{"id":"0a4f17db-bb6e-4255-8304-5c7df5433469","shortId":"CKDwra","kind":"x402","title":"Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC","tagline":"Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC","description":"This endpoint at `/api/v1/ach/190` 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 use the x402 protocol on the Base network, accepting USDC payments with no API keys, no rate limits, and no commitments required.\n\nThe specific endpoint `/api/v1/ach/190` is listed under the generic title \"Premium API Access.\" Its exact functionality is unclear from the available documentation — the path suggests it may relate to ACH (Automated Clearing House) payment processing or financial data, but no detailed schema, request/response examples, or feature documentation is provided. The x402 challenge confirms the endpoint is live, accepting POST requests, and charges a maximum of 20,000 base units of USDC (0.02 USD per request) on the Base network.\n\nThe broader platform advertises categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. Documentation pages (`/docs`, `/pricing`, `/README`) all resolve but contain only a \"Connect wallet\" prompt with no substantive content, making it impossible to verify what this specific endpoint returns or what input it expects.","tags":[],"capabilities":["x402-payment","usdc-base-network","pay-per-request","no-api-key","http-post"],"categories":["finance"],"synonyms":["ACH API","payment processing API","lowpaymentfee","x402 API","USDC micropayment endpoint","Base network API","automated clearing house"],"warnings":["No documentation available — /docs, /pricing, and /README pages contain no content beyond 'Connect wallet'","The exact functionality of /api/v1/ach/190 is unknown; the path hints at ACH but nothing confirms this","No request or response schema is provided; callers cannot know what input to send or what output to expect","The endpoint path does not appear in the site's own listed API catalog, raising questions about its purpose"],"endpointUrl":"https://lowpaymentfee.com/api/v1/ach/190","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/190","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 there is no documentation, no request/response schema, and no explanation of what /api/v1/ach/190 actually does. The docs, pricing, and README pages are all empty stubs showing only 'Connect wallet'. 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":"2026-04-19T02:01:49.868Z","embedding":[-0.031951904,-0.043273926,0.058929443,0.023040771,0.020385742,-0.011741638,-0.007785797,0.0340271,0.053894043,-0.04675293,0.0050811768,-0.0569458,-0.032409668,-0.025344849,-0.019866943,0.02041626,0.0021076202,-0.009918213,-0.032409668,0.025039673,0.023483276,-0.017318726,-0.015090942,0.030838013,-0.0021972656,-0.03387451,-0.013549805,-0.022506714,-0.040008545,-0.0473938,0.019058228,-0.022872925,-0.02015686,0.008094788,-0.020324707,-0.0059814453,-0.014167786,0.046142578,0.00894165,-0.0061302185,-0.00020313263,-0.053253174,0.019302368,-0.005882263,-0.046661377,-0.024612427,0.008338928,-0.021087646,-0.00051021576,0.00031733513,-0.035949707,