{"id":"7e50e93c-2ec4-4d85-847a-def776a3ee63","shortId":"yqQJtj","kind":"x402","title":"x402-gated premium API access on Base, paid per-call in USDC.","tagline":"x402-gated premium API access on Base, paid per-call in USDC.","description":"This endpoint at lowpaymentfee.com provides \"Premium API Access\" behind an x402 paywall. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a variety of API categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. All endpoints on the platform follow the same pay-per-request model with no API keys, no rate limits, and instant access.\n\nThe specific endpoint `/api/v1/stripe/charges/121` accepts POST requests and is gated by an x402 challenge on the Base network. Payment is in USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) at a maximum cost of $0.02 per request (20,000 base units with 6 decimals). The payment is settled on-chain to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a timeout of 300 seconds.\n\nHowever, the exact functionality behind this particular endpoint path (`/stripe/charges/121`) is unclear. The name \"Premium API Access\" and the path referencing \"stripe/charges\" do not match any of the documented API categories on the landing page. Documentation pages (/docs, /api, /pricing, /README) all returned only a \"Connect wallet\" prompt with no substantive content. Without further documentation or example responses, the actual data or service returned by this endpoint cannot be confirmed.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","per-call-pricing","post-method"],"categories":["api-gateway","payments"],"synonyms":["lowpaymentfee","low payment fee API","x402 API","USDC pay-per-call","Base network API","stripe charges API","micropayment API"],"warnings":["The exact functionality of /api/v1/stripe/charges/121 is unknown — the path suggests Stripe charge processing but no documentation confirms this.","All documentation pages (/docs, /api, /pricing, /README) returned only 'Connect wallet' with no substantive content.","No request body schema or response schema is documented; callers cannot know what to send or what to expect back.","This endpoint path does not appear in the landing page's listed APIs, raising questions about whether it is a standard offering."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/charges/121","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/121","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but the actual functionality behind this specific path is undocumented. All documentation pages return only 'Connect wallet' with no content. No request/response schema, no examples, and the endpoint name ('Premium API Access' at /stripe/charges/121) is generic and