{"id":"0e3266c4-517b-4bef-8212-ce81c16c0bfa","shortId":"QZqhwK","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 APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all gated via the x402 protocol on the Base network and settled in USDC.\n\nThe specific endpoint `/api/v1/stripe/subscriptions/49` is listed as \"Premium API Access\" and costs up to $0.02 per request (maxAmountRequired of 20,000 base units of USDC with 6 decimals = $0.02). Payment is made via the x402 exact scheme: the caller includes an X-PAYMENT header with a signed USDC payment on Base to the provider's address. No API keys, rate limits, or upfront commitments are required — access is instant upon payment.\n\nHowever, the actual functionality behind this particular endpoint is unclear. The name \"Premium API Access\" and the URL path referencing \"stripe/subscriptions\" suggest it may relate to subscription management or a Stripe integration, but no documentation, request/response schemas, or usage examples are available. The docs, API, pricing, and README pages on the site all render only a \"Connect wallet\" prompt with no further content. Without concrete documentation of what this endpoint accepts or returns, its practical utility is difficult to assess.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","per-call-pricing","no-api-key","http-post"],"categories":["api-gateway","payments"],"synonyms":["x402 API","pay-per-call API","USDC API access","Base network API","lowpaymentfee","crypto-paid API","402 payment endpoint"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content.","The actual functionality of this endpoint is unknown; the name 'Premium API Access' and URL path '/api/v1/stripe/subscriptions/49' are the only hints.","No request body schema or response schema is provided beyond the x402 outputSchema stub.","The endpoint path references 'stripe/subscriptions' which may involve third-party Stripe integration — behavior is unverified."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/subscriptions/49","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/subscriptions/49","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 with clear pricing ($0.02 USDC on Base). However, there is no documentation, no request/response schema, no examples, and the actual functionality behind \"Premium API Access\" is entirely undocumented. The docs and other site pages render only a wallet-connect prompt.","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":"2026-04-19T11:06:21.113Z","embedding":[-0.016952515,-0.011146545,0.024734497,0.0050849915,0.01512146,-0.020309448,-0.02557373,0.05480957,0.061462402,-0.07720947,0.037231445,-0.03829956,-0.0435791,-0.051239014,-0.027267456,0.0072021484,-0.01727295,0.0028362274,-0.05065918,0.058441162,0.044921875,-0.016815186,-0.01411438,0.01751709,-0.005630493,-0.017974854,-0.014595032,-0.032318115,-0.011222839,-0.030349731,0.025939941,-0.020629883,0.008239746,0.017120361,-0.006580353,-0.031051636,-0.0024662018,0.04776001,0.029754639,-0.018035889,0.0023956299,-0.060394287,-0.01210022,0.0040359497,-0.03050232,0.016723633,0.01374054,-0.017196655,-0.009887695,0.010375977,-0.042816162,-0.024871826,-0.02999878,0.004459381,0.032165527,0.0054855347,