0.012313843,0.012191772,0.0018396378,0.0070991516,0.032714844,0.021316528,-0.007598877,0.0022411346,0.029922485,0.012779236,-0.062927246,-0.021591187,-0.026809692,0.004951477,0.040374756,-0.028625488,0.058929443,0.009017944,0.059387207,0.032684326,0.04776001,0.022918701,0.0031547546,-0.021362305,-0.0154418945,0.007144928,0.035003662,-0.00983429,0.004940033,-0.010604858,0.0013380051,-0.06323242,-0.00072050095,-0.017654419,-0.049957275,-0.039367676,0.023742676,-0.04083252,0.030395508,-0.05895996,0.0062179565,-0.014213562,0.009307861,0.009254456,0.015686035,-0.025375366,0.009742737,-0.0036697388,0.028579712,-0.0062942505,-0.040893555,0.025131226,0.005874634,0.026046753,0.023239136,0.035125732,0.03463745,0.0033798218,0.00034570694,-0.035888672,0.0135650635,-0.026733398,-0.015289307,0.022750854,-0.008995056,-0.012535095,0.014694214,-0.028808594,0.017669678,-0.04724121,0.04547119,0.013587952,-0.0036563873,0.02368164,-0.030960083,-0.0077209473,0.019958496,-0.043548584,-0.019256592,0.04196167,0.017684937,0.001543045,-0.03427124,-0.017745972,0.0043563843,-0.034454346,-0.016296387,-0.057922363,-0.028427124,0.026367188,-0.018676758,0.023651123,0.040893555,-0.08685303,0.0154953,-0.02947998,0.017242432,-0.02406311,-0.016403198,-0.017044067,0.03213501,-0.00390625,-0.00806427,-0.025604248,-0.01423645,0.008346558,0.026992798,-0.017211914,0.02154541,0.0011396408,0.017166138,0.023361206,0.008964539,0.03805542,0.03692627,-0.0051994324,-0.072753906,-0.0871582,-0.028961182,-0.018600464,-0.016937256,-0.035705566,-0.010871887,-0.01838684,-0.05517578,-0.031311035,-0.0062828064,-0.0038928986,-0.052368164,0.010726929,-0.027740479,0.016494751,0.0045700073,-0.08355713,-0.01789856,-0.02973938,0.03817749,0.014732361,0.009399414,0.040008545,-0.019012451,0.050598145,0.014564514,-0.021881104,-0.027542114,0.017150879,-0.008399963,0.03945923,-0.021636963,0.0101623535,-0.029129028,0.027664185,0.076049805,0.018234253,-0.016723633,-0.005077362,-0.050445557,-0.04525757,-0.03164673,0.02116394,0.0045661926,0.014259338,0.044830322,-0.03668213,-0.03729248,-0.00065135956,0.031219482,0.005138397,0.013679504,-0.006542206,-0.009353638,0.019165039,0.047302246,-0.045837402,0.029815674,0.01725769,0.0034999847,-0.005367279,-0.026016235,0.039367676,0.015625,-0.033721924,0.00036883354,-0.012825012,0.027877808,0.006298065,0.017868042,0.0013027191,-0.00071811676,-0.02330017,-0.019042969,-0.0052948,0.025604248,-0.0031738281,-0.01828003,-0.041046143,-0.06439209,0.06402588,0.04058838,0.042053223,0.0063476562,0.0009832382,-0.024963379,-0.0149383545,-0.07006836,0.04800415,0.06750488,-0.026657104,-0.010360718,0.026535034,0.018051147,-0.06274414,0.0068893433,0.006793976,-0.026657104,-0.015602112,0.012214661,-0.053833008,0.011268616,0.0064811707,0.04824829,0.06439209,-0.014350891,-0.043029785,-0.020965576,-0.025848389,0.017349243,-0.022338867,0.0033512115,-0.005847931,0.010696411,0.029251099,-0.00022339821,0.013290405,0.0020694733,-0.0065231323,-0.00856781,0.02319336,-0.0040397644,-0.040863037,0.0135650635,-0.021728516,-0.05532837,0.0068893433,-0.0034446716,0.060577393,-0.04284668,0.033203125,-0.0126953125,0.0063323975,0.050048828,-0.0079422,-0.068