{"id":"6bf9b0dd-94ab-4cf0-a156-b97b51fabfcd","shortId":"zABSaJ","kind":"x402","title":"x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC.","tagline":"x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC.","description":"This endpoint at `/api/v1/nfts/34` is part of the lowpaymentfee.com platform, a collection of x402-protocol pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities. The specific resource at `/nfts/34` is labeled \"Premium API Access\" and returns JSON content. It accepts POST requests and settles payments on the Base network using USDC (contract `0x8335…2913`).\n\nThe x402 challenge advertises a `maxAmountRequired` of 20,000 base units. Since USDC uses 6 decimals, this translates to $0.02 per request — consistent with the site-wide flat pricing of $0.02/request. The platform emphasizes no API keys, no rate limits, no minimums, and instant access. Payment is made via the x402 `exact` scheme with a 300-second timeout.\n\nThe exact data returned by `/api/v1/nfts/34` is not documented. The endpoint title is simply \"Premium API Access,\" and no OpenAPI spec, request/response schema, or detailed documentation was found. The site's other pages (pricing, README, API docs) all resolve to a minimal \"Connect wallet\" page, offering no additional technical detail. Because of this, the precise purpose and response shape of this NFT-related endpoint remain unclear.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","nft-data","json-response","post-method"],"categories":["web3","nft"],"synonyms":["NFT API","pay-per-call API","x402 NFT endpoint","USDC micropayment API","Base network API","lowpaymentfee","crypto-gated API"],"warnings":["No OpenAPI or schema documentation available for this endpoint","The exact purpose and response format of /api/v1/nfts/34 is undocumented","All documentation pages (pricing, README, API) resolve to a minimal 'Connect wallet' page with no technical content","The endpoint title 'Premium API Access' is generic and does not describe the actual data returned"],"endpointUrl":"https://lowpaymentfee.com/api/v1/nfts/34","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/nfts/34","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no OpenAPI spec, no documented request/response schema, no examples, and no meaningful documentation beyond the endpoint title. The actual data returned is unknown, making this 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":"2026-04-21T23:38:46.816Z","embedding":[-0.034576416,-0.020843506,0.04510498,0.017227173,0.031677246,-0.03277588,-0.017181396,0.032165527,0.04156494,-0.07171631,0.042297363,-0.023223877,-0.052520752,-0.058410645,-0.026809692,0.016143799,-0.015106201,-0.013633728,-0.050109863,0.029449463,0.049041748,-0.016921997,-0.015556335,0.028915405,-0.010620117,-0.007369995,-0.0046806335,-0.007129669,0.009902954,-0.012168884,0.015068054,-0.026245117,-0.00046253204,0.006713867,-0.01121521,-0.005306244,0.007255554,0.032287598,0.004585266,-0.015144348,0.0014753342,-0.0619812,-0.013122559,-0.012382507,-0.035461426,-0.020614624,-0.0015993118,-0.03591919,-0.020950317,0.018005371,-0.03189087,-0.008399963,-0.025299072,0.0042495728,0.009002686,0.0340271,-0.0126953125,-0.009147644,-0.0004451275,0.008354187,-0.006652832,-0.07196045,-0.00038838387,-0.0020580292,0.02482605,0.04135132,-0.01838684,0.054718018,0.003238678,0.08276367,0.026367188,0.049102783,0.029891968,0.01247406,0.0035591125,-0.017562866,-0.004497528,0.06536865,-0.0152282715,-0.03286743,-0.018234253,-0.011566162,-0.052001953,-0.025970459,-0.008895874,-0.06866455,-0.021240234,0.01626587,-0.046142578,0.030319214,-0.07763672,-0.0060577393,-0.015396118,0.020568848,-0.031677246,-0.022781372,-0.02949524,0.011688232,0.0053215027,0.013374329,-0.009170532,-0.021072388,0.019714355,0.014541626,0.047027588,0.05078125,0.02017212,0.011802673,-0.009712219,-0.021575928,-0.0098724365,0.0046081543,0.0088272095,-0.009490967,0.016677856,0.015808105,-0.04800415,0.04324341,-0.010688782,0.037353516,-0.030899048,0.049804688,0.017105103,-0.016098022,0.01285553,-0.021240234,-0.021133423,0.009979248,-0.01838684,-0.003610611,0.037261963,0.008033752,0.04449463,-0.035308838,-0.030380249,-0.008560181,-0.021331787,-0.013031006,-0.046569824,-0.019256592,0.029418945,-0.029312134,0.03741455,0.03579712