{"id":"6ca03fc9-48b7-4a9e-9130-893277487d84","shortId":"GLFvEf","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 `/api/v1/ach/109` is part of the lowpaymentfee.com platform, which offers a broad catalog of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services. All endpoints use the x402 payment protocol, settling in USDC on the Base network. The specific function of the `/api/v1/ach/109` path is not documented beyond the generic label \"Premium API Access,\" so its exact purpose is unclear — the \"ach\" path segment suggests it may relate to ACH (Automated Clearing House) banking or payment data, but this is speculative.\n\nThe endpoint is live and returns a valid x402 challenge. It accepts POST requests and charges a maximum of 20,000 base units of USDC (0.02 USD per request, since USDC uses 6 decimals). Payment is made via the x402 `exact` scheme to a specified wallet address on Base. No API keys, rate limits, or upfront commitments are required — access is purely pay-as-you-go.\n\nDocumentation is extremely sparse. The site's docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no additional content. There is no OpenAPI schema, no request/response examples, and no description of what data this endpoint actually returns. Prospective users should be aware that the exact functionality and response format are unknown from available materials.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key","post-endpoint"],"categories":["finance","infrastructure"],"synonyms":["ACH API","payment API","low fee API","x402 API","USDC pay-per-call","Base network API","micropayment API","lowpaymentfee"],"warnings":["Exact functionality of /api/v1/ach/109 is undocumented — 'Premium API Access' is a generic label applied across the platform","All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no usable content","No request or response schema available; callers cannot know what to send or expect back","The 'ach' path segment may imply regulated financial data (ACH banking), but this is unconfirmed"],"endpointUrl":"https://lowpaymentfee.com/api/v1/ach/109","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/109","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 zero documentation on what the endpoint actually does, what inputs it expects, or what it returns. No OpenAPI schema, no examples, and no meaningful docs pages. The listing is effectively a stub.","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":"2026-04-19T01:52:04.339Z","embedding":[-0.030197144,-0.0423584,0.058502197,0.016983032,0.009986877,-0.023254395,0.0021305084,0.034301758,0.052825928,-0.054138184,0.018554688,-0.06903076,-0.03656006,-0.021896362,-0.013282776,0.017059326,0.012069702,-0.009864807,-0.03451538,0.019226074,0.018417358,-0.006614685,-0.013442993,0.017211914,-0.0011281967,-0.043029785,-0.020950317,-0.020874023,-0.029281616,-0.04916382,0.018218994,-0.027893066,-0.014480591,0.0074920654,-0.023147583,0.0018510818,-0.01638794,0.041870117,0.025283813,-0.0070228577,0.0037288666,-0.043029785,0.022064209,-0.004825592,-0.04067993,-0.026657104,0.033721924,-0.019180298,-0.006603241,-0.0116119385,-0