{"id":"1f2a7f0d-bf05-47ec-8582-1eb792b158ea","shortId":"FwFk5w","kind":"x402","title":"x402-gated backup endpoint on Base, pay-per-request with USDC at $0.02/call.","tagline":"x402-gated backup endpoint on Base, pay-per-request with USDC at $0.02/call.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" resource at the path `/api/v1/backups/32`. It is part of a broader platform offering dozens of pay-per-call API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all gated behind the x402 payment protocol on the Base network.\n\nThe specific `/api/v1/backups/32` endpoint accepts POST requests and returns `application/json`. Payment is settled in USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` on Base) with a maximum amount of 20,000 base units, which equals $0.02 (USDC uses 6 decimals). The x402 challenge confirms the endpoint is live and version 1 of the protocol is in use, with a 300-second payment timeout.\n\nThe platform advertises a uniform $0.02 per request pricing model across all its endpoints, with no API keys, no rate limits, no minimums, and instant access. Documentation pages (`/docs`, `/pricing`, `/api`, `/README`) all appear to require wallet connection and contain no substantive content in the crawl. The exact functionality of the `/api/v1/backups/32` resource is not documented — the name suggests a backup retrieval or creation operation, but no schema or description beyond \"Premium API Access\" is available.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","json-response","post-method","backup-api"],"categories":["storage","infrastructure"],"synonyms":["backup API","x402 endpoint","USDC micropayment API","Base network API","pay-per-call backup","lowpaymentfee","premium API access"],"warnings":["The exact functionality of /api/v1/backups/32 is unknown — 'Premium API Access' is a generic label used across the platform","All documentation pages (/docs, /pricing, /api, /README) returned no useful content, only a wallet-connect prompt","No request body schema or response schema is available","No OpenAPI spec or AI plugin manifest found"],"endpointUrl":"https://lowpaymentfee.com/api/v1/backups/32","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/backups/32","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","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, and no explanation of what '/api/v1/backups/32' actually does. The docs, pricing, and README pages are all empty behind a wallet-connect gate. 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":"2026-04-19T16:07:01.666Z","embedding":[-0.030166626,-0.0016317368,0.05355835,0.0065994263,-0.004600525,-0.0154800415,-0.0059776306,0.042663574,0.06463623,-0.08709717,0.030395508,-0.040985107,-0.046295166,-0.053344727,-0.035491943,0.030166626,-0.041259766,-0.017593384,-0.050567627,0.008483887,0.023147583,-0.03378296,-0.006149292,0.029785156,0.02281189,-0.025543213,-0.010917664,-0.0135269165,-0.0013780594,-0.04446411,0.023010254,-0.031173706,-0.008476257,0.0038928986,-0.00060892105,0.026809692,0.013069153,0.028396606,0.017944336,0.0034313202,0.022399902,-0.05581665,-0.0021514893,0.0022392273,-0.02470398,-0.015