unexplained.","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":"2026-04-19T09:21:03.256Z","embedding":[-0.0146484375,-0.028762817,0.028045654,0.011398315,0.0020713806,-0.015808105,-0.03189087,0.03692627,0.060760498,-0.07489014,0.04272461,-0.030197144,-0.053588867,-0.036010742,-0.03314209,0.000013589859,-0.002532959,0.015335083,-0.0592041,0.06951904,0.04269409,-0.023635864,0.0054969788,0.020690918,-0.011489868,-0.023468018,-0.0048561096,-0.040618896,-0.013221741,-0.002609253,0.012168884,-0.017456055,-0.00182724,0.0065841675,-0.012573242,-0.018661499,-0.014167786,0.056243896,0.030059814,-0.0032691956,0.0036888123,-0.06317139,-0.0024433136,-0.008460999,-0.024337769,0.0056533813,0.020431519,-0.014076233,-0.012542725,0.013420105,-0.043182373,-0.010971069,-0.018554688,0.008491516,0.02281189,0.009986877,0.0045204163,-0.015686035,0.013557434,0.030929565,0.003856659,-0.078186035,-0.008682251,-0.010124207,0.010223389,0.054626465,-0.0073013306,0.05053711,0.01663208,0.06286621,0.035736084,0.049560547,0.04055786,0.011642456,-0.0009899139,-0.0009069443,0.021652222,0.058044434,-0.007423401,0.013023376,-0.003414154,-0.01524353,-0.058166504,-0.0051002502,-0.006904602,-0.033935547,-0.020065308,-0.0054473877,-0.026367188,0.013999939,-0.07977295,-0.016357422,-0.0095825195,0.008911133,-0.0028457642,0.0020751953,-0.017318726,0.008422852,-0.017501831,0.008033752,0.0236969,-0.028793335,0.011520386,0.020874023,0.05154419,0.028182983,0.027923584,0.050842285,-0.019638062,-0.010070801,-0.013168335,0.018218994,-0.015777588,-0.0309906,0.027862549,0.009239197,-0.017929077,0.033355713,-0.012466431,0.017059326,-0.054626465,0.033996582,0.032226562,-0.025131226,0.03010559,-0.031036377,-0.0077056885,0.0039024353,-0.040893555,-0.030380249,0.01701355,0.0022945404,0.019866943,-0.03781128,-0.022781372,0.0028800964,-0.009689331,-0.027252197,-0.040161133,-0.020462036,0.031433105,-0.012802124,0.03277588,0.033996582,-0.08258057,-0.005722046,-0.039520264,0.01914978,-0.04840088,0.0012979507,-0.0038890839,0.038482666,-0.0029354095,-0.009925842,-0.02619934,-0.004634857,-0.002117157,0.027420044,-0.01651001,0.04473877,-0.0028858185,0.022994995,0.032348633,0.02482605,0.01902771,0.03704834,0.0031604767,-0.07910156,-0.07055664,-0.02053833,-0.01259613,-0.008285522,-0.0541687,0.0009441376,0.0005683899,-0.07067871,-0.046081543,-0.0043144226,0.007621765,-0.05847168,-0.01499939,-0.008804321,0.0015087128,-0.028549194,-0.07702637,0.0004298687,-0.018249512,0.068481445,0.015083313,0.024124146,0.026794434,-0.009994507,0.044128418,0.019943237,-0.0345459,-0.051574707,0.028213501,-0.018661499,0.03866577,0.018310547,0.00504303,-0.04321289,0.026275635,0.058258057,0.03201294,-0.011291504,-0.0020999908,-0.049224854,-0.029800415,-0.031173706,-0.0010881424,0.000048696995,-0.016082764,0.037902832,-0.03552246,-0.027282715,-0.010925293,-0.01928711,0.035980225,0.051330566,0.0024929047,0.0033283234,-0.0026168823,0.016311646,-0.035339355,0.03756714,0.032196045,0.029006958,-0.02394104,-0.016357422,0.018234253,0.034942627,-0.01676941,-0.015159607,-0.010826111,0.01537323,-0.0004992485,-0.0039901733,0.037322998,-0.017959595,-0.02947998,-0.011398315,0.0024108887,0.012008667,0.018676758,-0.039978027,-0.050048828,-0.07244873,0.031219482,0.051818848,0.032714844,0.0052948,-0.009117126,-0.019454956,-0.016952515,-0.06768799,0.052581787,0.075927734,-0.016433716,-0.0071983337,0.030960083,-0.017730713,-0.036346436,-0.028549194,-0.010826111,-0.028076172,-0.019729614,0.015640259,-0.046722412,0.010070801,0.008483887,0.022750854,0.06100464,-0.022155762,-0.04446411,-0.040649414,0.01007843,0.0055122375,-0.017807007,0.020141602,-0.017959595,0.004058838,0.02368164,0.002861023,0.011