{"id":"13bd0644-b9e8-4a56-9f4b-465cbc157a80","shortId":"3vKNkD","kind":"x402","title":"Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC, no API keys required.","tagline":"Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC, no API keys required.","description":"This endpoint at lowpaymentfee.com provides a pay-per-request API accessed via the x402 protocol on the Base network. The specific path `/api/v1/ach/50` is listed under the provider's \"Premium API Access\" label. Payment is settled in USDC (USD Coin) on Base at a cost of $0.02 per request (20,000 base units with 6 decimals). No API keys, rate limits, or upfront commitments are required — callers simply attach an x402 payment header to each POST request.\n\nThe broader lowpaymentfee.com platform advertises a wide catalog of pay-per-call endpoints spanning data analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance and crypto market data, and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints share the same $0.02/request pricing model and x402 payment flow on Base.\n\nThe specific functionality behind `/api/v1/ach/50` is not clearly documented — the provider's landing page does not list this particular path among its advertised APIs, and the docs, pricing, and README pages all render only a \"Connect wallet\" prompt with no additional content. The endpoint is confirmed live (returns a valid 402 challenge), but the actual data or service it provides is unclear. Callers should be aware that documentation is essentially absent for this specific route.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key","ach-endpoint"],"categories":["finance","infrastructure"],"synonyms":["ACH API","payment processing API","x402 API","USDC micropayment","Base network API","low fee payment","pay-per-call API"],"warnings":["The specific endpoint /api/v1/ach/50 is not listed among the provider's advertised APIs on the landing page — its purpose is unclear.","All documentation pages (docs, pricing, README, api) render only a 'Connect wallet' prompt with no usable content.","No OpenAPI spec, request schema, or response schema is available — callers cannot know what to send or expect back.","The 'Premium API Access' description is generic and does not describe actual functionality."],"endpointUrl":"https://lowpaymentfee.com/api/v1/ach/50","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/50","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge, confirming pricing and payment details. However, there is no documentation for the specific /api/v1/ach/50 path, no OpenAPI schema, no request/response examples, and the docs pages are empty. The actual functionality of this endpoint is unknown.","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":"2026-04-19T02:02:18.304Z","embedding":[-0.02960205,-0.04650879,0.058410645,0.015411377,0.0030441284,-0.010269165,0.0050086975,0.0234375,0.058654785,-0.052459717,0.021865845,-0.06384277,-0.020874023,-0.016555786,-0.02468872,0.017242432,0.017974854,-0.008857727,-0.039031982,0.02079773,0.016647339,-0.0017824173,-0.012229919,0.035705566,-0.003326416,-0.031677246,-0.0049362183,-0.028625488,-0.043701172,-0.057769775,0.030776978,-0.023971558,-0.009346008,0.0024