.008125305,0.008773804,0.029632568,-0.003566742,-0.08508301,-0.085876465,-0.010940552,0.00055217743,-0.03149414,-0.038085938,0.010971069,0.0061798096,-0.07519531,-0.02709961,-0.021530151,0.0020656586,-0.045776367,0.000021159649,-0.017547607,-0.0028362274,-0.004108429,-0.061065674,-0.031585693,-0.015716553,0.049041748,0.0390625,0.031951904,0.024307251,-0.01701355,0.06298828,0.010765076,-0.022003174,-0.02432251,0.021469116,-0.03302002,0.018585205,-0.0072898865,0.0069351196,-0.041503906,0.028045654,0.050476074,0.004585266,-0.007232666,-0.012817383,-0.055999756,-0.03225708,-0.033050537,0.0206604,0.015777588,0.0027828217,0.04837036,-0.030853271,-0.039886475,0.008834839,0.03237915,0.018417358,0.067993164,0.0067749023,-0.00970459,0.01713562,0.0146484375,-0.044555664,0.034851074,0.031143188,0.0037269592,-0.01864624,-0.021759033,0.025360107,0.043273926,-0.021362305,0.0009098053,-0.022888184,0.020217896,-0.002779007,0.007972717,0.022613525,-0.018554688,-0.015609741,-0.025619507,-0.034423828,0.03024292,0.006965637,-0.02507019,-0.032073975,-0.08215332,0.055999756,0.042907715,0.044067383,0.0010166168,0.018493652,-0.0073890686,-0.00447464,-0.0519104,0.04812622,0.07348633,-0.0006299019,-0.008346558,0.02180481,-0.006450653,-0.036468506,0.005466461,-0.015411377,-0.02746582,-0.027542114,0.017120361,-0.052520752,-0.0031547546,0.02218628,0.022918701,0.047973633,-0.0154800415,-0.06604004,-0.024414062,0.004131317,0.00025367737,-0.029418945,0.012565613,-0.020629883,0.021697998,0.026901245,0.014579773,0.012557983,-0.006576538,0.004512787,-0.0021705627,-0.008514404,-0.02923584,-0.017852783,0.011177063,0.0015611649,-0.055267334,0.0064086914,0.004951477,0.08380127,-0.047210693,0.032928467,-0.0057754517,0.008720398,0.037078857,-0.0041046143,-0.066345215,0.0005912781,0.023757935,0.024383545,0.05114746,0.018844604,-0.03100586,-0.01751709,0.072631836,0.0007095337,-0.0154418945,0.02229309,0.018661499,0.04458618,-0.02670288,-0.055877686,-0.03778076,-0.0065307617,-0.042419434,0.024887085,-0.03366089,0.0101623535,-0.014923096,0.015777588,-0.014274597,0.003206253,-0.034698486,0.022491455,-0.009986877,0.012878418,-0.014579773,-0.017349243,0.003036499,0.009437561,-0.008720398,0.009162903,0.027435303,0.0062828064,-0.011581421,-0.032928467,-0.04699707,-0.0009889603,-0.0033435822,0.018066406,0.02720642,0.023864746,0.04763794,-0.041381836,0.007156372,0.037231445,0.026275635,0.02041626,-0.004360199,0.0067214966,-0.07019043,-0.05758667,-0.020751953,-0.054504395,0.031036377,0.021713257,-0.017440796,0.051971436,0.0031585693,-0.012275696,-0.02746582,0.026290894,-0.039642334,-0.018203735,0.05090332,-0.024307251,-0.026321411,0.009223938,0.0014362335,0.0015001297,0.04309082,0.012840271,0.033355713,0.068725586,0.040863037,0.00064754486,0.019195557,0.015731812,0.01977539,0.006717682,-0.033966064,-0.041229248,-0.021011353,0.03074646,-0.029327393,-0.009521484,-0.066101074,0.061279297,0.03427124,0.07824707,0.01322937,0.012237549,0.029373169,-0.011932373,0.012237549,-0.016662598,-0.009536743,-0.014465332,-0.057373047,0.0317688,-0.014450073,0.