060425,0.001707077,-0.030227661,-0.004688263,-0.013938904,-0.008171082,-0.007896423,-0.036712646,0.005809784,0.027648926,0.0033950806,0.019104004,-0.0031642914,0.0075569153,0.028274536,-0.0053710938,-0.06903076,-0.024810791,-0.038513184,-0.0035438538,0.044403076,0.005367279,0.058685303,-0.02180481,0.051971436,0.024612427,0.05657959,0.0134887695,0.014007568,-0.0042686462,0.006576538,0.0085372925,0.07531738,-0.004196167,-0.024459839,-0.006248474,-0.0040626526,-0.02734375,-0.00223732,-0.007659912,-0.03668213,-0.015304565,0.008529663,-0.015083313,0.056793213,-0.05142212,0.01600647,0.010063171,0.005138397,0.0066947937,-0.0309906,-0.029327393,0.007663727,-0.0022945404,0.012535095,0.017532349,-0.032226562,0.005012512,-0.02835083,0.0368042,0.018005371,0.030807495,0.004016876,0.0021514893,-0.0065307617,-0.041748047,-0.010536194,-0.005722046,-0.045654297,0.011764526,-0.0011348724,-0.034118652,0.014312744,-0.016555786,0.029251099,-0.04425049,0.03515625,0.0082473755,-0.02079773,0.01727295,-0.033966064,-0.0068473816,0.011528015,-0.043060303,-0.006389618,0.03778076,0.008644104,0.041412354,-0.041229248,0.005126953,0.01108551,-0.04159546,-0.016098022,-0.04776001,-0.018325806,0.05267334,-0.052978516,0.02027893,0.021896362,-0.11669922,0.008407593,-0.038146973,0.029815674,-0.02760315,0.007335663,0.0047912598,0.01940918,-0.008895874,-0.020935059,-0.032196045,-0.031829834,-0.011108398,0.016220093,-0.006893158,0.047851562,-0.015419006,0.026565552,0.02027893,-0.026733398,0.023651123,0.026977539,-0.02079773,-0.0758667,-0.082214355,-0.04360962,-0.008659363,0.0034236908,-0.029708862,-0.01626587,0.012428284,-0.046783447,-0.03753662,0.027114868,0.00057697296,-0.044647217,0.014015198,-0.06744385,0.027297974,-0.0020599365,-0.06213379,-0.0138549805,-0.028137207,0.060394287,0.009780884,0.0071105957,0.039642334,-0.0055236816,0.037841797,0.01574707,-0.019485474,-0.050354004,0.023864746,-0.034576416,0.041381836,0.009590149,-0.0021705627,-0.0154953,0.0287323,0.051940918,0.00907135,-0.010902405,-0.027038574,-0.037322998,-0.06298828,-0.052093506,0.011985779,0.0019483566,-0.030838013,0.0065994263,-0.026626587,-0.02368164,-0.0016832352,0.0209198,0.003238678,0.046783447,0.008972168,-0.028167725,-0.002943039,0.038482666,-0.00881958,0.038757324,0.0340271,-0.0049209595,-0.00844574,-0.012489319,0.0065231323,0.018615723,-0.047088623,0.004005432,-0.019073486,0.028884888,0.0010910034,-0.005016327,0.028778076,-0.006046295,-0.0066375732,-0.02633667,-0.043151855,0.0014104843,-0.000957489,-0.008377075,-0.04171753,-0.071777344,0.026123047,0.051849365,0.017425537,-0.018234253,-0.0036010742,-0.019729614,-0.0110321045,-0.060394287,0.043670654,0.068847656,-0.013969421,-0.01878357,0.014419556,-0.01008606,-0.02558899,-0.0017280579,-0.008270264,-0.004764557,0.012168884,0.00434494,-0.05001831,-0.010131836,0.0048599243,0.027191162,0.067993164,-0.012969971,-0.04006958,-0.01259613,-0.014465332,-0.011566162,-0.0055770874,0.010879517,0.0060806274,0.010604858,0.019256592,0.0042381287,0.045806885,0.017456055,0.01486969,0.00409317,0.011878967,-0.00001692772,-0.064208984,0.018966675,0.0036773682,-0.055267334,0.022354126,-0.007408142,0.03765869,-0.01386261,0.04083252