.050872803,0.016784668,0.014549255,0.012863159,0.0012350082,0.03540039,0.008071899,-0.0020942688,0.017532349,0.029754639,0.017547607,-0.057922363,-0.023880005,-0.02935791,0.019256592,0.044647217,-0.020095825,0.047546387,0.0044670105,0.06585693,0.03366089,0.06088257,0.01953125,0.0032596588,-0.016937256,-0.0013418198,-0.0007328987,0.040527344,-0.017547607,0.008926392,-0.020477295,0.003932953,-0.057403564,-0.012290955,-0.016616821,-0.044677734,-0.037139893,0.02758789,-0.03555298,0.037475586,-0.046295166,-0.0030651093,-0.025238037,0.013870239,0.00040078163,0.014640808,-0.027648926,0.023223877,0.0004503727,0.017364502,-0.0056152344,-0.031021118,0.023223877,0.0077056885,0.049560547,0.04156494,0.023498535,0.02394104,0.006454468,0.008773804,-0.022705078,0.005191803,-0.022094727,-0.016830444,0.01638794,-0.008178711,-0.0064697266,0.015235901,-0.02015686,0.007598877,-0.036193848,0.060333252,0.02230835,0.0021781921,0.029388428,-0.037261963,-0.011550903,0.012916565,-0.03805542,-0.009513855,0.05807495,0.017089844,0.009178162,-0.02456665,-0.021484375,0.009864807,-0.037322998,-0.017486572,-0.06414795,-0.025436401,0.020095825,-0.013191223,0.035705566,0.04373169,-0.06958008,0.018981934,-0.03265381,0.014877319,-0.017974854,-0.011054993,-0.004055023,0.026779175,0.0063972473,-0.015235901,-0.023712158,-0.0003476143,-0.0028743744,0.023635864,-0.013641357,0.026123047,0.0077056885,0.01109314,0.025619507,-0.000076532364,0.0231781,0.038085938,-0.003528595,-0.072631836,-0.08416748,-0.018203735,-0.013282776,-0.0055236816,-0.043914795,0.012763977,-0.016571045,-0.0769043,-0.025878906,-0.0007801056,0.0018148422,-0.037200928,0.023391724,-0.02355957,0.008682251,0.0037841797,-0.07574463,-0.015335083,-0.02909851,0.03074646,0.017913818,0.018859863,0.03164673,-0.018737793,0.03277588,0.012283325,-0.026031494,-0.015548706,0.02722168,-0.004360199,0.036621094,-0.020477295,0.012176514,-0.023712158,0.029556274,0.072509766,0.027420044,-0.017868042,-0.005466461,-0.054626465,-0.044708252,-0.021850586,0.012771606,-0.0072135925,0.007347107,0.038360596,-0.034179688,-0.027038574,0.0098724365,0.035003662,0.012313843,0.01701355,-0.026382446,-0.021224976,0.019363403,0.053771973,-0.04940796,0.02835083,0.01322937,-0.0028209686,-0.016860962,-0.029907227,0.03387451,0.013000488,-0.034088135,-0.0019168854,-0.018173218,0.034301758,0.0030155182,0.012336731,-0.0077056885,0.0023670197,-0.016036987,-0.027511597,-0.011886597,0.025299072,0.014045715,-0.015357971,-0.037078857,-0.068481445,0.06335449,0.031555176,0.03881836,0.013580322,0.0060653687,-0.022766113,-0.028900146,-0.068481445,0.051086426,0.06488037,-0.01914978,-0.011329651,0.030548096,0.005771637,-0.050231934,0.007572174,0.00025320053,-0.027648926,-0.024307251,0.010871887,-0.045562744,0.01084137,-0.009063721,0.054473877,0.0770874,-0.011077881,-0.038391113,-0.017608643,-0.030395508,0.010971069,-0.041870117,-0.0016460419,-0.0126571655,0.012298584,0.023590088,0.0058517456,0.015701294,0.003227234,-0.009140015,-0.013175964,0.015022278,-0.002904892,-0.040100098,0.024597168,-0.015792847,-0.05911255,0.01600647,-0.0034923553,0.048706055,-0.052215576,0.040863037,0.00066661835,0.0126571655,0.058929