237305,0.020446777,0.020309448,0.015312195,0.064575195,0.014549255,-0.028030396,0.0034809113,0.076049805,-0.011520386,-0.01134491,0.007987976,-0.0012187958,0.03741455,-0.0059051514,-0.05441284,-0.035980225,-0.008529663,-0.018096924,0.022018433,-0.02709961,0.037628174,0.01625061,0.008354187,-0.016616821,0.0011758804,-0.04537964,0.011108398,-0.027618408,0.010932922,-0.024887085,-0.031021118,0.029403687,0.0065193176,-0.011810303,0.017669678,0.04095459,0.035583496,0.004589081,-0.017105103,-0.007663727,-0.0053634644,-0.011161804,0.030731201,0.02067566,0.020446777,0.05215454,-0.029876709,0.003047943,0.037017822,0.023880005,0.013038635,0.014221191,-0.008453369,-0.06781006,-0.07067871,-0.029174805,-0.041412354,0.039154053,0.0061073303,-0.010795593,0.061309814,0.009284973,-0.02609253,-0.043823242,0.030258179,-0.05834961,-0.019485474,0.0069770813,-0.011131287,-0.03387451,-0.016693115,-0.0012674332,0.008140564,0.017227173,0.0335083,0.026947021,0.055023193,0.046417236,-0.0015363693,0.0041618347,0.013961792,0.012313843,-0.011619568,-0.011177063,-0.03967285,-0.019577026,0.042175293,-0.009048462,-0.012428284,-0.06542969,0.051483154,0.044647217,0.08258057,0.006286621,0.014419556,0.03643799,-0.007736206,0.022247314,-0.032165527,-0.0093688965,-0.020446777,-0.033477783,0.0236969,-0.011177063,0.002199173,-0.0209198,0.04788208,-0.016448975,0.015533447,-0.031951904,0.04748535,-0.00374794,-0.010307312,0.022567749,0.016815186,0.044799805,0.05834961,-0.042266846,0.008773804,0.028244019,-0.026382446,0.01222229,0.040649414,0.0063552856,0.015533447,-0.052978516,-0.034576416,-0.0053367615,0.0048065186,-0.04196167,-0.011192322,0.005428314,0.02229309,0.025802612,-0.014297485,-0.047943115,-0.010406494,-0.002538681,-0.051727295,0.022872925,-0.042114258,0.0209198,0.035125732,-0.017501831,-0.010978699,0.00071525574,-0.0043525696,-0.026565552,0.013496399,0.025100708,0.006450653,-0.031433105,0.053619385,0.017227173,0.012321472,0.010383606,0.046295166,-0.008766174,0.038360596,0.05206299,0.012001038,-0.0024051666,-0.04812622,0.036590576,-0.062072754,-0.0021820068,0.023010254,-0.024810791,0.007019043,0.013908386,-0.025375366,-0.036132812,0.015289307,-0.023010254,-0.008270264,0.0041542053,-0.03237915,-0.038513184,-0.05908203,-0.015960693,-0.019485474,0.052246094,0.02027893,0.009712219,-0.058044434,0.006378174,0.029800415,0.006324768,0.026306152,-0.014274597,-0.006225586,0.007534027,-0.033599854,-0.008964539,-0.010787964,0.026535034,-0.00038695335,-0.012458801,0.030883789,0.017486572,-0.0068206787,-0.0062828064,0.014053345,0.023330688,-0.022827148,-0.0048217773,-0.023651123,0.039855957,0.007713318,-0.022445679,-0.05340576,0.031677246,-0.0005707741,0.019470215,-0.026153564,-0.00047373772,-0.01763916,0.009117126,0.02230835,0.0039253235,-0.0036563873,-0.0020484924,-0.062042236,-0.06427002,0.031402588,-0.012931824,0.044433594,0.033233643,0.01828003,0.019195557,-0.03265381,0.0034122467,0.020507812,-0.020553589,-0.013961792,-0.029129028,-0.016662598,-0.026306152,-0.017486572,-0.024871826,0.026245117,-0.00374794,0.011947632,-0.005645752,-0.019088745,0.020446777,0.0013275146,-0.0052375793,0.007572174,-0.0005726814,0.034454346,0.038848877