642944,-0.038970947,-0.0031719208,-0.015220642,0.042663574,0.02381897,-0.013671875,0.0017614365,-0.031036377,0.026763916,-0.0011043549,-0.034179688,-0.006000519,0.024612427,-0.023529053,-0.002407074,-0.013076782,-0.03933716,0.013542175,0.013999939,0.0044136047,0.009941101,0.022567749,0.021453857,-0.01890564,0.024963379,0.024978638,0.01928711,-0.058563232,-0.027313232,-0.0259552,0.012451172,0.051330566,-0.022766113,0.047546387,0.01234436,0.06750488,0.019500732,0.049072266,0.029541016,-0.0025501251,-0.0289917,0.003709793,0.0024471283,0.027709961,-0.0043182373,-0.002746582,-0.0022583008,-0.004966736,-0.05718994,-0.0014677048,-0.0071029663,-0.05441284,-0.026748657,0.017623901,-0.02609253,0.03527832,-0.06915283,-0.003921509,-0.011795044,0.014602661,0.019317627,0.018692017,-0.008995056,0.014915466,0.0009288788,0.010635376,-0.005153656,-0.03881836,0.02230835,0.019317627,0.03466797,0.03955078,0.03439331,0.027236938,0.0070991516,0.012001038,-0.028213501,0.010322571,-0.035888672,-0.01890564,0.013320923,-0.017120361,-0.012641907,0.018341064,-0.031463623,0.011833191,-0.050994873,0.047424316,0.019836426,0.0040016174,0.025161743,-0.025161743,-0.03250122,0.019012451,-0.02458191,-0.020141602,0.03540039,0.018432617,0.015640259,-0.02406311,-0.035125732,0.0067710876,-0.02368164,-0.015975952,-0.051727295,-0.029022217,0.016662598,-0.019485474,0.03265381,0.03289795,-0.06945801,0.035491943,-0.030517578,0.012573242,-0.017990112,-0.013549805,-0.012466431,0.017822266,0.0012760162,-0.010231018,-0.025985718,-0.0070533752,0.0011034012,0.011062622,-0.0076675415,0.032562256,-0.00066518784,0.018936157,0.035858154,-0.0034770966,0.020935059,0.037506104,-0.0044555664,-0.07354736,-0.085754395,-0.026290894,-0.01322937,-0.014915466,-0.042663574,-0.00459671,-0.02130127,-0.07556152,-0.02571106,-0.006465912,0.007785797,-0.028396606,0.016784668,-0.007019043,0.01058197,-0.0064430237,-0.06915283,-0.007686615,-0.026855469,0.04925537,0.018035889,0.012779236,0.025146484,-0.011123657,0.043182373,0.025177002,-0.013320923,-0.010917664,0.029708862,-0.01285553,0.027740479,-0.025390625,0.0028381348,-0.033416748,0.034820557,0.057922363,0.008087158,-0.014076233,-0.004058838,-0.0491333,-0.017227173,-0.011993408,0.01878357,-0.006793976,0.010925293,0.047180176,-0.042510986,-0.02822876,-0.006706238,0.028076172,0.009941101,0.020889282,-0.006504059,-0.023590088,0.016906738,0.04034424,-0.05215454,0.028961182,0.012573242,-0.005962372,-0.012298584,-0.031921387,0.04510498,0.022384644,-0.021850586,0.013420105,-0.009490967,0.027832031,-0.006511688,0.009597778,0.0074501038,-0.004852295,-0.019348145,-0.034057617,-0.011543274,0.017501831,0.0057144165,-0.028808594,-0.04019165,-0.061187744,0.068237305,0.026535034,0.041625977,0.009140015,-0.00006890297,-0.03579712,-0.017425537,-0.064941406,0.057678223,0.05279541,-0.014198303,-0.029129028,0.02407837,0.008300781,-0.050994873,0.017822266,0.006755829,-0.033599854,-0.021133423,0.018188477,-0.04840088,0.02810669,0.007030487,0.030380249,0.07043457,-0.0018205643,-0.024368286,-0.010978699,-0.030090332,-0.00034570694,-0.03414917,0.0047187805,-0.0138168335,0.0070114136,0.020690918,-0.014984131,0.0135650635,0.006843567,-0.0022239685,-0.0045661926,0.02015686,-0.009277344,-0.028335571,0.028945