443,-0.002357483,-0.055236816,0.023986816,0.0107803345,0.012702942,0.050109863,0.0071640015,-0.009117126,0.0036506653,0.07574463,-0.014450073,-0.00003862381,0.013999939,0.004135132,0.03213501,0.0037231445,-0.046051025,-0.032714844,-0.019363403,-0.01713562,0.01689148,-0.023803711,0.03189087,0.018371582,0.009094238,-0.017456055,0.0053367615,-0.038024902,0.012809753,-0.05331421,0.022827148,-0.019515991,-0.030288696,0.022491455,0.004966736,-0.016235352,0.033813477,0.058776855,0.034240723,-0.0008134842,-0.008232117,-0.015083313,-0.015945435,-0.017471313,0.026611328,0.013793945,0.02357483,0.05923462,-0.022628784,0.0011329651,0.027542114,0.02154541,0.017181396,-0.007724762,-0.01864624,-0.07672119,-0.06585693,-0.02708435,-0.035095215,0.019760132,-0.008087158,-0.0026931763,0.052703857,0.008094788,-0.029159546,-0.046020508,0.021255493,-0.044525146,-0.013389587,0.011962891,-0.017242432,-0.043029785,-0.016220093,-0.0012569427,0.013404846,0.02571106,0.042541504,0.023254395,0.057006836,0.030212402,-0.01966858,0.02532959,0.023605347,-0.0072135925,-0.020187378,-0.010055542,-0.03640747,-0.016555786,0.040802002,0.00466156,-0.012779236,-0.057617188,0.04937744,0.040740967,0.07598877,0.0016326904,0.014297485,0.027542114,-0.0018348694,0.020462036,-0.024612427,-0.017471313,-0.017593384,-0.034088135,0.015068054,-0.0037612915,0.015220642,-0.021026611,0.0340271,-0.010299683,0.019302368,-0.037750244,0.05255127,-0.0051651,-0.0036411285,0.014587402,0.016143799,0.04598999,0.05126953,-0.05307007,-0.004600525,0.010650635,-0.033843994,0.01725769,0.043151855,0.00881958,0.0020217896,-0.059387207,-0.03439331,0.0012102127,-0.0062026978,-0.03866577,-0.018661499,0.011833191,0.012557983,0.026428223,-0.008201599,-0.044128418,-0.0184021,-0.012077332,-0.052368164,0.015548706,-0.034820557,0.015731812,0.03857422,-0.0102005005,-0.007827759,0.002286911,-0.0025291443,-0.0211792,0.0115737915,0.010276794,0.021057129,-0.025756836,0.04058838,0.023468018,0.0061302185,0.010879517,0.057403564,0.0019407272,0.030548096,0.045684814,0.0039253235,-0.002040863,-0.056610107,0.037322998,-0.05432129,0.0057373047,0.025634766,-0.02418518,0.0064888,0.0038909912,-0.035461426,-0.03353882,0.001663208,-0.035095215,-0.017944336,0.014526367,-0.025115967,-0.038024902,-0.050323486,-0.016540527,-0.024307251,0.05316162,0.029754639,0.008659363,-0.059783936,-0.010292053,0.013671875,-0.007369995,0.008895874,-0.013175964,-0.008300781,-0.0035533905,-0.0209198,-0.0006093979,-0.00630188,0.038085938,0.00749588,-0.009529114,0.025177002,0.029708862,-0.0057678223,0.005168915,0.0059547424,0.02708435,-0.037109375,0.0013198853,-0.024230957,0.03656006,0.010093689,-0.028152466,-0.04724121,0.032928467,0.001581192,0.040618896,-0.03466797,-0.012031555,-0.02583313,0.0020275116,0.03250122,0.0116119385,-0.0022087097,0.009315491,-0.05908203,-0.07861328,0.010818481,-0.011657715,0.041137695,0.038604736,0.009963989,0.032226562,-0.020111084,0.0034332275,0.01965332,-0.012077332,-0.025497437,-0.028656006,-0.025405884,-0.030441284,-0.019119263,-0.023712158,0.026412964,-0.010696411,0.022155762,-0.007282257,-0.013710022,0.021591187,-0.00157547,-0.01537323,0.01234436,0.0015335083,0.025