00091362,-0.0209198,0.042388916,-0.0050582886,0.02204895,-0.031463623,0.056640625,-0.0063552856,0.0012426376,0.006855011,0.00818634,0.061279297,0.04598999,-0.044769287,0.037597656,0.025512695,-0.024795532,-0.0017700195,0.04321289,-0.004009247,-0.011695862,-0.042175293,-0.01423645,-0.010818481,-0.0030498505,-0.04269409,-0.0021438599,0.0018157959,0.01914978,0.026260376,-0.0027999878,-0.014762878,0.00894928,-0.007801056,-0.054351807,-0.009857178,-0.037872314,0.0025119781,0.05609131,-0.030670166,-0.0102005005,-0.0020427704,-0.026062012,-0.0013141632,0.018585205,0.022354126,-0.011489868,-0.03656006,0.032592773,0.0053901672,0.00087833405,0.024642944,0.04650879,0.025619507,0.020523071,0.040252686,0.0059051514,-0.030380249,-0.06719971,0.020828247,-0.04598999,-0.0009303093,0.018814087,-0.021621704,-0.013061523,-0.008087158,-0.030426025,-0.021621704,0.011581421,-0.0418396,0.0013837814,0.02142334,-0.011177063,-0.01991272,-0.043182373,-0.013694763,-0.006286621,0.08654785,0.022491455,0.011054993,-0.059265137,-0.011039734,0.02746582,0.00957489,0.037200928,-0.014961243,-0.008102417,-0.024154663,-0.037872314,-0.0068206787,-0.03591919,0.018615723,-0.009735107,-0.014778137,0.019180298,0.010391235,0.017822266,-0.0075149536,0.0020713806,0.043640137,-0.02468872,-0.005836487,-0.024536133,0.038482666,0.0061416626,-0.0021362305,-0.046020508,0.03918457,0.014923096,0.036987305,-0.03994751,0.004600525,-0.0018043518,0.0038032532,0.010566711,0.0021686554,-0.016555786,-0.013626099,-0.052520752,-0.07348633,0.043273926,-0.031677246,0.026657104,0.020965576,0.007297516,0.026763916,-0.011177063,-0.013168335,0.022323608,-0.017623901,-0.009140015,-0.020523071,-0.034118652,-0.00036859512,-0.021453857,-0.015426636,0.01309967,-0.02571106,0.013343811,-0.0026493073,-0.020614624,0.027938843,0.008583069,-0.015350342,0.025360107,-0.0025367737,0.0132369995,0.04425049,0.0143966675,-0.04486084,0.02557373,0.0047035217,-0.0019216537,-0.0016098022,0.04824829,0.029266357,-0.0042877197,-0.0010213852,-0.021408081,-0.013656616,-0.018417358,0.0025634766,0.0053367615,0.009521484,0.00033164024,-0.037078857,0.020584106,0.0030155182,-0.03213501,-0.023391724,0.018692017,0.021697998,-0.029800415,0.011734009,0.027816772,0.03765869,-0.036895752,0.0030670166,0.0031375885,0.023071289,0.026855469,0.018341064,-0.018341064,0.019866943,-0.0231781,0.0038871765,-0.010505676,-0.0126953125,0.02128601,0.008079529,0.0256958,0.027679443,0.01108551,-0.024261475,-0.04711914,0.013244629,-0.014450073,-0.02166748,0.02154541,0.035125732,0.01512146,-0.026382446,0.0135650635,0.019927979,-0.030303955,-0.019927979,-0.000044882298,0.042510986,-0.0073242188,0.0011949539,0.0158844,0.009025574,0.027832031,-0.056671143,-0.011741638,-0.0005874634,0.0073890686,-0.022140503,-0.039733887,-0.04486084,0.009460449,0.040649414,0.01058197,0.022567749,0.029083252,0.000831604,0.008087158,0.031799316,-0.0074806213,-0.004383087,-0.021453857,-0.04522705,-0.0032844543,-0.014289856,0.0042266846,-0.03253174,0.008430481,0.0017147064,-0.03579712,0.010353088,-0.007331848,0.001004219,-0.008026123,0.