0.009727478,-0.019851685,0.002998352,0.012207031,0.004360199,-0.06112671,-0.025115967,-0.0132751465,0.010772705,0.06359863,-0.008117676,0.048553467,0.008117676,0.048431396,0.0519104,0.053253174,0.04006958,0.0068893433,0.0063323975,-0.00018012524,0.018600464,0.070251465,-0.006137848,0.00016331673,-0.00034737587,0.00087070465,-0.045410156,0.006099701,-0.00818634,-0.046142578,-0.018600464,0.00030183792,-0.023269653,0.02079773,-0.07373047,-0.016464233,-0.016952515,0.014175415,0.00037026405,0.002040863,-0.016464233,0.014762878,-0.030075073,0.002073288,0.00894928,-0.029434204,0.01449585,0.0049095154,0.05731201,0.033599854,0.028045654,0.046417236,-0.009002686,-0.010627747,-0.020507812,0.018798828,-0.008560181,-0.017791748,0.018203735,0.008323669,-0.021865845,0.018325806,-0.0066337585,0.021881104,-0.051879883,0.03945923,0.04055786,-0.019882202,0.024627686,-0.029525757,-0.009254456,0.00308609,-0.030090332,-0.0236969,0.025131226,0.00907135,0.015655518,-0.035064697,-0.023803711,-0.0012731552,-0.013328552,-0.032165527,-0.042938232,-0.027069092,0.047698975,-0.02331543,0.033691406,0.013549805,-0.09338379,-0.013328552,-0.04901123,0.0039711,-0.05404663,-0.008224487,-0.008598328,0.029190063,-0.006149292,-0.013442993,-0.02709961,-0.0104599,0.008560181,0.021148682,-0.016525269,0.047607422,-0.020355225,0.023605347,0.02357483,0.018753052,0.023513794,0.027374268,0.0048980713,-0.088012695,-0.08062744,-0.0138549805,-0.006175995,-0.02142334,-0.047332764,0.0015392303,0.006767273,-0.070373535,-0.0289917,-0.00033402443,0.002817154,-0.044647217,0.005153656,-0.005996704,-0.0033226013,-0.02154541,-0.059173584,-0.011924744,-0.028198242,0.05279541,0.013305664,0.02494812,0.034179688,-0.0066452026,0.03829956,0.0184021,-0.025009155,-0.038726807,0.010368347,-0.0018472672,0.030227661,0.0021896362,0.014907837,-0.04071045,0.017211914,0.06750488,0.016067505,0.0044403076,0.0049438477,-0.04345703,-0.020599365,-0.024551392,-0.0028934479,-0.00004976988,-0.015151978,0.050231934,-0.026550293,-0.025558472,-0.005077362,-0.008010864,0.025238037,0.06903076,0.004760742,-0.01109314,-0.0019273758,0.009277344,-0.041137695,0.036071777,0.04940796,0.03616333,-0.029449463,-0.022033691,0.012527466,0.04031372,-0.00932312,-0.007293701,-0.007949829,0.013366699,-0.011024475,-0.0057144165,0.03338623,-0.030975342,-0.035064697,-0.024230957,0.011619568,0.028396606,0.0206604,-0.035827637,-0.052581787,-0.07354736,0.025283813,0.04244995,0.041809082,0.004638672,-0.011184692,-0.021255493,-0.00894928,-0.07940674,0.04800415,0.06726074,-0.0124053955,-0.0011548996,0.033416748,-0.009689331,-0.037719727,-0.021820068,0.0021877289,-0.009025574,-0.0085372925,0.017349243,-0.039733887,0.007801056,0.007709503,0.019088745,0.05987549,-0.009712219,-0.03503418,-0.037628174,0.013191223,-0.0034770966,-0.016311646,0.01638794,-0.008094788,-0.01133728,0.03479004,-0.002149582,0.028244019,0.0045394897,0.023605347,-0.027755737,-0.022354126,-0.022583008,-0.028427124,0.016845703,-0.0073051453,-0.06713867,0.019195557,-0.018096924,0.062042236,-0.034454346,0.024475098,0.00028252602,0.0066947937,0.037750244,-0.004337311,-0.024520874,-0.00434494,0.012496948,0.04046631,0.047668457,-0.0041618347,-0.011550903,-0.008560181,0.04486084,-0.013877869,-0.024749756,-0.0037784576