878906,0.044281006,-0.0036506653,-0.050811768,0.03074646,-0.02180481,0.004585266,-0.014877319,0.015411377,0.025238037,-0.02444458,0.0023384094,-0.024749756,-0.0025558472,-0.027648926,-0.0016899109,0.01878357,0.028503418,0.005317688,-0.03137207,0.029037476,0.0009007454,-0.044555664,-0.0127334595,0.01838684,0.02104187,-0.04937744,0.002702713,0.015563965,0.064697266,-0.018234253,-0.0069122314,0.018798828,0.05026245,0.020492554,0.01675415,-0.012962341,0.01979065,-0.00071525574,0.019088745,-0.017120361,-0.004486084,0.0014715195,-0.0039901733,0.026809692,0.018981934,-0.008140564,0.005115509,-0.014846802,-0.009063721,-0.0068473816,-0.041656494,0.022537231,0.010650635,0.038146973,-0.017822266,0.03262329,0.022888184,-0.027923584,-0.025161743,0.0070762634,0.03930664,-0.019226074,-0.018310547,0.023834229,0.017593384,0.031402588,-0.04522705,0.0102005005,0.011833191,-0.0031604767,-0.035064697,-0.06463623,-0.032684326,0.001701355,0.036865234,-0.0019369125,0.0211792,0.032562256,0.012359619,-0.0009889603,0.016235352,0.014953613,-0.033813477,-0.021469116,-0.03930664,-0.018997192,0.00390625,-0.0073280334,-0.030563354,0.013504028,-0.0115356445,-0.030334473,0.006385803,-0.02067566,-0.0062217712,0.0050354004,0.0082473755,0.04156494,-0.012870789,0.01828003,-0.032440186,-0.040863037,-0.023727417,0.021652222,0.03149414,-0.04675293,0.020492554,-0.00036382675,-0.00092315674,0.015350342,0.0027332306,0.007019043,0.028778076,0.00466156,0.01953125,-0.03112793,0.035827637,-0.032043457,0.0041160583,0.01461792,-0.03451538,0.005970001,-0.01637268,-0.016738892,0.027770996,-0.0007209778,-0.009391785,-0.020904541,-0.029815674,-0.0058288574,-0.04864502,0.03189087,0.014656067,0.047729492,-0.038879395,0.0028572083,0.00705719,0.00048542023,0.0039749146,0.0079956055,-0.001996994,0.016113281,0.02973938,0.00013375282,-0.03552246,-0.018249512,-0.035217285,0.036315918,-0.035064697,-0.042175293,-0.0022125244,0.025756836,0.0007696152,-0.014816284,-0.0418396,-0.0362854,-0.0075149536,-0.057769775,0.021316528,-0.0119018555,0.016983032,-0.0072898865,-0.030441284,-0.009727478,-0.000467062,-0.026046753,0.034362793,0.012779236,-0.0084991455,-0.038635254,-0.009307861,0.006877899,0.017105103,0.0064353943,-0.010620117,0.010650635,-0.024536133,-0.04333496,0.010009766,0.014328003,-0.008033752,-0.012283325,0.007713318,-0.04119873,0.012184143,-0.018035889,0.016677856,0.02130127,0.013389587,0.014259338,0.010299683,0.001991272,-0.012336731,-0.02368164,-0.03277588,0.023223877,0.00945282,0.00932312,0.029968262,0.035064697,0.016738892,-0.02746582,-0.012207031,-0.003616333,0.016342163,-0.020233154,0.019805908,-0.006702423,-0.0022850037,-0.015853882,-0.011489868,-0.019378662,-0.007106781,0.061645508,-0.0029850006,-0.0040893555,-0.0015649796,-0.03540039,0.026107788,0.025985718,-0.035186768,0.008010864,-0.03164673,0.015838623,-0.027236938,0.018249512,0.01612854,0.006603241,-0.0020694733,-0.046813965,-0.007850647,0.010574341,-0.009292603,-0.07965088,-0.023727417,-0.07476807,0.008460999,0.003829956,-0.033111572,-0.0004911423,0.006790161,-0.023498535,-0.06616211,0.016952515,0.035339355,0.019760132,0.012496948,-0.017333984,0.011886597,0.03869629,-0.009