{"id":"892c093c-3947-426d-aa8d-8758cd699364","shortId":"6mDw6H","kind":"x402","title":"Pay-per-request ACH endpoint on Base via x402 — $0.02/call in USDC, no API keys required.","tagline":"Pay-per-request ACH endpoint on Base via x402 — $0.02/call in USDC, no API keys required.","description":"This endpoint at `/api/v1/ach/129` is part of the lowpaymentfee.com platform, which offers a collection of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services. All endpoints are gated via the x402 protocol, settling payments in USDC on the Base network. The specific function of the `/api/v1/ach/129` path is not documented beyond the generic label \"Premium API Access\"; it appears under the ACH route namespace, which may relate to ACH (Automated Clearing House) payment processing or financial data, but this is not confirmed by the available documentation.\n\nThe x402 challenge confirms the endpoint is live and accepts POST requests. It requires a maximum payment of 20,000 base units of USDC (0x8335…on Base), which equals $0.02 per request — consistent with the site-wide flat pricing of $0.02/request. The platform advertises no API keys, no rate limits, and instant access. Payment is made via the x402 `exact` scheme to the specified payTo address.\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 spec, no request/response schema, and no usage examples available. The actual functionality behind this specific endpoint remains unclear.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","ach-endpoint","no-api-key","post-method"],"categories":["finance","payments"],"synonyms":["ACH API","payment processing API","lowpaymentfee","x402 USDC endpoint","Base network API","automated clearing house","pay-per-call API"],"warnings":["The specific functionality of /api/v1/ach/129 is undocumented — 'Premium API Access' is a generic label applied across the platform.","All documentation pages (/docs, /pricing, /api, /README) return only a 'Connect wallet' prompt with no content.","No OpenAPI spec, request schema, or response schema is available.","If this endpoint relates to ACH payment processing, it may fall under financial regulation — verify compliance before use."],"endpointUrl":"https://lowpaymentfee.com/api/v1/ach/129","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/ach/129","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no request/response schema, no examples, and the actual functionality of /api/v1/ach/129 is unknown. This is 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":"2026-04-19T01:49:49.038Z","embedding":[-0.031066895,-0.03652954,0.05105591,0.013130188,0.027389526,-0.020370483,-0.00043606758,0.02720642,0.04827881,-0.052978516,0.014350891,-0.055023193,-0.036743164,-0.024963379,-0.0028209686,0.017028809,0.019638062,-0.014274597,-0.041534424,0.027755737,0.016235352,-0.014144897,-0.013710022,0.03488159,-0.008338928,-0.02558899,0.0034294128,-0.020065308,-0.037261963,-0.052093506,0.01651001,-0.029067993,-0.021026611,0.00617218,-0.017929077,-0.005706787,-0.020019531,0.05697632,0.014160156,0.0004336834,0.001326561,-0.04034424,0.016418457,-0.009101868,-0.049835205,-0.023239136,0.012969971,-0.020019531,-0.013900757,-