{"id":"ed2f00d7-1581-4b96-9878-4d18a8d4ef8c","shortId":"ByKQuq","kind":"x402","title":"Pay-per-call premium API access on Base via x402 — $0.02/request in USDC.","tagline":"Pay-per-call premium API access on Base via x402 — $0.02/request in USDC.","description":"This endpoint at lowpaymentfee.com provides \"Premium API Access\" via the x402 payment protocol. The specific resource `/api/v1/claims/56` is one of many endpoints offered by the platform, which spans categories including data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints are priced at $0.02 per request, paid in USDC on the Base network, with no API keys, rate limits, or commitments required.\n\nThe x402 challenge confirms the endpoint is live and accepts POST requests. Payment is settled on-chain using USDC (contract `0x8335...2913` on Base) to address `0x1A2B...85F3`, with a maximum timeout of 300 seconds. The platform advertises a uniform $0.02 pricing model across all its API offerings. The probe's `maxAmountRequired` of 20000 base units (USDC has 6 decimals) translates to $0.02, consistent with the advertised price.\n\nHowever, the specific functionality behind `/api/v1/claims/56` is unclear. The endpoint path does not match any of the documented API routes on the landing page (analytics, AI, finance, or utility endpoints). The description is simply \"Premium API Access\" with no further detail on what data or service is returned. Documentation pages (`/docs`, `/pricing`, `/README`) returned only a \"Connect wallet\" prompt with no substantive content. Without request/response schemas or documentation, the exact purpose of this particular claims endpoint remains unknown.","tags":[],"capabilities":["x402-payment","usdc-base-network","pay-per-request","no-api-key","post-method","json-response"],"categories":["api-marketplace","crypto"],"synonyms":["x402 API","pay-per-call API","USDC micropayment API","Base network API","lowpaymentfee","claims API","premium access endpoint"],"warnings":["The specific purpose of /api/v1/claims/56 is unknown — it does not appear in the platform's documented API listing","All documentation pages (/docs, /pricing, /README) returned only 'Connect wallet' with no content","No request body schema or response schema is available","No OpenAPI spec or AI plugin manifest found"],"endpointUrl":"https://lowpaymentfee.com/api/v1/claims/56","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/claims/56","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 the specific functionality of /api/v1/claims/56 is undocumented. No request/response schema, no examples, and documentation pages are empty. The endpoint path doesn't match any listed API route on the landing page.","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":"2026-04-19T04:22:22.022Z","embedding":[-0.024734497,-0.030822754,0.050598145,0.024490356,0.0029354095,-0.017913818,-0.03074646,0.039520264,0.06896973,-0.06896973,0.028182983,-0.061645508,-0.016036987,-0.044281006,-0.040496826,0.009315491,-0.020889282,0.008682251,-0.043823242,0.024627686,0.028152466,-0.020721436,-0.026504517,0.024002075,-0.0026016235,-0.023147583,-0.013717651,-0.019485474,-0.01235199,-0.035339355,0.038146973,-0.020706177,-0.