,0.0002155304,-0.048217773,0.02758789,-0.026626587,0.0032997131,-0.011817932,0.019622803,0.02758789,-0.020355225,0.0039711,-0.015899658,-0.002910614,-0.02532959,-0.0020828247,0.02381897,0.028030396,-0.0045204163,-0.028945923,0.031204224,0.009407043,-0.047790527,-0.020690918,0.007411957,0.010871887,-0.04296875,-0.003047943,0.022323608,0.0635376,-0.00667572,-0.0049362183,0.036499023,0.044921875,0.033325195,0.0033359528,-0.0146102905,0.022064209,0.00016665459,0.019866943,-0.008544922,0.00023317337,0.013313293,-0.0007610321,0.01399231,0.013664246,-0.0021858215,0.0015764236,-0.010147095,-0.005252838,-0.012954712,-0.039489746,0.034240723,0.011581421,0.036376953,-0.0065841675,0.02545166,0.019317627,-0.017318726,-0.016311646,0.0018100739,0.04425049,-0.015853882,-0.011421204,0.021774292,0.02583313,0.0256958,-0.04824829,0.020248413,0.004634857,-0.004055023,-0.03274536,-0.070007324,-0.033691406,0.015342712,0.039154053,-0.0066070557,0.030166626,0.035980225,0.0007390976,-0.0032482147,0.022979736,0.018081665,-0.035339355,-0.02116394,-0.039764404,-0.013519287,0.0020313263,-0.013923645,-0.02330017,0.009490967,-0.0073051453,-0.0368042,-0.006324768,-0.012275696,-0.008079529,0.004196167,0.0064888,0.037322998,-0.013832092,0.009735107,-0.025222778,-0.03878784,-0.02999878,0.008056641,0.028839111,-0.037475586,0.016448975,-0.0039520264,-0.0023612976,-0.0003759861,0.005016327,0.024749756,0.028625488,0.005722046,0.02166748,-0.047668457,0.039733887,-0.02456665,0.003730774,0.0035533905,-0.03161621,-0.006225586,-0.022994995,-0.013626099,0.030731201,-0.009208679,-0.0060310364,-0.022705078,-0.025299072,-0.0030136108,-0.056671143,0.03567505,0.025924683,0.0309906,-0.022979736,0.007461548,0.0055885315,0.0053749084,0.0040512085,0.007965088,-0.004589081,0.015640259,0.032043457,0.003314972,-0.033477783,-0.020965576,-0.03741455,0.014015198,-0.040649414,-0.046966553,-0.011665344,0.026062012,-0.0010023117,-0.004333496,-0.038604736,-0.0287323,-0.007293701,-0.055603027,0.022201538,-0.0029354095,0.030578613,-0.0014810562,-0.034179688,-0.011566162,-0.012374878,-0.009284973,0.03793335,0.010528564,-0.0046424866,-0.03741455,-0.010429382,0.018997192,0.019958496,0.006767273,-0.019714355,-0.0018367767,-0.034576416,-0.05718994,-0.0028877258,0.008705139,-0.00054597855,-0.015914917,0.0029792786,-0.04284668,0.0126571655,-0.018753052,0.0023860931,0.022079468,0.0020942688,0.020843506,0.004627228,0.005458832,-0.021850586,-0.021209717,-0.019424438,0.015914917,0.010551453,0.010772705,0.03265381,0.044708252,-0.0027713776,-0.020248413,0.0021438599,0.009605408,0.0025463104,-0.020706177,0.013641357,-0.0012693405,0.005092621,-0.018341064,-0.007896423,-0.02281189,-0.00005108118,0.07684326,0.001121521,-0.00806427,-0.001115799,-0.03479004,0.017410278,0.031585693,-0.041259766,0.013587952,-0.031982422,0.019134521,-0.025405884,0.023788452,0.011650085,0.012168884,-0.0049819946,-0.05178833,-0.0072402954,0.01625061,-0.016418457,-0.07775879,-0.024459839,-0.068603516,0.0025978088,0.002954483,-0.019607544,0.009399414,0.014778137,-0.022567749,-0.08026123,0.011405945,0.040985107,0.012519836,0.017059326,-0.006259918,0.019577026,0.03640747,-0.011131287,-0.016540527