00983429,0.033081055,0.01209259,0.02734375,-0.012886047,-0.025390625,-0.0057525635,0.0003540516,0.018341064,-0.05911255,0.022384644,-0.01537323,-0.012702942,0.010955811,0.023468018,0.014167786,0.023788452,0.005706787,0.027862549,-0.039276123,0.05065918,-0.044403076,0.011253357,0.0049057007,-0.032318115,-0.013137817,-0.020431519,-0.00762558,0.030593872,-0.026412964,-0.013931274,-0.035858154,-0.030883789,-0.00198555,-0.051116943,0.023330688,0.04837036,0.038513184,-0.02053833,-0.004512787,0.0040664673,0.011016846,-0.0073242188,0.005706787,-0.0143585205,0.020614624,0.021347046,-0.008766174,-0.030426025,-0.033203125,-0.009750366,-0.0035629272,-0.02507019,-0.046936035,-0.005970001,-0.0016059875,-0.014709473,-0.0045547485,-0.018112183,-0.028686523,-0.0073242188,-0.042816162,0.0057411194,0.014541626,0.023086548,0.010574341,-0.02180481,0.003780365,0.018127441,-0.018218994,0.030090332,-0.0023727417,-0.020355225,-0.05303955,0.004272461,0.028686523,0.009483337,-0.010597229,-0.018173218,-0.002298355,-0.0181427,-0.06506348,0.0018129349,-0.0031089783,-0.015350342,-0.01171875,-0.0007867813,-0.04660034,-0.008674622,-0.020614624,0.0138168335,0.01878357,0.018081665,0.008842468,-0.009147644,0.009529114,-0.002084732,-0.0043678284,-0.034057617,0.023620605,0.0110321045,0.0070724487,0.027938843,0.055999756,0.0075035095,-0.005947113,-0.0030784607,-0.0021953583,0.012626648,-0.013671875,0.00006353855,-0.0076789856,0.009300232,-0.009414673,-0.014755249,-0.030166626,-0.0028858185,0.06970215,-0.0019607544,-0.0082092285,-0.0184021,-0.014198303,0.018692017,0.017852783,-0.052856445,-0.0012588501,-0.045684814,0.022613525,-0.023025513,0.020202637,-0.0016412735,0.01651001,-0.019622803,-0.0513916,-0.016113281,-0.0124435425,-0.014343262,-0.07299805,-0.033721924,-0.06817627,0.009666443,-0.012451172,-0.02331543,-0.005405426,0.012359619,-0.022659302,-0.08325195,-0.0025177002,0.044311523,-0.002281189,0.024139404,-0.013320923,0.02911377,0.019699097,-0.04159546,-0.00541687,0.024597168,-0.02279663,-0.018173218,-0.01423645,0.018341064,-0.013748169,-0.025222778,0.0018968582,0.0211792,0.005859375,-0.0116119385,0.010429382,-0.0045700073,0.015823364,-0.020050049,0.0047683716,-0.011039734,-0.011962891,0.03579712,-0.04989624,0.01789856,0.025268555,-0.00484848,0.007621765,0.024871826,0.043548584,-0.034942627,-0.016571045,0.027786255,0.014907837,0.02822876,-0.027999878,0.05014038,0.0098724365,-0.024017334,0.034454346,-0.0007119179,-0.01020813,-0.030090332,-0.025512695,0.018341064,-0.0018815994,0.011962891,-0.019607544,-0.0069351196,0.019332886,-0.00029444695,0.007888794,-0.013694763,-0.027008057,-0.010627747,0.0069847107,-0.007843018,0.00014054775,-0.0048561096,0.015686035,0.024765015,0.033691406,0.011810303,-0.006378174,0.008628845,0.028823853,-0.0127334595,0.005252838,0.0211792,0.012420654,0.032836914,0.022994995,0.016189575,-0.043426514,-0.012535095,-0.038909912,-0.031311035,-0.0023422241,-0.01373291,-0.0025367737,-0.00026798248,0.01247406,-0.008895874,-0.013328552,0.009056091,-0.043823242,-0.031311035,-0.0039711,-0.019104004,0.012680054