{"id":"3dd3e728-8367-42d2-8cd2-0758133a944a","shortId":"TmmDvg","kind":"x402","title":"x402-gated API platform on Base offering data, AI, finance, and utility endpoints at $0.02/request via USDC.","tagline":"x402-gated API platform on Base offering data, AI, finance, and utility endpoints at $0.02/request via USDC.","description":"lowpaymentfee.com is an x402 protocol API marketplace that gates access to a variety of endpoints behind per-request USDC micropayments on the Base network. The specific endpoint at `/api/v1/stripe/charges/64` is listed as \"Premium API Access\" and requires a payment of up to 20,000 base units of USDC (0.02 USD) per call. Payment is made via the x402 exact scheme — no API keys, no rate limits, and no subscriptions required.\n\nThe broader platform advertises four categories of APIs: 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 are listed at the same $0.02/request price point. The endpoint accepts HTTP POST requests and returns application/json responses.\n\nDocumentation beyond the landing page is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no detailed documentation available from the crawl. The actual behavior and response format of this specific endpoint (`stripe/charges/64`) is unclear from the available material; the name suggests it may relate to Stripe charge operations, but this is speculative.","tags":[],"capabilities":["x402-payment","usdc-micropayment","base-network","per-request-pricing","no-api-key","http-post","json-response"],"categories":["api-marketplace","finance"],"synonyms":["x402 API","micropayment API","pay-per-request API","USDC API access","Base network API","lowpaymentfee","stripe charges API"],"warnings":["No OpenAPI schema or detailed documentation available — all doc pages render only 'Connect wallet'","The specific purpose and expected request/response format of /api/v1/stripe/charges/64 is unclear","No request body schema or response examples could be found","The endpoint name references 'stripe/charges' which may imply interaction with Stripe payment infrastructure, but this is unconfirmed"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/charges/64","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/64","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no request/response examples, and documentation pages are empty beyond a wallet-connect prompt. The purpose of this specific endpoint (stripe/charges/64) is ambiguous. 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":"2026-04-19T09:33:33.259Z","embedding":[-0.034057617,-0.016937256,0.009681702,-0.0028629303,0.0040512085,-0.014053345,-0.04019165,0.019515991,0.04534912,-0.066833496,0.032348633,-0.0317688,-0.051818848,-0.0357666,-0.031982422,-0.0068740845,-0.02305603,0.018234253,-0.053222656,0.05331421,0.043304443,-0.020568848,-0.007534027,0.018630981,-0.011268616,-0.016738892,0.013381958,-0.01322937,-0.03955078,-0.019577026,0.016845703,-0.027297974,-0.003648758,0.0069847107,0.009811401,-0.027816772,0.0005159378,0.04067993,0.02772522,-0.0011959076,0.0012969971,-0.061645508,0.016067505,-0.011421204,-0.03201294,-0.0065689087,0.028533936,-0.015853882,-0.00025057793,-0.00084638596,-0.04135132,-0.022277832,-0.026931763,0.016738892,