,-0.015701294,0.027755737,0.03451538,-0.038330078,-0.042541504,-0.02331543,-0.011703491,0.024734497,0.059417725,0.0027713776,-0.014831543,-0.02885437,0.052734375,-0.022232056,-0.025558472,-0.012023926,0.013366699,0.02670288,-0.0029659271,-0.05303955,-0.034484863,-0.0049934387,-0.049346924,0.024642944,-0.012008667,0.010925293,0.0069885254,-0.001958847,-0.020614624,-0.0052719116,-0.01361084,-0.009490967,-0.031829834,0.006996155,-0.022994995,0.0049324036,0.011772156,0.012023926,-0.015625,0.004890442,-0.0037078857,0.0077209473,-0.004337311,-0.033050537,-0.027709961,-0.018585205,-0.0119018555,0.03756714,0.035614014,0.0059776306,0.04269409,-0.052368164,0.002193451,0.011299133,-0.017837524,0.02973938,0.005531311,-0.0079574585,-0.07080078,-0.051239014,-0.012741089,-0.036956787,0.017700195,0.021774292,-0.024414062,0.05380249,0.0026073456,-0.041259766,-0.049591064,0.024993896,-0.02166748,-0.001786232,0.042541504,-0.033233643,-0.011734009,-0.02218628,-0.0064964294,-0.0017766953,0.025100708,0.012634277,0.005088806,0.07183838,0.04043579,-0.004962921,0.033691406,0.024032593,0.03652954,-0.023391724,-0.007522583,-0.02128601,-0.04019165,0.013221741,-0.02293396,-0.024307251,-0.062408447,0.040252686,0.04559326,0.07446289,0.0029449463,-0.00013303757,0.028579712,-0.034484863,0.027633667,-0.06604004,-0.022888184,-0.004600525,-0.031677246,0.047210693,-0.010108948,-0.001616478,-0.06561279,0.010887146,0.01486969,0.014701843,-0.042236328,0.061828613,-0.004016876,0.00046730042,0.041656494,0.009780884,0.045654297,0.061431885,-0.026565552,-0.007091522,0.006164551,-0.035888672,0.010986328,0.0073623657,-0.008003235,-0.010749817,-0.053466797,-0.015022278,-0.0017604828,-0.01651001,-0.027709961,0.0017938614,0.012886047,0.037353516,0.022720337,-0.023971558,-0.013053894,0.010971069,-0.0033569336,-0.052642822,-0.0044517517,-0.025802612,0.014801025,0.045532227,-0.033843994,-0.0023956299,-0.013542175,0.029586792,0.008110046,-0.020584106,0.013450623,-0.004142761,-0.048675537,0.03475952,0.015319824,0.017929077,0.020568848,0.021026611,0.027160645,0.041015625,0.014984131,0.030273438,-0.019317627,-0.03125,0.019805908,-0.060913086,0.0007824898,0.008178711,-0.0066223145,0.009178162,-0.0008816719,-0.023010254,-0.032836914,-0.011413574,-0.012413025,0.024642944,0.016723633,-0.033599854,-0.04586792,-0.057678223,-0.027526855,0.00037813187,0.101745605,0.03112793,0.028884888,-0.041229248,-0.036224365,0.032928467,0.017700195,0.012786865,-0.014083862,-0.03338623,-0.015563965,-0.015083313,-0.0047569275,-0.0074539185,0.046813965,-0.008766174,0.0007534027,0.032470703,0.02571106,0.034088135,-0.028030396,-0.0063972473,0.044433594,-0.022277832,-0.015792847,-0.024368286,0.022735596,0.013893127,-0.031677246,-0.049591064,0.044189453,0.015113831,0.035247803,-0.044647217,-0.0075416565,0.0033340454,0.03277588,0.0027923584,-0.032836914,-0.0019664764,-0.011260986,-0.049621582,-0.103149414,0.04812622,-0.007873535,0.021484375,0.02154541,-0.010612488,0.009742737,-0.0014791489,0.021530151,0.032043457,-0.022964478,-0.028015137,-0.024871826,-0.026855469,-0.009841919,-0.00006246567,-0.0099487305,0.010559082,-0.010398865,0.0289917,-0.0029201508,-0.0008816719,0.03302002,0