,0.027740479,0.037750244,-0.0051994324,-0.07421875,-0.042510986,-0.01398468,-0.014518738,0.021224976,-0.038848877,0.041931152,-0.014923096,0.0003592968,-0.027679443,0.0010900497,-0.039886475,0.02658081,-0.030349731,-0.018356323,-0.002691269,-0.011779785,0.015342712,0.032348633,0.0053901672,0.0049362183,0.02960205,0.018478394,-0.014312744,-0.030807495,-0.003030777,-0.025390625,0.012779236,0.011192322,0.01889038,0.019821167,0.048828125,-0.04434204,0.01335144,0.0317688,-0.001408577,0.024169922,-0.0018119812,0.034240723,-0.060546875,-0.043884277,-0.02709961,-0.05609131,0.020263672,-0.023223877,0.030807495,0.034332275,-0.0001424551,-0.03881836,-0.02166748,0.031555176,-0.045532227,0.02218628,0.018997192,0.011856079,-0.022521973,-0.0062713623,0.023147583,0.015151978,0.039916992,-0.009963989,-0.0034542084,0.06982422,0.042816162,0.0018358231,0.004360199,0.0020217896,0.02142334,-0.020492554,-0.027526855,-0.0368042,-0.010948181,0.018997192,-0.012077332,-0.031921387,-0.07879639,0.04168701,0.019729614,0.05947876,0.024230957,0.0048713684,0.036315918,0.007965088,0.007331848,-0.037872314,-0.017684937,-0.03857422,-0.036956787,0.022018433,-0.028686523,0.0018262863,-0.029846191,0.02935791,0.0057868958,0.023590088,-0.023803711,0.0395813,0.019836426,0.0016288757,0.01109314,0.020492554,0.05227661,0.06964111,-0.04373169,0.044067383,0.016784668,-0.027404785,0.004043579,0.03152466,0.0032424927,-0.040985107,-0.06378174,-0.022750854,0.0146484375,-0.005466461,-0.08618164,0.007419586,0.019699097,0.02330017,0.025970459,-0.021652222,-0.04937744,0.0033416748,-0.02947998,-0.06604004,-0.015586853,-0.027114868,0.0262146,0.042785645,-0.036895752,-0.013572693,-0.005683899,-0.002407074,0.01776123,-0.003698349,-0.007381439,-0.011856079,-0.040527344,0.013305664,0.0070877075,0.019714355,0.028396606,0.026733398,0.003643036,0.005138397,0.042388916,0.0059509277,-0.012062073,-0.045806885,0.0035858154,-0.027893066,0.0069007874,0.0027942657,-0.0103302,-0.0028381348,0.006877899,-0.034118652,-0.026611328,-0.0045204163,-0.03744507,0.009399414,0.028884888,-0.044891357,-0.01473999,-0.04373169,-0.01928711,0.0010967255,0.086242676,0.02607727,-0.0045433044,-0.07525635,-0.0309906,0.03967285,0.0048828125,0.005607605,-0.013946533,-0.022750854,-0.02029419,-0.034606934,-0.01663208,-0.016738892,0.01927185,0.0024204254,-0.033813477,0.027420044,-0.0103302,0.02557373,0.011116028,0.02368164,0.02015686,-0.019302368,0.003768921,-0.04815674,0.01020813,0.009422302,-0.018203735,-0.057891846,0.048614502,-0.009727478,0.036315918,-0.020904541,-0.011772156,-0.007446289,0.007286072,0.023483276,-0.013549805,-0.015434265,0.009765625,-0.048736572,-0.059509277,0.023773193,-0.019500732,0.002811432,-0.00819397,0.018081665,0.019012451,0.0098724365,0.012229919,0.033081055,-0.02029419,0.0018024445,-0.03643799,-0.04083252,-0.016143799,0.006290436,-0.008171082,-0.00093889236,-0.016189575,0.0020256042,-0.005004883,-0.019363403,0.039642334,-0.0020618439,0.003107071,0.039031982,0.0008716583,0.018859863,0.038482666,-0.00022995472,-0.024368286,0.013000488,-0.0025691986,-0.0017080307,-0.027633667,0.037841797,0.020019531,-0.0005698204,0.011070251,0.0013151169,-0.016448975,-0.017684937,-0.007881165,0.0004014969,0.04928589,0.015174866,-0.034973145,0.03604126,0.