923,-0.015899658,-0.06506348,0.012802124,-0.0063285828,0.05340576,-0.04827881,0.044891357,-0.008628845,0.02003479,0.05935669,-0.013710022,-0.053985596,0.03265381,0.0088272095,0.008865356,0.04925537,0.008155823,-0.016845703,0.0024967194,0.07562256,-0.020263672,-0.013320923,0.00579834,0.005973816,0.019882202,-0.003019333,-0.06414795,-0.024932861,-0.0059280396,-0.028396606,0.021240234,-0.02053833,0.03643799,0.03302002,0.023590088,-0.01663208,0.013633728,-0.038726807,0.019729614,-0.046569824,0.015182495,-0.019042969,-0.031951904,0.040130615,0.008415222,-0.022476196,0.020751953,0.054992676,0.04107666,-0.004055023,-0.020324707,-0.006252289,-0.007686615,-0.021865845,0.024002075,0.016098022,0.023605347,0.050567627,-0.02305603,-0.004798889,0.018417358,0.019638062,0.018035889,0.0034275055,-0.000893116,-0.084228516,-0.060394287,-0.023803711,-0.03955078,0.034698486,0.0074043274,-0.0026359558,0.048828125,0.019210815,-0.040374756,-0.037994385,0.026550293,-0.055664062,-0.0016174316,0.023910522,-0.023361206,-0.023361206,-0.020904541,-0.008743286,0.02279663,0.015167236,0.024032593,0.031463623,0.055664062,0.025543213,-0.0019721985,0.0073280334,0.0178833,0.012794495,-0.01449585,-0.0008854866,-0.03930664,-0.009346008,0.032470703,-0.004032135,-0.018814087,-0.05419922,0.06866455,0.043518066,0.0736084,0.007873535,0.015670776,0.036865234,-0.0037555695,0.019165039,-0.031097412,-0.005783081,-0.024993896,-0.033294678,0.013931274,-0.009239197,0.00894165,-0.014511108,0.034210205,-0.015670776,0.023910522,-0.023590088,0.037872314,-0.0028877258,-0.0030727386,0.02192688,0.023605347,0.03778076,0.064575195,-0.05456543,0.0021266937,0.015716553,-0.038909912,0.007701874,0.039855957,0.013076782,0.005001068,-0.06378174,-0.037475586,0.0046920776,-0.0041389465,-0.053527832,-0.006652832,0.0042419434,0.010238647,0.04006958,-0.008361816,-0.04434204,-0.027023315,-0.0052757263,-0.048187256,0.0154800415,-0.04321289,0.012023926,0.03881836,-0.008506775,-0.009803772,0.00093984604,-0.014625549,-0.012435913,0.025604248,0.022537231,0.015716553,-0.02432251,0.045318604,0.019836426,0.009300232,0.015975952,0.046173096,-0.0028209686,0.02810669,0.059783936,0.0065345764,-0.0014944077,-0.05380249,0.024169922,-0.055664062,0.0047950745,0.024368286,-0.03387451,0.0037384033,0.0030937195,-0.032318115,-0.021713257,0.0037612915,-0.04031372,-0.008781433,0.00944519,-0.019882202,-0.0345459,-0.06365967,-0.0062408447,-0.02381897,0.045135498,0.031799316,0.009895325,-0.061706543,-0.003742218,0.02558899,0.00093221664,0.028884888,-0.014717102,-0.0053901672,-0.0022907257,-0.03668213,0.00630188,-0.005344391,0.0256958,-0.006954193,-0.021911621,0.027053833,0.019927979,0.010536194,0.0035915375,0.01209259,0.023849487,-0.039031982,0.0084991455,-0.0154953,0.048339844,0.008338928,-0.017623901,-0.049682617,0.03945923,0.016494751,0.033599854,-0.040039062,-0.0059432983,-0.03225708,0.0053901672,0.026657104,0.0032997131,0.00030946732,0.009475708,-0.0602417,-0.06530762,0.014602661,-0.019927979,0.05331421,0.030639648,-0.0037288666,0.023986816,-0.019607544,0.00014388561,0.025939941,-0.021377563,-0.012748718,-0.036193848,-0.022232056,-0.027755737,-0.019744873,-0.02029419,0.030441284,-0.01979065,0.024353027,0.0010328293,-0.013328552,0.020019531,0.010154