.010360718,-0.009338379,0.014762878,0.007286072,0.018798828,0.012023926,-0.009437561,-0.018356323,0.041229248,0.009544373,0.00630188,0.012840271,0.058441162,0.008522034,-0.01939392,-0.0027160645,-0.0023498535,-0.006134033,-0.02835083,-0.010620117,0.0079193115,0.026748657,-0.004589081,-0.038482666,0.0024547577,0.01838684,-0.039611816,-0.026977539,0.0037879944,0.009361267,-0.04437256,0.011543274,0.010108948,0.056793213,-0.029815674,-0.009460449,0.014945984,0.030883789,0.014175415,-0.00762558,-0.016281128,0.021270752,-0.023147583,-0.0018548965,0.016555786,0.0049934387,0.008842468,-0.018341064,0.005695343,0.017318726,-0.021148682,-0.018600464,-0.0026721954,0.01864624,0.013801575,0.0014343262,0.0076408386,0.009468079,0.019104004,-0.005783081,0.035369873,0.0068473816,-0.013656616,-0.0021572113,0.016036987,0.031921387,0.015625,-0.011802673,0.021392822,0.0009727478,0.03878784,-0.056030273,-0.0028572083,0.0006637573,0.020187378,-0.035247803,-0.046691895,-0.034576416,-0.0030841827,0.030532837,-0.0042495728,0.00073194504,0.031555176,0.014953613,-0.013053894,0.051635742,-0.00046372414,-0.0044441223,-0.011238098,-0.05947876,0.010108948,0.00022685528,-0.020187378,-0.036621094,0.0074272156,-0.012390137,-0.04434204,0.02229309,-0.034973145,-0.0020942688,-0.019195557,-0.01134491,0.044189453,0.016281128,0.011314392,-0.017181396,-0.0057792664,-0.00028467178,-0.0015497208,0.038848877,-0.04940796,0.01576233,0.00868988,-0.0027542114,0.0048713684,0.017730713,0.015991211,0.00680542,0.022506714,0.019256592,-0.04434204,0.022369385,-0.01965332,-0.002981186,-0.012428284,-0.03225708,-0.007549286,-0.017608643,-0.0031414032,0.037719727,-0.015640259,-0.010894775,-0.029830933,-0.028198242,0.0046310425,-0.046417236,0.017944336,0.022201538,0.036895752,-0.028167725,-0.001253128,-0.004016876,-0.0065994263,-0.02911377,0.009147644,-0.0026340485,0.037841797,0.012718201,-0.0043563843,-0.010864258,-0.03375244,-0.018920898,-0.010810852,-0.037841797,-0.06524658,-0.012168884,0.0036582947,0.00094366074,-0.01713562,-0.043914795,-0.027648926,0.0041389465,-0.057525635,0.010551453,-0.004650116,0.026443481,-0.00088739395,-0.008842468,-0.009979248,-0.0044288635,-0.022476196,0.034362793,-0.016220093,-0.0390625,-0.038970947,0.01612854,0.030227661,0.012786865,-0.0003619194,-0.03387451,-0.0028858185,-0.03137207,-0.070373535,0.021316528,-0.0060920715,0.0032100677,-0.017578125,-0.0049324036,-0.046905518,0.0095825195,-0.034484863,-0.015304565,0.011940002,0.012878418,-0.0056152344,-0.01777649,0.009864807,-0.004272461,-0.033233643,-0.025848389,0.0146102905,0.010169983,0.008239746,-0.004589081,0.033050537,0.011520386,-0.02017212,-0.009170532,-0.010116577,0.03677368,-0.0178833,-0.006603241,-0.0033016205,0.032226562,-0.013763428,-0.033599854,-0.038726807,0.0068092346,0.0725708,0.0031166077,-0.0036716461,-0.009536743,-0.011291504,0.014122009,0.022415161,-0.040924072,0.012245178,-0.038269043,0.022094727,-0.022994995,0.022766113,0.0077285767,0.035125732,-0.005897522,-0.0418396,0.00983429,0.014572144,0.016998291,-0.085876465,-0.030197144,-0.04675293,-0.024154663,0.00021886826,0.008155823,0.011497498,-0.006515503,-0.024108887,-0.0597229,-0.012298584,0.05545044,-0.0054