018737793,-0.02268982,-0.020187378,0.013557434,0.008773804,-0.02418518,0.026733398,0.027511597,0.04840088,-0.02758789,0.0098724365,0.008682251,0.034057617,0.015510559,0.030014038,-0.01436615,0.00207901,-0.030349731,0.0132369995,0.0060195923,-0.009216309,0.0020313263,-0.016021729,0.02960205,0.03274536,0.017730713,-0.023086548,-0.014289856,-0.000487566,0.0034923553,-0.004497528,0.022338867,0.029022217,0.0060768127,-0.018814087,0.029403687,0.015525818,-0.03778076,-0.0154418945,-0.007709503,0.03353882,-0.020446777,-0.013877869,0.01727295,-7.748604e-7,0.0463562,-0.06738281,0.0019454956,-0.0007209778,0.015266418,-0.018585205,-0.028381348,-0.04296875,0.001493454,0.029067993,0.00705719,0.002462387,0.041168213,0.006263733,0.001748085,0.017547607,0.0033798218,-0.012908936,-0.0105896,-0.050567627,-0.013404846,-0.0074157715,0.0041236877,-0.021133423,0.010009766,-0.026229858,-0.02835083,0.01574707,-0.019805908,0.009254456,0.007080078,0.024276733,0.026535034,0.004009247,0.014343262,-0.0031032562,-0.012863159,-0.0043144226,0.0039749146,0.023391724,-0.03326416,0.013969421,-0.029754639,0.005088806,-0.011131287,0.009414673,0.022521973,0.023513794,0.0051879883,0.010948181,-0.036346436,0.034240723,-0.038269043,0.00020980835,0.0012731552,-0.02822876,-0.0011482239,-0.03326416,-0.02456665,0.0390625,-0.030426025,0.007633209,-0.019134521,-0.014457703,-0.017974854,-0.05706787,0.0121154785,0.032470703,0.03842163,-0.027023315,0.007980347,-0.01348114,0.00091552734,-0.011177063,-0.0028038025,-0.009155273,0.002155304,0.016494751,0.0152282715,-0.022338867,-0.011528015,-0.019851685,-0.011978149,-0.06958008,-0.044952393,-0.023880005,0.024505615,-0.0000024437904,-0.009750366,-0.025650024,-0.02130127,0.0021209717,-0.03552246,0.0146102905,0.0056495667,0.03173828,0.007949829,-0.030532837,0.0063476562,0.022079468,-0.012069702,0.02067566,-0.003200531,0.00036287308,-0.026885986,0.008926392,0.037109375,0.023223877,0.020751953,-0.009963989,0.0014867783,-0.018615723,-0.0579834,-0.0017347336,-0.01864624,-0.008514404,-0.0028839111,-0.005290985,-0.03149414,-0.014122009,-0.011619568,-0.012123108,0.013496399,0.017822266,0.032440186,-0.0058670044,-0.0069389343,-0.017486572,-0.02267456,-0.02470398,0.023910522,0.010025024,0.015640259,0.016738892,0.050964355,-0.0016546249,-0.011741638,-0.003025055,-0.00013875961,0.040527344,-0.021881104,-0.001953125,0.013046265,0.008934021,-0.023086548,-0.005344391,-0.05316162,0.011734009,0.07348633,0.010612488,-0.0012130737,-0.00064849854,-0.00057315826,0.028625488,0.021499634,-0.04473877,-0.0044784546,-0.039093018,0.0143966675,-0.0006556511,0.017623901,0.02519226,0.02130127,-0.013069153,-0.05355835,-0.012176514,0.022888184,-0.017456055,-0.057617188,-0.011642456,-0.03778076,-0.009391785,-0.021713257,-0.02128601,-0.0030403137,0.013031006,-0.013801575,-0.0871582,0.00422287,0.04196167,0.018417358,0.04269409,-0.023376465,0.026382446,0.012039185,-0.020980835,-0.009117126,0.042907715,-0.020935059,-0.016311646,-0.0146484375,0.046295166,-0.022094727,-0.04864502,0.020599365,-0.0010213852,0.028625488,-0.004421234,0.003435135,-0.031402588,0.029144287,0.006275177,0.016052246,-0.0006957054,-0.030197144,0.024459839,-0.032928467,0.012519836,0.0077934265,-0.008995056,-0.0033416748,0.02709961,0.03778076