004611969,0.019210815,-0.035736084,-0.020751953,0.003124237,0.03451538,0.028762817,-0.0044822693,-0.008346558,-0.046447754,-0.0023384094,-0.0018024445,-0.054138184,0.01473999,0.0060539246,-0.008476257,-0.013137817,0.008346558,-0.028289795,-0.020050049,-0.013389587,0.0032253265,0.0044288635,0.0073242188,0.00705719,-0.0079574585,0.00097227097,0.01789856,-0.004219055,-0.063964844,-0.017700195,-0.011222839,-0.0007362366,0.0670166,-0.0043792725,0.05508423,0.00819397,0.060546875,0.040100098,0.053741455,0.022613525,0.020050049,-0.0033664703,-0.010108948,0.0062675476,0.06262207,-0.021987915,-0.01461792,-0.020980835,-0.008964539,-0.049804688,0.0001232624,-0.009506226,-0.047576904,-0.01309967,0.010322571,-0.039154053,0.021881104,-0.06311035,0.007183075,-0.002336502,-0.0066566467,0.010803223,-0.010322571,-0.011779785,0.027923584,-0.013961792,0.018005371,0.01184082,-0.05065918,0.021408081,0.012916565,0.044158936,0.05050659,0.0340271,0.036743164,0.019607544,-0.008911133,-0.009063721,0.019882202,-0.006752014,-0.009063721,0.009788513,0.010375977,-0.032196045,0.019134521,-0.0115737915,0.02166748,-0.05960083,0.05050659,0.010864258,-0.015808105,0.008781433,-0.043762207,0.0063171387,0.006801605,-0.041931152,-0.00447464,0.006679535,0.014701843,0.028182983,-0.025344849,-0.04168701,-0.005443573,-0.017959595,-0.02204895,-0.049835205,-0.028656006,0.03161621,-0.030273438,0.022384644,0.03414917,-0.111572266,-0.010047913,-0.033599854,0.008720398,-0.02709961,-0.012939453,-0.0032806396,0.026672363,-0.019317627,0.0076789856,-0.031433105,-0.023605347,0.012962341,0.030853271,-0.020751953,0.053100586,0.007003784,0.03100586,0.017303467,0.022720337,0.030563354,0.03466797,0.009979248,-0.06640625,-0.082458496,-0.033843994,-0.017028809,-0.013931274,-0.039520264,0.012641907,-0.00028824806,-0.0690918,-0.020507812,-0.026733398,0.0043411255,-0.05621338,-0.003900528,-0.027923584,0.014701843,-0.021026611,-0.07385254,-0.021575928,-0.011108398,0.074157715,0.027923584,0.009376526,0.038726807,-0.02671814,0.06402588,0.011566162,-0.03262329,-0.044830322,0.02154541,0.001619339,0.013473511,0.011062622,0.0005021095,-0.04031372,0.038879395,0.06161499,0.016143799,-0.012718201,-0.0051460266,-0.056427002,-0.04019165,-0.024597168,0.0050849915,-0.004749298,0.014778137,0.03274536,-0.026107788,-0.03768921,-0.005382538,0.018707275,0.021270752,0.0574646,0.016860962,0.01159668,0.01852417,0.020324707,-0.031463623,0.04269409,0.031921387,0.014556885,-0.025314331,-0.025848389,0.020950317,0.032928467,-0.024032593,0.013511658,-0.01852417,0.029312134,-0.002735138,0.021331787,0.03302002,-0.025604248,-0.010101318,-0.027069092,-0.023452759,0.028076172,0.007972717,-0.027114868,-0.04196167,-0.07006836,0.043823242,0.046661377,0.036956787,0.008087158,0.016174316,-0.022125244,-0.010803223,-0.060424805,0.05105591,0.07067871,-0.017150879,-0.01386261,0.026550293,-0.023925781,-0.038848877,-0.014701843,-0.016418457,-0.03414917,-0.010421753,-0.00605011,-0.043792725,-0.005924225,0.008979797,0.036132812,0.04699707,-0.009941101,-0.039123535,-0.033447266,0.00096321106,0.004749298,-0.014884949,0.0018835068,-0.0039901733,0.018554688,0.019470215,-0.00049734116,0.02583313,-0.0054130554,0.01259613,-0.01537323,-0.010307312,-0.015960693,-0.03491211