512024,-0.0000308156,-0.013061523,0.013824463,0.0060272217,-0.01474762,-0.05239868,0.009132385,-0.031097412,-0.011070251,-0.035125732,0.03652954,0.0032539368,-0.018127441,0.02468872,0.013244629,0.017532349,-0.029373169,0.022125244,-0.02305603,-0.009529114,0.0025691986,0.0072669983,0.007587433,-0.002122879,0.022323608,-0.03112793,0.02456665,0.01737976,0.011291504,0.009353638,0.022445679,0.030685425,-0.045898438,-0.0033721924,0.031173706,-0.00031089783,0.013671875,-0.04724121,0.054748535,0.012016296,-0.006713867,0.015510559,-0.010681152,-0.008102417,-0.040618896,-0.042236328,0.008674622,0.008842468,0.0011940002,0.0053100586,0.0072021484,0.0071754456,0.008979797,-0.0132751465,-0.011772156,-0.006378174,-0.010597229,0.011787415,-0.0019130707,0.009208679,-0.0050468445,0.030380249,0.02760315,0.042877197,0.025787354,-0.0014791489,-0.004058838,0.03152466,-0.025848389,-0.011375427,0.017471313,0.015365601,0.0022792816,0.008415222,0.021377563,-0.027038574,0.0027599335,-0.010726929,-0.012184143,0.009010315,-0.026153564,-0.009231567,0.0052452087,0.009986877,0.007003784,-0.03753662,-0.003643036,-0.025726318,-0.012229919,-0.026397705,-0.0004761219,0.024856567,-0.0027656555,-0.011154175,0.010955811,0.0032024384,0.044677734,-0.022766113,-0.030807495,0.037902832,0.053771973,-0.007850647,-0.015510559,0.008659363,-0.0011968613,-0.016662598,0.014144897,-0.027038574,0.018920898,0.041931152,0.014762878,0.018936157,0.017807007,0.015159607,-0.012924194,-0.0005159378,-0.00095653534,0.0020446777,-0.0038585663,0.02078247,-0.03933716,0.008811951,0.027236938,-0.018417358,-0.030792236,-0.0061950684,-0.030792236,0.039978027,0.0031089783,0.01222229,0.0362854,-0.010253906,0.014221191,-0.029266357,-0.0046958923,0.013008118,-0.04534912,-0.030639648,0.019119263,-0.0003144741,-0.017456055,0.02420044,-0.021331787,0.021377563,-0.028442383,0.01449585,-0.010063171,0.0138549805,-0.04824829,-0.0128479,-0.0027713776,-0.0023155212,-0.0018100739,0.0064811707,0.0020961761,0.02949524,0.02746582,0.023605347,0.019577026,0.013122559,0.019699097,-0.023391724,-0.011878967,0.013313293,-0.026107788,0.02293396,-0.02861023,0.034118652,0.05596924,0.0045814514,0.037231445,0.030792236,0.03024292,-0.004688263,0.030319214,-0.030014038,0.01626587,-0.004825592,0.036712646,0.015319824,0.044799805,0.0020961761,0.004699707,0.025939941,0.028137207,-0.005252838,0.046966553,0.06640625,0.036743164,-0.020523071,0.012283325,-0.022018433,-0.032958984,-0.03161621,-0.016738892,0.03955078,-0.0038814545,0.042877197,0.009216309,0.0019388199,0.0028743744,0.047851562,-0.012084961,-0.022384644,0.04937744,0.04385376,-0.0059013367,0.00026273727,-0.0061149597,0.0034332275,-0.055267334,-0.03213501,0.021224976,-0.003982544,0.0052719116,-0.009414673,0.013404846,0.0054626465,0.010482788,0.01902771,-0.002922058,-0.023834229,-0.00013840199,0.019897461,-0.005836487,0.024017334,-0.0016670227,0.028579712,-0.014877319,-0.013374329,-0.0004787445,0.02355957,0.0048980713,-0.019821167,0.0069847107,0.015380859,0.044921875,0.016647339,-0.023208618,0.009933472,0.028701782,0.016311646,0.0074539185,0.04067993,0.037322998,0.034057617,0.03756714,0.023010254,0.027801514,-0.020706177,0.0033340454,0.0033