{"id":"86004739-36ee-4ab1-bca3-fbfdb313ecd3","shortId":"2HNWzK","kind":"x402","title":"Download backup data for July 2026 via x402 micropayment on Base (USDC).","tagline":"Download backup data for July 2026 via x402 micropayment on Base (USDC).","description":"This endpoint at lowpaymentfee.com provides access to a downloadable backup file for the period 2026-07, gated behind an x402 payment challenge. The endpoint accepts POST requests and returns application/json content. Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum cost of $0.02 per request (20,000 base units at 6 decimals).\n\nThe provider lowpaymentfee.com hosts a broad catalog of x402-gated API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced uniformly at $0.02 per call. This specific endpoint falls under what appears to be a backup or data-export category. No API keys or rate limits are advertised; access is granted instantly upon valid x402 payment. The site's documentation, pricing, and README pages returned only a wallet-connect prompt with no additional technical detail, so the exact schema of the backup payload is unknown.\n\nBecause the crawled docs are essentially empty beyond the landing page listing, the precise contents and structure of the backup download response cannot be confirmed. Agents should expect a JSON response but should handle unexpected formats gracefully.","tags":[],"capabilities":["x402-payment","usdc-base","backup-download","data-export","micropayment","no-api-key","pay-per-request"],"categories":["storage","data"],"synonyms":["backup download","data export","file download","x402 backup","paid data access","Base USDC endpoint","lowpaymentfee"],"warnings":["Documentation pages (/docs, /pricing, /README, /api) returned no meaningful content — only a wallet-connect prompt.","No OpenAPI or output schema available; the response format of the backup download is unverified.","The backup period '2026-07' is in the future relative to current knowledge, which is unusual for a backup endpoint.","Exact contents and structure of the downloaded backup are unknown."],"endpointUrl":"https://lowpaymentfee.com/api/v1/backups/2026-07/download","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/2026-07/download","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no documentation beyond a landing page listing, and no example response. The backup endpoint's actual payload structure 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":"2026-04-19T15:48:05.747Z","embedding":[-0.02709961,-0.024246216,0.037597656,-0.0056762695,0.012245178,-0.020980835,-0.01058197,0.033233643,0.035186768,-0.07879639,0.022842407,-0.033172607,-0.028762817,-0.062561035,-0.0039596558,0.058044434,-0.025817871,-0.024429321,-0.06161499,-0.0028839111,0.045928955,-0.029296875,0.008926392,0.013496399,0.013671875,-0.01826477,-0.0143585205,-0.0074653625,0.005683899,-0.029754639,0.015365601,-0.030227661,-0.0037269592,0.009460449,0.006664276,0.018875122,0.005317688,-0.0046806335,0.019180298,-0.017593384,0.02078247,-0.07940674,0.017715454,0.037353516,-0.0015659332,-0.019836426,0.033477783,-0.03970337,0.029434204,-0.010391235,-0.038482666,-0.014793396,-0.03302002,0.011039734