520386,0.027679443,0.027008057,-0.028366089,-0.017303467,-0.039123535,-0.0340271,0.019561768,-0.024612427,-0.04586792,0.02355957,-0.023269653,0.051818848,-0.026031494,0.02218628,0.000043809414,-0.0054092407,0.05529785,-0.020004272,-0.041015625,0.0021915436,0.018951416,0.035705566,0.05456543,0.008262634,0.0018157959,-0.017486572,0.040771484,-0.016098022,-0.021377563,0.014701843,0.01878357,0.03656006,0.0059318542,-0.064819336,-0.038330078,-0.003932953,-0.020401001,0.018859863,-0.03375244,0.049804688,-0.0028419495,0.0077209473,-0.020492554,-0.002922058,-0.030776978,0.019042969,-0.029006958,-0.012390137,-0.027709961,-0.014305115,0.024383545,0.017684937,-0.00056648254,0.001584053,0.03353882,0.027862549,-0.031097412,-0.035980225,-0.0066871643,-0.022079468,0.0050086975,0.023742676,0.0040779114,0.024627686,0.038909912,-0.05545044,0.025421143,0.02204895,-0.0062026978,0.008605957,-0.009506226,0.018341064,-0.06414795,-0.044891357,-0.012809753,-0.05029297,0.024978638,-0.016464233,0.029022217,0.035217285,0.016525269,-0.037475586,-0.03253174,0.01777649,-0.04626465,0.01222229,0.007675171,0.0033569336,-0.035125732,-0.01008606,0.028717041,0.0004286766,0.046844482,0.0075149536,-0.0049934387,0.057159424,0.036621094,0.012565613,0.0031166077,0.019439697,0.03652954,-0.0101623535,-0.031829834,-0.02923584,-0.0000770092,0.026275635,-0.0010910034,-0.03161621,-0.070739746,0.02746582,0.017791748,0.055023193,0.022232056,0.008056641,0.041900635,0.008178711,0.010475159,-0.05117798,-0.020095825,-0.018325806,-0.036621094,0.020431519,-0.027832031,-0.004386902,-0.027862549,0.017211914,0.008560181,0.013587952,-0.037322998,0.051696777,0.00995636,0.005542755,0.009765625,0.0013408661,0.049713135,0.06640625,-0.05593872,0.024002075,0.017669678,-0.029586792,0.005153656,0.046813965,-0.0020980835,-0.014556885,-0.063964844,-0.015914917,0.023712158,-0.0041542053,-0.08380127,0.0013446808,0.014251709,0.02999878,0.014274597,-0.010902405,-0.06463623,-0.002149582,-0.03186035,-0.054138184,0.005138397,-0.037322998,0.03302002,0.041046143,-0.050598145,-0.0038375854,0.0007429123,0.0012874603,-0.0016899109,-0.001496315,-0.0070648193,-0.018936157,-0.04373169,0.014343262,0.020309448,0.027023315,0.01676941,0.037841797,0.022003174,0.00944519,0.03717041,-0.001701355,-0.0027999878,-0.051513672,0.0042381287,-0.024841309,0.0154953,0.0055351257,-0.013664246,-0.000957489,-0.007980347,-0.039123535,-0.019958496,-0.0021572113,-0.023635864,0.010604858,0.0065574646,-0.04046631,-0.013381958,-0.043548584,-0.008880615,-0.008079529,0.08380127,0.030960083,-0.011169434,-0.07989502,-0.032196045,0.050750732,0.009742737,0.014144897,-0.015296936,-0.03363037,-0.021820068,-0.03778076,-0.032958984,-0.024505615,0.017745972,-0.0025157928,-0.02999878,0.027999878,-0.004295349,0.017196655,0.0115737915,0.012313843,0.03314209,-0.022537231,0.0012702942,-0.047088623,0.020904541,0.004421234,-0.02204895,-0.058746338,0.044677734,-0.0010900497,0.048614502,-0.029922485,-0.000579834,0.0017824173,0.011543274,0.013839722,-0.024597168,-0.012336731,0.015777588,-0.0440979,-0.08404541,0.016586304,-0.008605957,0.018173218,-0.0019550323,0.012229919,0.027420044,0.00089740753,0.0064430237,0.026626587,-0.01651001,-0.0060272217,-0.025131226