724,-0.0031013489,0.008636475,0.000869751,0.024337769,0.03390503,-0.009414673,-0.048095703,0.033172607,-0.01411438,0.0015668869,-0.012374878,0.016296387,0.02935791,-0.026489258,-0.0028419495,-0.016113281,-0.0012083054,-0.04333496,-0.00093126297,0.018112183,0.022720337,-0.0024967194,-0.024017334,0.016036987,0.013549805,-0.046691895,-0.012283325,0.01524353,0.0063171387,-0.042388916,-0.011764526,0.013191223,0.04144287,-0.014587402,-0.0032405853,0.016616821,0.048858643,0.035827637,0.004787445,-0.0044822693,0.029144287,0.000038802624,0.022521973,-0.010643005,-0.014205933,0.0020217896,-0.010108948,0.020004272,0.010406494,-0.0006251335,0.0059394836,-0.021026611,0.003036499,-0.007865906,-0.044006348,0.035369873,0.016326904,0.033172607,-0.009918213,0.032043457,0.018157959,-0.009185791,-0.012054443,0.009376526,0.039001465,-0.018630981,-0.028839111,0.01727295,0.027053833,0.032287598,-0.04425049,0.006816864,0.0034561157,0.0017728806,-0.03741455,-0.056243896,-0.037109375,0.0030822754,0.031097412,-0.006614685,0.03186035,0.024887085,-0.007987976,0.0037956238,0.012420654,0.005645752,-0.047454834,-0.012817383,-0.047058105,-0.013916016,-0.012138367,-0.017166138,-0.032073975,0.016586304,-0.016067505,-0.026687622,-0.0013475418,-0.005596161,-0.0082473755,0.006755829,-0.0039711,0.034179688,-0.011314392,0.022750854,-0.014274597,-0.040374756,-0.019561768,0.01651001,0.041931152,-0.038726807,0.012893677,-0.011421204,0.003660202,0.016601562,0.009498596,0.02859497,0.040771484,0.010772705,0.011909485,-0.03717041,0.042816162,-0.033050537,0.013435364,-0.0006775856,-0.03062439,-0.009361267,-0.019226074,-0.01979065,0.036712646,-0.016616821,-0.010559082,-0.022537231,-0.030853271,-0.012718201,-0.05154419,0.03616333,0.027282715,0.037139893,-0.045928955,0.005722046,0.0069999695,0.0070762634,0.0030593872,0.0071029663,0.0026168823,0.013916016,0.027755737,0.0057754517,-0.0309906,-0.016815186,-0.032989502,0.016784668,-0.04562378,-0.050598145,-0.009681702,0.028411865,-0.006549835,-0.016113281,-0.02633667,-0.03414917,-0.0076026917,-0.040130615,0.027282715,-0.010635376,0.034210205,-0.004337311,-0.02444458,-0.004787445,-0.0019035339,-0.01701355,0.050476074,0.025299072,0.00056886673,-0.029708862,0.0068359375,0.005340576,0.016082764,0.001657486,-0.02180481,-0.0023021698,-0.027526855,-0.049316406,0.0016822815,0.0075683594,0.0037136078,-0.027175903,0.0019626617,-0.04776001,0.0052223206,-0.0049972534,0.021118164,0.03265381,0.020385742,0.010787964,0.0054626465,0.0057640076,-0.01524353,-0.012283325,-0.027862549,0.019561768,0.010597229,0.013305664,0.04019165,0.037384033,0.006500244,-0.02760315,-0.005908966,0.006351471,0.0070266724,-0.016174316,0.023361206,-0.008583069,0.0077285767,-0.004497528,-0.007850647,-0.026321411,-0.007118225,0.07501221,0.0014705658,-0.010543823,0.0067825317,-0.031341553,0.024383545,0.03491211,-0.032714844,0.019348145,-0.026824951,0.0054359436,-0.028259277,0.021865845,0.016296387,0.0030460358,-0.0022830963,-0.052490234,-0.004749298,0.015129089,-0.010917664,-0.083618164,-0.027648926,-0.06903076,0.011184692,-0.0027542114,-0.023971558,0.0036563873,0.018951416,-0.005882263,-0.06567383,0.009132385,0.03652954,0.015571594,0.023971558,-0.008407593,0.015716553,0.041107178,-0.0056877136,-0.019866