,0.026062012,0.0042152405,0.016845703,0.0034446716,0.0025730133,0.0016469955,-0.00945282,-0.0501709,-0.023330688,-0.0075416565,0.025375366,0.042236328,-0.0035953522,0.05911255,-0.0067977905,0.06896973,0.016784668,0.046875,0.021850586,-0.018051147,-0.0061149597,0.004737854,0.012306213,0.05102539,-0.013313293,-0.047851562,0.013427734,-0.0051498413,-0.029556274,-0.00409317,0.0010623932,-0.039154053,0.0007133484,0.03390503,-0.006099701,0.056915283,-0.05911255,0.0069770813,-0.006313324,-0.00027632713,0.016464233,-0.011512756,-0.04107666,0.0012426376,0.029708862,0.005153656,0.0015592575,-0.027023315,0.03225708,-0.045135498,0.05050659,0.017562866,0.036987305,-0.0015869141,0.001906395,-0.006061554,-0.045562744,-0.0032176971,-0.002199173,-0.0017557144,0.018737793,-0.00015044212,-0.035095215,0.02218628,-0.01285553,0.037139893,-0.06774902,0.033081055,0.004245758,-0.0026168823,0.02482605,-0.035491943,-0.0032730103,0.005493164,-0.04647827,-0.01612854,0.056640625,0.018005371,0.018478394,-0.05758667,-0.0002863407,0.021011353,-0.02154541,-0.024002075,-0.044158936,-0.019927979,0.030944824,-0.025390625,0.022277832,0.024246216,-0.095825195,0.02557373,-0.032989502,0.023071289,-0.0158844,0.004295349,-0.0060920715,0.0075302124,0.013305664,-0.011985779,-0.023162842,-0.022521973,-0.02420044,-0.0035953522,-0.010757446,0.008850098,-0.041809082,0.030166626,0.014305115,-0.019882202,0.024261475,0.036346436,-0.02835083,-0.07110596,-0.09680176,-0.040893555,-0.012641907,-0.00856781,0.00025868416,-0.01676941,-0.017471313,-0.040893555,-0.03189087,-0.0008330345,0.023376465,-0.04269409,0.011497498,-0.05859375,0.033416748,-0.0044555664,-0.05783081,-0.013969421,-0.050933838,0.053833008,-0.000562191,0.025466919,0.023391724,0.006450653,0.039489746,0.018920898,-0.039916992,-0.037506104,0.027526855,-0.04714966,0.06616211,0.006374359,-0.019042969,-0.025512695,0.013549805,0.040771484,0.009170532,-0.011482239,-0.042633057,-0.03842163,-0.050811768,-0.034210205,0.026916504,0.018966675,-0.037506104,0.049591064,-0.033111572,-0.021102905,0.003780365,0.03024292,0.006855011,0.03253174,0.0008249283,-0.003921509,0.014778137,0.031341553,-0.007671356,0.009338379,0.03817749,0.010353088,0.0017604828,-0.027893066,0.0058135986,0.026535034,-0.050872803,0.0046081543,-0.004135132,0.01789856,-0.01158905,-0.0131073,0.0026016235,0.001783371,-0.016784668,-0.021270752,-0.007537842,0.0027828217,0.0042152405,-0.011657715,-0.027297974,-0.061157227,0.029678345,0.03665161,0.019241333,-0.016677856,-0.0062828064,-0.027252197,0.00566864,-0.057922363,0.030227661,0.054748535,-0.01411438,-0.008323669,0.009811401,-0.007896423,-0.046539307,0.018554688,0.018325806,-0.006439209,0.003835678,0.011924744,-0.060302734,0.010017395,0.011512756,0.032318115,0.07543945,-0.0138168335,-0.051940918,0.0022525787,-0.0075187683,-0.014213562,-0.0072021484,0.0038204193,-0.010978699,0.003501892,0.0020885468,0.005619049,0.029067993,0.028198242,0.03515625,0.0058670044,-0.006389618,-0.023040771,-0.019104004,0.0056648254,0.0057640076,-0.04711914,0.029678345,-0.005569458,0.026687622,-0.029067993,0.013328552,-0.013114929,0.015365601,0.020828247,-0.025604248,-0.018997192,-0.002002716,0.0053253174,0.0046310425,0.05596924,0.0077209