0.00003695488,-0.0362854,0.017684937,0.004890442,0.010070801,0.006175995,0.030761719,0.0104599,-0.012924194,0.014198303,0.024093628,0.024673462,-0.047607422,-0.02444458,-0.01739502,0.018432617,0.04776001,-0.023605347,0.053497314,0.002954483,0.07702637,0.031585693,0.05166626,0.03414917,0.006755829,-0.017913818,-0.0121536255,-0.0060653687,0.035369873,-0.0060043335,0.006099701,-0.0065193176,-0.0028419495,-0.060546875,-0.0077209473,-0.011695862,-0.06427002,-0.040374756,0.018966675,-0.02949524,0.018417358,-0.04598999,0.0049438477,-0.016494751,0.016906738,-0.0038814545,0.017974854,-0.035858154,0.013679504,0.00068712234,0.021102905,-0.006210327,-0.05697632,0.018463135,0.010734558,0.04071045,0.03579712,0.029266357,0.024246216,0.008094788,-0.0045318604,-0.028060913,0.021240234,-0.032684326,-0.018341064,0.017929077,-0.015602112,-0.015319824,0.008529663,-0.015327454,0.007835388,-0.044830322,0.047607422,0.019744873,-0.0013589859,0.010292053,-0.036865234,-0.015235901,0.02078247,-0.040161133,-0.017059326,0.05142212,0.019546509,0.00097322464,-0.012176514,-0.02583313,0.01739502,-0.028808594,-0.016113281,-0.0569458,-0.0289917,0.017364502,-0.020065308,0.01007843,0.042663574,-0.08093262,0.014877319,-0.037139893,0.020111084,-0.021759033,-0.016815186,-0.008583069,0.034179688,0.008995056,-0.018188477,-0.025436401,-0.004776001,-0.0051612854,0.010482788,-0.00459671,0.03692627,0.00642395,0.01108551,0.03173828,-0.004245758,0.031341553,0.04171753,-0.01335907,-0.06567383,-0.07354736,-0.024246216,-0.0059928894,-0.0048713684,-0.04055786,-0.004627228,-0.013656616,-0.067871094,-0.03527832,-0.0103302,0.0075149536,-0.034820557,0.019836426,-0.020126343,0.012901306,0.010475159,-0.072509766,-0.0184021,-0.030471802,0.037231445,0.03137207,0.0062408447,0.022766113,-0.006034851,0.043182373,0.009475708,-0.023330688,-0.03314209,0.036376953,-0.012458801,0.034698486,-0.012557983,0.0038452148,-0.029418945,0.031463623,0.057922363,0.017654419,-0.002811432,0.0033874512,-0.056671143,-0.045684814,-0.022903442,0.015991211,-0.017852783,0.010215759,0.023239136,-0.038909912,-0.022460938,0.0025596619,0.023910522,0.017074585,0.017562866,-0.007987976,-0.017623901,0.009849548,0.05697632,-0.03540039,0.028244019,0.011985779,0.011978149,0.0019779205,-0.021881104,0.042633057,0.022399902,-0.030715942,0.0073928833,-0.027359009,0.041046143,0.009757996,0.012313843,0.006046295,0.003314972,-0.013023376,-0.029083252,-0.006706238,0.024810791,0.011581421,-0.028335571,-0.042114258,-0.05847168,0.06713867,0.038085938,0.039031982,0.018051147,-0.010139465,-0.029556274,-0.025665283,-0.08062744,0.05987549,0.071777344,-0.017700195,-0.008880615,0.032165527,0.012039185,-0.044708252,0.0027065277,0.013000488,-0.015777588,-0.01852417,0.015365601,-0.05142212,0.017211914,0.0033817291,0.056365967,0.07318115,-0.004623413,-0.036254883,-0.022003174,-0.024414062,0.0035324097,-0.033477783,0.01399231,0.0020961761,0.02192688,0.038238525,0.0023956299,0.012214661,0.008628845,-0.0071105957,-0.012832642,0.0211792,-0.006477356,-0.03994751,0.018508911,-0.003818512,-0.04260254,0.01739502,-0.001581192,0.051849365,-0.060913086,0.042419434,-0.00315094,0.008255005,0.03845215,-0.00031876564,-0.052978516,0.024154663,0.010284424,0.009635