,0.03668213,-0.030395508,-0.016525269,-0.03817749,0.036010742,-0.004108429,-0.00969696,0.000013589859,0.009414673,0.028915405,-0.01687622,0.008010864,-0.014831543,0.021347046,-0.015037537,0.022659302,-0.0154800415,-0.008834839,0.028839111,-0.050567627,0.0206604,0.019058228,0.0042915344,-0.0012397766,0.019226074,0.02645874,-0.031951904,-0.01234436,0.0057296753,0.006427765,0.026367188,-0.02381897,0.032226562,0.015930176,0.0073394775,-0.006690979,-0.00957489,-0.023834229,-0.02772522,-0.04284668,0.037078857,0.0034484863,0.00034689903,-0.00026988983,0.0060920715,0.0026607513,-0.006454468,0.0050315857,-0.009689331,-0.024307251,0.009208679,0.009017944,0.0050468445,0.013572693,0.0042381287,0.022750854,0.013954163,0.048339844,0.029586792,-0.014259338,-0.01512146,0.033203125,-0.009010315,0.010368347,0.040100098,0.020187378,0.014717102,0.029876709,0.021652222,-0.03918457,-0.011154175,-0.007987976,-0.003194809,0.0010948181,-0.015090942,-0.002784729,-0.0024871826,0.005695343,-0.011314392,-0.040100098,-0.00056409836,-0.019073486,-0.021316528,-0.0119018555,-0.012275696,0.020401001,0.006374359,-0.004211426,0.020614624,-0.0029087067,0.04156494,-0.00472641,-0.008857727,0.03604126,0.031951904,0.012168884,-0.022766113,-0.012916565,-0.013771057,0.013404846,0.0010232925,-0.026321411,0.007774353,0.028686523,-0.007221222,0.018356323,-0.016220093,0.029205322,-0.023666382,0.0012311935,0.0013694763,0.008934021,-0.012535095,0.029220581,-0.04006958,0.025161743,0.011695862,-0.020965576,-0.0035743713,-0.015960693,-0.032318115,0.020401001,0.005996704,0.003484726,0.016021729,-0.010879517,0.0155181885,-0.042053223,-0.0060691833,0.001909256,-0.028518677,-0.03704834,0.02798462,-0.011917114,-0.005580902,0.012260437,-0.03933716,0.03717041,-0.03933716,0.021591187,-0.009468079,0.01776123,-0.002111435,-0.00831604,-0.021606445,-0.022003174,-0.011428833,0.01473999,-0.0023326874,0.052459717,0.02746582,0.032409668,0.045166016,0.011688232,0.008094788,-0.018310547,-0.034454346,0.010391235,-0.015899658,0.026733398,-0.015129089,0.06726074,0.029907227,0.001581192,0.041046143,0.03604126,0.034362793,-0.008857727,0.0079956055,-0.014274597,-0.011352539,-0.024765015,0.016693115,0.005519867,0.040527344,-0.02128601,0.015144348,0.025222778,0.040100098,-0.04031372,0.02355957,0.07104492,0.020217896,-0.024963379,0.03982544,-0.01838684,-0.012634277,-0.017227173,-0.028625488,0.04473877,-0.008148193,0.06088257,0.051513672,0.016601562,-0.012275696,0.026290894,-0.0284729,-0.010009766,0.06555176,0.034301758,-0.02142334,-0.017852783,-0.01272583,0.018417358,-0.032836914,-0.03869629,0.0137786865,-0.007080078,0.0043296814,-0.0030384064,0.0006322861,-0.020324707,0.015930176,0.022277832,0.025115967,-0.022903442,0.02998352,0.03164673,0.012809753,0.017974854,0.013961792,0.029953003,-0.02053833,-0.012512207,0.0010938644,0.02720642,-0.026779175,-0.0031471252,0.022262573,0.0158844,0.051116943,0.05407715,-0.01864624,0.015380859,0.02067566,-0.008842468,-0.017227173,0.051971436,0.033081055,0.011405945,0.029800415,0.015670776,0.049224854,-0.035949707,0.0069885254,-0.0005016327,0.011146545,-0.0067863464,-0.0073051453,0.022903442,-0.015220642,0.019439697,-0.003358841,-