473,0.005493164,-0.037506104,0.045654297,-0.02583313,-0.015838623,-0.014480591,0.015174866,0.024490356,-0.00059223175,-0.04269409,-0.057006836,-0.010650635,-0.04107666,0.019378662,-0.011428833,0.017410278,0.008483887,-0.006511688,-0.009567261,-0.019332886,-0.013191223,-0.01890564,-0.013534546,0.026626587,-0.021713257,-0.017807007,0.0063323975,0.0075035095,-0.028793335,0.0005674362,0.020751953,-0.015434265,0.0008716583,-0.021850586,-0.038604736,-0.006958008,-0.040161133,0.0287323,0.038024902,-0.0023498535,0.034057617,-0.059326172,0.002702713,0.0037403107,0.00459671,0.028457642,-0.005393982,-0.0087890625,-0.08660889,-0.041503906,-0.02999878,-0.03225708,0.029891968,0.024490356,-0.019927979,0.040008545,-0.0051231384,-0.05407715,-0.017364502,0.024398804,-0.044555664,0.02178955,0.014122009,-0.037353516,-0.019454956,-0.01864624,0.0039520264,0.014984131,0.027114868,0.014076233,0.030807495,0.06781006,0.030838013,-0.0004992485,0.033477783,0.014801025,0.04360962,-0.019897461,0.0043907166,-0.027786255,-0.039031982,0.0065956116,-0.0054244995,-0.01991272,-0.055725098,0.028549194,0.04248047,0.06365967,-0.0032176971,0.015304565,0.014312744,-0.03930664,-0.007331848,-0.031707764,-0.024841309,-0.016067505,-0.051361084,0.027328491,0.0020198822,-0.0138168335,-0.055419922,0.015533447,-0.010047913,-0.00090026855,-0.042297363,0.06112671,-0.0026168823,-0.005279541,0.049865723,-0.013175964,0.055023193,0.035125732,-0.029022217,0.017868042,0.010559082,-0.031280518,0.012863159,0.045898438,0.0029449463,-0.01109314,-0.06976318,-0.028961182,-0.010025024,-0.013893127,-0.025268555,-0.0184021,0.012535095,0.028381348,0.004463196,-0.024383545,-0.012702942,0.014923096,0.02017212,-0.034088135,0.03414917,-0.044067383,-0.0076141357,0.03286743,0.017684937,0.0029830933,-0.0040779114,0.009117126,0.003566742,-0.02444458,0.008857727,0.00044703484,-0.06878662,0.0052986145,-0.030044556,0.012168884,-0.0011234283,0.036224365,0.028793335,0.049743652,0.043945312,0.032958984,-0.027114868,-0.051330566,0.02709961,-0.072143555,0.0045051575,0.032348633,-0.022109985,-0.00995636,0.012001038,-0.02331543,-0.03945923,-0.009101868,-0.012504578,-0.00070858,0.021377563,-0.017562866,-0.039367676,-0.07489014,-0.033050537,0.009544373,0.07055664,0.039764404,0.029678345,-0.023727417,-0.049041748,0.03314209,0.0057792664,0.04397583,-0.014457703,-0.028274536,-0.008636475,-0.022903442,-0.018798828,-0.015991211,0.04824829,0.0017814636,-0.02192688,0.023025513,0.016555786,0.02130127,-0.01576233,-0.017410278,0.005432129,-0.020309448,0.0048561096,0.006450653,0.03488159,0.02557373,-0.026947021,-0.028884888,0.059936523,0.0065574646,0.026657104,-0.038085938,0.017471313,-0.016586304,0.018920898,0.010658264,-0.04196167,-0.008155823,-0.0033512115,-0.042755127,-0.11505127,0.05331421,-0.011497498,0.04055786,0.0050315857,-0.004459381,0.006690979,-0.0015926361,0.013137817,0.019989014,-0.021362305,-0.040802002,-0.010612488,-0.017562866,-0.0030574799,-0.00089740753,-0.015403748,0.008285522,-0.012702942,0.03201294,-0.0069732666,-0.0019254684,0.026809692,0.023483276,-0.0036087036,0.0030498505,-0.008171082,0.008491516,0.022918701,0.005580902,-0.028625488,0.022415161,0.0073623657,0.027404785,0.02684021,0.055511475,