,0.008628845,-0.0047798157,-0.05279541,-0.003168106,0.0055618286,0.07385254,-0.046020508,0.036590576,0.001083374,0.0037250519,0.06591797,-0.0021800995,-0.04989624,0.010665894,0.020385742,0.0317688,0.040893555,0.016464233,-0.027679443,-0.017471313,0.045196533,-0.010261536,-0.022842407,0.021774292,0.0032787323,0.040374756,-0.012245178,-0.060638428,-0.02293396,-0.018692017,-0.02999878,0.018066406,-0.021133423,0.01838684,-0.008605957,0.006122589,-0.026412964,-0.005340576,-0.017822266,0.019180298,-0.024841309,-0.001584053,-0.029403687,-0.008682251,0.015159607,0.01386261,-0.002790451,-0.0024318695,0.045776367,0.019454956,-0.006477356,-0.034576416,-0.02670288,-0.024856567,0.0074539185,0.021453857,0.009178162,0.00957489,0.047790527,-0.03729248,0.020980835,0.023513794,0.022613525,0.015045166,0.01360321,0.0059928894,-0.07513428,-0.06048584,-0.036132812,-0.042907715,0.023040771,0.017486572,0.000116467476,0.04650879,0.008300781,-0.026107788,-0.04638672,0.024398804,-0.026519775,0.0018806458,0.04046631,-0.019897461,-0.034942627,-0.014160156,-0.00198555,-0.006164551,0.03842163,0.012580872,0.016616821,0.076049805,0.038757324,0.0019016266,0.007396698,0.0070648193,0.012573242,0.00017464161,-0.026748657,-0.035491943,-0.013114929,0.009689331,-0.006084442,-0.02999878,-0.06976318,0.045410156,0.033935547,0.074157715,0.0236969,0.02243042,0.038391113,-0.015014648,-0.005756378,-0.038635254,-0.024353027,-0.036621094,-0.047546387,0.030059814,-0.01373291,-0.011749268,-0.021591187,0.034454346,-0.0046958923,0.023391724,-0.032806396,0.050842285,-0.009765625,-0.005874634,0.023071289,0.0069007874,0.051239014,0.076171875,-0.030593872,0.024032593,0.034576416,-0.026992798,-0.0035190582,0.047088623,-0.025939941,0.012275696,-0.06640625,-0.017669678,0.009902954,0.0034160614,-0.043884277,0.0028896332,-0.004055023,0.019638062,0.023330688,-0.022567749,-0.019470215,0.00030517578,-0.004711151,-0.06341553,-0.017196655,-0.035583496,0.017105103,0.04446411,-0.042999268,0.0011291504,0.018356323,-0.0053215027,-0.01084137,0.00022947788,0.024490356,-0.0008559227,-0.04711914,0.02609253,0.008804321,0.011779785,0.011726379,0.03262329,0.014633179,0.030410767,0.044433594,0.0074691772,-0.027618408,-0.05392456,0.017700195,-0.053771973,0.001332283,0.013442993,-0.035461426,0.004611969,-0.015151978,-0.018432617,-0.017410278,0.004337311,-0.029922485,0.0098724365,0.018722534,-0.033447266,-0.023635864,-0.038604736,-0.0076942444,0.0041770935,0.0619812,0.031097412,0.0017328262,-0.06567383,-0.0064849854,0.01663208,-0.0017614365,0.014289856,-0.014762878,-0.014305115,-0.017196655,-0.02746582,-0.0042381287,-0.024261475,0.013664246,-0.0013666153,-0.0042152405,0.04714966,0.011062622,0.025238037,0.012054443,0.008285522,0.04324341,-0.03189087,-0.011329651,-0.024719238,0.0287323,-0.00066423416,-0.010147095,-0.048431396,0.05441284,0.020614624,0.025939941,-0.029846191,0.011024475,0.0021018982,0.016845703,0.011299133,-0.013389587,-0.019714355,-0.010513306,-0.06439209,-0.05303955,0.043762207,-0.010391235,0.03756714,0.0027561188,0.008430481,0.018798828,-0.0043678284,-0.01096344,0.03729248,-0.030807495,-0.004673004,-0.0143585205,-0.033325195,-0.018661499,0.00079250336,-0.01083374,0.021362305,-0.0151901245,0.010299683,0.0037899017,-0.01