796143,-0.020599365,0.029586792,-0.029083252,-0.0236969,-0.025131226,0.03805542,-0.014854431,-0.007888794,-0.0034675598,0.018936157,0.025024414,-0.015823364,0.010009766,-0.01272583,0.014717102,-0.01473999,0.021347046,-0.009780884,-0.011192322,0.03149414,-0.05731201,0.023513794,0.014854431,0.0031394958,0.0077323914,0.012481689,0.026275635,-0.036621094,-0.016677856,0.003698349,0.014984131,0.034851074,-0.028381348,0.036987305,0.015670776,0.010627747,0.00088977814,-0.0061073303,-0.01838684,-0.031204224,-0.041656494,0.03527832,0.0082092285,0.0005555153,-0.0039863586,0.0004606247,-0.0061187744,-0.0056114197,-0.0034275055,-0.012298584,-0.024887085,0.0024280548,0.015670776,0.017623901,0.010978699,-0.0025196075,0.026275635,0.025604248,0.053527832,0.022491455,-0.019134521,-0.0038013458,0.030548096,-0.0127334595,0.006351471,0.042175293,0.02255249,0.013366699,0.030944824,0.0042800903,-0.034423828,-0.0096206665,0.005050659,0.00048279762,0.0007195473,-0.018569946,-0.010818481,-0.015159607,0.0019197464,0.0037021637,-0.028778076,0.010696411,-0.03378296,-0.022079468,-0.01398468,-0.0033664703,0.018478394,0.005126953,-0.0066719055,0.008811951,0.002166748,0.047302246,-0.004890442,-0.0022716522,0.037719727,0.035308838,0.008087158,-0.0105896,-0.017684937,-0.025741577,0.009048462,0.0037021637,-0.038330078,0.00705719,0.029785156,-0.025390625,0.022125244,-0.019882202,0.027008057,-0.00982666,-0.0013694763,0.004673004,0.009086609,0.00039362907,0.042816162,-0.038726807,0.016937256,0.024520874,-0.024353027,0.008033752,-0.015533447,-0.033050537,0.027008057,0.0069503784,0.008735657,0.016830444,-0.024307251,0.020843506,-0.04522705,-0.0023670197,0.0059165955,-0.044555664,-0.023544312,0.020339966,-0.013969421,-0.0031280518,0.010566711,-0.028518677,0.040527344,-0.034332275,0.021621704,-0.0036125183,0.012359619,-0.009086609,-0.005897522,-0.027648926,-0.018203735,-0.012336731,0.023605347,-0.007686615,0.05456543,0.022323608,0.03250122,0.046447754,0.006839752,0.005897522,-0.03375244,-0.03817749,0.010482788,-0.014984131,0.012802124,-0.015098572,0.06323242,0.028656006,0.005344391,0.041931152,0.03717041,0.023223877,-0.021652222,-0.0053901672,-0.0052871704,-0.009414673,-0.028457642,0.024871826,-0.0049972534,0.04046631,-0.023513794,0.010978699,0.023071289,0.04309082,-0.043060303,0.024902344,0.06756592,0.0112838745,-0.010971069,0.038360596,-0.016403198,-0.012329102,-0.021530151,-0.024795532,0.039978027,-0.0119018555,0.05142212,0.06112671,0.011413574,-0.006855011,0.028152466,-0.04196167,-0.016830444,0.06561279,0.02319336,-0.032287598,-0.01802063,0.0034179688,0.014846802,-0.043548584,-0.02772522,0.011329651,-0.0044517517,0.0066947937,-0.00869751,-0.007736206,-0.028671265,0.0052261353,0.015411377,0.03189087,-0.0234375,0.030776978,0.036590576,0.011146545,0.020462036,0.0028896332,0.01638794,-0.016616821,-0.018325806,0.009132385,0.03164673,-0.01826477,-0.010299683,0.016342163,0.024963379,0.05239868,0.05886841,-0.01626587,0.0024204254,0.021514893,-0.013809204,-0.024230957,0.06585693,0.035583496,0.010307312,0.037628174,0.018707275,0.050231934,-0.041870117,0.013771057,-0.0031223297,0.01033783,-0.005130768,-0.020904541,0.026412964