,-0.03515625,-0.011169434,0.018661499,0.0053138733,0.0055618286,-0.012619019,0.00881958,-0.001748085,-0.018112183,0.041870117,0.0079956055,0.005821228,0.040252686,0.0013847351,0.024871826,0.04159546,0.0026683807,-0.03274536,0.020553589,0.011390686,-0.009483337,-0.01512146,0.040100098,0.00945282,-0.01763916,0.015640259,-0.0053138733,0.0031280518,-0.011260986,-0.0079574585,0.008110046,0.0635376,0.0018692017,-0.03552246,0.036071777,0.022979736,-0.0309906,-0.011024475,0.027755737,0.020370483,-0.024749756,0.025115967,0.02645874,0.04437256,-0.025863647,0.0007967949,0.009284973,0.031341553,0.011810303,0.025726318,-0.011512756,0.008056641,-0.021911621,0.019485474,0.0073890686,-0.013061523,-0.000998497,-0.01626587,0.028289795,0.02520752,0.00907135,-0.02355957,-0.01058197,0.00919342,-0.006893158,-0.009429932,0.02583313,0.017471313,0.0158844,-0.008155823,0.029403687,0.018173218,-0.029876709,-0.026611328,0.0087509155,0.029190063,-0.025009155,-0.015449524,0.019454956,-0.013694763,0.051849365,-0.061279297,0.00674057,0.0011377335,0.013549805,-0.028152466,-0.03552246,-0.03866577,0.003364563,0.03665161,0.0022449493,-0.0067863464,0.030426025,0.006126404,0.0072364807,0.011665344,0.009307861,0.0027561188,-0.01171875,-0.056518555,-0.011940002,-0.017593384,0.0040664673,-0.02897644,0.011253357,-0.019714355,-0.02772522,0.024124146,-0.020690918,0.004447937,0.009918213,0.011474609,0.029586792,-0.0012550354,0.0072250366,-0.0038471222,-0.018554688,-0.007499695,-0.0078125,0.028945923,-0.01864624,0.010955811,-0.025878906,0.0026931763,-0.010391235,-0.0014619827,0.019699097,0.026916504,0.001950264,0.012313843,-0.030700684,0.04623413,-0.03326416,0.0077056885,-0.0070991516,-0.023498535,-0.01701355,-0.03289795,-0.023147583,0.026794434,-0.0149002075,0.01348114,-0.012680054,-0.018341064,-0.0079422,-0.050445557,0.015106201,0.029190063,0.04034424,-0.02279663,0.0056915283,-0.012832642,-0.0010118484,-0.003124237,-0.0037117004,-0.018188477,0.00077438354,0.025314331,0.018188477,-0.02520752,-0.028625488,-0.029708862,-0.014167786,-0.06286621,-0.040893555,-0.022994995,0.02911377,-0.0016479492,-0.012771606,-0.020812988,-0.016571045,-0.01687622,-0.041290283,0.023361206,0.006652832,0.031341553,0.005809784,-0.01890564,0.0035190582,0.014305115,-0.008628845,0.026550293,-0.0027103424,-0.0042648315,-0.028518677,-0.007217407,0.0395813,0.022567749,0.028793335,-0.008781433,-0.001241684,-0.024795532,-0.042297363,-0.00051164627,-0.01725769,-0.008323669,0.009277344,0.0033054352,-0.037109375,-0.00806427,-0.015731812,-0.009384155,0.012168884,0.027816772,0.03152466,-0.013313293,-0.005771637,-0.012489319,-0.020004272,-0.037353516,0.01965332,0.010826111,0.014251709,0.011169434,0.04525757,-0.0070266724,-0.0052452087,-0.014709473,0.0045433044,0.029953003,-0.021911621,0.017791748,0.012565613,0.001537323,-0.019470215,0.0014944077,-0.022109985,0.00409317,0.068237305,0.011924744,-0.002729416,-0.009002686,-0.0015916824,0.02243042,0.006755829,-0.04071045,-0.0025691986,-0.043701172,0.016052246,-0.0029029846,0.00617218,0.021087646,0.018920898,-0.023864746,-0.06262207,-0.0069122314,0.017364502,-0.020401001,-0.058685303,-0.010536194,-0.0435791,-0.017471313,-0.010398865,-0.017089844,-0.0037841797,0.0077781677