0.003545761,0.01828003,0.038330078,-0.018005371,-0.0049095154,-0.006916046,0.026260376,-0.010940552,-0.0075798035,0.013977051,-0.009742737,0.03564453,-0.0052871704,0.03338623,-0.021209717,0.011245728,-0.0034103394,-0.0017662048,0.020812988,0.008087158,-0.039245605,0.019119263,0.007369995,-0.0014705658,-0.027328491,-0.0090408325,0.016098022,-0.033477783,0.009941101,0.007865906,-0.0051116943,0.005821228,0.026000977,0.022827148,0.0049819946,-0.0105896,-0.027252197,0.02017212,0.053833008,0.00674057,0.00031590462,-0.027923584,-0.00020384789,0.0072021484,-0.0035858154,-0.018798828,0.0016412735,-0.025238037,-0.011329651,0.027252197,0.030731201,0.019256592,0.03567505,-0.021514893,-0.0066947937,0.005191803,0.022705078,-0.0067100525,-0.01777649,-0.015777588,0.022766113,-0.025970459,0.054595947,0.022781372,0.013313293,0.031555176,-0.021652222,-0.026428223,0.004673004,-0.0107803345,0.021240234,-0.02168274,0.004131317,0.0051841736,0.031677246,-0.01576233,-0.03543091,0.007286072,-0.02217102,-0.020935059,-0.015312195,0.011413574,0.0087890625,0.021392822,0.029586792,0.01977539,-0.030548096,0.062561035,-0.011619568,0.05078125,-0.0042266846,-0.01828003,0.038330078,0.015289307,0.04031372,0.0068511963,0.00040245056,-0.038909912,0.031463623,0.036254883,0.039978027,0.010803223,0.008529663,-0.011009216,0.045074463,-0.0048332214,0.035705566,-0.018157959,-0.005870819,0.018600464,-0.009918213,-0.0026550293,0.014312744,0.0024585724,0.012207031,0.056427002,-0.012565613,-0.007896423,-0.017807007,-0.008201599,0.020263672,-0.021499634,0.012123108,-0.014640808,-0.02798462,0.016906738,-0.026382446,-0.016525269,0.01637268,0.008392334,-0.058929443,-0.016113281,0.008018494,0.018463135,-0.011329651,0.04034424,0.024932861,-0.0019044876,0.010353088,0.04345703,-0.008369446,0.022476196,-0.008613586,0.02029419,0.037750244,0.008430481,0.0040016174,0.011138916,0.025024414,-0.030731201,0.0149002075,0.029876709,-0.0107803345,-0.0031738281,0.012420654,-0.025405884,-0.0021972656,-0.0028018951,-0.027130127,0.014907837,-0.023712158,-0.009559631,-0.00018751621,0.0067825317,-0.0040283203,0.005355835,-0.009361267,-0.021224976,0.0022354126,0.0440979,0.02029419,-0.038635254,0.0017356873,-0.0026664734,0.0058250427,-0.029541016,-0.020568848,0.002691269,-0.034118652,0.026306152,0.028335571,0.0035915375,0.005203247,-0.026351929,0.0040359497,0.036224365,0.029403687,0.0209198,0.007858276,0.0115737915,0.00079870224,-0.020736694,-0.003396988,0.001786232,-0.016677856,0.007423401,0.031219482,-0.0061454773,-0.017974854,0.029388428,-0.0028305054,0.020263672,0.0074501038,-0.014297485,0.007396698,-0.008804321,-0.0033931732,0.0015525818,0.014419556,-0.011177063,-0.026382446,-0.006275177,0.025375366,0.047058105,-0.017715454,-0.00023365021,0.027999878,0.019485474,0.012718201,0.03414917,0.009963989,0.04135132,0.030883789,-0.0016889572,-0.011543274,0.011695862,0.0013132095,-0.02519226,0.03111267,-0.0149383545,-0.036712646,0.023834229,0.022521973,-0.0116119385,-0.022155762,-0.013214111,-0.015083313,-0.018814087,0.031829834,-0.0015916824,0.011520386,-0.034362793,-0.007369995,0.009765625,-0.013954163,-0.03717041,-0.019042969,0.00409317,-0.010612488,-0.059020996,0