512115,0.015945435,0.0033569336,-0.017837524,0.011528015,-0.0069885254,0.018997192,0.01335144,-0.005466461,0.01965332,0.0317688,-0.020706177,-0.0036525726,-0.005870819,-0.006340027,0.012840271,0.012542725,0.0056533813,-0.018661499,0.020492554,0.0015611649,0.019515991,0.000910759,0.017349243,-0.016723633,-0.028396606,-0.005176544,0.022903442,-0.061309814,0.00548172,0.025344849,-0.011009216,-0.021026611,0.029144287,0.014915466,-0.033691406,0.029449463,-0.024459839,-0.008399963,0.006286621,0.024414062,0.02734375,0.005832672,-0.021194458,-0.03704834,0.01777649,0.053344727,0.013374329,-0.0051841736,-0.031402588,0.0029144287,0.018188477,-0.002149582,-0.005420685,0.011680603,-0.017242432,0.009460449,0.019958496,0.050079346,0.012580872,0.01058197,0.0025672913,-0.0014896393,-0.014015198,0.018432617,0.020950317,0.0020542145,-0.012123108,0.006778717,-0.023071289,0.02607727,0.035217285,-0.006866455,0.017166138,0.008125305,-0.009925842,0.0013990402,-0.026168823,0.014854431,-0.016296387,0.019897461,-0.007129669,0.027114868,-0.012435913,-0.03265381,0.016311646,-0.027679443,-0.022888184,-0.0021381378,0.0071907043,0.020812988,0.017868042,0.047607422,0.0070724487,0.003227234,0.060760498,-0.008361816,0.026138306,-0.030090332,-0.0017490387,0.028625488,0.02798462,0.029067993,0.0079956055,0.012840271,-0.03857422,0.02015686,0.020111084,0.025131226,0.018173218,0.008758545,-0.0065994263,0.04208374,0.001953125,0.019897461,0.024536133,0.0053253174,0.008384705,-0.021865845,-0.020431519,0.0073890686,-0.0070343018,-0.00605011,0.05709839,-0.01689148,-0.031463623,-0.028808594,-0.03186035,0.020477295,0.00762558,-0.0023059845,0.0039749146,-0.014007568,0.011062622,-0.022354126,-0.01953125,0.007232666,0.030960083,-0.05596924,-0.013122559,-0.0012235641,0.009521484,-0.03604126,0.016052246,0.042175293,0.0043525696,0.02230835,0.032196045,-0.0178833,0.026565552,-0.018692017,0.0064582825,0.044403076,0.0018262863,-0.020141602,0.010246277,0.020309448,-0.017868042,-0.0051841736,0.021621704,0.013969421,0.017227173,0.008155823,-0.020477295,0.0037994385,0.0008673668,-0.008758545,0.01701355,-0.014671326,0.005584717,0.006324768,0.004425049,0.01777649,0.015808105,-0.0079574585,-0.017349243,0.022003174,0.04031372,0.02217102,-0.043640137,0.002822876,0.017974854,0.0035209656,-0.021514893,-0.02418518,0.01953125,-0.024719238,-0.0017366409,0.014343262,0.0045814514,0.009986877,-0.015266418,-0.006668091,0.017425537,0.031066895,0.018005371,0.0070343018,-0.005645752,0.0132751465,-0.015991211,-0.0054397583,-0.01675415,-0.00060653687,0.005783081,0.03829956,-0.016998291,-0.022094727,0.013954163,0.01361084,0.013336182,-0.008033752,0.019729614,0.023147583,-0.011207581,-0.0054092407,-0.0019197464,0.035888672,-0.009010315,-0.03866577,-0.03805542,0.016693115,0.04336548,0.00029444695,-0.029663086,0.011352539,0.024459839,0.013763428,0.033599854,-0.005683899,0.053771973,0.015113831,-0.01373291,-0.03161621,-0.009429932,-0.009254456,-0.031204224,0.02192688,-0.0028839111,-0.0064201355,0.0021419525,0.02079773,-0.0020389557,-0.03744507,-0.02027893,-0.024597168,-0.025924683,0.029037476,-0.012039185,0.026397705,-0.015625,-0.013069153,0.026855469,-0.0049743652,-0.052978516,-0