0.024353027,0.023071289,0.010528564,-0.020339966,0.017318726,0.028579712,0.014183044,-0.05999756,-0.0034332275,-0.006839752,0.003616333,0.068847656,-0.005645752,0.051361084,0.0029582977,0.06854248,0.026519775,0.027862549,0.037902832,0.0031089783,0.0038661957,-0.022994995,-0.004135132,0.06427002,-0.020202637,0.011680603,-0.018127441,-0.0046958923,-0.066833496,-0.03274536,-0.011528015,-0.068237305,-0.016830444,-0.004043579,-0.03765869,0.028869629,-0.08081055,-0.01965332,-0.016204834,0.004398346,-0.007965088,-0.005569458,-0.0112838745,0.004211426,0.010482788,0.0045776367,0.0009841919,-0.040893555,-0.006324768,0.01637268,0.041534424,0.027053833,0.016586304,0.04849243,-0.0023155212,-0.0113220215,-0.0317688,0.015281677,-0.017150879,-0.035186768,0.015731812,0.016677856,-0.013435364,0.033325195,-0.025558472,0.015335083,-0.06506348,0.038757324,0.025360107,0.005558014,0.01499939,-0.035614014,-0.0051879883,0.012779236,-0.053100586,-0.025939941,0.03074646,0.0073394775,0.025299072,-0.035247803,-0.027267456,-0.006160736,-0.008491516,-0.026504517,-0.046722412,-0.016342163,0.040039062,-0.025024414,0.028961182,0.021240234,-0.08746338,-0.003288269,-0.045959473,0.029006958,-0.047424316,-0.0038528442,0.029571533,0.03552246,-0.007911682,-0.01979065,-0.027938843,-0.031097412,-0.01776123,0.02986145,-0.009185791,0.02230835,-0.02279663,0.024841309,0.024795532,0.013000488,-0.00021827221,0.02696228,-0.014732361,-0.091918945,-0.07824707,-0.03503418,-0.013839722,-0.024902344,-0.034301758,-0.008682251,-0.020950317,-0.072143555,-0.029937744,-0.021697998,0.015319824,-0.04724121,-0.011329651,-0.02017212,0.005672455,-0.02810669,-0.058654785,0.00012993813,-0.022567749,0.05908203,0.015808105,0.031311035,0.00932312,0.014022827,0.059020996,0.031799316,-0.017288208,-0.0395813,0.021484375,-0.025177002,0.04498291,0.002281189,0.008705139,-0.03060913,0.036987305,0.05178833,0.015144348,-0.02772522,-0.0077056885,-0.04046631,-0.030685425,-0.024993896,0.0032348633,-0.0071983337,-0.034179688,0.030471802,-0.03265381,-0.027267456,-0.008346558,0.0017814636,0.020980835,0.053619385,0.012931824,0.01625061,0.008201599,0.013717651,-0.042938232,0.048706055,0.027862549,0.0129852295,-0.0064697266,-0.031204224,0.024734497,0.040863037,-0.04083252,-0.006690979,-0.019943237,-0.0021266937,-0.0044670105,-0.01939392,0.01360321,-0.023040771,-0.024246216,-0.015304565,-0.010528564,0.017929077,0.015670776,-0.03074646,-0.0473938,-0.080444336,0.031982422,0.038757324,0.041015625,-0.0012598038,-0.018722534,-0.019927979,-0.019180298,-0.08154297,0.055847168,0.07299805,0.0017118454,-0.010513306,0.039245605,-0.0059890747,-0.044952393,-0.0059509277,-0.0014677048,-0.017059326,-0.025726318,0.030151367,-0.051208496,-0.0004172325,0.029785156,0.027404785,0.0513916,-0.025558472,-0.03427124,-0.031341553,-0.003320694,0.00014126301,-0.022018433,0.01878357,-0.00022542477,0.01071167,0.032409668,0.0054473877,0.017654419,0.014328003,0.025054932,-0.030044556,-0.0032958984,-0.017715454,-0.01550293,0.023635864,-0.000054895878,-0.041870117,0.02545166,-0.019439697,0.06555176,-0.04446411,0.027679443,-0.0037288666,0.029296875,0.031951904,-0.0003015995,-0.031585693,-0.0041122437,0.017745972,0.020828247,0.04949951,0.01525116,-0.002090454,-0.016647339,0.049316406,