,-0.036712646,-0.00466156,0.04296875,-0.005264282,0.050994873,-0.023330688,0.04434204,0.021026611,-0.009178162,0.017669678,-0.0051460266,-0.02722168,-0.04864502,-0.027297974,0.021347046,-0.013366699,0.020767212,-0.011329651,0.0057754517,0.017120361,-0.0066070557,0.0063934326,-0.011459351,-0.015327454,-0.014122009,0.0031108856,0.0028190613,0.008377075,-0.0020694733,0.028427124,0.007633209,0.040924072,0.011833191,-0.013404846,0.03338623,0.017196655,-0.016189575,-0.0063552856,0.024276733,0.0029697418,0.013687134,0.026626587,0.011703491,-0.0284729,-0.013587952,0.0027046204,0.0014047623,-0.00040960312,-0.008987427,-0.0025424957,-0.0096206665,0.0032730103,0.008338928,-0.033477783,0.020584106,-0.013137817,-0.024978638,-0.014343262,-0.017715454,0.009002686,0.00058078766,0.0013284683,0.03704834,0.006702423,0.0692749,0.0055885315,0.0009059906,0.027893066,0.02571106,0.008880615,-0.024642944,0.0010852814,0.0036010742,0.004337311,0.011230469,-0.021072388,0.0146484375,0.039611816,-0.006729126,0.02508545,-0.015365601,0.014595032,-0.0069084167,0.03164673,-0.011077881,0.005821228,-0.022140503,0.03387451,-0.03237915,0.007221222,0.032989502,-0.005405426,0.0035152435,-0.01512146,-0.037353516,0.037200928,0.011131287,-0.022415161,0.04748535,0.0032844543,0.01802063,-0.026428223,-0.010978699,0.000036418438,-0.030685425,-0.024414062,0.037506104,0.007736206,0.011878967,0.019927979,-0.024215698,0.027175903,-0.034820557,0.030090332,-0.003665924,0.009933472,-0.02947998,-0.020248413,-0.026550293,-0.0115737915,-0.024536133,-0.0008869171,-0.0053863525,0.03250122,0.041107178,0.008583069,0.025665283,0.00014519691,-0.0023651123,-0.021118164,-0.019042969,0.0057754517,-0.03353882,-0.019836426,-0.020080566,0.033111572,0.05807495,-0.0004284382,0.028381348,0.030456543,0.016021729,0.007255554,0.008796692,-0.020614624,0.014778137,-0.013366699,0.03515625,0.021347046,0.03488159,-0.021469116,0.01852417,-0.000015735626,0.02822876,-0.03338623,0.01727295,0.068725586,0.03326416,-0.012184143,0.03756714,0.0014619827,-0.014587402,-0.033569336,-0.016021729,0.06994629,0.013763428,0.058807373,0.030838013,0.011711121,-0.0031394958,0.022735596,-0.026504517,-0.025115967,0.056854248,0.013038635,-0.016235352,-0.023239136,-0.019210815,0.0078048706,-0.04321289,-0.024871826,0.01902771,-0.0079574585,0.012580872,0.0017271042,-0.013137817,-0.0016126633,0.023712158,0.0072021484,0.026947021,-0.025848389,0.017349243,0.022994995,0.020965576,0.017227173,0.009109497,0.043762207,-0.026535034,-0.016952515,-0.011199951,0.01663208,0.0025043488,0.014480591,0.033966064,0.013763428,0.04437256,0.043792725,-0.013290405,-0.00299263,0.036834717,0.0032157898,0.00023388863,0.05291748,0.03564453,0.013671875,0.036468506,0.04168701,0.024810791,-0.048034668,0.010803223,0.000910759,0.000582695,-0.016235352,-0.03277588,0.0026893616,0.0044822693,0.025756836,-0.009223938,-0.006286621,0.028579712,0.042755127,0.005355835,0.0073623657,0.0037403107,0.0036563873,-0.0047340393,0.006454468,0.012023926,-0.021560669,0.018554688,0.018478394,0.033233643,-0.029937744,0.014724731,0.00015759468,-0.01663208,-0.015525818,0.008476257,-0.032928467,0.020141602,-0.0143585205,-0.0018405914,-0.035247803,0.012237549,0.011360168,0.0018987656,0.031555176,0.0077934265,0.01020813,0.