360321,0.033996582,0.004623413,-0.0030784607,0.022277832,0.0034656525,0.024887085,0.03692627,0.00843811,-0.03488159,0.031555176,0.0042304993,0.01902771,-0.005722046,0.040100098,0.029205322,-0.0031356812,0.0057144165,-0.0057868958,-0.019805908,-0.0021953583,0.0009608269,0.006034851,0.010864258,-0.0107421875,-0.036010742,0.04284668,0.015098572,-0.02709961,-0.020217896,0.014656067,0.005744934,-0.035064697,0.01637268,0.028335571,0.055145264,-0.017532349,-0.0034599304,0.019958496,0.02154541,0.03741455,0.015586853,-0.017852783,0.01184082,-0.01739502,0.017990112,0.003944397,-0.011543274,0.00422287,0.0062026978,0.03414917,0.020446777,0.013710022,-0.014221191,-0.021087646,-0.0056762695,-0.013259888,-0.015716553,0.0181427,0.023147583,0.030136108,-0.025863647,0.021072388,0.012306213,-0.034942627,-0.011978149,0.006374359,0.035491943,-0.022842407,-0.023498535,0.016952515,-0.0075683594,0.033691406,-0.0574646,0.015213013,0.0057754517,0.021392822,-0.020614624,-0.042907715,-0.039794922,0.00982666,0.040222168,0.0025539398,0.022659302,0.026779175,0.0054779053,0.006046295,0.02998352,0.004814148,-0.011940002,-0.008583069,-0.04385376,-0.0057640076,-0.0072517395,-0.0064468384,-0.031463623,0.004524231,-0.023376465,-0.03866577,-0.0014429092,-0.0030879974,-0.0017385483,-0.00042915344,0.0058517456,0.03616333,0.00097227097,0.011985779,-0.014526367,-0.019165039,0.0029239655,0.019012451,0.012413025,-0.05038452,0.022903442,-0.014450073,-0.012229919,-0.0025920868,0.020645142,0.026779175,0.024856567,0.011268616,0.03265381,-0.057525635,0.032196045,-0.024398804,0.01525116,0.010284424,-0.035461426,-0.0040397644,-0.021087646,-0.019439697,0.046844482,-0.015533447,-0.017654419,-0.030303955,-0.0395813,-0.011100769,-0.051849365,0.0209198,0.046325684,0.036315918,-0.022262573,0.0047416687,0.0079956055,-0.004840851,-0.01638794,-0.0064964294,-0.0072898865,0.021118164,0.013435364,0.0047035217,-0.040496826,-0.024261475,-0.009490967,-0.0009036064,-0.05230713,-0.050750732,-0.016189575,0.015548706,-0.0028305054,-0.0055618286,-0.02230835,-0.024414062,-0.0077934265,-0.038116455,0.013534546,0.0115737915,0.025909424,0.001953125,-0.022903442,0.007423401,0.016647339,-0.0035591125,0.03353882,-0.0051116943,-0.011512756,-0.026229858,0.02305603,0.037353516,0.029006958,0.009017944,-0.0023822784,-0.019760132,-0.020233154,-0.05682373,-0.014144897,0.005241394,0.0011949539,-0.0005502701,-0.0058670044,-0.044067383,-0.0067481995,-0.007926941,-0.012039185,0.020309448,0.0072250366,0.012313843,0.005958557,0.0021457672,-0.0055274963,-0.012687683,-0.021652222,0.02671814,0.01133728,0.0050086975,0.006801605,0.046813965,0.013626099,-0.017730713,0.00077295303,0.012901306,0.020950317,-0.026168823,-0.002714157,-0.004245758,0.01550293,-0.019348145,-0.015853882,-0.036956787,-0.0017051697,0.08917236,-0.0031719208,0.005241394,-0.011489868,-0.014160156,0.02911377,0.02796936,-0.04055786,0.0032234192,-0.041809082,0.007369995,-0.023284912,0.024917603,0.01159668,0.018066406,-0.027023315,-0.058624268,-0.0075531006,0.0056114197,-0.009033203,-0.062072754,-0.01625061,-0.057617188,-0.007987976,-0.018661499,-0.019500732,0.0033874512,0.012359619,-0.012207031,-0.087402344,-0.0022716522,0.049835205,0.0158844,0.02671814,-0.019760132,0.020050049,0.020