,-0.0039100647,0.01789856,0.000009298325,-0.004699707,0.040130615,0.0018854141,-0.013717651,0.020202637,0.02810669,0.027786255,-0.039398193,-0.008918762,-0.017562866,-0.008628845,0.00071430206,-0.025283813,0.006290436,0.04119873,-0.017715454,0.008430481,0.014129639,0.025222778,-0.014846802,0.014022827,0.00002592802,0.017059326,-0.015213013,0.032348633,-0.042633057,0.019638062,0.016174316,-0.0038032532,-0.00491333,-0.016403198,-0.03074646,0.012481689,0.006919861,-0.016220093,0.050750732,0.002954483,0.018737793,-0.02029419,-0.021636963,0.00818634,-0.032714844,-0.022277832,0.0423584,-0.0017957687,-0.009689331,0.008979797,-0.020080566,0.035217285,-0.0463562,0.014434814,0.00016236305,0.01184082,-0.009346008,-0.027420044,-0.014076233,0.0018920898,-0.013214111,0.00040960312,0.012535095,0.044921875,0.01979065,0.04345703,0.040252686,0.031829834,-0.0035133362,-0.044036865,-0.011993408,0.0031013489,-0.017059326,0.009765625,-0.014503479,0.06463623,0.0395813,0.0009226799,0.037231445,0.03515625,0.03805542,0.0075035095,0.0057296753,-0.013587952,0.008911133,0.0035896301,0.02923584,0.0007224083,0.027359009,-0.04067993,0.02720642,0.009757996,0.03189087,-0.029022217,0.027679443,0.07562256,0.017929077,-0.020126343,0.043426514,-0.0028648376,-0.0014543533,-0.0071983337,-0.0262146,0.04940796,-0.001991272,0.0463562,0.035858154,0.010528564,-0.005367279,0.011009216,-0.022399902,-0.0127334595,0.056427002,0.03137207,-0.011779785,-0.013122559,-0.0030231476,0.004436493,-0.0368042,-0.03378296,0.01247406,-0.008010864,0.006629944,-0.017547607,-0.014724731,-0.024536133,0.017349243,0.019500732,0.0007185936,-0.015975952,0.013031006,0.03781128,-0.0043296814,0.02973938,-0.0059776306,0.024765015,-0.024017334,-0.02998352,0.027542114,0.021057129,-0.0118255615,-0.0082473755,0.01802063,0.013168335,0.044830322,0.03768921,-0.0127334595,0.014312744,0.0154418945,0.015838623,-0.005870819,0.04486084,0.035827637,0.011787415,0.03186035,0.030807495,0.04119873,-0.04107666,0.025634766,0.004436493,0.014419556,-0.010108948,-0.0070724487,-0.003200531,-0.012573242,0.016494751,0.005340576,-0.015014648,0.031036377,0.022628784,-0.0107421875,-0.0065307617,-0.005859375,0.012413025,-0.019332886,-0.009849548,0.0054016113,-0.0090789795,0.02418518,0.019760132,0.034454346,-0.022521973,0.015213013,-0.000119924545,-0.024414062,0.0013246536,0.023986816,-0.032562256,0.0031337738,-0.010253906,-0.00223732,-0.037139893,0.0132369995,0.022506714,-0.009254456,0.035217285,0.0071792603,-0.0041656494,-0.00806427,0.024047852,0.012130737,0.0057792664,-0.006576538,-0.02015686,0.041290283,0.03503418,-0.004333496,0.0033931732,-0.027053833,-0.0032043457,0.0077323914,-0.021255493,-0.001496315,-0.0034332275,-0.0206604,-0.019714355,0.010047913,0.043670654,0.03250122,0.05303955,-0.020492554,-0.008735657,0.009971619,0.03253174,0.005947113,0.0024719238,0.0017347336,0.0035133362,-0.020629883,0.04663086,0.02079773,0.011917114,0.027542114,-0.004878998,-0.007926941,0.005203247,-0.012199402,0.030029297,0.0030174255,0.002752304,-0.00995636,0.023880005,-0.009681702,-0.035461426,0.005012