,-0.016418457,-0.09887695,0.014198303,0.041625977,0.020141602,0.025131226,-0.027999878,0.027938843,0.02267456,-0.010932922,-0.025543213,0.046203613,-0.018066406,-0.016921997,-0.010307312,0.044677734,-0.016983032,-0.031097412,0.008476257,-0.0011167526,0.016784668,-0.003944397,0.0074272156,-0.027359009,0.021652222,0.004764557,0.0052604675,-0.0017080307,-0.029693604,0.02671814,-0.042755127,0.0154418945,0.0067863464,-0.00077676773,-0.009437561,0.026779175,0.022445679,-0.040374756,0.0039367676,0.0357666,-0.011413574,0.05279541,-0.022460938,0.04837036,0.026626587,-0.009056091,0.0045433044,-0.010002136,-0.019119263,-0.046539307,-0.029708862,0.022369385,0.012176514,0.014251709,-0.014503479,0.0038471222,0.012207031,-0.015930176,0.026367188,-0.007881165,-0.0019435883,0.005584717,0.0077056885,-0.00031805038,0.011360168,-0.0018005371,0.029693604,0.0012111664,0.040740967,0.00052547455,-0.014289856,0.015205383,0.019302368,-0.012763977,0.0016622543,0.022766113,0.018463135,0.01927185,0.017593384,0.0155181885,-0.020263672,-0.008201599,0.016082764,0.0036621094,0.0065078735,-0.0038471222,0.0067634583,-0.0050468445,0.00067949295,0.003004074,-0.026504517,0.025970459,-0.022232056,-0.02822876,-0.0059890747,-0.015899658,0.012771606,0.007949829,0.009056091,0.03527832,0.009315491,0.0647583,-0.008140564,0.004749298,0.032073975,0.022140503,0.016448975,-0.026046753,0.0032596588,-0.00071811676,0.008796692,0.015609741,-0.01436615,0.006832123,0.039611816,-0.008903503,0.035125732,-0.011657715,0.011405945,0.0048179626,0.022338867,-0.009712219,-0.017669678,-0.012237549,0.040618896,-0.029632568,0.025024414,0.027313232,0.00008225441,-0.009712219,-0.01928711,-0.043670654,0.03692627,0.022033691,-0.009719849,0.05230713,-0.011016846,0.019714355,-0.02017212,-0.018676758,0.007019043,-0.032928467,-0.018356323,0.032287598,0.0076026917,0.0048446655,0.016296387,-0.027679443,0.023513794,-0.034606934,0.02973938,-0.010437012,0.0036582947,-0.029342651,-0.02418518,-0.026977539,-0.019805908,-0.025924683,0.012199402,-0.0018501282,0.02218628,0.036193848,0.0045661926,0.025939941,0.0065078735,-0.002380371,-0.021728516,-0.014419556,-0.003074646,-0.03225708,-0.011276245,-0.019958496,0.031921387,0.057891846,-0.0065956116,0.027114868,0.03918457,0.018875122,0.016448975,0.01826477,-0.015670776,0.0066947937,-0.008491516,0.034332275,0.017562866,0.030670166,-0.021987915,0.011390686,-0.006980896,0.02709961,-0.031799316,0.017745972,0.07745361,0.01902771,-0.008682251,0.046813965,-0.004951477,-0.01398468,-0.030960083,-0.01576233,0.060760498,0.021469116,0.046722412,0.03765869,0.010185242,-0.012512207,0.023422241,-0.01676941,-0.033813477,0.06390381,0.014091492,-0.014129639,-0.019134521,-0.022003174,0.00843811,-0.034423828,-0.0067253113,0.014251709,-0.014564514,0.015151978,-0.010513306,-0.014259338,0.0061683655,0.022628784,0.0069465637,0.021942139,-0.03186035,0.015823364,0.021514893,0.022094727,0.02027893,-0.0008506775,0.026229858,-0.03338623,-0.012634277,-0.007904053,0.017059326,-0.010353088,0.011619568,0.038146973,0.029296875,0.05014038,0.029312134,-0.013252258,-0.0013198853,0.03466797,0.002943039,-0.011764526,0.04196167,0.028793335,0.019165039,0.028793335,0.0435791,0.023544312,-0.03567505,0.006511688,