324707,-0.03555298,-0.021224976,0.04083252,-0.02420044,-0.006225586,-0.023834229,0.025680542,-0.019958496,-0.033203125,0.014854431,0.011619568,0.018661499,-0.018630981,0.00856781,-0.009727478,0.0095825195,-0.013786316,0.014976501,-0.010131836,-0.02128601,0.033996582,-0.04800415,0.022354126,0.036621094,-0.0007238388,0.010025024,0.03756714,0.03930664,-0.03765869,-0.016571045,0.022125244,0.013130188,0.04849243,-0.020568848,0.037475586,0.023239136,-0.022216797,0.019256592,-0.005847931,-0.026870728,-0.047332764,-0.01852417,0.022140503,-0.006702423,0.019073486,-0.02357483,0.015136719,0.020889282,-0.004383087,0.0061073303,-0.01058197,-0.022262573,-0.0079574585,0.00085163116,0.00957489,0.0087890625,0.0006656647,0.02708435,0.015464783,0.038726807,0.024337769,-0.0066452026,0.013114929,0.01322937,-0.018249512,0.00982666,0.014724731,0.0043640137,0.015014648,0.01625061,0.013412476,-0.037902832,-0.011604309,-0.019363403,-0.014762878,0.00064992905,-0.006095886,-0.012168884,-0.005683899,0.003501892,0.0053520203,-0.041381836,0.015464783,-0.022384644,-0.032043457,-0.0055389404,-0.021453857,0.005355835,0.00970459,0.008522034,0.024429321,0.00617218,0.0440979,0.006336212,-0.0046844482,0.034423828,0.025054932,0.013465881,-0.026855469,0.007522583,-0.010932922,0.0010852814,0.008842468,-0.017059326,-0.004081726,0.037384033,-0.011070251,0.009361267,-0.003862381,0.020523071,-0.004600525,0.00969696,-0.010665894,0.020080566,-0.018432617,0.030670166,-0.041778564,0.004333496,0.0211792,-0.0000023245811,-0.015670776,-0.0026988983,-0.03074646,0.012367249,0.008628845,-0.00705719,0.046936035,-0.0028915405,0.021057129,-0.029800415,-0.0055274963,-0.00868988,-0.02128601,-0.010223389,0.034576416,0.01499176,-0.007461548,0.019165039,-0.041992188,0.037902832,-0.04196167,0.016662598,-0.0064697266,0.008476257,-0.0068588257,-0.02268982,-0.017044067,-0.010124207,-0.01411438,0.006755829,0.00349617,0.05166626,0.0149383545,0.026657104,0.040985107,0.012168884,0.005680084,-0.035095215,-0.030807495,0.00031280518,-0.02897644,0.012496948,-0.02772522,0.051361084,0.035614014,-0.00028848648,0.032958984,0.042999268,0.02407837,0.018966675,0.02583313,-0.011985779,0.01008606,-0.0052108765,0.026351929,-0.003189087,0.05001831,-0.013412476,0.024414062,0.0064888,0.023101807,-0.023742676,0.0259552,0.07196045,0.025604248,-0.016159058,0.0345459,0.005088806,-0.011444092,-0.016052246,-0.03010559,0.056518555,0.0048103333,0.054779053,0.046813965,0.0154418945,-0.0017957687,0.02684021,-0.029022217,-0.017791748,0.060272217,0.016571045,-0.016983032,-0.027435303,-0.0129470825,0.016189575,-0.040100098,-0.01965332,0.023651123,-0.013999939,0.0054244995,-0.009002686,-0.0001475811,-0.0058517456,0.02166748,0.030090332,0.019348145,-0.016448975,0.021759033,0.025619507,0.0043525696,0.016555786,-0.0075263977,0.015655518,-0.03665161,-0.01335144,0.007019043,0.016342163,-0.0062065125,-0.022445679,0.018157959,0.0045166016,0.054779053,0.042114258,-0.026168823,0.01083374,0.029846191,0.011184692,0.00009697676,0.052825928,0.029632568,0.009178162,0.030136108,0.047546387,0.0284729,-0.038330078,0.029846191,-0.006755829,0.012573242,-0.006702423,-0.015975952,0.010444641,-0.014144897,0.017837524,-0.0009088516,-0.011962891,0.017364502,0.029815674,0.007