-0.009788513,-0.008049011,-0.0048942566,0.032196045,0.043792725,0.017684937,-0.06536865,-0.04547119,-0.0013027191,-0.030929565,0.03942871,-0.032348633,0.04095459,-0.024856567,0.0026187897,-0.037597656,0.014770508,-0.05001831,0.025604248,-0.030670166,-0.004234314,-0.0069274902,-0.03213501,0.0017967224,0.011909485,-0.0024223328,0.00756073,0.039794922,0.019104004,-0.032165527,-0.031143188,-0.011528015,-0.014984131,-0.011062622,0.019058228,0.0025138855,0.033935547,0.03289795,-0.043518066,0.0068244934,0.008644104,-0.008293152,0.016937256,-0.008720398,0.008804321,-0.058288574,-0.03982544,-0.024551392,-0.039611816,0.02104187,-0.003993988,0.008262634,0.04498291,-0.0016670227,-0.023101807,-0.037872314,0.0107040405,-0.0569458,0.013717651,0.024490356,-0.013183594,-0.04940796,0.003692627,0.0018510818,0.0030822754,0.045166016,0.0057144165,0.008560181,0.06652832,0.01902771,0.024047852,0.013877869,0.009262085,0.03274536,0.0018014908,-0.00894165,-0.04095459,-0.012321472,0.026031494,-0.024246216,-0.028656006,-0.06567383,0.04360962,0.031143188,0.06549072,0.011795044,0.009117126,0.024841309,0.0012617111,0.0121154785,-0.031341553,-0.006008148,-0.036743164,-0.031463623,0.015991211,-0.01309967,-0.005443573,-0.0390625,0.03010559,-0.013801575,0.007774353,-0.033477783,0.04550171,-0.023406982,0.0033397675,-0.0014009476,0.022903442,0.07122803,0.06085205,-0.05822754,0.0031394958,0.013801575,-0.022109985,0.007888794,0.04949951,-0.0039024353,-0.024169922,-0.061340332,-0.03265381,-0.0012521744,-0.019226074,-0.072387695,0.0051879883,0.014183044,0.034942627,0.014381409,0.010154724,-0.045684814,0.010360718,-0.03540039,-0.054870605,0.00039243698,-0.058166504,0.012374878,0.03488159,-0.04626465,0.014343262,-0.020614624,0.0033073425,-0.0061798096,0.0031204224,0.006832123,-0.0016412735,-0.04660034,0.034362793,0.0043678284,0.016784668,0.01600647,0.05203247,0.0418396,0.0026626587,0.045684814,0.0037994385,-0.017578125,-0.0496521,0.017044067,-0.026290894,0.011314392,0.011619568,-0.016921997,0.0025672913,-0.0052719116,-0.041381836,-0.02432251,0.0070648193,-0.024658203,0.0008044243,0.009529114,-0.04473877,-0.015586853,-0.060516357,-0.024749756,-0.00831604,0.093933105,0.0032730103,-0.010070801,-0.0715332,-0.00982666,0.033996582,0.005054474,0.035308838,-0.015335083,-0.026229858,-0.018417358,-0.039154053,-0.015640259,-0.037261963,0.02482605,0.002840042,-0.020446777,0.012687683,0.017059326,0.01914978,-0.0006260872,0.00497818,0.018432617,-0.012161255,-0.0107803345,-0.031463623,0.0032672882,0.010032654,-0.0044021606,-0.042297363,0.053741455,-0.002878189,0.04864502,-0.037139893,-0.007972717,-0.0121536255,0.010620117,0.020828247,-0.024017334,-0.0055999756,0.011070251,-0.035980225,-0.061279297,0.012916565,-0.020217896,0.008605957,0.004234314,0.009185791,0.042877197,-0.011672974,0.018417358,0.0059394836,-0.028686523,0.000729084,-0.010932922,-0.02760315,-0.015655518,0.0059394836,-0.020843506,0.010574341,-0.012275696,0.008560181,-0.013259888,-0.017837524,0.038391113,0.03060913,0.006034851,0.041046143,0.0014419556,0.021697998,0.0463562,0.008834839,-0.04586792,0.025054932,0.0034122467,-0.000030875206,-0.011604309,0.03074646,0.029541016,-0.01713562,-0.002696991,-0.0016536713,0.0003464222,-0.0047187805,-0.012161255,0.022567