0.026611328,-0.024429321,-0.0017910004,0.0065345764,-0.015823364,-0.01512146,0.002702713,0.00945282,0.015777588,0.007118225,-0.032806396,0.013832092,0.02368164,-0.044403076,-0.03225708,-0.0011911392,0.015571594,-0.031799316,0.024642944,0.009117126,0.058044434,-0.0061035156,0.0003745556,0.016174316,0.028305054,0.0025463104,-0.011817932,-0.013343811,0.00623703,-0.028549194,0.007698059,0.020202637,0.016784668,0.02986145,-0.00630188,0.00944519,-0.0104522705,-0.011398315,-0.027252197,-0.019012451,0.024749756,0.017654419,0.0046920776,0.031463623,0.020401001,0.007183075,0.014701843,0.03390503,0.019821167,-0.001329422,-0.019424438,0.012138367,0.042663574,0.0031471252,-0.0158844,0.012420654,0.0064926147,0.027267456,-0.046295166,0.0041999817,-0.008956909,0.014595032,-0.04385376,-0.040252686,-0.03741455,-0.020736694,0.05255127,-0.022644043,-0.009933472,0.030151367,-0.0004234314,-0.0021839142,0.02645874,0.016693115,0.0015802383,-0.034088135,-0.057434082,0.0031986237,0.0012216568,-0.016708374,-0.03439331,0.008071899,-0.00843811,-0.02973938,0.00044488907,-0.043884277,0.0035114288,-0.01525116,-0.009490967,0.046142578,0.0018100739,0.027404785,-0.01184845,0.010482788,0.004360199,-0.00617218,0.038726807,-0.03970337,0.012062073,0.02418518,-0.002336502,-0.0058898926,0.012527466,0.036315918,0.030410767,0.019927979,0.037750244,-0.02545166,0.034606934,-0.02758789,-0.00025606155,-0.03527832,-0.033325195,0.0011901855,-0.0050849915,0.004169464,0.027114868,-0.022903442,-0.02243042,-0.046722412,-0.03967285,0.012023926,-0.05114746,0.011734009,0.036102295,0.029785156,-0.020309448,0.0070114136,0.009880066,0.00011527538,-0.017837524,0.018035889,0.026626587,0.03479004,0.02368164,0.014930725,-0.0051651,-0.025482178,-0.030685425,-0.0015745163,-0.03137207,-0.053009033,-0.013366699,-0.012184143,-0.00046658516,-0.0029678345,-0.0413208,-0.0074272156,0.014625549,-0.04953003,-0.017227173,0.0071983337,0.0013961792,0.0055122375,0.008422852,0.0016317368,-0.005748749,-0.012718201,0.021377563,-0.0017442703,-0.032043457,-0.04425049,0.020874023,0.0262146,-0.016571045,-0.0032577515,-0.07879639,-0.0027103424,-0.028274536,-0.057769775,-0.0011005402,0.011421204,-0.014724731,-0.02015686,0.015777588,-0.0501709,0.00881958,-0.011108398,-0.031097412,0.006729126,0.009849548,0.0060691833,-0.0129470825,0.03390503,-0.0035495758,-0.0062789917,-0.020202637,0.021438599,0.009773254,0.0029735565,-0.00021147728,0.04498291,0.010566711,-0.026947021,-0.007209778,-0.031463623,0.024765015,0.015655518,0.00983429,-0.00945282,0.024978638,0.007133484,-0.026779175,-0.044128418,0.019302368,0.07305908,0.003129959,-0.0076828003,0.0064811707,-0.0115356445,-0.00085163116,0.039794922,-0.02468872,0.0099105835,-0.023925781,0.01852417,0.00047254562,0.045410156,0.02973938,0.01096344,0.011817932,-0.025466919,0.011154175,0.011268616,0.010528564,-0.091552734,-0.03793335,-0.043426514,-0.015380859,0.008758545,-0.008430481,0.016326904,0.0082092285,-0.00598526,-0.06210327,-0.008201599,0.04824829,-0.004337311,-0.00082445145,-0.0027599335,0.029174805,0.014778137,-0.0043792725,-0.038116455,0.01121521,-0.036071777,-0.022994995,-0.050994873,0.04067993,0.002128601,0.011817932,0.02835083,0.0030708313,0.004951477,-0.036956