512,-0.010765076,-0.02746582,-0.018005371,0.0079193115,0.00957489,0.033325195,0.039764404,0.03564453,-0.02217102,0.059814453,-0.0073165894,0.049926758,-0.0061187744,-0.017440796,0.052886963,0.036956787,0.02494812,0.01876831,0.0042648315,-0.03213501,0.006603241,0.042663574,0.021453857,0.0102005005,0.0024089813,-0.022033691,0.03515625,-0.0035858154,0.0287323,0.005302429,0.007858276,0.021118164,-0.011764526,0.0033283234,-0.0039405823,0.002412796,0.0059547424,0.04837036,-0.037078857,-0.0046043396,-0.035491943,-0.009841919,0.022720337,-0.011138916,0.0015096664,0.011474609,-0.028793335,0.013404846,-0.016174316,-0.025253296,-0.00089740753,0.020477295,-0.041168213,-0.014022827,0.004463196,0.01586914,-0.025161743,0.030639648,0.012046814,-0.006713867,0.012321472,0.039855957,-0.007774353,0.032958984,-0.025680542,0.0209198,0.038208008,0.0069847107,-0.023849487,-0.0016059875,0.0011415482,-0.0101623535,0.0090789795,0.028442383,-0.018112183,0.012084961,-0.0070648193,-0.008605957,-0.0005364418,0.0035190582,-0.005744934,0.01083374,-0.0059394836,-0.010444641,-0.00025725365,0.009292603,-0.008018494,0.0066452026,-0.008262634,-0.022827148,-0.0048332214,0.030319214,0.014755249,-0.035888672,-0.011474609,0.0068092346,0.022338867,-0.022079468,-0.0107040405,-0.014556885,-0.033935547,0.020019531,0.02470398,-0.0028629303,0.009254456,-0.016860962,0.0017929077,0.020126343,0.015052795,0.024963379,0.0064926147,-0.009391785,0.014328003,-0.027038574,-0.0074310303,-0.0059051514,-0.0132751465,0.009277344,0.013656616,0.009422302,-0.025726318,0.02293396,-0.0015363693,0.016143799,0.0008354187,-0.009864807,0.02407837,-0.0038871765,-0.012191772,0.005104065,0.027832031,-0.012268066,-0.008590698,-0.01637268,0.03274536,0.046142578,-0.024459839,0.005130768,0.020309448,0.007888794,0.011886597,0.031829834,0.0002965927,0.0385437,0.020446777,-0.024154663,-0.021392822,0.02911377,-0.010253906,-0.036102295,0.012008667,-0.0049591064,-0.017166138,0.018692017,0.018234253,-0.0023918152,-0.030853271,-0.0023899078,-0.010292053,-0.01876831,0.0051841736,-0.007980347,0.014328003,-0.031341553,-0.006515503,0.0028648376,-0.024291992,-0.054473877,-0.022109985,0.0018129349,-0.011161804,-0.052124023,-0.003232956,-0.026916504,0.00053310394,-0.03237915,-0.0041770935,-0.012626648,0.028213501,-0.027862549,0.0033035278,-0.0015907288,0.020446777,0.029220581,0.000009119511,0.03125,-0.01826477,-0.024536133,-0.017684937,-0.0005950928,-0.010169983,0.014862061,0.005142212,0.04031372,0.028427124,-0.007980347,0.00062799454,-0.015838623,0.0043525696,-0.008277893,-0.03451538,-0.018478394,0.033355713,0.010391235,-0.017318726,-0.010734558,0.04144287,-0.029815674,-0.008041382,0.023788452,0.048217773,0.006855011,0.024337769,-0.013442993,0.0035037994,-0.008926392,0.011054993,-0.012962341,0.005569458,0.01676941,0.004966736,-0.008262634,0.004714966,0.022842407,-0.017868042,-0.0033473969,0.028152466,0.004146576,-0.010688782,0.033477783,0.017349243,0.0069465637,-0.023086548,-0.009017944,0.02746582,0.040893555,0.008102417,0.014038086,0.0029239655,0.010101318,-0.01083374,0.010696