0059547424,0.020858765,0.011810303,-0.014213562,-0.014930725,-0.01586914,0.029663086,0.044067383,0.0014009476,0.03744507,-0.009849548,-0.0064964294,0.024536133,-0.00818634,-0.026473999,-0.0054473877,-0.014984131,-0.025436401,0.023391724,0.050048828,0.009544373,0.05709839,0.011428833,-0.017364502,0.01335144,0.01713562,0.013832092,-0.0065994263,-0.0006198883,0.010238647,0.00036740303,0.03829956,0.03390503,-0.006881714,0.025283813,-0.011657715,-0.005970001,-0.0042686462,-0.029922485,0.01663208,-0.019760132,0.011856079,-0.019317627,0.016860962,-0.018600464,-0.030151367,0.008850098,-0.016464233,-0.022415161,-0.02281189,0.0060424805,0.0129852295,0.025894165,0.036224365,0.02041626,-0.021697998,0.0619812,-0.008796692,0.053833008,-0.00907135,0.0079574585,0.0413208,0.04824829,0.03213501,0.012496948,0.02670288,-0.03149414,0.008804321,0.050750732,0.019927979,0.0027942657,0.0019512177,-0.016815186,0.051940918,-0.006175995,0.0206604,-0.031066895,-0.0021343231,0.014923096,-0.008293152,0.0076026917,-0.005344391,-0.00033068657,0.020980835,0.050079346,-0.04598999,-0.0206604,-0.0256958,-0.0126953125,0.035827637,-0.015472412,0.012435913,0.016708374,-0.025543213,0.017333984,-0.03475952,-0.009124756,0.0043182373,0.03048706,-0.023880005,-0.031097412,-0.0032844543,0.018112183,-0.017440796,0.021759033,0.01235199,-0.0040130615,0.0048942566,0.057769775,-0.006324768,0.056762695,-0.004989624,0.022125244,0.025558472,-0.01335144,-0.022705078,0.0007548332,0.03024292,-0.015289307,0.008033752,0.049682617,-0.0009622574,0.0126953125,-0.01109314,-0.030349731,0.010688782,0.01524353,-0.0055503845,-0.011131287,0.0011348724,-0.009468079,0.001789093,0.014137268,0.008346558,0.007419586,-0.003665924,-0.014984131,0.000038683414,0.023223877,0.018478394,-0.039398193,0.01222229,0.0075950623,0.004901886,-0.019302368,-0.013557434,0.0016031265,-0.031463623,0.03326416,0.028503418,0.014099121,-0.0035247803,-0.028305054,-0.0000056028366,0.027267456,0.019882202,0.01979065,0.0051651,-0.007888794,0.0115356445,-0.022766113,-0.0055999756,-0.009788513,0.006160736,-0.0032997131,0.013160706,-0.014480591,-0.024047852,0.02557373,-0.0033283234,0.010467529,0.012878418,-0.016021729,0.01928711,-0.024749756,-0.016036987,0.0068359375,0.004676819,-0.0022678375,-0.017593384,-0.03149414,0.023742676,0.052001953,-0.0103302,0.0065727234,0.020080566,0.01159668,0.03543091,0.0340271,0.013870239,0.040527344,0.0368042,-0.016143799,-0.0068359375,0.034210205,-0.005607605,-0.033813477,0.012832642,-0.006439209,-0.037261963,0.024765015,0.0046424866,-0.017242432,-0.019958496,-0.028244019,-0.00080633163,-0.020614624,0.012374878,-0.023025513,-0.0017127991,-0.02519226,-0.019760132,-0.012397766,-0.00090026855,-0.04727173,-0.024429321,-0.016952515,-0.011787415,-0.046051025,0.0025348663,-0.03704834,-0.002822876,-0.02444458,-0.015609741,-0.000048458576,0.03463745,-0.018157959,0.00674057,0.00806427,0.036834717,-0.007774353,0.024215698,0.025253296,-0.012580872,-0.013084412,-0.0017881393,-0.013870239,-0.02281189,0.03152466,-0.019454956,0.039733887,0.00039815903,-0.011268616,-0.0011968613,-0.016113281,0.0049362183,0.003435135,-0.032287598,-0.013252258,0.016662598,0.026809692,-0.026473999,0.0028648376,0.047302246,-0.02116394,-0.031921387,0.01889038,0.04876709,0.017