749,0.03100586,0.011642456,-0.037841797,0.014862061,0.013473511,-0.01576233,-0.020950317,0.021514893,0.019729614,-0.033325195,0.02217102,0.029006958,0.048431396,-0.026382446,0.007484436,0.0058403015,0.045440674,0.02180481,0.007205963,0.00043034554,0.009056091,-0.01852417,0.0054512024,0.0050811768,-0.01197052,0.009376526,-0.0021152496,0.021148682,0.031677246,0.002067566,-0.022918701,-0.024337769,0.011482239,-0.004714966,-0.02645874,0.026763916,0.017181396,0.020965576,-0.012481689,0.039154053,0.035186768,-0.035369873,-0.016036987,0.0046920776,0.027923584,-0.018447876,-0.0040664673,0.024215698,-0.00623703,0.039916992,-0.06652832,0.0015983582,0.004020691,0.02166748,-0.014427185,-0.038330078,-0.040130615,-0.005142212,0.040863037,0.0076408386,0.01348114,0.03564453,0.018371582,0.00045251846,0.02217102,0.010887146,0.0068473816,-0.007633209,-0.059631348,-0.018463135,-0.0152282715,0.009742737,-0.03289795,0.014381409,-0.023208618,-0.035614014,0.024398804,-0.023651123,0.009010315,0.004348755,0.015586853,0.026000977,0.010559082,0.016204834,0.0009050369,-0.029083252,-0.0073928833,-0.010604858,0.039123535,-0.013496399,0.0056877136,-0.018844604,-0.0019626617,-0.0064926147,0.003873825,0.018081665,0.03781128,0.0037994385,0.023590088,-0.028900146,0.050048828,-0.028503418,0.014480591,-0.008995056,-0.027893066,-0.024810791,-0.03237915,-0.020629883,0.03475952,-0.024093628,0.008850098,-0.008865356,-0.03375244,-0.005554199,-0.05545044,0.009155273,0.025924683,0.045654297,-0.034973145,0.0054855347,0.0039138794,0.016815186,-0.019577026,0.0028419495,-0.0059776306,0.0042152405,0.03225708,0.011062622,-0.008262634,-0.009162903,-0.018112183,0.0006532669,-0.064453125,-0.054870605,-0.012687683,0.019195557,0.004096985,-0.01146698,-0.018661499,-0.036010742,-0.005203247,-0.034576416,0.02432251,-0.0028953552,0.031173706,0.0066604614,-0.030471802,-0.005065918,0.01499939,-0.02331543,0.018844604,-0.012962341,-0.008583069,-0.03161621,-0.0027160645,0.027496338,0.008468628,0.016693115,-0.022964478,0.0014724731,-0.01914978,-0.043884277,0.013664246,-0.01448822,0.0057373047,0.007019043,0.007133484,-0.04849243,-0.017105103,-0.01637268,-0.0045394897,0.012138367,0.01927185,0.010055542,-0.01689148,-0.0034370422,-0.0032691956,-0.0101623535,-0.029174805,0.0068092346,0.011276245,0.015792847,0.020355225,0.037628174,-0.012535095,-0.00097084045,-0.014732361,0.0050621033,0.038238525,-0.031173706,0.023345947,-0.0047340393,0.011947632,-0.009742737,-0.0019245148,-0.031066895,-0.0026988983,0.05908203,0.013839722,0.0079574585,0.0048942566,-0.0055351257,0.016998291,0.027832031,-0.041778564,-0.0042037964,-0.04171753,0.030792236,-0.0138549805,0.003944397,-0.0022258759,0.020568848,-0.018844604,-0.05834961,-0.005847931,0.009674072,-0.009353638,-0.0597229,-0.01576233,-0.0637207,-0.0027866364,-0.018997192,-0.02166748,-0.012840271,0.0047950745,-0.022445679,-0.07965088,0.016403198,0.049591064,0.010848999,0.028244019,-0.0042266846,0.03060913,0.03579712,-0.006111145,-0.0018529892,0.026794434,-0.01727295,-0.025650024,-0.013053894,0.038635254,-0.0103302,-0.018737793,0.004497528,0.02255249,0.024124146,0.011878967,0.022216797,-0.020065308,0.021408081,0.016448975,0.004272461,-0.007499695,-0.021072388,0.03857422,-0.05480957,0.019989014,0.002210