943,0.038208008,-0.023712158,-0.01902771,-0.023605347,0.03439331,-0.0016736984,-0.006034851,-0.008369446,0.02204895,0.02458191,-0.003850937,0.008087158,-0.0038414001,0.019897461,-0.028152466,0.025634766,-0.012496948,-0.009147644,0.028411865,-0.052246094,0.017700195,0.007774353,0.004211426,0.0057296753,0.0073280334,0.03967285,-0.025344849,-0.021087646,0.0029678345,0.01676941,0.035736084,-0.02407837,0.042877197,0.017547607,0.002161026,-0.00554657,-0.007019043,-0.030151367,-0.035980225,-0.039794922,0.0418396,0.0059928894,-0.00013029575,-0.0031280518,0.0028686523,0.000477314,-0.008384705,-0.0004892349,-0.0045547485,-0.03640747,0.0034332275,0.02456665,0.003604889,0.013404846,0.006729126,0.019836426,0.02507019,0.054260254,0.0154418945,-0.004737854,-0.0038833618,0.025131226,-0.010787964,0.0060691833,0.04937744,0.016036987,0.017547607,0.032043457,0.005317688,-0.03616333,-0.023834229,-0.022506714,-0.009887695,0.0007481575,-0.01914978,-0.01398468,-0.012908936,0.0070648193,-0.014625549,-0.0345459,0.009437561,-0.01890564,-0.021759033,-0.007911682,0.001420021,0.028182983,0.009490967,-0.010925293,0.015113831,0.0069732666,0.0418396,0.00091362,-0.0004529953,0.033050537,0.04537964,0.008094788,-0.013824463,-0.014381409,-0.013175964,0.011985779,0.0057868958,-0.037506104,0.008163452,0.036315918,-0.021057129,0.022323608,-0.019012451,0.029754639,-0.011856079,-0.008514404,0.0018911362,0.0064735413,-0.0016927719,0.022232056,-0.037384033,0.028015137,0.0021686554,-0.01449585,-0.004207611,-0.019348145,-0.036956787,0.016235352,0.007686615,0.0058403015,0.040527344,-0.013587952,0.024368286,-0.048736572,-0.0004608631,0.010650635,-0.029708862,-0.022598267,0.024887085,-0.0015869141,-0.0107040405,0.011001587,-0.029800415,0.04547119,-0.031066895,0.020629883,-0.009292603,0.01777649,-0.006465912,-0.011329651,-0.016143799,-0.009117126,-0.019302368,0.00491333,-0.0063285828,0.051116943,0.021820068,0.02998352,0.056030273,0.015403748,0.012931824,-0.033172607,-0.033599854,0.018630981,0.0018024445,0.018066406,-0.022399902,0.054534912,0.029251099,0.0046157837,0.039398193,0.033569336,0.020141602,-0.018508911,0.0031738281,-0.023406982,-0.0031394958,-0.020339966,0.019500732,0.0062942505,0.046447754,-0.02659607,0.016998291,0.029205322,0.04095459,-0.03842163,0.021377563,0.0619812,0.01411438,-0.01171875,0.03881836,-0.016937256,-0.011383057,-0.021514893,-0.039398193,0.044006348,-0.012832642,0.05038452,0.062438965,0.025283813,-0.012413025,0.02557373,-0.042388916,-0.018600464,0.06072998,0.022705078,-0.024490356,-0.012001038,-0.020431519,0.02279663,-0.032287598,-0.030441284,0.027267456,-0.000019431114,0.004634857,-0.019302368,0.00083589554,-0.013336182,0.0138168335,0.022064209,0.016220093,-0.024093628,0.024871826,0.031982422,0.014839172,0.029800415,0.0075950623,0.027313232,-0.02128601,-0.018981934,-0.0029201508,0.03286743,-0.022506714,-0.010513306,0.0151901245,0.014457703,0.047790527,0.062683105,-0.018569946,0.000096559525,0.03186035,-0.002040863,-0.027893066,0.052825928,0.028442383,0.017547607,0.025283813,0.023422241,0.057891846,-0.032714844,0.014984131,0.0048713684,-0.0008559227,-0.006214142,-0.007320404,0.015281677,-0.02468872,0.01651001,-0.000064492226,-0.012367249,0.010665894,0.038360596,-0.01309967,0.008