-0.0010509491,0.015205383,0.0021209717,-0.026733398,0.015960693,0.010948181,0.020889282,-0.0061187744,-0.011955261,0.035339355,0.036499023,-0.0060768127,0.0019893646,0.00061798096,-0.0035152435,0.016189575,0.008682251,0.013114929,-0.024932861,0.011627197,0.015838623,0.0284729,-0.034332275,0.022842407,-0.0073280334,-0.025115967,-0.0099105835,0.012756348,-0.04031372,0.020751953,-0.0084991455,0.0016889572,-0.02684021,0.01084137,0.0041389465,-0.00075149536,0.01979065,0.00017511845,0.010391235,0.011390686,0.012992859,0.014923096,-0.0032844543,-0.01159668,-0.0112838745,0.028869629,0.042907715,0.004142761,0.019546509,-0.009521484,0.00078582764,0.02204895,0.0020561218,-0.02418518,-0.0015468597,-0.014701843,-0.03793335,0.013946533,0.050445557,0.016571045,0.03253174,0.010032654,-0.022018433,0.014251709,0.0070724487,0.011154175,-0.011123657,-0.0018157959,0.018173218,0.0018854141,0.04144287,0.033050537,-0.005882263,0.030563354,-0.012176514,-0.0075683594,-0.0031433105,-0.030776978,0.019058228,-0.025939941,0.016433716,-0.025726318,0.0030345917,-0.034576416,-0.033050537,0.011138916,-0.0158844,-0.018951416,-0.038330078,-0.0036449432,0.012329102,0.018188477,0.029953003,0.020950317,-0.030670166,0.07159424,-0.006958008,0.06628418,-0.0061187744,0.0015583038,0.033935547,0.051330566,0.025482178,0.012924194,0.027175903,-0.022140503,0.006149292,0.03805542,0.030410767,0.01020813,0.012649536,-0.011772156,0.04547119,-0.006034851,0.018798828,-0.030853271,-0.0016498566,0.00680542,-0.008140564,-0.0014829636,0.0036811829,-0.0019741058,0.022338867,0.041290283,-0.0340271,-0.013511658,-0.033172607,-0.012313843,0.025909424,-0.007297516,0.008377075,0.01612854,-0.008598328,0.023864746,-0.032714844,-0.012893677,0.014457703,0.025772095,-0.029022217,-0.034942627,-0.0010919571,0.014022827,-0.01725769,0.027786255,0.013694763,-0.009262085,-0.00045228004,0.055999756,-0.0009717941,0.052459717,0.0020179749,0.019927979,0.027862549,-0.013534546,-0.03656006,-0.0005803108,0.017929077,-0.014801025,0.007949829,0.047088623,-0.0024700165,0.0072784424,-0.0007305145,-0.03314209,0.007843018,0.005004883,-0.027832031,-0.008872986,0.0010232925,-0.015335083,0.0051345825,0.0065345764,0.0073890686,-0.0008945465,-0.0055618286,-0.0076408386,-0.004234314,0.030822754,0.013450623,-0.042907715,0.0085372925,0.008338928,-0.0041503906,-0.02746582,-0.018356323,-0.00015890598,-0.036895752,0.023788452,0.024932861,0.015045166,-0.002002716,-0.024002075,0.006755829,0.03326416,0.009628296,0.032104492,0.009864807,-0.012718201,0.00919342,-0.018859863,-0.010765076,-0.013183594,0.0041503906,-0.00793457,0.0054779053,-0.0149383545,-0.020187378,0.031173706,-0.0013475418,0.017913818,0.009765625,-0.010108948,0.043060303,-0.014854431,-0.02394104,0.01373291,0.012420654,-0.0023975372,-0.010643005,-0.02470398,0.019943237,0.050048828,-0.002916336,0.004360199,0.01612854,0.0103302,0.02923584,0.03378296,0.021057129,0.037994385,0.021392822,-0.014205933,0.0036411285,0.02923584,-0.012290955,-0.030715942,0.031341553,-0.010940552,-0.028839111,0.028335571,0.0055274963,-0.011276245,-0.025436401,-0.03201294,-0.008834839,-0.017730713,0.0038528442,-0.017959595,0.010147095,-0.031585693,-0.018157959,-0.008300781,-0.004447937,-0.04510498,