925,0.062438965,0.011947632,-0.0077400208,0.0032787323,0.078430176,-0.014373779,-0.009819031,0.025238037,0.022949219,0.040771484,0.010665894,-0.06008911,-0.024215698,-0.016906738,-0.022644043,0.024597168,-0.020858765,0.04800415,0.031982422,0.0107040405,-0.027282715,0.0059394836,-0.04827881,0.019882202,-0.03656006,0.012702942,-0.02859497,-0.03137207,0.020553589,0.02330017,-0.015701294,0.030914307,0.052886963,0.048706055,-0.0037231445,-0.00843811,-0.020263672,-0.008361816,-0.022872925,0.026870728,0.020019531,0.032806396,0.054473877,-0.03717041,0.0051498413,0.027236938,0.017745972,0.017944336,0.0026187897,-0.0107803345,-0.072265625,-0.070251465,-0.01625061,-0.039764404,0.041809082,-0.0035743713,-0.016677856,0.05606079,0.009162903,-0.023727417,-0.045654297,0.021743774,-0.037384033,-0.003276825,0.021820068,-0.025405884,-0.047180176,-0.0027370453,-0.002506256,0.029159546,0.008407593,0.038085938,0.034973145,0.053222656,0.020385742,0.015548706,0.008560181,0.03543091,0.0068092346,-0.020599365,-0.0071640015,-0.026412964,-0.013122559,0.03768921,-0.00983429,-0.010017395,-0.04562378,0.060699463,0.035125732,0.0847168,0.0043792725,0.016021729,0.043823242,-0.010559082,0.028137207,-0.02708435,-0.0029582977,-0.018218994,-0.029067993,0.012016296,-0.0104904175,0.0049858093,-0.014541626,0.026672363,-0.0011844635,0.00894165,-0.033966064,0.058624268,-0.0068473816,-0.0009794235,0.023284912,0.004627228,0.044433594,0.0413208,-0.044921875,-0.016113281,0.0038070679,-0.037994385,0.011512756,0.039154053,0.003200531,0.0075950623,-0.047302246,-0.04333496,-0.0035743713,-0.004016876,-0.05859375,-0.013221741,0.011604309,0.01612854,0.023864746,-0.021911621,-0.04638672,0.0038700104,-0.015274048,-0.056884766,0.022628784,-0.04876709,0.0070228577,0.05001831,-0.021255493,-0.020080566,0.0075035095,-0.01927185,-0.024627686,0.018127441,0.018341064,0.0076904297,-0.032714844,0.04776001,0.020019531,0.006919861,0.0053977966,0.051483154,0.0023078918,0.0362854,0.043426514,0.010025024,-0.014389038,-0.04827881,0.046142578,-0.05734253,-0.0051574707,0.016952515,-0.020324707,0.016921997,0.0013694763,-0.027175903,-0.03237915,-0.0002142191,-0.020523071,-0.0003900528,0.015571594,-0.037261963,-0.018463135,-0.054473877,-0.01878357,-0.026519775,0.046936035,0.035125732,-0.0015497208,-0.05078125,-0.0033664703,0.022399902,-0.0004968643,0.020874023,-0.01399231,-0.012664795,-0.014259338,-0.017181396,-0.0048828125,-0.01966858,0.03149414,0.0002975464,-0.0014324188,0.034851074,0.017471313,-0.006389618,-0.005794525,0.0012874603,0.026351929,-0.0357666,-0.0119018555,-0.020935059,0.027160645,0.018981934,-0.014572144,-0.048736572,0.03768921,-0.0012369156,0.033050537,-0.03366089,-0.009216309,-0.014289856,0.015289307,0.025100708,0.004497528,0.0015544891,0.01512146,-0.056793213,-0.072509766,0.02255249,-0.0115356445,0.04244995,0.02407837,0.0031795502,0.031677246,-0.02017212,-0.004989624,0.014404297,-0.019699097,-0.015670776,-0.03491211,-0.02017212,-0.035308838,-0.008026123,-0.027572632,0.031051636,-0.006259918,0.01965332,-0.0047950745,-0.01777649,0.028244019,-0.0064888,-0.0112838745,0.0053749084,-0.00062417984,0.026641846,0.043914795,-0.007511139,-0.046020508,0.027755737,-0.014915466,0.0020503998,-0.006904602