.010559082,-0.020095825,0.015182495,-0.024627686,-0.0027160645,-0.011909485,0.004623413,-0.02432251,0.0016002655,0.009254456,0.025024414,0.02746582,-0.007774353,0.025146484,-0.025375366,-0.028839111,0.0031490326,-0.003850937,-0.015975952,0.029434204,0.006340027,0.036987305,0.02784729,-0.0017223358,-0.007282257,-0.014160156,0.0022010803,-0.015144348,-0.019165039,-0.014343262,0.028442383,0.008331299,-0.0024738312,-0.0022888184,0.023880005,-0.021499634,-0.022445679,0.04156494,0.047821045,-0.0021781921,0.032318115,-0.01234436,-0.0035037994,-0.017547607,0.008018494,-0.0107421875,0.011459351,0.0044403076,0.010246277,-0.0052604675,0.00844574,0.0072746277,-0.016784668,-0.0029315948,0.03314209,-0.002298355,-0.006580353,0.033599854,0.013473511,0.0112838745,-0.019897461,-0.008163452,0.026657104,0.032958984,-0.0012159348,-0.0006260872,-0.0037670135,0.0085372925,0.00086688995,0.0030441284,0.02355957,-0.025894165,-0.051635742,-0.0049705505,-0.0054130554,0.013435364,0.009086609,0.0107803345,-0.008659363,0.010154724,-0.007637024,-0.025512695,-0.014053345,0.032104492,0.0030002594,-0.020706177,0.00031495094,-0.0135650635,0.027435303,-0.023742676,-0.007411957,-0.0289917,-0.028884888,-0.012031555,-0.016418457,0.030181885,0.016799927,0.00071525574,-0.0012254715,-0.0069885254,-0.015220642,0.0019283295,0.0345459,-0.014328003,-0.010063171,0.026153564,0.019577026,-0.01373291,0.026397705,-0.0051612854,0.004085541,0.017105103,-0.009384155,0.018005371,-0.008834839,0.024627686,-0.008934021,-0.0006632805,0.028060913,-0.0010442734,0.009101868,-0.034362793,-0.0017032623,-0.0063476562,0.003004074,0.027923584,-0.02545166,-0.015792847,-0.005012512,-0.021133423,-0.02722168,0.00015628338,0.0068893433,0.025222778,-0.0056266785,0.042114258,-0.042114258,-0.01777649,0.008781433,0.0041160583,-0.022521973,0.00021350384,0.027770996,0.0044822693,0.014312744,-0.020370483,-0.01876831,-0.03173828,0.0042533875,0.01638794,-0.005722046,0.0049934387,0.01512146,0.005832672,0.026489258,0.0024032593,0.016220093,0.022628784,0.0021247864,0.026885986,-0.008201599,0.058044434,0.0017662048,-0.038513184,0.009216309,0.012001038,-0.030776978,-0.0027751923,-0.019073486,0.017349243,-0.043914795,0.013137817,0.006088257,0.0234375,-0.012466431,0.00086307526,-0.024642944,0.003063202,-0.038085938,-0.008140564,-0.027130127,0.023742676,0.030548096,-0.008171082,0.031341553,-0.001209259,-0.01902771,0.012275696,0.034454346,-0.0031833649,-0.034973145,-0.006450653,0.01360321,0.00001591444,0.017562866,0.02545166,-0.015235901,-0.02142334,0.0018024445,-0.009063721,0.011924744,-0.0116119385,0.024093628,-0.0001885891,0.0256958,-0.010192871,0.034179688,-0.015930176,-0.0035533905,0.017227173,0.002603531,0.037750244,0.016036987,-0.010955811,0.02078247,0.018218994,-0.032928467,0.047576904,-0.009788513,0.026687622,-0.019714355,-0.009788513,-0.024887085,-0.0287323,-0.013755798,-0.0028305054],"createdAt":"2026-04-18T18:42:09.406Z","updatedAt":"2026-04-30T05:04:22.493Z","lastSeenAt":"2026-04-30T05:04:22.493Z","tsv":"'/api/v1/ach/190':32,86 '/docs':180 '/pricing':181 '/readme':182 '/request':12,26 '0.02':11,25,154 '000':149 '20':148 'ACH API' 'Base network API' 'USDC micropayment