411,0.018035889,-0.023025513,-0.036468506,-0.01777649,-0.01979065,0.027435303,0.0036411285,0.0013856888,-0.008453369,0.017318726,-0.017150879,-0.025100708,-0.01890564,0.026260376,0.007297516,-0.01763916,-0.008514404,-0.0012207031,0.010528564,-0.02897644,-0.001455307,-0.045196533,-0.028320312,-0.0022563934,-0.029556274,0.015136719,0.017578125,-0.009140015,-0.001914978,-0.00374794,-0.001288414,-0.008773804,0.028945923,-0.009902954,-0.008522034,0.031204224,0.019500732,-0.006526947,0.01864624,-0.0019235611,0.0018081665,0.017242432,-0.0024795532,0.008926392,-0.028182983,0.028427124,-0.009223938,0.0029850006,0.03970337,-0.008262634,0.012611389,-0.03164673,0.009346008,-0.010070801,-0.010566711,0.034942627,-0.03387451,-0.016464233,0.012702942,-0.018966675,-0.027862549,0.00041484833,0.028396606,0.04171753,-0.0051345825,0.04916382,-0.010246277,-0.009384155,0.00856781,0.012550354,-0.013870239,0.0040512085,0.03390503,-0.0034675598,-0.0011329651,-0.005504608,-0.021881104,-0.020141602,-0.003042221,0.018218994,0.0037670135,-0.0065689087,0.034484863,0.016952515,0.054107666,-0.0054740906,0.017425537,0.0048332214,0.00051784515,0.025894165,0.017333984,0.053527832,-0.0011558533,-0.02746582,0.0068740845,0.0020618439,-0.026000977,-0.0017995834,-0.009292603,0.005935669,-0.04925537,0.0178833,-0.009147644,0.021850586,-0.029907227,0.021194458,-0.02558899,-0.011833191,-0.0362854,-0.007255554,-0.032348633,0.00034070015,0.037078857,-0.008262634,0.032409668,0.0058937073,-0.03164673,0.016662598,0.043121338,0.003698349,-0.03555298,0.011199951,0.0079422,-0.005634308,0.016204834,0.0065307617,-0.020126343,-0.029800415,0.0054855347,-0.01411438,0.013122559,0.0030212402,0.031341553,0.0127334595,-0.0014705658,-0.0021972656,0.036895752,-0.005710602,0.001455307,0.013504028,-0.0017528534,0.03967285,0.030273438,-0.0127334595,0.02078247,0.022598267,-0.03756714,0.056274414,0.010826111,0.020126343,-0.017562866,0.008758545,-0.046569824,-0.023666382,-0.019577026,0.014595032],"createdAt":"2026-04-18T18:38:18.861Z","updatedAt":"2026-04-22T11:31:10.598Z","lastSeenAt":"2026-04-22T11:31:10.598Z","tsv":"'/api':163 '/api/v1/generate/resource/130':84,203 '/docs':162 '/pricing':164 '/readme':166 '/request':13,28 '0.02':12,27,106,152 '000':100 '20':99 '402':94 'Base network API' 'USDC micropayment API' 'access':90,208 'advertis':111 'agent':226 'ai':121 'ai/ml':49 'analysi':125 'analyt':48,115 'api':5,20,37,71,89,207 'avail':193 'base':8,23,67,101 'behind':201 'broad':42 'call':4,19,108 'catalog':43 'categori':112 'challeng':95 'classif':128 'connect':172 'content':197 'convers':145 'crawl':196 'crypto-paid API' 'data':47,52,114,118 'detail':179,238 'document':157,188,234 'embed':129 'enabl':36 'endpoint':45,57,82,148,221,235 'estim':139 'exact':199 'exampl':192 'exchang':134 'export':119 'extrem':159 'feed':133 'financ':130 'finance/web3':51 'function':200 'gas':138 'generat':146 'geocod':143 'i.e':105 'includ':113 'infer':50 'infrastructur':141 'insight':120 'json-response' 'key':72 'label':205 'land':224 'learn':123 'limit':75 'list':86 