787,0.011993408,-0.04333496,0.022598267,-0.0061912537,-0.011100769,-0.0132751465,0.013908386,0.025970459,-0.030197144,0.020523071,0.0018949509,0.011978149,0.016921997,0.014419556,0.039855957,-0.06329346,0.009140015,0.00504303,0.0071792603,0.017593384,-0.04119873,0.056030273,0.0062828064,-0.008041382,0.010658264,-0.024093628,0.0052871704,-0.02267456,-0.030807495,0.0015039444,0.010131836,0.0049972534,-0.0037879944,-0.008171082,0.0067749023,0.016067505,-0.008018494,-0.008110046,-0.0010147095,-0.017044067,0.03137207,-0.012260437,0.00086832047,-0.020126343,0.03616333,0.03665161,0.038970947,0.011909485,-0.024093628,-0.010025024,0.020263672,-0.022003174,-0.003627777,0.020568848,0.022659302,0.010810852,0.019866943,0.013015747,-0.026397705,-0.004283905,-0.018676758,-0.0062713623,0.0041770935,-0.03677368,-0.0040512085,0.03439331,0.026138306,-0.009300232,-0.013969421,0.006225586,-0.02468872,-0.036621094,-0.025680542,-0.021270752,0.022521973,0.009307861,-0.026382446,0.009933472,-0.009124756,0.03668213,-0.022613525,-0.023773193,0.03262329,0.04296875,-0.0045814514,-0.03225708,-0.0013179779,0.00039958954,-0.021759033,0.0009994507,-0.0143966675,0.019882202,0.059326172,0.018936157,0.030044556,0.023391724,0.016418457,0.004360199,-0.0023097992,0.009155273,0.023468018,-0.0029354095,0.03466797,-0.033813477,0.007331848,0.013595581,-0.010276794,-0.031173706,0.0017490387,-0.018493652,0.02734375,-0.00012934208,0.009689331,0.035614014,0.004737854,0.01007843,-0.036132812,0.0049476624,0.002752304,-0.03616333,-0.018249512,0.008636475,-0.0022449493,-0.002714157,0.010437012,-0.01638794,0.03277588,-0.036712646,0.04232788,-0.00020492077,0.013916016,-0.047607422,-0.013252258,-0.00045132637,0.015098572,-0.024047852,0.00969696,-0.00548172,0.031219482,0.03326416,-0.00283432,0.0075302124,0.011268616,0.031066895,-0.030975342,-0.012794495,0.018554688,-0.029785156,0.03414917,-0.027832031,0.039398193,0.04776001,0.0011053085,0.031921387,0.0289917,0.027816772,-0.0053520203,0.019973755,-0.0184021,0.018081665,-0.005004883,0.025970459,0.004295349,0.0395813,-0.0016841888,-0.0055999756,0.036315918,0.020248413,-0.0033512115,0.030578613,0.06726074,0.020980835,0.0013713837,0.015472412,-0.020065308,-0.04699707,-0.0063209534,-0.023452759,0.039093018,0.018295288,0.03378296,0.024124146,0.01335144,-0.0031642914,0.064331055,-0.03491211,-0.0035190582,0.046142578,0.04864502,-0.003396988,-0.0036621094,-0.019546509,0.0041236877,-0.02331543,-0.018997192,0.02015686,0.007522583,-0.018005371,-0.018325806,0.012390137,-0.0069847107,-0.008644104,0.009155273,-0.0063705444,-0.025512695,0.009132385,0.008758545,0.016784668,0.02154541,0.004585266,0.02696228,-0.009521484,0.0062789917,-0.012008667,0.014472961,0.0028038025,-0.013069153,-0.0018148422,0.025115967,0.030319214,0.02645874,-0.021255493,0.0017156601,0.017547607,0.01020813,0.01121521,0.035705566,0.0020179749,0.037261963,0.029632568,0.012481689,0.02645874,-0.002904892,-0.0031547546,-0.004360199,0.012046814,0.012962341,-0.0046043396,0.032318115,-0.016677856,0.029891968,-0.0036468506,-0.008399963,0.039031982,0.031555176,-0.013534546,0.010772705,-0.017913818,-0.008781433,-0.004798889,0.021743774,0.01247406,-0.011817932,0.012718201,0.0072746277,