endpoint' 'accept':69,140 'access':95 'ach':5,19,112 'advertis':165 'ai':170 'ai/ml':52 'analyt':51,169 'api':48,74,94 'autom':113 'automated clearing house' 'avail':103 'base':8,22,67,150,160 'broader':163 'call':4,18 'categori':166 'challeng':134 'charg':144 'clear':114 'collect':42 'commit':81 'confirm':135 'connect':189 'contain':186 'content':195 'crypto':55 'data':50,120,168 'detail':123 'document':104,129,178 'endpoint':6,20,30,60,85,137,204 'exact':97 'exampl':126 'expect':210 'featur':128 'financ':54,173 'financi':119 'function':98 'generic':91 'hous':115 'http-post' 'imposs':198 'includ':167 'infer':53 'infrastructur':176 'input':208 'key':75 'learn':172 'limit':78 'list':88 'live':139 'lowpaymentfee' 'lowpaymentfee.com':37 'machin':171 'make':196 'maximum':146 'may':109 'network':68,161 'no-api-key' 'offer':40 'page':179 'part':34 'path':106 'pay':2,16,45 'pay-per-cal':1,15 'pay-per-request':44 'payment':71,116 'payment processing API' 'per':3,17,46,156 'platform':38,164 'post':141 'premium':93 'process':117 'prompt':191 'protocol':64 'provid':131 'rate':77 'relat':110 'request':47,142,157 'request/response':125 'requir':82 'resolv':184 'return':205 'schema':124 'servic':58 'span':49 'specif':84,203 'substant':194 'suggest':107 'titl':92 'unclear':100 'unit':151 'usd':155 'usdc':14,28,70,153 'usdc-base-network' 'use':61 'util':57,177 'verifi':200 'via':9,23 'wallet':190 'web3':174 'x402':10,24,63,133 'x402 API' 'x402-payment'","prices":[{"id":"f25d0a71-5990-45db-8a94-80e7592b138d","listingId":"0a4f17db-bb6e-4255-8304-5c7df5433469","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/190","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:42:09.406Z"}],"sources":[{"listingId":"0a4f17db-bb6e-4255-8304-5c7df5433469","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/ach/190","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:42:09.406Z","lastSeenAt":"2026-04-30T05:04:22.493Z"}],"details":{"listingId":"0a4f17db-bb6e-4255-8304-5c7df5433469","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/ach/190 \\\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":"The endpoint returns a valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/ach/190"},{"claim":"The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages (/docs, /pricing, /README) resolve but contain only 'Connect wallet'","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Accessing ACH-related financial data or processing via a single pay-per-call request","Integrating low-cost API calls into agent workflows without managing API keys","Making on-demand financial queries settled in USDC on Base"],"bestFor":["Developers wanting keyless, pay-per-use API access","Agent-based workflows that can settle payments via x402/USDC on Base","Low-volume or sporadic API consumers who prefer no subscriptions"],"notFor":["Users needing detailed API documentation or guaranteed SLAs before integration","High-volume consumers who would benefit from bulk pricing or rate-limited tiers","Anyone unable to pay with USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:31.171Z"},"updatedAt":"2026-04-30T05:04:22.493Z"}}