,0.02027893,0.013427734,-0.020370483,0.012168884,-0.008979797,-0.005519867,-0.032165527,0.0018358231,0.022521973,0.022033691,-0.0016241074,-0.028778076,0.03137207,0.014930725,-0.03869629,-0.017974854,0.0019760132,0.014198303,-0.053527832,-0.0028915405,0.015403748,0.05529785,-0.017044067,-0.0077934265,0.018234253,0.043182373,0.023101807,0.010917664,-0.016601562,0.029006958,-0.009971619,0.008171082,-0.011512756,-0.013809204,0.0027637482,-0.0067253113,0.018539429,0.022506714,-0.0049819946,-0.003490448,-0.01966858,-0.016296387,-0.0154418945,-0.03591919,0.03363037,0.012809753,0.04260254,-0.01449585,0.03640747,0.021484375,-0.015930176,-0.017166138,-0.0023822784,0.04156494,-0.018463135,-0.02180481,0.015357971,0.016525269,0.0340271,-0.046539307,0.004245758,0.009986877,-0.008781433,-0.033477783,-0.059143066,-0.030792236,0.0046844482,0.041625977,-0.012672424,0.02545166,0.033416748,0.0038394928,0.0051727295,0.014579773,0.019729614,-0.03125,-0.012031555,-0.042907715,-0.020904541,0.00554657,-0.012817383,-0.024536133,0.0063476562,-0.013374329,-0.028182983,0.0041618347,-0.011520386,-0.006793976,-0.0064697266,0.013267517,0.04788208,-0.007259369,0.024841309,-0.024871826,-0.035125732,-0.026763916,0.028671265,0.03765869,-0.038391113,0.017211914,-0.004081726,-0.0045318604,-0.0017967224,-0.003742218,0.010177612,0.0256958,0.0047721863,0.02810669,-0.03894043,0.036071777,-0.025314331,0.0035552979,-0.0033874512,-0.020935059,-0.0033950806,-0.021011353,-0.01939392,0.0289917,-0.015396118,0.0011863708,-0.022323608,-0.024719238,-0.0034942627,-0.053863525,0.028411865,0.017303467,0.037902832,-0.03781128,0.003921509,0.010650635,0.016448975,0.0015640259,0.0051193237,-0.0032100677,0.016036987,0.025024414,-0.0034656525,-0.021331787,-0.026184082,-0.02243042,0.022033691,-0.035614014,-0.04248047,-0.015007019,0.029571533,-0.0058059692,-0.014595032,-0.039215088,-0.04373169,-0.005607605,-0.048614502,0.032470703,-0.010223389,0.034057617,0.005908966,-0.029266357,-0.008781433,-0.0036449432,-0.020965576,0.044647217,0.0012865067,-0.014198303,-0.02784729,-0.009666443,0.011116028,0.017593384,0.010269165,-0.01322937,0.0015497208,-0.02217102,-0.051605225,0.007511139,0.0054779053,-0.0030117035,-0.015045166,0.013999939,-0.043792725,0.0008673668,-0.021408081,0.010566711,0.027511597,0.016784668,0.018997192,0.008964539,-0.00056409836,-0.011688232,-0.025924683,-0.025939941,0.018341064,0.010147095,0.0047454834,0.03503418,0.041778564,0.006942749,-0.025512695,-0.006706238,0.015007019,0.016281128,-0.025939941,0.010101318,-0.0045318604,0.0057640076,-0.011497498,-0.014533997,-0.018447876,-0.0005311966,0.06903076,-0.007091522,-0.0074310303,0.011772156,-0.027618408,0.026763916,0.037719727,-0.03768921,0.013694763,-0.028060913,0.024795532,-0.029571533,0.024230957,0.0048828125,0.004573822,-0.006412506,-0.05105591,-0.013244629,0.00844574,-0.018966675,-0.08630371,-0.025939941,-0.07324219,0.0026512146,0.0027065277,-0.021011353,0.004699707,0.019622803,-0.030380249,-0.061767578,0.014709473,0.036590576,0.01008606,0.017608643,-0.010215759,0.027130127,0.0395813,-0.0115356445,-0.016906738,0.027999878,-0.02949524,-0.026519775,-0.022979736,0.04397583,-0.01260376,-0.008163452,0.0018224716,0.020523071,0.025512