,-0.021850586,0.028121948,-0.007987976,-0.0049743652,0.021133423,0.039764404,-0.012336731,-0.0012922287,-0.009338379,0.017623901,-0.010192871,-0.013710022,0.013580322,-0.00983429,0.025405884,0.0018539429,0.030899048,-0.030517578,0.014778137,0.0034103394,-0.006500244,0.013717651,0.004760742,-0.037719727,0.023773193,0.0021800995,-0.0045394897,-0.028015137,0.00028562546,0.01574707,-0.017562866,0.01197052,0.006454468,-0.0015449524,0.0044059753,0.025512695,0.016235352,0.0116119385,-0.0009741783,-0.012916565,0.014350891,0.04650879,0.010147095,-0.0045433044,-0.01965332,-0.0011501312,0.0037021637,-0.008857727,-0.023406982,0.009208679,-0.027069092,-0.01398468,0.027923584,0.034576416,0.01637268,0.044067383,-0.021591187,-0.010192871,0.004600525,0.031433105,-0.018493652,-0.002193451,-0.009635925,0.020309448,-0.024276733,0.0574646,0.021118164,0.0058670044,0.019638062,-0.025344849,-0.028427124,0.006713867,-0.012138367,0.02784729,-0.023361206,0.0030899048,0.0019292831,0.028747559,-0.023788452,-0.03277588,0.00017511845,-0.02520752,-0.01676941,-0.021377563,0.015472412,-0.007926941,0.028305054,0.02444458,0.022033691,-0.029403687,0.057006836,-0.004928589,0.047912598,-0.012542725,-0.015159607,0.027191162,0.017745972,0.02633667,0.012229919,0.0048332214,-0.032287598,0.025848389,0.035949707,0.04928589,0.012313843,0.013847351,-0.009605408,0.044189453,-0.009490967,0.028121948,-0.01675415,-0.0062942505,0.015159607,-0.02078247,-0.0057792664,0.011146545,0.0082473755,0.017822266,0.05206299,-0.02104187,-0.008506775,-0.017211914,-0.011795044,0.019989014,-0.02633667,0.01890564,-0.0027370453,-0.023880005,0.012557983,-0.033843994,-0.014312744,0.024841309,0.008415222,-0.055999756,-0.01625061,0.007774353,0.022491455,-0.01651001,0.03125,0.036834717,-0.0087890625,0.016098022,0.049346924,-0.005306244,0.0340271,-0.0059394836,0.024765015,0.037353516,0.002506256,0.0022201538,0.014175415,0.024520874,-0.014228821,0.005970001,0.027877808,-0.007080078,-0.00051498413,0.016311646,-0.020233154,-0.006439209,-0.0026302338,-0.01134491,0.0031967163,-0.02520752,-0.006549835,-0.0010890961,-0.00045990944,-0.008430481,-0.0035114288,-0.006477356,-0.02067566,0.0075683594,0.037872314,0.020721436,-0.029754639,-0.0044136047,0.00033640862,0.005203247,-0.01902771,-0.02734375,0.001039505,-0.0345459,0.02885437,0.03213501,0.0020942688,0.009422302,-0.024734497,0.002084732,0.033935547,0.027542114,0.016113281,0.007232666,0.008323669,-0.0126953125,-0.025543213,-0.005126953,0.0062294006,-0.0020198822,0.0045318604,0.03527832,-0.012840271,-0.010375977,0.025787354,0.0054473877,0.013900757,0.0006713867,-0.003458023,0.018844604,-0.011672974,-0.0032444,-0.011428833,0.014945984,-0.022506714,-0.030319214,-0.0031871796,0.03189087,0.039031982,-0.0057373047,-0.0075798035,0.036376953,0.013710022,0.0077667236,0.03540039,0.0031013489,0.046295166,0.024093628,-0.0040626526,-0.012199402,0.0068588257,-0.00096321106,-0.02355957,0.019607544,-0.020309448,-0.01852417,0.014717102,0.028823853,-0.009506226,-0.023590088,-0.011009216,-0.021987915,-0.01979065,0.02633667,0.007457733,0.012489319,-0.04034424,-0.0054092407,0.012290955,-0.005935669,-0.03363037,-0.018600464,0.0037269