-0.026138306,-0.016113281,-0.015136719,-0.045196533,0.0045661926,-0.03265381,-0.0022773743,-0.024047852,-0.009262085,-0.010612488,0.038238525,-0.009429932,0.003774643,-0.0006580353,0.04043579,0.0046043396,0.028549194,0.0126953125,-0.018478394,-0.032226562,-0.0053482056,-0.018951416,-0.024551392,0.028045654,-0.017349243,0.03050232,-0.004234314,-0.017608643,-0.0023479462,-0.015899658,-0.0011415482,0.00566864,-0.041015625,-0.023101807,0.01322937,0.03213501,-0.012298584,-0.012008667,0.046875,-0.015319824,-0.017715454,0.0287323,0.038848877,0.018157959,0.03805542,-0.01902771,-0.0071640015,-0.02658081,-0.00059604645,-0.016189575,0.0012254715,-0.0032577515,0.0015563965,-0.006626129,0.0073890686,0.010154724,-0.014022827,-0.020446777,0.023971558,0.0047340393,-0.03793335,0.028213501,0.011482239,0.0052108765,-0.013389587,-0.006866455,0.024719238,0.044525146,0.011436462,0.014167786,-0.0034332275,0.013786316,-0.020828247,0.024765015,0.01007843,-0.022644043,-0.017990112,-0.018859863,-0.00793457,0.001625061,0.0018701553,0.02947998,0.011947632,0.022735596,-0.009979248,-0.024368286,-0.016113281,0.016052246,-0.0010461807,-0.0036087036,-0.012458801,0.0051612854,0.022842407,-0.03060913,0.017593384,-0.03756714,-0.019378662,-0.0039367676,-0.022338867,0.01965332,-0.0045661926,-0.01171875,0.0029640198,-0.004070282,-0.004470825,0.0064697266,0.039154053,-0.01826477,-0.001241684,0.01209259,0.017654419,-0.024002075,0.023040771,-0.008110046,-0.0134887695,0.030593872,-0.008880615,0.006134033,0.007129669,0.042907715,0.022644043,0.0015039444,0.038208008,-0.00014352798,0.006515503,0.004562378,-0.013771057,0.006122589,-0.0046043396,0.019363403,-0.014274597,-0.025634766,0.011909485,-0.01423645,-0.03451538,0.013282776,0.020187378,0.04852295,-0.022781372,0.048309326,-0.0050354004,-0.025650024,-0.008003235,0.0071907043,-0.025299072,0.0030918121,0.021835327,0.017349243,0.00088977814,-0.0064926147,-0.018554688,-0.019515991,-0.003211975,0.015731812,-0.008476257,0.0016107559,0.0031661987,0.0069007874,0.04208374,0.014976501,0.010192871,0.024337769,0.0070114136,0.024963379,-0.0017004013,0.03378296,-0.0065574646,-0.03164673,0.008117676,-0.0045547485,-0.0009803772,-0.0077934265,-0.013626099,0.0066070557,-0.037963867,0.012779236,-0.011512756,0.054138184,-0.024719238,0.015914917,-0.022476196,0.0056762695,-0.021347046,0.0039901733,-0.02607727,0.008964539,0.031066895,-0.0070114136,-0.008918762,0.010002136,-0.016296387,0.018447876,0.041229248,-0.0077934265,-0.027282715,-0.011947632,0.018081665,0.009315491,-0.004512787,0.013908386,-0.026000977,-0.011474609,0.00024485588,-0.011108398,-0.0024585724,-0.0064964294,0.009597778,0.020385742,0.005672455,-0.009269714,0.043029785,0.0029716492,0.002784729,-0.007030487,0.010551453,0.024368286,0.03652954,-0.022903442,0.02420044,0.023040771,-0.015335083,0.048339844,-0.021133423,0.012710571,-0.023284912,-0.0039405823,-0.022354126,-0.0067634583,0.0025234222,0.0032978058],"createdAt":"2026-04-18T18:53:58.006Z","updatedAt":"2026-04-23T04:01:40.990Z","lastSeenAt":"2026-04-23T04:01:40.990Z","tsv":"'/api':186 '/api/v1/stripe/charges/121':96 '/docs':185 '/pricing':187 '/readme':188 '/stripe/charges/121':157 '0.02':122 '000':126 