695,-0.018249512,0.0064048767,-0.01852417,0.00894165,-0.010307312,0.020004272,-0.008323669,-0.010520935,0.019561768,-0.053710938,0.026824951,0.008720398,0.009536743,0.005596161,0.018463135,0.024871826,-0.02960205,-0.017547607,0.016036987,0.021148682,0.035003662,-0.029754639,0.04260254,0.017456055,0.0004682541,-0.011398315,-0.013473511,-0.021072388,-0.036132812,-0.05343628,0.03189087,0.011802673,0.008781433,0.0040397644,0.0015258789,-0.0121154785,0.0046844482,-0.010345459,-0.015113831,-0.03652954,0.017166138,0.009063721,0.004749298,0.026794434,-0.0025939941,0.028625488,0.026748657,0.04550171,0.011238098,-0.004081726,-0.015068054,0.026794434,-0.0049858093,-0.0033493042,0.04083252,0.027679443,0.010261536,0.030532837,-0.00070524216,-0.044189453,-0.005908966,-0.007896423,-0.003780365,-0.0095825195,-0.016204834,-0.0046463013,-0.013015747,0.0009212494,-0.0121536255,-0.029144287,0.010444641,-0.031204224,-0.02166748,-0.011207581,0.0052871704,0.017196655,0.0073928833,-0.0023937225,0.0178833,-0.0031433105,0.033477783,-0.010116577,-0.007411957,0.028701782,0.042419434,0.006931305,-0.011230469,-0.01651001,-0.015914917,0.009109497,-0.006587982,-0.038513184,0.011123657,0.023757935,-0.009147644,0.02192688,-0.02041626,0.036102295,-0.013076782,0.007297516,0.0017795563,0.004333496,-0.0062789917,0.04812622,-0.040039062,0.022857666,0.008041382,-0.009002686,0.0045166016,-0.011177063,-0.039398193,0.021774292,0.011489868,0.0072669983,0.032714844,-0.02494812,0.01979065,-0.03845215,-0.0119018555,-0.0026435852,-0.022491455,-0.029159546,0.022827148,-0.0076904297,-0.0077400208,0.008636475,-0.029373169,0.035247803,-0.043548584,0.011795044,-0.0072669983,0.018829346,-0.0027637482,-0.0059661865,-0.019119263,-0.02709961,-0.007827759,0.013267517,-0.00072813034,0.05621338,0.030944824,0.030654907,0.0513916,0.016403198,0.012077332,-0.023742676,-0.04345703,0.012191772,-0.011245728,0.013267517,-0.016967773,0.07086182,0.030548096,0.005832672,0.05166626,0.02482605,0.03982544,-0.02355957,0.0014438629,-0.0024433136,-0.0032291412,-0.028320312,0.013694763,-0.013320923,0.031951904,-0.026794434,0.020523071,0.019866943,0.04333496,-0.03894043,0.01928711,0.06173706,0.0098724365,-0.028182983,0.048217773,-0.02217102,-0.0035114288,-0.025115967,-0.029525757,0.0440979,0.0036296844,0.052520752,0.052825928,0.01902771,-0.008987427,0.029266357,-0.029724121,-0.018875122,0.055847168,0.028335571,-0.0256958,-0.016571045,-0.019088745,0.016281128,-0.042114258,-0.026260376,0.016830444,-0.0010995865,0.0034885406,-0.0029354095,-0.0027637482,-0.013809204,0.0076828003,0.016555786,0.012702942,-0.027435303,0.01802063,0.02532959,0.008163452,0.031463623,0.008224487,0.019561768,-0.022277832,-0.0005092621,0.006149292,0.023284912,-0.025253296,-0.00005209446,0.024307251,0.01159668,0.04699707,0.053375244,-0.026931763,-0.0010509491,0.01763916,0.003993988,-0.014816284,0.060394287,0.030426025,0.011726379,0.031555176,0.016906738,0.040161133,-0.0423584,0.006755829,-0.006526947,0.014633179,-0.003074646,-0.0065689087,0.020523071,-0.023620605,0.013710022,-0.0002834797,-0.0029029846,0.019699097,0.03274536,-0.009246826,0.0061454773,-0.008659363,0.016082764,-0.009429932,-0.013847351,0.010375977,-0.010856628,0.026062012,