617,-0.0110321045,-0.0023021698,0.02659607,0.0385437,-0.03414917,-0.0027770996,0.02166748,0.00466156,0.045074463,-0.02331543,0.04788208,0.018493652,-0.0018663406,-0.00070762634,-0.004096985,-0.0049095154,-0.03353882,-0.03918457,0.031799316,0.011039734,-0.000062167645,-0.009994507,-0.0070991516,0.01020813,-0.0072135925,0.0023155212,-0.024337769,0.0030460358,-0.005001068,0.008872986,0.009384155,0.014091492,0.0053215027,0.029891968,0.014915466,0.034454346,0.0001360178,-0.0025138855,0.0099105835,0.038757324,-0.003900528,-0.0005378723,0.022216797,0.022277832,0.02772522,0.0158844,0.0146484375,-0.03326416,-0.010528564,0.0053253174,-0.0029468536,0.0017728806,-0.018798828,0.014732361,-0.011169434,0.010475159,-0.0075912476,-0.027404785,0.004432678,-0.018325806,-0.026473999,-0.014122009,-0.012893677,0.017974854,0.0045280457,-0.003566742,0.02708435,0.00041484833,0.06817627,-0.005241394,0.008338928,0.03704834,0.03515625,0.022079468,-0.03387451,-0.0017595291,-0.008392334,0.0037021637,0.007484436,-0.021636963,0.015159607,0.04446411,-0.013442993,0.026382446,-0.00381279,0.01058197,0.00223732,0.009918213,-0.0115737915,0.00983429,-0.022415161,0.046661377,-0.04800415,0.03173828,0.026657104,0.0070991516,-0.001871109,-0.019180298,-0.025253296,0.027496338,0.010978699,0.0033283234,0.03845215,-0.009361267,0.01864624,-0.025543213,-0.026626587,-0.00049877167,-0.021759033,-0.03302002,0.014839172,-0.00035238266,0.007965088,0.0023269653,-0.023468018,0.025878906,-0.03652954,0.015899658,0.008079529,0.0043411255,-0.019302368,-0.018630981,-0.004425049,-0.026351929,-0.020553589,0.012931824,-0.0012950897,0.024276733,0.024139404,0.011016846,0.04043579,0.006954193,-0.0031337738,-0.02381897,-0.020111084,-0.0036621094,-0.026123047,-0.0032100677,-0.0095825195,0.029190063,0.052703857,0.01574707,0.030258179,0.03491211,0.037750244,-0.0006136894,0.023284912,-0.023254395,0.022445679,-0.029144287,0.023590088,0.0056877136,0.02796936,-0.022583008,0.0032787323,-0.009437561,0.026947021,-0.019042969,0.018478394,0.07684326,0.02420044,-0.01260376,0.050964355,-0.013496399,-0.008644104,-0.022857666,-0.018966675,0.07244873,0.030258179,0.04559326,0.03881836,0.0011587143,-0.0032958984,0.018707275,-0.030471802,-0.005935669,0.05102539,0.014038086,-0.0345459,-0.013145447,-0.010787964,0.012550354,-0.032073975,-0.0146484375,0.017059326,-0.0129776,0.005092621,-0.011878967,-0.0067329407,-0.0065345764,0.0053215027,0.0013542175,0.006214142,-0.018936157,-0.000024139881,0.018859863,0.004047394,0.025894165,0.011001587,0.032836914,-0.03265381,-0.02305603,0.0032291412,0.012626648,0.006259918,0.017166138,0.037902832,0.023971558,0.025527954,0.030792236,-0.019256592,-0.009742737,0.025604248,0.008842468,-0.004558563,0.044311523,0.046051025,0.0154418945,0.03111267,0.043060303,0.032043457,-0.03451538,0.012451172,-0.0099487305,0.00894928,-0.0010585785,-0.02027893,0.012123108,0.004699707,0.009117126,-0.0044288635,-0.0014667511,0.03289795,0.025390625,-0.018981934,-0.006160736,-0.0010004044,0.013397217,-0.009521484,0.009422302,0.0004081726,-0.020584106,0.020614624,0.032958984,0.0335083,-0.04071045,0.02558899,0.0031204224,-0.022232056,-0.008834839,0.0011262894,-0.033447266,0.01109314,-0.01448822,-0.005332947,-0.033172607,0.009361267,0.005214691,