010864,-0.0026283264,0.019454956,-0.006980896,-0.003921509,0.022537231,-0.0037250519,0.024871826,0.00035333633,0.038085938,-0.019302368,0.00058460236,0.00053310394,-0.000088214874,0.0065460205,0.00667572,-0.02960205,0.020614624,0.0019798279,-0.005607605,-0.03149414,-0.0033950806,0.018859863,-0.016052246,0.022918701,0.0099105835,-0.006340027,0.002746582,0.025680542,0.017807007,0.013496399,-0.0068359375,-0.02017212,0.026977539,0.054351807,0.0121536255,0.009277344,-0.028442383,-0.0015058517,0.0047454834,-0.0028972626,-0.016693115,-0.0016479492,-0.020858765,0.0073127747,0.018707275,0.011199951,0.016433716,0.039916992,-0.025421143,-0.006134033,0.014678955,0.017807007,-0.0034275055,-0.0064811707,-0.0126571655,0.02458191,-0.024139404,0.03604126,0.026565552,0.018966675,0.0287323,-0.016983032,-0.020065308,0.009170532,-0.011177063,0.033966064,-0.020629883,0.007637024,0.0049858093,0.037353516,-0.026321411,-0.027572632,0.016479492,-0.010223389,-0.025161743,-0.015945435,0.010757446,0.006286621,0.020217896,0.033569336,0.02406311,-0.03152466,0.060394287,-0.016204834,0.051483154,-0.0065574646,-0.023376465,0.041381836,0.016494751,0.032318115,0.0048599243,0.0149002075,-0.04144287,0.026870728,0.035827637,0.037750244,0.013656616,0.024780273,0.002368927,0.04333496,-0.0075187683,0.039154053,-0.017105103,-0.002298355,0.011810303,-0.017150879,-0.013122559,0.015464783,0.0015411377,0.02923584,0.048950195,-0.016357422,-0.009819031,-0.01876831,-0.008598328,0.018234253,-0.027053833,0.015899658,-0.0025119781,-0.030273438,0.012626648,-0.030883789,-0.018661499,0.025894165,-0.0038108826,-0.049713135,-0.019607544,-0.0014104843,0.024093628,-0.015701294,0.029418945,0.030883789,-0.0029563904,0.014526367,0.041625977,-0.006587982,0.028076172,-0.0043296814,0.010955811,0.032806396,0.0034446716,-0.008514404,0.00667572,0.017089844,-0.02571106,0.016571045,0.029541016,-0.009567261,-0.0037841797,0.0135269165,-0.009346008,-0.014678955,0.0023174286,-0.016815186,0.007331848,-0.014274597,-0.013298035,-0.0129470825,-0.014129639,0.000890255,-0.005340576,-0.012748718,-0.016799927,0.0041618347,0.037109375,0.019500732,-0.047210693,-0.006477356,0.005973816,0.013748169,-0.013969421,-0.027999878,0.00047564507,-0.028518677,0.025985718,0.019454956,0.007858276,0.006160736,-0.032104492,0.0075302124,0.027053833,0.030166626,0.017791748,0.004432678,-0.0068092346,-0.0071029663,-0.025939941,-0.007850647,-0.0052871704,-0.012611389,0.012825012,0.034118652,-0.004463196,-0.02633667,0.03363037,-0.0033111572,0.009384155,0.0002682209,-0.0038642883,0.019500732,-0.006580353,0.008766174,-0.008430481,0.0065841675,-0.012825012,-0.034179688,-0.0050086975,0.02998352,0.05847168,-0.011108398,-0.0060920715,0.036132812,0.014984131,0.0054512024,0.043701172,0.012306213,0.04144287,0.024368286,-0.0015802383,-0.011894226,0.017700195,0.0016260147,-0.03302002,0.020401001,-0.011016846,-0.029800415,0.020355225,0.027832031,-0.009544373,-0.012840271,-0.01876831,-0.018676758,-0.016555786,0.02935791,-0.0013456345,0.016418457,-0.028884888,-0.003232956,0.012420654,-0.015853882,-0.03378296,-0.01940918,0.010406494,-0.010894775,-0.070251465,0.011070251,-0.036468506,0.013763428,-0.028945923,0.0028152466,-0.006626129,0.011474609,-0.019088745,0.006614685,0.0027