0.0048294067,0.032318115,-0.02532959,0.011001587,-0.0046043396,-0.001452446,0.017532349,0.0004708767,-0.035461426,0.015975952,0.001791954,-0.004131317,-0.02267456,-0.014503479,0.022247314,-0.028656006,0.011390686,0.009727478,0.00075674057,0.0058021545,0.025878906,0.029556274,0.006126404,-0.014328003,-0.0052223206,0.01977539,0.05001831,-0.00035834312,0.0020713806,-0.028182983,-0.0039100647,0.020584106,-0.0025234222,-0.0107040405,0.007534027,-0.01864624,-0.0104599,0.030197144,0.032073975,0.020599365,0.04373169,-0.022445679,-0.0036945343,0.008422852,0.02520752,-0.006034851,-0.003955841,-0.019515991,0.036956787,-0.03378296,0.051483154,0.031021118,0.009025574,0.02003479,-0.019454956,-0.021896362,0.005130768,-0.007575989,0.023132324,-0.023635864,-0.0036201477,-0.0025672913,0.033050537,-0.020614624,-0.03765869,0.0028209686,-0.015319824,-0.013267517,-0.016281128,0.01725769,0.0034599304,0.02798462,0.026184082,0.020767212,-0.02281189,0.06210327,-0.0087890625,0.05441284,-0.0124435425,-0.014122009,0.039093018,0.011383057,0.031585693,0.0029201508,0.0036640167,-0.029296875,0.031951904,0.034454346,0.05456543,0.013397217,0.01663208,-0.019622803,0.050079346,-0.00818634,0.03527832,-0.025726318,-0.0041236877,0.013298035,-0.007865906,-0.013633728,0.02142334,0.0009946823,0.017547607,0.06137085,-0.025405884,-0.017807007,-0.010910034,-0.015701294,0.0211792,-0.02545166,0.017807007,-0.007041931,-0.03338623,-0.0001591444,-0.029220581,-0.020004272,0.025634766,0.008872986,-0.044525146,-0.022720337,0.0047798157,0.015396118,-0.026031494,0.026260376,0.03643799,-0.004749298,0.017791748,0.04006958,0.0017604828,0.02784729,-0.010787964,0.01826477,0.034179688,0.012237549,0.0037899017,0.009437561,0.029815674,-0.024734497,0.0062942505,0.024337769,-0.010879517,0.0025196075,0.02268982,-0.017822266,-0.0049552917,-0.001121521,-0.018737793,0.0055389404,-0.018875122,-0.009086609,0.0002194643,-0.0014743805,0.0030326843,-0.0019207001,-0.0055885315,-0.020431519,0.0065727234,0.03616333,0.015197754,-0.036834717,0.0025749207,0.0030174255,0.009918213,-0.013465881,-0.018341064,0.0121536255,-0.033843994,0.026519775,0.033447266,0.013900757,-0.0006585121,-0.0335083,0.009719849,0.040252686,0.03793335,0.009635925,0.009689331,0.010955811,0.0077819824,-0.015472412,0.00060129166,0.002046585,-0.01638794,0.0039634705,0.024002075,-0.004497528,-0.020843506,0.030273438,0.010009766,0.014877319,0.0028533936,-0.009338379,0.017730713,-0.0008211136,0.0032424927,-0.0047912598,0.0042152405,-0.016326904,-0.023239136,-0.012084961,0.028396606,0.055358887,-0.0129776,-0.011291504,0.02633667,0.016647339,0.006958008,0.041381836,0.004886627,0.040374756,0.025726318,-0.0152282715,-0.010940552,0.0024719238,-0.0037899017,-0.023956299,0.018478394,-0.012939453,-0.03277588,0.016555786,0.014350891,-0.008026123,-0.03050232,-0.008796692,-0.013145447,-0.024734497,0.03164673,0.000108897686,0.010551453,-0.03152466,-0.0055389404,0.01838684,-0.010223389,-0.029556274,-0.02168274,0.012931824,-0.020355225,-0.05996704,0.0128479,-0.02494812,0.01689148,-0.014480591,-0.00052165985,-0.010658264,0.010467529,-0.024642944,0.0056991577,0.022888184,0.023239136,0.018371582,0.0069770813,0.033447266,-0.017196655,-0.028518677,-0.0027694702,