-0.0051841736,0.0121154785,0.0067100525,-0.009536743,-0.00052928925,0.017333984,0.025466919,-0.011764526,-0.010017395,-0.0011730194,0.021713257,0.048675537,-0.0036468506,0.0035305023,-0.0231781,-0.00064229965,0.018707275,-0.008323669,-0.011436462,0.009002686,-0.01235199,-0.015304565,0.022384644,0.039764404,0.025222778,0.039794922,-0.011688232,-0.008621216,0.008399963,0.020492554,0.010238647,-0.0034999847,0.018997192,0.023849487,-0.008255005,0.03842163,0.03250122,0.0024375916,0.022140503,-0.00033426285,0.0038089752,0.003944397,-0.03353882,0.021743774,-0.029464722,0.010604858,-0.013053894,0.01763916,-0.020751953,-0.03567505,0.011077881,-0.00573349,-0.024932861,-0.027709961,0.015357971,0.0060577393,0.018936157,0.031799316,0.032989502,-0.027648926,0.0637207,-0.0057678223,0.064819336,-0.0010299683,0.0018634796,0.049926758,0.04043579,0.041534424,0.002986908,0.01727295,-0.01651001,-0.001786232,0.03741455,0.024169922,0.007980347,0.016204834,-0.0066184998,0.05404663,-0.00932312,0.03189087,-0.019989014,0.0010528564,0.0062675476,-0.00039291382,-0.006816864,-0.0029144287,-0.0059890747,0.02067566,0.060638428,-0.030258179,-0.023742676,-0.03756714,-0.014251709,0.022155762,-0.011924744,0.012550354,-0.00014233589,-0.020568848,0.013702393,-0.03164673,-0.02116394,0.022277832,0.029067993,-0.04168701,-0.0317688,0.010902405,0.025009155,-0.020706177,0.03100586,0.022125244,-0.010528564,0.005001068,0.052001953,0.0013618469,0.048919678,0.00035619736,0.027023315,0.043762207,0.0038661957,-0.021987915,-0.0028533936,0.020980835,-0.0033779144,0.0143966675,0.03591919,-0.0010147095,0.0082473755,0.0029563904,-0.022354126,-0.00092315674,0.009613037,-0.017074585,0.0012655258,0.0037059784,-0.013168335,0.009597778,0.009475708,0.0067596436,0.0007815361,-0.0029582977,-0.0118255615,0.0065574646,0.01687622,0.032928467,-0.040008545,0.00233078,0.017868042,-0.0107040405,-0.01928711,-0.012428284,-0.0048103333,-0.03387451,0.017181396,0.02885437,0.024642944,0.0039749146,-0.025909424,0.0034427643,0.040405273,0.018112183,0.019042969,0.016296387,-0.014533997,0.010971069,-0.01802063,-0.010566711,-0.005897522,0.0019512177,0.003194809,0.019577026,-0.009864807,-0.017074585,0.03137207,0.009971619,0.01864624,-0.0006971359,-0.0019569397,0.025024414,-0.0079193115,-0.022628784,0.00969696,0.0105896,0.0007867813,-0.021575928,-0.021072388,0.031219482,0.046539307,-0.006603241,0.003665924,0.017852783,0.024169922,0.029571533,0.037261963,0.016601562,0.040252686,0.026611328,-0.0038433075,-0.010345459,0.026916504,-0.008384705,-0.027389526,0.021820068,-0.0040397644,-0.03314209,0.029037476,-0.000073850155,-0.010437012,-0.029968262,-0.022262573,-0.0070381165,-0.016403198,0.017181396,-0.00082302094,0.018676758,-0.027709961,-0.012130737,-0.00048613548,-0.010681152,-0.04663086,-0.011230469,-0.016296387,-0.017044067,-0.04940796,0.0052261353,-0.023986816,0.007633209,-0.026733398,-0.0051841736,-0.007850647,0.02293396,-0.016784668,0.0039482117,-0.004890442,0.038757324,0.01058197,0.016433716,0.0025939941,-0.015289307,-0.015068054,-0.007080078,-0.0075531006,-0.019256592,0.031585693,-0.009849548,0.04232788,-0.0025081635,-0.018234253,0.0022888184,-0.0076141357,-0.005722046,0.005367279,-0.022079468,-0.028930664,0.016738892,0.029571533,-0.020370483