.0357666,0.0018634796,-0.011749268,-0.04458618,0.02519226,-0.016357422,-0.0024871826,-0.004146576,0.008277893,-0.007987976,0.009788513,-0.0021858215,-0.00434494,0.012512207,0.01512146,-0.011375427,0.020401001,0.0152282715,-0.011505127,-0.030578613,-0.039093018,0.015037537,-0.0059928894,0.023513794,-0.0077400208,0.013336182,0.019592285,-0.0284729,0.0129776,0.0034751892,0.0023059845,0.0037460327,-0.024902344,-0.0037994385,0.027160645,0.0262146,-0.0029239655,-0.00013661385,0.049194336,-0.016860962,-0.018539429,0.016082764,0.015808105,-0.003288269,0.04067993,0.011528015,-0.0055007935,-0.01235199,-0.0057258606,-0.008033752,0.013656616,0.011657715,-0.013023376,-0.0039482117,-0.0033416748,0.008201599,-0.017868042,-0.0017929077,0.011253357,0.014251709,-0.005962372,0.035705566,0.017990112,0.01512146,-0.0057525635,-0.04824829,0.00504303,0.048095703,0.020874023,-0.010848999,0.004524231,-0.009155273,-0.033355713,0.014328003,0.005836487,-0.020812988,-0.034851074,-0.012916565,-0.030349731,0.0025787354,-0.0010519028,0.020370483,-0.0019350052,0.03262329,-0.008239746,-0.011116028,-0.015701294,0.018081665,0.006580353,-0.027938843,0.008079529,-0.017623901,0.0054016113,-0.0037288666,0.015281677,-0.045837402,-0.019119263,-0.015609741,-0.0335083,0.012832642,0.007007599,-0.021530151,0.0024108887,-0.0104522705,-0.013671875,-0.013412476,0.028961182,-0.0045776367,-0.0138549805,0.025512695,0.01940918,-0.008918762,0.019485474,-0.033111572,-0.002784729,0.0152282715,-0.011795044,0.011077881,0.0026512146,0.018432617,0.0013895035,-0.024032593,0.037841797,-0.018188477,0.026855469,-0.0025997162,-0.003768921,-0.01222229,-0.013618469,0.008010864,0.0032997131,-0.014213562,0.011047363,-0.025619507,-0.016159058,0.012290955,0.0082473755,0.012214661,-0.0075416565,0.05618286,-0.010154724,-0.006996155,0.002035141,-0.02218628,-0.024215698,-0.00036525726,0.016830444,-0.0035305023,0.0026187897,-0.00598526,-0.0030670166,-0.042938232,-0.011230469,0.01260376,-0.010475159,0.015670776,0.0309906,0.026367188,0.041900635,-0.0065231323,0.022201538,0.007762909,-0.00031781197,0.014060974,0.01235199,0.046966553,-0.015327454,-0.0033512115,-0.002456665,0.0058059692,-0.020065308,-0.012741089,0.003030777,-0.009864807,-0.05227661,0.008102417,-0.01689148,0.029403687,-0.009033203,0.0184021,-0.030075073,0.0112838745,-0.034332275,0.0039253235,-0.03652954,0.022918701,0.024032593,0.0043563843,0.024795532,-0.012504578,-0.038085938,0.0072402954,0.041259766,-0.0046920776,-0.032958984,-0.0048332214,0.005672455,-0.011940002,0.014518738,0.013206482,-0.02470398,-0.0018806458,0.004928589,-0.00017213821,-0.01171875,0.0052986145,0.022384644,0.016479492,-0.02130127,-0.021362305,0.033203125,0.012176514,-0.020202637,0.004283905,-0.0042800903,0.041015625,0.029174805,-0.009864807,0.020446777,0.0054740906,-0.03262329,0.05355835,0.0050086975,0.031585693,-0.025894165,-0.0073623657,-0.045654297,-0.008178711,0.00844574,-0.008026123],"createdAt":"2026-04-18T19:59:30.443Z","updatedAt":"2026-04-22T09:01:56.208Z","lastSeenAt":"2026-04-22T09:01:56.208Z","tsv":"'/api':172 '/api/v1/backups/32':46,86,193 '/call':16,32 '/docs':170 '/pricing':171 '/readme':173 '0.02':15,31,114,147 '000':109 