256012,0.01966858,0.03451538,0.0016412735,0.019546509,-0.017623901,-0.026046753,-0.0016050339,-0.003578186,-0.008094788,0.043273926,-0.002708435,0.030593872,0.026809692,0.0062561035,-0.0018730164,-0.007167816,0.0025291443,-0.013008118,-0.024246216,-0.015274048,0.018859863,0.01184082,-0.016174316,-0.005382538,0.035614014,-0.02633667,-0.025375366,0.03756714,0.05810547,0.003850937,0.031585693,-0.0054855347,-0.008224487,-0.009841919,-0.0017299652,-0.0184021,0.017456055,0.00036287308,0.018478394,-0.00030565262,0.0039520264,0.010887146,-0.014533997,0.0051002502,0.027526855,0.004463196,-0.012451172,0.030914307,0.023452759,0.008033752,-0.021942139,-0.007282257,0.016601562,0.04284668,-0.0017271042,-0.0005016327,-0.014862061,0.016479492,-0.004699707,0.013053894,0.021560669,-0.029388428,-0.04208374,-0.008110046,-0.0012950897,0.025115967,0.007949829,0.013801575,-0.0158844,0.016571045,-0.011909485,-0.03967285,-0.013839722,0.023742676,-0.0005950928,-0.014572144,0.007911682,-0.011856079,0.016143799,-0.028015137,-0.015838623,-0.03265381,-0.024307251,-0.00831604,-0.010620117,0.024459839,0.022140503,-0.007331848,-0.003047943,-0.014915466,-0.014968872,-0.009140015,0.026916504,-0.009338379,-0.003440857,0.029327393,0.02494812,-0.0024528503,0.021453857,-0.0045776367,0.004924774,0.007083893,-0.01637268,0.009109497,-0.015403748,0.030853271,-0.016433716,0.006095886,0.03427124,-0.002714157,0.0064430237,-0.0440979,0.00182724,-0.008522034,0.0078048706,0.028839111,-0.024795532,-0.025054932,-0.0035514832,-0.023254395,-0.020980835,-0.006706238,0.0132751465,0.027816772,-0.011711121,0.046051025,-0.029251099,-0.021408081,0.0040779114,0.015037537,-0.01133728,0.005722046,0.030807495,0.0021457672,0.019454956,-0.01625061,-0.012336731,-0.038146973,-0.0027656555,0.015045166,-0.0026950836,0.0059051514,0.024459839,-0.0034694672,0.0395813,0.0056648254,0.0034599304,0.019607544,-0.011604309,0.035491943,-0.004623413,0.042663574,0.010955811,-0.032684326,0.0039787292,0.011299133,-0.025268555,-0.0049972534,-0.0043258667,0.014640808,-0.042938232,0.009513855,-0.0059547424,0.028961182,-0.024139404,0.005168915,-0.01940918,-0.004261017,-0.037597656,-0.007850647,-0.023910522,0.021011353,0.029418945,-0.014526367,0.046661377,0.0026950836,-0.020065308,0.011238098,0.039215088,-0.00459671,-0.031280518,-0.014663696,0.014694214,0.0011253357,0.008758545,0.037872314,-0.026611328,-0.012565613,0.0063095093,-0.016799927,0.020050049,-0.0024280548,0.027755737,-0.002029419,0.024291992,-0.013618469,0.039001465,-0.023529053,-0.007183075,0.017669678,0.002981186,0.045715332,0.01576233,-0.01272583,0.013374329,0.014335632,-0.025894165,0.054534912,-0.0075416565,0.013725281,-0.0129470825,0.0004911423,-0.03189087,-0.02331543,-0.0055885315,0.0021514893],"createdAt":"2026-04-18T18:42:11.253Z","updatedAt":"2026-04-27T12:34:23.970Z","lastSeenAt":"2026-04-27T12:34:23.970Z","tsv":"'/api/v1/ach/50':60,170 '/request':12,30,157 '0.02':11,29,84,156 '000':88 '20':87 '402':216 '6':92 'ACH API' 'Base network API' 'USDC micropayment' 'absent':236 'access':48,69 'ach':5,23 'ach-endpoint' 'actual':220 'addit':206 'advertis':119,188 'ai/ml':132 'among':186 'analysi':135 'analyt':131 'api':16,34,47,68,95,189 'attach':106 'awar':231 'base':8,26,55,79,89,165 