592,-0.024368286,-0.06185913,0.01386261,-0.03387451,0.02394104,-0.02168274,-0.0073509216,-0.012863159,0.008491516,-0.0062217712,0.005443573,0.007446289,0.011436462,0.028320312,0.0034999847,0.02746582,-0.025924683,-0.030899048,-0.0053863525,-0.0078125,-0.021835327,0.034088135,-0.0022392273,0.031311035,0.011169434,0.0010662079,-0.003692627,-0.0055770874,-0.007003784,-0.011772156,-0.026184082,-0.01676941,0.03086853,0.016235352,0.00025963783,-0.006198883,0.029083252,-0.031280518,-0.017944336,0.043548584,0.059020996,0.005706787,0.035827637,-0.0115737915,-0.004169464,-0.013328552,0.012649536,-0.015220642,0.010398865,0.008872986,0.016952515,-0.0053138733,0.0052223206,0.0018253326,-0.016601562,-0.0011129379,0.03378296,0.0052223206,-0.009391785,0.031402588,0.014335632,0.013320923,-0.016494751,-0.0069236755,0.014450073,0.039642334,-0.0093307495,-0.004173279,-0.007423401,0.013572693,0.01109314,0.009513855,0.022216797,-0.02633667,-0.045166016,-0.0011091232,-0.006275177,0.029708862,0.013092041,0.015106201,-0.025039673,0.007572174,-0.01637268,-0.025543213,-0.010627747,0.022537231,-0.0015897751,-0.015388489,-0.008041382,-0.017471313,0.03012085,-0.018112183,-0.006149292,-0.02909851,-0.022003174,-0.014518738,-0.025756836,0.02355957,0.02279663,-0.00028038025,-0.0015010834,-0.005771637,-0.020965576,-0.0031471252,0.025848389,-0.012268066,-0.0028800964,0.02331543,0.024810791,-0.011421204,0.01272583,0.00020647049,0.0041503906,0.015525818,-0.015235901,0.018417358,-0.008514404,0.031280518,-0.01158905,0.00793457,0.031921387,-0.005718231,0.018951416,-0.03451538,-0.0014152527,-0.011871338,0.0025844574,0.015274048,-0.018844604,-0.021270752,-0.0099487305,-0.019256592,-0.019073486,0.0037288666,0.010284424,0.036254883,-0.010345459,0.044403076,-0.040405273,-0.020080566,0.019927979,0.0024814606,-0.022491455,0.0038909912,0.030166626,-0.0012550354,0.019378662,-0.017028809,-0.0206604,-0.03213501,-0.001791954,0.017913818,-0.0027999878,-0.0009560585,0.014579773,0.007080078,0.030792236,0.008735657,0.011642456,0.02067566,-0.009269714,0.026153564,-0.009208679,0.05307007,0.005393982,-0.032348633,0.0054512024,0.008964539,-0.03741455,-0.000077962875,-0.012176514,0.021621704,-0.037017822,0.009735107,-0.0075302124,0.028656006,-0.009101868,-0.005004883,-0.019958496,0.0058784485,-0.047027588,-0.0073394775,-0.028900146,0.024215698,0.034118652,-0.008872986,0.031799316,0.0019407272,-0.02027893,0.011306763,0.030593872,-0.008399963,-0.038879395,-0.011459351,0.019897461,-0.000026583672,0.00957489,0.024215698,-0.009780884,-0.022384644,0.0023479462,-0.017929077,0.0027713776,-0.015350342,0.028244019,0.013267517,0.022018433,-0.005680084,0.0309906,-0.008636475,-0.011795044,0.013908386,-0.0046424866,0.0309906,0.02508545,-0.010948181,0.016525269,0.013053894,-0.030639648,0.048950195,-0.012702942,0.024856567,-0.014854431,-0.0018758774,-0.026504517,-0.039245605,-0.019805908,-0.0077667236],"createdAt":"2026-04-18T18:41:48.203Z","updatedAt":"2026-04-27T16:34:09.136Z","lastSeenAt":"2026-04-27T16:34:09.136Z","tsv":"'/api/v1/ach/109':40,87 '/request':12,30 '0.02':11,29,151 '000':146 '20':145 '6':158 'ACH API' 'Base network API' 'USDC pay-per-call' 