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':100 '1':129 '20':108 '300':138 '6':117 'Base network API' 'USDC micropayment API' 'accept':88 'access':41,167,215 'across':152 'advertis':144 'ai/ml':66 'amount':106 'analyt':65 'api':40,61,158,214 'appear':175 'application/json':93 'avail':217 'backup':4,20,202 'backup API' 'backup-api' 'base':7,23,82,102,110 'base-network' 'behind':75 'beyond':212 'broader':52 'call':60 'challeng':121 'confirm':122 'connect':179 'contain':181 'content':184 'contract':99 'crawl':187 'creation':205 'data':64,69 'decim':118 'descript':211 'document':168,197 'dozen':55 'endpoint':5,21,34,62,87,124,155 'equal':113 'exact':189 'finance/web3':68 'function':190 'gate':3,19,74 'infer':67 'infrastructur':71 'instant':166 'json-response' 'key':159 'limit':162 'live':126 'lowpaymentfee' 'lowpaymentfee.com':36 'maximum':105 'minimum':164 'model':151 'name':199 'network':83 'offer':54 'oper':206 'page':169 'part':49 'path':45 'pay':9,25,58 'pay-per-cal':57 'pay-per-call backup' 'pay-per-request':8,24 'payment':78,94,140 'per':10,26,59,148 'platform':53,143 'post':89 'post-method' 'premium':39,213 'premium API access' 'price':150 'protocol':79,132 'provid':37 'rate':161 'request':11,27,90,149 'requir':177 'resourc':42,194 'retriev':203 'return':92 'schema':209 'second':139 'settl':96 'span':63 'specif':85 'substant':183 'suggest':200 'timeout':141 'uniform':146 'unit':111 'usdc':13,29,98,115 'usdc-settlement' 'use':116,135 'util':72 'version':128 'wallet':178 'x402':2,18,77,120 'x402 endpoint' 'x402-gated':1,17 'x402-payment'","prices":[{"id":"3379c784-8ff2-4338-9b22-02bbbc5ed499","listingId":"1f2a7f0d-bf05-47ec-8582-1eb792b158ea","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/backups/32","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T19:59:30.443Z"}],"sources":[{"listingId":"1f2a7f0d-bf05-47ec-8582-1eb792b158ea","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/backups/32","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T19:59:30.443Z","lastSeenAt":"2026-04-22T09:01:56.208Z"}],"details":{"listingId":"1f2a7f0d-bf05-47ec-8582-1eb792b158ea","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/backups/32 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/backups/32"},{"claim":"Platform-wide pricing is $0.02 per request with no API keys, no rate limits, and no minimums","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/backups/32"}],"useCases":["Retrieving or creating backup data via a single paid API call","Integrating pay-per-use backup functionality into agent workflows","Programmatic access to backup resources without API key management"],"bestFor":["Agents or services needing on-demand backup access with crypto micropayments","Developers wanting keyless, pay-as-you-go API access on Base","Workflows requiring x402-compatible endpoints with USDC settlement"],"notFor":["Users who need detailed documentation or schema definitions before integrating","High-volume backup operations where per-request pricing is cost-prohibitive","Users without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:26.758Z"},"updatedAt":"2026-04-22T09:01:56.208Z"}}