'base-network' 'behind':169 'broader':116 'call':4,22,127 'caller':104,228 'catalog':122 'challeng':217 'classif':137 'clear':173 'coin':77 'commit':101 'confirm':211 'connect':201 'content':207 'convers':149 'cost':82 'crypto':141 'data':130,143,221 'decim':93 'doc':192 'document':174,233 'embed':138 'endpoint':6,24,38,128,152,209 'essenti':235 'financ':139 'flow':163 'function':168 'generat':150 'geocod':147 'header':110 'infer':133 'infrastructur':145 'key':17,35,96 'label':70 'land':178 'limit':98 'list':62,182 'live':212 'low fee payment' 'lowpaymentfee.com':40,117 'market':142 'model':159 'network':56 'no-api-key' 'page':179,196 'particular':184 'path':59,185 'pay':2,20,44,125 'pay-per-cal':1,19,124 'pay-per-call API' 'pay-per-request':43 'payment':71,109,162 'payment processing API' 'per':3,21,45,85,126 'platform':118 'post':113 'premium':67 'price':158,193 'prompt':203 'protocol':52 'provid':41,65,176,225 'rate':97 'readm':195 'render':198 'request':46,86,114 'requir':18,36,103 'return':213 'rout':240 'sentiment':134 'servic':223 'settl':73 'share':153 'simpli':105 'span':129 'specif':58,167,239 'summar':136 'unclear':227 'unit':90 'upfront':100 'usd':76 'usdc':14,32,75 'usdc-settlement' 'util':146 'valid':148,215 'via':9,27,49 'wallet':202 'wide':121 'x402':10,28,51,108,161 'x402 API' 'x402-payment'","prices":[{"id":"dcf6ab39-1fd6-4c54-8fe1-28187de8d626","listingId":"13bd0644-b9e8-4a56-9f4b-465cbc157a80","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/50","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:42:11.253Z"}],"sources":[{"listingId":"13bd0644-b9e8-4a56-9f4b-465cbc157a80","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/ach/50","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:42:11.253Z","lastSeenAt":"2026-04-27T12:34:23.970Z"}],"details":{"listingId":"13bd0644-b9e8-4a56-9f4b-465cbc157a80","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/ach/50 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -d '{}'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns a valid x402 402 challenge with maxAmountRequired of 20000 in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/ach/50"},{"claim":"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: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/ach/50"},{"claim":"Docs, pricing, README, and API pages render only 'Connect wallet' with no documentation content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatic ACH-related data or processing via a single pay-per-call request","Agent-driven financial workflows that need on-demand API access without subscription","Integrating x402-settled endpoints into automated pipelines on Base"],"bestFor":["Developers wanting zero-setup, keyless API access settled in USDC on Base","AI agents that can autonomously pay for API calls via x402","Users who prefer pay-as-you-go pricing with no rate limits or commitments"],"notFor":["Users who need detailed API documentation or guaranteed SLAs before integrating","High-volume consumers who would benefit from bulk/subscription pricing","Anyone unable to settle payments in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:30.955Z"},"updatedAt":"2026-04-27T12:34:23.970Z"}}