-0.006614685,-0.015563965,0.034851074,-0.0010194778,0.035461426,0.015670776,0.010559082,-0.0038700104,-0.013053894,0.00315094,-0.013221741,-0.020507812,-0.0087509155,0.027542114,0.019943237,-0.000009894371,-0.003955841,0.03616333,-0.0146484375,-0.013191223,0.04385376,0.054870605,0.0009589195,0.03479004,-0.0008254051,-0.0075569153,-0.018966675,0.004508972,-0.017974854,0.013137817,-0.0020332336,0.011077881,0.002664566,0.012641907,0.002412796,-0.022659302,0.006790161,0.036468506,0.0119018555,-0.008506775,0.027160645,0.016738892,0.009803772,-0.018875122,-0.0067749023,0.018707275,0.045806885,-0.00497818,-0.0025959015,-0.0124053955,0.0128479,0.010658264,0.009666443,0.020889282,-0.023757935,-0.046936035,-0.0033493042,-0.011428833,0.025436401,-0.00030064583,0.009063721,-0.014389038,0.0060272217,-0.003944397,-0.024246216,-0.020065308,0.023971558,-0.010093689,-0.015808105,-0.0019292831,-0.010871887,0.016662598,-0.02659607,-0.010643005,-0.028701782,-0.016326904,-0.01235199,-0.009536743,0.028884888,0.022109985,-0.0087890625,-0.00010699034,-0.013671875,-0.021560669,-0.0041618347,0.0287323,-0.004322052,-0.0052948,0.018218994,0.031204224,-0.019699097,0.018218994,0.00065660477,0.0038928986,0.015274048,-0.01676941,0.01953125,0.0019893646,0.02079773,-0.010467529,0.0023937225,0.03451538,-0.0042152405,-0.0021324158,-0.033843994,-0.001950264,-0.017074585,0.00497818,0.024520874,-0.018218994,-0.020736694,-0.009147644,-0.015731812,-0.017532349,0.004917145,0.014183044,0.030960083,-0.010971069,0.041992188,-0.033966064,-0.010650635,0.0061302185,0.008613586,-0.020523071,0.0027561188,0.023590088,0.0058898926,0.020507812,-0.014785767,-0.014297485,-0.036254883,-0.0024719238,0.015571594,-0.010383606,-0.000008702278,0.009231567,0.0093688965,0.031585693,0.00070142746,0.0044898987,0.029724121,-0.0070724487,0.031982422,-0.0047187805,0.042175293,0.009567261,-0.039001465,0.010398865,0.005191803,-0.032714844,0.0014848709,-0.016143799,0.024108887,-0.047180176,0.011253357,-0.000111699104,0.024841309,-0.025634766,0.005771637,-0.016448975,0.008972168,-0.033416748,-0.00038337708,-0.030548096,0.032409668,0.023406982,0.0016813278,0.034362793,0.0072898865,-0.023254395,0.013069153,0.04135132,-0.009231567,-0.04660034,-0.022705078,0.015716553,-0.0034694672,0.014854431,0.024383545,-0.02305603,-0.025512695,0.0055389404,-0.01133728,0.008369446,-0.017196655,0.017913818,0.015563965,0.026519775,0.0038394928,0.024902344,-0.011695862,0.0027923584,0.018234253,-0.0058288574,0.042510986,0.020126343,-0.030639648,0.013374329,0.024520874,-0.028656006,0.03942871,-0.010406494,0.028335571,-0.020523071,-0.0093307495,-0.028778076,-0.030731201,-0.010192871,0.0012798309],"createdAt":"2026-04-18T18:41:57.291Z","updatedAt":"2026-04-24T22:32:10.956Z","lastSeenAt":"2026-04-24T22:32:10.956Z","tsv":"'/api':207 '/api/v1/ach/129':40,88 '/call':12,30 '/docs':206 '/pricing':208 '/readme':210 '/request':171 '0.02':11,29,158,170 '000':148 '0x8335':153 '20':147 'ACH API' 'Base network API' 'accept':138 'access':99,183 'ach':5,23,104,111 'ach-endpoint' 'actual':237 'address':196 'advertis':174 'ai/ml':60 'analyt':59 'api':16,34,56,98,176 'appear':101 'autom':112 'automated clearing house' 'avail':127,235 