865906,-0.0056648254,-0.018829346,0.015991211,-0.020446777,0.001121521,0.008659363,-0.016937256,0.029159546,0.006690979,0.032043457,-0.018966675,0.027755737,-0.012168884,-0.017929077,-0.002090454,0.023880005,-0.035339355,-0.0005097389,0.007297516,-0.010643005,-0.044647217,0.016296387,0.019561768,-0.009803772,0.024093628,-0.0040664673,0.0021095276,0.0012226105,0.023483276,0.0090789795,0.003288269,-0.009727478,-0.014434814,0.047027588,0.04647827,0.00207901,0.016143799,-0.01902771,0.00459671,0.009643555,0.0016126633,-0.0046043396,-0.0066452026,-0.019256592,-0.042114258,0.0102005005,0.041137695,0.025863647,0.036315918,0.004814148,-0.0073776245,0.0032291412,0.01524353,0.009429932,0.0013055801,-0.013298035,0.010902405,-0.020828247,0.043823242,0.03250122,0.010848999,0.03515625,-0.010520935,-0.024169922,0.0033626556,-0.0082473755,0.024673462,-0.019012451,0.022872925,-0.0066566467,0.021392822,-0.02508545,-0.041046143,0.016616821,-0.015716553,-0.015205383,-0.02394104,0.0026569366,0.013198853,0.025024414,0.034210205,0.020614624,-0.034057617,0.06976318,-0.018051147,0.055511475,-0.01084137,0.0052757263,0.039154053,0.030059814,0.03741455,0.017089844,0.019714355,-0.031585693,0.020004272,0.03781128,0.027008057,0.012664795,-0.005519867,-0.033050537,0.02947998,0.001209259,0.03213501,-0.01713562,0.005706787,0.023635864,-0.0041160583,-0.0045394897,0.007827759,-0.006717682,0.0047416687,0.03387451,-0.037139893,-0.016052246,-0.005584717,-0.013198853,0.033111572,-0.014724731,0.0065994263,0.01007843,-0.026123047,0.020111084,-0.025482178,-0.018737793,0.0004901886,0.024642944,-0.04800415,-0.015975952,0.0020980835,0.0008583069,-0.016021729,0.03439331,0.028945923,0.00088214874,0.0051612854,0.03250122,-0.006801605,0.025222778,-0.019500732,0.022964478,0.041412354,0.006477356,-0.021133423,0.010948181,0.003370285,-0.023040771,0.0023403168,0.029907227,-0.014007568,0.0046157837,0.0046844482,-0.020263672,0.022842407,0.0005335808,-0.0077781677,0.0054969788,-0.011329651,-0.023895264,-0.0056877136,0.006931305,0.0005874634,0.010429382,-0.01586914,-0.015853882,0.013549805,0.03643799,0.021865845,-0.03878784,0.008033752,0.011512756,0.014434814,-0.03704834,-0.010505676,0.00014925003,-0.023742676,0.0134887695,0.02255249,0.010978699,0.00642395,-0.015106201,-0.0053367615,0.0317688,0.018951416,0.026626587,0.003288269,-0.0023956299,0.017456055,-0.024871826,0.0041236877,-0.012672424,-0.022277832,0.0063323975,0.012779236,-0.0042381287,-0.01651001,0.028656006,-0.0067749023,0.011833191,0.0062332153,-0.015640259,0.020324707,-0.015808105,-0.01058197,0.002336502,0.018203735,-0.0067710876,-0.020706177,-0.020080566,0.02142334,0.052642822,-0.012054443,-0.0052337646,0.033996582,0.011024475,0.0141067505,0.041748047,0.003168106,0.048980713,0.021316528,-0.030639648,-0.02130127,0.01802063,-0.012260437,-0.036468506,0.02432251,-0.01727295,-0.017807007,0.015174866,0.017288208,-0.00019609928,-0.028900146,-0.020217896,-0.0018520355,-0.019607544,0.013160706,-0.0024089813,0.011795044,-0.030700684,-0.012664795,-0.0041999817,-0.012069702,-0.044158936,-0.02659607,-0.003068924,-0.012268066,-0.05239868,0.008605957,-0.02947998,0.02003479,-0.024520874,0.002368927,-0.00881958,0.022964478,-0.021026611,-0.0061950684,0.01209259,0.03024