,0.002002716,0.046142578,-0.01902771,-0.02305603,0.020935059,0.037109375,0.021911621,0.035247803,-0.010185242,0.0025806427,-0.03010559,0.00018548965,-0.010734558,0.0023536682,-0.0011062622,-0.0041046143,0.0050201416,0.012306213,0.014129639,-0.008125305,-0.027069092,0.025024414,0.019989014,-0.018341064,0.0435791,0.027297974,0.013259888,-0.015266418,-0.0057258606,0.020568848,0.054107666,0.010322571,0.016967773,-0.010292053,0.012870789,-0.011039734,0.017852783,0.003282547,-0.011444092,-0.040527344,-0.025299072,-0.016204834,0.011711121,-0.0067977905,0.02494812,-0.011100769,0.021270752,-0.006160736,-0.029251099,-0.014091492,0.021087646,-0.000023841858,-0.0211792,-0.012329102,0.015777588,0.012466431,-0.028793335,0.012168884,-0.041534424,-0.025466919,-0.015556335,-0.012306213,0.041503906,0.0033721924,-0.004962921,0.0033626556,0.003358841,-0.004501343,-0.0054893494,0.03213501,-0.009391785,0.0028896332,0.020080566,0.032958984,-0.015052795,0.014678955,0.004207611,-0.0063438416,0.016525269,-0.013160706,0.026794434,-0.010192871,0.045074463,0.018844604,0.003873825,0.030395508,-0.00831604,0.011955261,-0.011726379,-0.01889038,-0.0041999817,0.0032634735,0.029968262,-0.010421753,-0.017822266,0.005088806,-0.013267517,-0.029388428,0.008850098,0.018051147,0.046783447,-0.0335083,0.053009033,-0.01675415,-0.0030078888,-0.01676941,0.0101623535,-0.012763977,-0.0030326843,0.019378662,0.007751465,0.006706238,-0.018234253,-0.018814087,-0.016845703,-0.01247406,0.0077934265,-0.012573242,-0.009239197,-0.00040125847,0.016357422,0.042663574,0.0018548965,0.01651001,0.030639648,0.0047683716,0.033050537,-0.006793976,0.03515625,-0.0041046143,-0.018569946,-0.00026154518,-0.000055730343,-0.011276245,0.0020637512,-0.0020198822,0.013679504,-0.034301758,0.011199951,-0.004737854,0.042236328,-0.027938843,0.013023376,-0.023895264,0.003200531,-0.031433105,0.015174866,-0.029541016,0.0016517639,0.037994385,-0.0016956329,0.012718201,0.0013065338,-0.020843506,0.027938843,0.044799805,-0.000048041344,-0.034301758,-0.006401062,0.016448975,-0.0037288666,-0.008216858,0.011306763,-0.02381897,-0.01637268,-0.0077209473,-0.017089844,-0.0016498566,-0.006717682,0.013168335,0.017105103,0.0054740906,-0.0154800415,0.0284729,-0.0132369995,0.00793457,-0.008094788,0.0024032593,0.034698486,0.031463623,-0.029510498,0.02355957,0.008392334,-0.023361206,0.047607422,-0.02142334,0.013931274,-0.020217896,0.0020542145,-0.023620605,-0.011161804,-0.00006967783,0.00856781],"createdAt":"2026-04-18T18:54:30.046Z","updatedAt":"2026-04-22T18:32:10.251Z","lastSeenAt":"2026-04-22T18:32:10.251Z","tsv":"'/api':182 '/api/v1/stripe/charges/64':68 '/docs':181 '/pricing':183 '/readme':185 '/request':17,36,159 '0.02':16,35,88,158 '000':83 '20':82 'Base network API' 'USDC API access' 'accept':164 'access':48,74 'actual':215 'advertis':113 'ai':10,29,125 'analysi':129 'analyt':119 'api':4,23,44,73,101,117 'application/json':170 'avail':210,229 'base':7,26,62,84 'base-network' 'behavior':216 'behind':54 'beyond':173 'broader':111 'call':91 'categori':115 'charg':239 'classif':132 'connect':191 'content':197 'convers':149 'crawl':213 'data':9,28,118,122 'detail':208 'document':172,209 'embed':133 'endpoint':14,33,53,66,152,163,223 'estim':143 'exact':98 