'base':8,26,81,149,155 'behind':239 'beyond':93,198 'challeng':131 'clear':113 'collect':50 'confirm':124,132 'connect':216 'consist':161 'content':222 'crypto':63 'data':58,119 'document':92,128,197 'endpoint':6,24,38,68,134,242 'equal':157 'exact':190 'exampl':234 'extrem':203 'financ':62 'financi':118 'flat':167 'function':85,238 'gate':70 'generic':95 'hous':114 'infer':61 'instant':182 'key':17,35,177 'label':96 'land':200 'limit':180 'live':136 'lowpaymentfee' 'lowpaymentfee.com':45 'made':186 'maximum':144 'may':108 'namespac':106 'network':82 'no-api-key' 'offer':48 'openapi':226 'page':201,211 'part':42 'path':89 'pay':2,20,53 'pay-per-call API' 'pay-per-request':1,19,52 'payment':76,115,145,184 'payment processing API' 'payto':195 'per':3,21,54,159 'platform':46,173 'post':139 'post-method' 'premium':97 'price':168 'process':116 'prompt':218 'protocol':74 'rate':179 'relat':109 'remain':243 'render':213 'request':4,22,55,140,160 'request/response':229 'requir':18,36,142 'rout':105 'schema':230 'scheme':191 'servic':66 'settl':75 'site':165 'site-wid':164 'span':57 'spars':204 'spec':227 'specif':84,241 'specifi':194 'substant':221 'unclear':244 'unit':150 'usag':233 'usdc':14,32,78,152 'usdc-base' 'util':65 'via':9,27,71,187 'wallet':217 'wide':166 'x402':10,28,73,130,189 'x402 USDC endpoint' 'x402-payment'","prices":[{"id":"de5ff03d-b8ec-4996-bc04-47a1297d94ab","listingId":"892c093c-3947-426d-aa8d-8758cd699364","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/ach/129","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:41:57.291Z"}],"sources":[{"listingId":"892c093c-3947-426d-aa8d-8758cd699364","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/ach/129","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:41:57.291Z","lastSeenAt":"2026-04-24T22:32:10.956Z"}],"details":{"listingId":"892c093c-3947-426d-aa8d-8758cd699364","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/ach/129 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\n  -d '{}'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Flat pricing of $0.02 per request across all endpoints","source_url":"https://lowpaymentfee.com"},{"claim":"No API keys, no rate limits, instant access, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"x402 challenge returns maxAmountRequired of 20000 base units of USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base","source_url":"https://lowpaymentfee.com/api/v1/ach/129"}],"useCases":["Programmatic ACH-related data retrieval or payment initiation (inferred from route name)","Agent-driven financial operations settled per-call in USDC on Base","Integrating low-cost pay-per-request financial endpoints without managing API keys"],"bestFor":["Developers wanting zero-commitment, pay-as-you-go API access","AI agents that can settle x402 payments autonomously on Base","Projects needing low-cost per-request financial endpoints"],"notFor":["Users who need detailed API documentation or guaranteed SLAs before integrating","High-volume use cases where $0.02/request adds up and bulk pricing would be preferred","Anyone who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:31.724Z"},"updatedAt":"2026-04-24T22:32:10.956Z"}}