292,0.0072364807,0.010726929,0.025726318,-0.01826477,-0.04449463,-0.021972656,0.0013656616,-0.019363403,0.023040771,0.0022277832,0.036376953,0.022644043,-0.0049362183,-0.005367279,-0.015106201,-0.00573349,0.0037117004,-0.024398804,-0.005088806,0.023406982,0.011024475,-0.008735657,-0.027328491,0.0473938,-0.02947998,-0.010871887,0.033721924,0.045684814,0.006526947,0.04083252,-0.0076026917,-0.007850647,-0.016220093,0.008468628,-0.023223877,0.008277893,-0.010650635,-0.0021133423,-0.0060577393,-0.00079774857,0.021148682,0.0017461777,-0.0029296875,0.020767212,-0.007987976,-0.0154418945,0.024337769,0.004589081,0.007297516,-0.019439697,-0.014854431,0.033050537,0.03555298,0.023635864,-0.0012216568,-0.0023880005,0.027282715,-0.02217102,0.007701874,0.014419556,-0.01928711,-0.027755737,-0.010864258,-0.03314209,0.011428833,0.014343262,0.007881165,0.001004219,0.020401001,-0.011688232,-0.03048706,-0.0101623535,0.01826477,0.020111084,-0.0035362244,-0.016067505,0.006500244,0.022644043,-0.033843994,-0.0008535385,-0.028762817,-0.03152466,-0.003068924,-0.025436401,0.02180481,0.011077881,-0.015586853,0.00052022934,-0.012214661,0.006351471,0.003156662,0.036956787,-0.011680603,-0.008346558,0.026412964,0.027511597,-0.019195557,0.016311646,-0.023590088,-0.008354187,0.022476196,-0.010047913,0.0129852295,-0.01234436,0.025482178,-0.0020313263,-0.011314392,0.03466797,0.00434494,0.020248413,-0.029525757,0.007507324,0.0014791489,-0.012260437,0.019042969,-0.021408081,-0.018737793,0.0018472672,-0.019699097,-0.03479004,0.001291275,0.020202637,0.040496826,-0.00002861023,0.03942871,-0.01689148,-0.023010254,0.014762878,0.0107040405,-0.013755798,0.00014019012,0.03314209,0.005710602,0.0025730133,-0.005718231,-0.017623901,-0.026473999,-0.0121154785,0.01889038,-0.0023231506,-0.0013465881,0.027282715,0.008728027,0.045013428,0.0021705627,0.006126404,0.0143966675,0.009117126,0.012214661,0.0077209473,0.042236328,-0.00045609474,-0.025268555,0.020248413,-0.0059394836,-0.030029297,-0.015464783,-0.016921997,0.009262085,-0.03427124,0.009979248,-0.002632141,0.02255249,-0.026306152,0.016571045,-0.028396606,0.009147644,-0.031036377,-0.0113220215,-0.030426025,0.0038471222,0.038391113,0.007461548,0.006832123,0.012329102,-0.017166138,0.024551392,0.052734375,-0.01109314,-0.02532959,-0.008262634,0.014633179,-0.0039901733,0.014595032,-0.000032305717,-0.002325058,-0.023345947,0.0010175705,-0.011634827,0.020706177,-0.00945282,0.008529663,-0.005504608,-0.008110046,-0.0090408325,0.029022217,0.0013570786,0.001285553,0.010444641,0.017654419,0.035125732,0.041259766,-0.010848999,0.02015686,0.018218994,-0.0413208,0.055664062,0.0052452087,0.035217285,-0.025848389,-0.00680542,-0.038085938,-0.021636963,-0.016052246,0.0011539459],"createdAt":"2026-04-18T18:46:05.201Z","updatedAt":"2026-04-22T23:01:31.556Z","lastSeenAt":"2026-04-22T23:01:31.556Z","tsv":"'/api/v1/claims/56':47,169 '/docs':214 '/pricing':215 '/readme':216 '/request':13,28 '0.02':12,27,76,136,158 '0x1a2b':122 '0x8335':116 '20000':149 '2913':117 '300':129 '6':154 '85f3':123 'Base network API' 'USDC micropayment API' 'accept':104 'access':7,22,38,200 'across':139 'address':121 'advertis':133,162 'ai':63,189 'analyt':62,188 'api':6,21,37,88,142,182,199 