333984,0.035705566,-0.018722534,-0.011352539,-0.022125244,-0.0042915344,-0.01499939,0.0115737915,-0.0038261414,0.009101868,-0.011184692,-0.0062217712,0.017120361,-0.010574341,-0.008399963,0.015670776,0.009361267,-0.02545166,0.038238525,0.015609741,-0.0005631447,-0.013801575,-0.009399414,0.018707275,0.03439331,0.015670776,0.0066452026,-0.011619568,0.010437012,-0.015777588,0.0154418945,0.008865356,-0.017044067,-0.0206604,-0.020126343,-0.021499634,0.0073623657,0.0029792786,0.02482605,0.0033874512,0.022827148,-0.008270264,-0.015365601,-0.014457703,0.017181396,-0.007965088,-0.006046295,-0.0036754608,0.0023460388,0.023513794,-0.011360168,0.011375427,-0.0446167,-0.01486969,-0.008155823,-0.017364502,0.03086853,0.0026073456,-0.0065689087,0.016418457,-0.002248764,-0.0038967133,-0.011581421,0.04309082,-0.01763916,0.0028972626,0.008560181,0.014472961,-0.021102905,0.025436401,-0.015060425,-0.0030651093,0.022827148,-0.00844574,0.013702393,-0.0014333725,0.038726807,0.024093628,-0.0018548965,0.030883789,0.0011930466,0.0074920654,-0.013595581,-0.0075950623,0.005077362,-0.010894775,0.018081665,-0.01663208,-0.020553589,0.014854431,-0.018325806,-0.037261963,0.006263733,0.017791748,0.047424316,-0.025360107,0.047546387,-0.006958008,-0.016983032,0.0013303757,0.015960693,-0.018936157,-0.0071258545,0.028274536,0.01374054,-0.0015544891,-0.006210327,-0.022262573,-0.017913818,-0.014442444,0.010627747,-0.0137786865,-0.00030899048,0.0009174347,0.02166748,0.031219482,0.0043792725,0.01751709,0.02609253,0.012771606,0.026473999,-0.002462387,0.035247803,0.0010223389,-0.018585205,0.004787445,-0.0016231537,0.0056152344,-0.0104522705,0.0046424866,0.004497528,-0.03050232,0.007156372,0.00415802,0.054748535,-0.02999878,0.01411438,-0.026809692,0.00037670135,-0.031799316,0.0095825195,-0.030426025,0.020996094,0.034606934,0.0041046143,0.0010004044,0.00970459,-0.019882202,0.018432617,0.04537964,-0.00831604,-0.02381897,-0.009643555,0.00598526,0.004650116,-0.0033683777,0.02053833,-0.016906738,-0.015136719,0.008842468,-0.007633209,0.002380371,0.0073432922,0.0033283234,0.015777588,0.0025672913,-0.00945282,0.029403687,0.0003607273,-0.0021896362,-0.0074005127,0.008514404,0.026245117,0.036346436,-0.016052246,0.03970337,0.023605347,-0.0154418945,0.048858643,-0.028808594,0.0052986145,-0.023513794,0.004085541,-0.022918701,-0.0013456345,-0.0026226044,0.008453369],"createdAt":"2026-04-18T18:56:56.631Z","updatedAt":"2026-04-22T09:01:35.361Z","lastSeenAt":"2026-04-22T09:01:35.361Z","tsv":"'/api/v1/stripe/subscriptions/49':86 '0.02':97,111 '000':103 '20':102 '402 payment endpoint' '6':109 'Base network API' 'USDC API access' 'accept':225 'access':6,20,36,92,150,169 'actual':157 'address':139 'ai':61 'analyt':60 'api':5,19,35,57,91,141,168,199 'assess':234 'avail':196 'base':8,22,77,104,134 'base-network' 'behind':37,159 'call':12,26 'caller':121 'commit':147 'concret':219 'connect':211 'content':217 'cost':94 'crypto-paid API' 'data':59 'decim':110 'difficult':232 'doc':198 'document':189,220 'endpoint':30,46,85,162,224 'exact':118 'exampl':194 'financ':64 'function':158 'gate':3,17,70 'header':127 'host':53 'howev':155 'http-post' 'includ':122 'infrastructur':67 'instant':152 'integr':186 'key':142 'learn':63 'limit':144 