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':141 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':116 '20':125 '300':146 '6':130 'Base network API' 'USDC pay-per-call' 'accept':97 'access':6,20,36,92,164 'actual':207 'address':140 'ai':62 'analyt':61 'api':5,19,35,57,85,163,177 'base':8,22,109,127 'base-network' 'behind':37,152 'call':12,26 'cannot':215 'categori':58,178 'chain':138 'challeng':106 'confirm':217 'connect':193 'content':199 'contract':115 'cost':120 'data':60,208 'decim':131 'document':176,183,202 'endpoint':30,46,71,95,155,214 'exact':150 'exampl':204 'financ':65 'follow':75 'function':151 'gate':3,17,102 'host':53 'howev':148 'includ':59 'infrastructur':68 'instant':91 'key':86 'land':181 'learn':64 'limit':89 'low payment fee API' 'lowpaymentfee' 'lowpaymentfee.com':32,50 'machin':63 'mani':45 'match':172 'maximum':119 'micropayment API' 'model':82 'name':161 'network':110 'offer':47 'on-chain':136 'one':43 'page':182,184 'paid':9,23 'particular':154 'path':156,167 'pay':79 'pay-per-request':78 'payment':111,133 'paywal':40 'per':11,25,80,123 'per-cal':10,24 'per-call-pricing' 'platform':51,74 'post':98 'post-method' 'premium':4,18,34,162 'prompt':195 'provid':33 'rate':88 'referenc':168 'request':81,99,124 'respons':205 'return':190,211 'second':147 'servic':210 'settl':135 'specif':94 'stripe charges API' 'stripe/charges':169 'substant':198 'timeout':144 'unclear':159 'unit':128 'usdc':14,28,114 'usdc-settlement' 'util':69 'varieti':55 'wallet':194 'web3':66 'without':200 'x402':2,16,39,105 'x402 API' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"19007399-711d-4abf-a3b0-ce5c884d691d","listingId":"7e50e93c-2ec4-4d85-847a-def776a3ee63","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/121","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:53:58.006Z"}],"sources":[{"listingId":"7e50e93c-2ec4-4d85-847a-def776a3ee63","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/charges/121","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:53:58.006Z","lastSeenAt":"2026-04-23T04:01:40.990Z"}],"details":{"listingId":"7e50e93c-2ec4-4d85-847a-def776a3ee63","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/121 \\\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":"The endpoint returns a 402 x402 challenge with USDC on Base network at maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/121"},{"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 contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/121"},{"claim":"Documentation pages return only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatic access to a premium API endpoint with per-call USDC micropayments","Agent-driven workflows that need keyless, pay-as-you-go API access on Base","Testing x402 payment flows against a live endpoint"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that can settle USDC payments on Base L2","Use cases requiring no-signup, no-API-key access"],"notFor":["Users who need clear documentation of what the endpoint returns before paying","High-volume use cases where per-call crypto settlement overhead matters","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:56.81Z"},"updatedAt":"2026-04-23T04:01:40.990Z"}}