'base':9,24,84,119,150 'behind':168 'call':4,19 'categori':59 'chain':112 'challeng':97 'claim':238 'claims API' 'commit':93 'confirm':98 'connect':220 'consist':159 'content':226 'contract':115 'data':61,207 'decim':155 'descript':195 'detail':204 'document':181,212,231 'endpoint':32,52,72,100,173,193,239 'exact':233 'financ':66,190 'function':167 'howev':164 'includ':60 'infrastructur':69 'json-response' 'key':89 'land':186 'learn':65 'limit':91 'live':102 'lowpaymentfee' 'lowpaymentfee.com':34 'machin':64 'mani':51 'match':177 'maxamountrequir':147 'maximum':126 'model':138 'network':85 'no-api-key' 'offer':53,143 'on-chain':110 'one':49 'page':187,213 'paid':79 'particular':237 'path':174 'pay':2,17 'pay-per-cal':1,16 'pay-per-call API' 'pay-per-request' 'payment':42,107 'per':3,18,77 'platform':56,132 'post':105 'post-method' 'premium':5,20,36,198 'premium access endpoint' 'price':74,137,163 'probe':145 'prompt':222 'protocol':43 'provid':35 'purpos':234 'rate':90 'remain':240 'request':78,106 'request/response':228 'requir':94 'resourc':46 'return':211,217 'rout':183 'schema':229 'second':130 'servic':209 'settl':109 'simpli':197 'span':58 'specif':45,166 'substant':225 'timeout':127 'translat':156 'unclear':171 'uniform':135 'unit':151 'unknown':241 'usdc':15,30,81,114,152 'usdc-base-network' 'use':113 'util':70,192 'via':10,25,39 'wallet':221 'web3':67 'without':227 'x402':11,26,41,96 'x402 API' 'x402-payment'","prices":[{"id":"2dffeeb2-36c7-4af1-af6b-6c4725b45427","listingId":"ed2f00d7-1581-4b96-9878-4d18a8d4ef8c","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/claims/56","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:46:05.201Z"}],"sources":[{"listingId":"ed2f00d7-1581-4b96-9878-4d18a8d4ef8c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/claims/56","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:46:05.201Z","lastSeenAt":"2026-04-22T23:01:31.556Z"}],"details":{"listingId":"ed2f00d7-1581-4b96-9878-4d18a8d4ef8c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/claims/56 \\\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":"All endpoints priced at $0.02 per request with no API keys, rate limits, or minimums","source_url":"https://lowpaymentfee.com"},{"claim":"Payment in USDC on Base network, maxAmountRequired 20000 base units ($0.02)","source_url":"https://lowpaymentfee.com/api/v1/claims/56"},{"claim":"Platform offers endpoints across data & analytics, AI & ML, finance & Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Programmatic access to premium API services without API key management","Agent-driven pay-per-call workflows settled in USDC on Base","On-demand API consumption with no subscription or rate limits"],"bestFor":["Developers wanting zero-commitment, pay-as-you-go API access","AI agents that can settle x402 payments autonomously on Base","Users who prefer on-chain USDC payments over traditional billing"],"notFor":["Users needing detailed documentation or guaranteed SLAs before integrating","Anyone requiring non-crypto payment methods","Use cases requiring high-throughput with predictable flat-rate pricing"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:19.706Z"},"updatedAt":"2026-04-22T23:01:31.556Z"}}