'low':233 'low-document':232 'lowpaymentfee' 'lowpaymentfee.com':31 'machin':122 'map':214 'metric':116 'name':220 'network':9,24,68 'no-api-key' 'obvious':215 'offer':40 'openapi':183 'page':167,225 'paid':59 'path':204 'pay':2,17 'pay-per-cal':1,16 'pay-per-call API' 'pay-per-request' 'per':3,18,61,107,154 'per-request':60,153 'platform':6,21,38,110 'post-method' 'premium':88,206 'premium API access' 'price':132,156 'prompt':174 'publish':240 'quot':137 'rate':74,135 'render':169 'report':117 'request':62,96,155 'request/response':186 'requir':79 'return':92 'schema':187 'sentiment':124 'servic':55 'share':149 'span':46 'spars':160 'spec':184 'specif':81 'subscript':78 'summar':127 'technic':178 'text':126 'token':136 'treat':228 'unclear':210 'unit':102 'usag':191 'usdc':15,30,64,104 'usdc-base-network' 'use':63 'util':54,142 'valid':144 'via':10,25 'wallet':173 'web3':131 'x402':11,26,35 'x402 API' 'x402-enabled':34 'x402-payment'","prices":[{"id":"ee36e2d0-962b-4d68-ac30-0a08a452321d","listingId":"92818542-f352-4ba3-8e4d-23bdaa2fd08a","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/generate/resource/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":"2026-04-18T18:38:18.861Z"}],"sources":[{"listingId":"92818542-f352-4ba3-8e4d-23bdaa2fd08a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/generate/resource/130","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:38:18.861Z","lastSeenAt":"2026-04-22T11:31:10.598Z"}],"details":{"listingId":"92818542-f352-4ba3-8e4d-23bdaa2fd08a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/130 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\n  -d '{}'","exampleRequest":{"url":"https://lowpaymentfee.com/api/v1/generate/resource/130","body":{},"method":"POST","headers":{"X-PAYMENT":"<x402-payment-header>","Content-Type":"application/json"}},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"All endpoints 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 x402 challenge for resource/130 requests maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base network.","source_url":"https://lowpaymentfee.com/api/v1/generate/resource/130"},{"claim":"Platform offers endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories.","source_url":"https://lowpaymentfee.com"}],"useCases":["Programmatic access to utility or generation endpoints without managing API keys","Agent-driven workflows that need on-demand paid API calls settled in USDC on Base","Testing x402 payment flows against a low-cost live endpoint"],"bestFor":["Developers experimenting with x402 payment protocol integrations","AI agents that can autonomously pay for API calls via Base USDC","Use cases requiring keyless, pay-as-you-go API access"],"notFor":["Production workloads requiring well-documented request/response schemas","Users who need fiat-only payment options (endpoint requires on-chain USDC on Base)","Applications needing guaranteed SLAs or support contracts"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:42.309Z"},"updatedAt":"2026-04-22T11:31:10.598Z"}}