0.031585693,-0.005405426,0.009094238,0.0033512115,-0.02104187,-0.015563965,0.023117065,-0.06048584,-0.007965088,0.022842407,-0.016159058,-0.03173828,0.03741455,0.016555786,-0.020874023,0.027297974,-0.0030841827,-0.0035114288,-0.031982422,0.039733887,0.041290283,0.014274597,-0.011192322,-0.027755737,-0.012779236,0.03152466,-0.002527237,-0.008583069,-0.023284912,-0.02243042,-0.0073890686,0.002822876,-0.0115356445,0.009994507,-0.01763916,-0.0048713684,0.010383606,0.0209198,0.022888184,0.012969971,-0.015083313,0.007461548,-0.0049095154,0.012504578,0.014175415,0.003168106,-0.0072288513,0.0040130615,-0.02444458,0.017578125,0.025909424,0.007873535,0.026947021,0.0015382767,-0.016235352,0.014343262,-0.04284668,0.026916504,-0.0015163422,0.015342712,0.007709503,0.015159607,-0.02557373,-0.037109375,0.00970459,-0.033447266,-0.014923096,0.004589081,0.009521484,0.010292053,0.021697998,0.059631348,0.023376465,0.0048599243,0.06048584,-0.0026836395,0.030014038,-0.02041626,-0.005809784,0.032592773,0.022979736,0.0345459,-0.0011196136,0.0045433044,-0.02909851,0.03262329,0.022598267,0.02557373,0.024002075,-0.0059776306,-0.016418457,0.028869629,-0.009681702,0.016677856,0.030807495,0.013458252,0.024108887,-0.041534424,-0.008308411,0.00070619583,0.0007443428,-0.013420105,0.0345459,-0.008369446,-0.0071640015,-0.018310547,-0.016937256,0.030273438,-0.011238098,-0.003458023,0.003774643,-0.013908386,0.015975952,-0.013725281,-0.013633728,0.020065308,0.0015716553,-0.045806885,-0.0057411194,0.013946533,0.019454956,-0.037963867,0.018707275,0.03652954,0.023635864,0.0038967133,0.033935547,-0.015174866,0.03439331,-0.01789856,0.0043029785,0.06359863,0.018005371,-0.010307312,0.027252197,0.014175415,-0.00079631805,-0.00013935566,0.036132812,-0.008506775,0.023956299,-0.0013027191,-0.0014591217,-0.00073719025,0.016464233,-0.0025539398,0.00027489662,-0.008651733,-0.00617218,0.004131317,0.011756897,-0.0023784637,0.01977539,0.0070610046,-0.017807007,0.032958984,0.037231445,0.02180481,-0.045318604,0.0046195984,-0.010009766,0.004886627,-0.0054130554,-0.020767212,0.015670776,-0.031677246,0.0044555664,0.030166626,0.0033740997,0.017425537,-0.017349243,-0.0079956055,0.022033691,0.017578125,0.014152527,0.0033683777,-0.0126953125,-0.005027771,-0.025665283,0.008529663,-0.01576233,-0.0013475418,0.013145447,0.043395996,-0.022109985,-0.022460938,0.020370483,-0.006713867,0.015792847,-0.015655518,0.028793335,0.019851685,0.0006365776,-0.0009484291,-0.0018730164,0.041168213,-0.005455017,-0.043792725,-0.019622803,0.018997192,0.041625977,0.0046844482,-0.008743286,0.0090789795,0.028244019,0.010368347,0.039215088,0.00308609,0.04864502,0.0039863586,-0.027191162,-0.041503906,0.008277893,-0.014549255,-0.029174805,0.012237549,-0.021743774,-0.01335144,0.0044441223,0.02494812,-0.011253357,-0.045410156,-0.019256592,-0.033691406,-0.012481689,0.034301758,-0.008491516,0.024887085,-0.014381409,-0.007827759,0.03050232,-0.027511597,-0.047576904,-0.013931274,0.003643036,-0.02218628,-0.050079346,0.0055351257,0.00932312,-0.0019111633,-0.03564453,0.018554688,0.00014317036,0.015304565,-0.017868042,-0.01625061,0.009117126,0.011489868,-0.0014095306,0.011894226,-0.0016994476,-0.033416748,-0.024093628,-0.015792