'list':88 'lowpaymentfee' 'lowpaymentfee.com':32,50 'machin':62 'made':114 'manag':182 'mani':45 'maxamountrequir':100 'may':178 'name':166 'network':78 'no-api-key' 'offer':47 'one':43 'page':203 'paid':9,23 'particular':161 'path':173 'pay-per-call API' 'payment':112,126,132,154 'paywal':40 'per':11,25,98 'per-cal':10,24 'per-call-pricing' 'platform':51 'practic':229 'premium':4,18,34,90,167 'price':200 'prompt':213 'protocol':74 'provid':33,137 'rate':143 'readm':202 'referenc':174 'relat':179 'render':208 'request':99 'request/response':190 'requir':149 'return':227 'schema':191 'scheme':119 'settl':80 'sign':130 'site':206 'span':58 'specif':84 'stripe':185 'stripe/subscriptions':175 'subscript':181 'suggest':176 'unclear':164 'unit':105 'upfront':146 'upon':153 'url':172 'usag':193 'usdc':14,28,82,107,131 'usdc-settlement' 'util':68,230 'varieti':55 'via':71,115 'wallet':212 'web3':65 'without':218 'x':125 'x-payment':124 'x402':2,16,39,73,117 'x402 API' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"587ff21a-3a04-4f21-9098-2236aec829c9","listingId":"0e3266c4-517b-4bef-8212-ce81c16c0bfa","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/subscriptions/49","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:56:56.631Z"}],"sources":[{"listingId":"0e3266c4-517b-4bef-8212-ce81c16c0bfa","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/subscriptions/49","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:56:56.631Z","lastSeenAt":"2026-04-22T09:01:35.361Z"}],"details":{"listingId":"0e3266c4-517b-4bef-8212-ce81c16c0bfa","quickStartSnippet":"# 1. Probe the endpoint to get the x402 challenge\ncurl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/49\n# Returns 402 with x402 payment challenge\n\n# 2. Sign a USDC payment on Base for 20000 base units ($0.02)\n#    and include it in the X-PAYMENT header\ncurl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/49 \\\n  -H \"X-PAYMENT: <signed-payment-payload>\" \\\n  -H \"Content-Type: application/json\"","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 maxAmountRequired of 20000 USDC base units on Base network","source_url":"https://lowpaymentfee.com/api/v1/stripe/subscriptions/49"},{"claim":"The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stripe/subscriptions/49"},{"claim":"Docs, API, pricing, and README pages render only 'Connect wallet' with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Accessing a premium API service with per-request USDC micropayments on Base","Agent-driven API consumption without pre-registration or API keys","Programmatic subscription or Stripe-related operations (speculative based on URL path)"],"bestFor":["Developers wanting keyless, pay-per-call API access settled in USDC on Base","AI agents that can handle x402 payment challenges autonomously","Users who prefer crypto micropayments over traditional subscription billing"],"notFor":["Users needing detailed API documentation or guaranteed SLAs before purchasing","Applications requiring fiat-only payment methods","High-volume use cases where per-call pricing may not be cost-effective compared to bulk plans"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:48.259Z"},"updatedAt":"2026-04-22T09:01:35.361Z"}}