'accept':137 'access':98,185 'ach':5,23,106,114 'actual':233 'addit':215 'address':172 'ai/ml':61 'analyt':60 'api':16,34,57,97,176,201 'autom':115 'avail':250 'awar':239 'bank':118 'base':8,26,80,147,174 'base-network' 'beyond':92 'broad':50 'call':4,22 'catalog':51 'challeng':135 'charg':141 'clear':116 'commit':182 'connect':210 'content':216 'crypto':64 'data':59,121,230 'decim':159 'descript':227 'doc':200 'document':91,193 'endpoint':6,24,38,69,127,232 'exact':101,166,242 'exampl':224 'extrem':195 'financ':63 'format':246 'function':84,243 'generic':94 'go':192 'hous':117 'infer':62 'key':17,35,177 'label':95 'limit':179 'live':129 'low fee API' 'lowpaymentfee' 'lowpaymentfee.com':45 'made':162 'materi':251 'maximum':143 'may':111 'micropayment API' 'network':81 'no-api-key' 'offer':48 'openapi':220 'page':205 'part':42 'path':88,107 'pay':2,20,54,189 'pay-as-you-go':188 'pay-per-cal':1,19 'pay-per-request':53 'payment':73,120,160 'payment API' 'per':3,21,55,153 'platform':46 'post':138 'post-endpoint' 'premium':96 'price':202 'prompt':212 'prospect':235 'protocol':74 'pure':187 'purpos':102 'rate':178 'readm':204 'relat':112 'render':207 'request':56,139,154 'request/response':223 'requir':18,36,184 'respons':245 'return':131,234 'schema':221 'scheme':167 'segment':108 'servic':67 'settl':75 'sinc':155 'site':198 'span':58 'spars':196 'specif':83 'specifi':170 'specul':125 'suggest':109 'unclear':104 'unit':148 'unknown':248 'upfront':181 'usd':152 'usdc':14,32,77,150,156 'usdc-settlement' 'use':70,157 'user':236 'util':66 'valid':133 'via':9,27,163 'wallet':171,211 'x402':10,28,72,134,165 'x402 API' 'x402-payment'","prices":[{"id":"594e448d-3749-4672-b03b-2e2a24133d43","listingId":"6ca03fc9-48b7-4a9e-9130-893277487d84","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/109","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:41:48.203Z"}],"sources":[{"listingId":"6ca03fc9-48b7-4a9e-9130-893277487d84","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/ach/109","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:41:48.203Z","lastSeenAt":"2026-04-27T16:34:09.136Z"}],"details":{"listingId":"6ca03fc9-48b7-4a9e-9130-893277487d84","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/ach/109 \\\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/109"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/ach/109"}],"useCases":["Accessing ACH or payment-related data on a per-request basis without subscription","Integrating pay-per-call financial endpoints into agent workflows","Testing x402 payment protocol integrations with a low-cost endpoint"],"bestFor":["Developers experimenting with x402 protocol payments","Agents needing low-cost, no-auth API access on Base","One-off or low-volume requests where subscriptions are unnecessary"],"notFor":["Users who need detailed API documentation or guaranteed SLAs before integrating","High-volume production workloads where per-request pricing may add up","Anyone needing clarity on exact response schema before calling"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:32.101Z"},"updatedAt":"2026-04-27T16:34:09.136Z"}}