847,0.011024475,-0.015434265,0.031677246,0.012283325,0.03869629,0.038726807,-0.022994995,-0.0039138794,0.0016298294,-0.014587402,-0.0052261353,-0.013557434,-0.012916565,0.011955261,0.046051025,-0.0055770874,-0.015487671,0.060150146,-0.008766174,-0.01927185,0.025924683,0.022369385,-0.01651001,0.029281616,0.02053833,0.0010843277,-0.00044894218,-0.019714355,-0.009002686,0.0067481995,0.030227661,-0.014007568,-0.0056877136,0.00095415115,0.0054969788,-0.025177002,-0.0060806274,0.020980835,0.013839722,-0.02973938,0.02508545,0.012680054,0.015060425,-0.0011615753,-0.041534424,0.011123657,0.06896973,0.0064964294,-0.0016841888,0.010887146,0.0011348724,-0.0435791,0.014701843,-0.016967773,-0.005519867,-0.033081055,-0.013420105,-0.026062012,0.012084961,-0.014572144,0.014022827,-0.01889038,0.039154053,0.00491333,-0.016464233,0.0015869141,0.018081665,0.007663727,-0.03475952,-0.0017690659,-0.008049011,0.002111435,-0.017700195,0.0075035095,-0.05239868,-0.020706177,-0.022201538,-0.032104492,0.0052223206,0.020584106,-0.0026340485,-0.013442993,-0.0035953522,-0.01914978,-0.0068244934,0.018737793,-0.013191223,-0.019210815,0.011482239,0.015060425,-0.006919861,0.011314392,-0.02116394,-0.013122559,0.011383057,0.008956909,0.018615723,0.0031661987,0.019317627,0.0017137527,-0.03302002,0.022491455,0.0019083023,0.021148682,-0.018173218,-0.01776123,-0.013442993,-0.0039596558,0.016708374,0.010032654,-0.02758789,0.0055236816,-0.018157959,-0.032806396,0.0053863525,0.006389618,0.0289917,-0.00010043383,0.024871826,-0.006023407,-0.014472961,0.00022435188,-0.0073242188,-0.01234436,-0.011482239,0.015808105,-0.011413574,-0.0056037903,0.015083313,-0.0043640137,-0.019058228,-0.0065078735,0.022857666,-0.007522583,0.015037537,0.037506104,0.027664185,0.030654907,0.012863159,0.027679443,-0.011505127,0.0001167655,0.027038574,0.011672974,0.04324341,-0.018463135,-0.007858276,-0.004501343,0.015548706,-0.0040245056,-0.0017337799,0.018753052,-0.029251099,-0.05999756,0.005809784,-0.014228821,0.014198303,-0.0068244934,0.014801025,-0.035125732,0.0010643005,-0.0418396,-0.009109497,-0.038513184,0.012550354,0.02494812,0.0027427673,0.010101318,-0.008216858,-0.03253174,0.012992859,0.028121948,-0.015701294,-0.032684326,0.007331848,-0.007972717,-0.00856781,0.006011963,0.025283813,-0.008811951,0.010536194,0.020980835,-0.024505615,-0.014076233,-0.0031986237,0.029449463,0.010040283,-0.015808105,-0.040222168,0.012893677,0.022918701,-0.015991211,0.004398346,0.0014390945,0.019866943,0.032287598,0.007419586,0.014060974,-0.006164551,-0.0491333,0.042541504,0.0055618286,0.002029419,-0.013687134,0.0013475418,-0.046142578,-0.0009446144,0.024734497,-0.00920105],"createdAt":"2026-04-18T19:59:11.286Z","updatedAt":"2026-04-22T15:02:33.985Z","lastSeenAt":"2026-04-22T15:02:33.985Z","tsv":"'-07':40 '0.02':73,110 '000':77 '0x8335':66 '20':76 '2026':6,18,39 '2913':67 '6':81 'Base USDC endpoint' 'accept':49 'access':30,137 'addit':162 'advertis':136 'agent':200 'ai/ml':99 'analyt':98 'api':94,130 'appear':119 'application/json':54 'backup':2,14,34,123,171,194 'backup download' 'backup-download' 'base':11,23,61,78 'behind':42 'beyond':182 'broad':88 'call':112 'cannot':197 'catalog':89 'categori':128 