'exampl':205 'exchang':138 'export':123 'extrem':178 'feed':137 'financ':11,30,134 'format':219 'four':114 'gas':142 'gate':3,22,47 'generat':150 'geocod':147 'http':165 'http-post' 'infrastructur':145 'insight':124 'json-response' 'key':102 'land':175 'learn':127 'limit':105 'list':70,154 'lowpaymentfee' 'lowpaymentfee.com':39 'machin':126 'made':94 'marketplac':45 'materi':230 'may':235 'metric':120 'micropay':59 'micropayment API' 'name':232 'network':63 'no-api-key' 'offer':8,27 'openapi':201 'oper':240 'page':176,186 'pay-per-request API' 'payment':78,92 'per':56,90 'per-request':55 'per-request-pricing' 'platform':5,24,112 'point':161 'post':166 'premium':72 'price':136,160 'prompt':193 'protocol':43 'quot':141 'rate':104,139 'relat':236 'render':188 'report':121 'request':57,167 'request/response':204 'requir':76,109 'respons':171,218 'return':169 'schema':202 'scheme':99 'sentiment':128 'spars':179 'specif':65,222 'specul':244 'stripe':238 'stripe charges API' 'stripe/charges/64':224 'subscript':108 'substant':196 'suggest':233 'summar':131 'text':130 'token':140 'unclear':226 'unit':85 'usd':89 'usdc':19,38,58,87 'usdc-micropayment' 'util':13,32,146 'valid':148 'varieti':51 'via':18,37,95 'wallet':192 'web3':135 'x402':2,21,42,97 'x402 API' 'x402-gated':1,20 'x402-payment'","prices":[{"id":"9568d434-4c2a-4f86-aa42-3cab99053306","listingId":"3dd3e728-8367-42d2-8cd2-0758133a944a","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/64","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:54:30.046Z"}],"sources":[{"listingId":"3dd3e728-8367-42d2-8cd2-0758133a944a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/charges/64","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:54:30.046Z","lastSeenAt":"2026-04-22T18:32:10.251Z"}],"details":{"listingId":"3dd3e728-8367-42d2-8cd2-0758133a944a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/64 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","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 x402Version 1, accepting USDC on Base network with maxAmountRequired of 20000 base units ($0.02)","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/64"},{"claim":"The platform lists APIs across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories, all at $0.02/request","source_url":"https://lowpaymentfee.com"},{"claim":"The platform advertises no API keys, no rate limits, instant access, and Base network settlement","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/64"}],"useCases":["Accessing premium API endpoints without traditional API key registration","Making per-request micropayments for data or utility services","Integrating x402-compatible agents with pay-as-you-go API services"],"bestFor":["Developers wanting zero-signup API access via crypto micropayments","AI agents with x402 payment capability needing on-demand API calls","Projects already operating on the Base L2 network with USDC"],"notFor":["Users who need detailed API documentation or OpenAPI specs before integrating","Applications requiring high-volume calls where subscription pricing would be cheaper","Developers without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:55.263Z"},"updatedAt":"2026-04-22T18:32:10.251Z"}}