'challeng':46 'confirm':199 'connect':158 'content':55,189 'contract':65 'cost':71 'crawl':177 'data':3,15,97,102,126 'data export' 'data-export':125 'decim':82 'detail':164 'doc':178 'document':148 'download':1,13,33,195 'empti':181 'endpoint':26,48,95,115 'essenti':180 'exact':167 'expect':202 'export':127 'fall':116 'file':35 'file download' 'finance/web3':101 'format':210 'gate':41,93 'grace':211 'grant':139 'handl':208 'host':86 'infer':100 'infrastructur':104 'instant':140 'json':204 'juli':5,17 'key':131 'land':184 'limit':134 'list':186 'lowpaymentfee' 'lowpaymentfee.com':28,85 'maximum':70 'micropay':9,21 'micropayment' 'network':62 'no-api-key' 'page':152,185 'paid data access' 'pay-per-request' 'payload':172 'payment':45,56,144 'per':74,111 'period':38 'post':50 'precis':188 'price':107,149 'prompt':159 'provid':29,84 'rate':133 'readm':151 'request':51,75 'respons':196,205 'return':53,153 'schema':168 'settl':58 'site':146 'span':96 'specif':114 'structur':191 'technic':163 'unexpect':209 'uniform':108 'unit':79 'unknown':174 'upon':141 'usdc':12,24,64 'usdc-base' 'use':63 'util':105 'valid':142 'via':7,19 'wallet':157 'wallet-connect':156 'x402':8,20,44,92,143 'x402 backup' 'x402-gated':91 'x402-payment'","prices":[{"id":"db12820c-7a61-497e-8773-ba9ebe12de90","listingId":"86004739-36ee-4ab1-bca3-fbfdb313ecd3","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/2026-07/download","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T19:59:11.286Z"}],"sources":[{"listingId":"86004739-36ee-4ab1-bca3-fbfdb313ecd3","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/backups/2026-07/download","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T19:59:11.286Z","lastSeenAt":"2026-04-22T15:02:33.985Z"}],"details":{"listingId":"86004739-36ee-4ab1-bca3-fbfdb313ecd3","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/backups/2026-07/download \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":{"url":"https://lowpaymentfee.com/api/v1/backups/2026-07/download","method":"POST","headers":{"X-PAYMENT":"<x402_payment_token>","Content-Type":"application/json"}},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge advertising USDC on Base network, maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/backups/2026-07/download"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/backups/2026-07/download"},{"claim":"All endpoints priced at $0.02 per request with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"}],"useCases":["Downloading periodic backup snapshots for archival or disaster recovery","Programmatic retrieval of time-stamped data exports","Agent-driven data acquisition with per-call micropayments"],"bestFor":["Agents needing on-demand backup retrieval without subscription commitments","Workflows requiring pay-per-use data downloads settled on Base L2","Automated pipelines that fetch periodic data snapshots"],"notFor":["Users needing free or bulk-discounted backup downloads","Scenarios requiring detailed API documentation or guaranteed SLAs","Non-crypto payment flows (no fiat/card settlement option)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:27.646Z"},"updatedAt":"2026-04-22T15:02:33.985Z"}}