,-0.09716797,0.008293152,-0.04083252,0.03942871,-0.03652954,0.022628784,-0.013534546,0.03491211,-0.0022907257,-0.024047852,-0.01739502,-0.027160645,0.004005432,0.017089844,-0.014289856,0.042236328,-0.004940033,0.01651001,0.025650024,0.011688232,0.042419434,0.047302246,-0.011192322,-0.0848999,-0.073791504,-0.013381958,-0.0018701553,-0.025146484,-0.023956299,-0.0015926361,-0.004676819,-0.07861328,-0.015281677,-0.0022735596,0.019851685,-0.03894043,-0.0116119385,-0.06951904,-0.004180908,-0.016357422,-0.055389404,-0.025909424,-0.037597656,0.052856445,0.013771057,0.0024147034,0.038238525,-0.009963989,0.046813965,0.010429382,-0.02658081,-0.031036377,0.0075416565,-0.03643799,0.03942871,0.00025558472,0.020599365,-0.005252838,0.029449463,0.056671143,0.013595581,-0.014190674,-0.0049057007,-0.05682373,-0.028121948,-0.018249512,0.008720398,0.024093628,-0.026687622,0.019226074,-0.037750244,-0.027267456,0.0010137558,0.024032593,0.008163452,0.061187744,0.017349243,0.016677856,0.01600647,0.019302368,-0.033111572,0.036865234,0.024887085,0.011299133,-0.012077332,-0.031280518,0.0104522705,0.032806396,-0.02973938,0.008636475,-0.037719727,0.0151901245,-0.005783081,-0.01739502,0.020950317,0.006641388,-0.022720337,-0.06185913,0.0001578331,0.036590576,-0.002904892,-0.037231445,-0.047088623,-0.074157715,0.030532837,0.075805664,0.029891968,-0.0009860992,0.0067596436,-0.035217285,-0.018966675,-0.07373047,0.05718994,0.091308594,-0.015098572,-0.0074005127,0.032348633,-0.018539429,-0.03643799,-0.013755798,-0.003944397,-0.028656006,-0.008544922,0.01675415,-0.03439331,0.008163452,0.0184021,0.009750366,0.042999268,-0.039031982,-0.058776855,-0.012718201,-0.006099701,0.006336212,-0.023330688,-0.01939392,0.010002136,0.017333984,0.03237915,0.015602112,0.017105103,-0.012527466,0.012565613,0.0038471222,-0.001540184,-0.005657196,-0.016357422,0.004261017,0.018249512,-0.060333252,0.008758545,-0.009063721,0.047668457,-0.041229248,0.029708862,-0.007209778,0.0040359497,0.041015625,-0.003774643,-0.036346436,-0.011619568,0.018692017,0.043701172,0.040649414,0.010955811,-0.011619568,-0.007461548,0.06628418,-0.038085938,-0.015144348,-0.004573822,0.03164673,0.045715332,0.014595032,-0.047698975,-0.017425537,0.0011739731,-0.048980713,0.040374756,-0.020614624,0.022735596,-0.010635376,0.0067596436,-0.013069153,-0.0017309189,-0.015319824,0.020111084,-0.029556274,-0.001578331,-0.01637268,0.0017976761,0.011451721,0.025283813,-0.021133423,0.0043411255,0.027069092,0.03414917,-0.011756897,-0.018005371,-0.021652222,-0.018676758,0.016845703,0.009155273,0.022735596,0.0012903214,0.039886475,-0.04537964,0.009681702,0.019165039,0.008377075,0.045074463,-0.003786087,0.002313614,-0.051239014,-0.049041748,-0.03338623,-0.037353516,0.031677246,0.030899048,-0.005783081,0.04864502,-0.007904053,-0.034973145,-0.024642944,0.02229309,-0.06518555,-0.0099487305,0.045837402,-0.007980347,-0.024978638,0.021209717,0.011665344,0.019821167,0.03274536,0.017288208,-0.0022716522,0.07354736,0.041168213,0.0013837814,0.009048462,0.028839111,0.022384644,0.010864258,-0.030380249,-0.025863647,-0.02909851,0.024856567,-0.031219482,-0.032470703,-0.061767578,0.04144287,0.02696228,0.081848145,0.01461792,0.011444092,0.05609131,-0.012130737,0.00970459,-0.03387451,-0.02633667,-0.034362793,-0.018234253,0.027297974,-0.00869751,-0.004081726,-0.053741455,0.023513794,0.012496948,0.01474762,-0.034606934,0.06866455,0.008071899,-0.0034217834,0.02204895,-0.0030021667,0.048736572,0.059051514,-0.03164673,0.030776978,-0.00522995,-0.03869629,-0.00051403046,0.039642334,-0.00017488003,-0.021270752,-0.06298828,-0.02571106,-0.0023612976,-0.008987427,-0.049468994,0.0008921623,0.0099105835,0.028869629,0.046051025,-0.008270264,-0.03225708,0.008773804,-0.001868248,-0.062286377,-0.0008196831,-0.047729492,0.005432129,0.034973145,-0.016662598,-0.0054359436,0.0033035278,0.01586914,-0.0055160522,0.0231781,-0.009140015,0.0013542175,-0.03881836,0.02128601,-0.0036182404,0.03527832,0.013648987,0.031585693,0.04083252,0.02130127,0.038726807,0.013549805,-0.038909912,-0.05581665,0.028305054,-0.031341553,-0.008285522,0.013938904,-0.01890564,0.010528564,-0.004257202,-0.012825012,-0.033966064,0.0056648254,-0.03765869,0.009094238,0.021072388,-0.03479004,-0.022491455,-0.041107178,-0.03277588,0.0022602081,0.06677246,0.042663574,0.010292053,-0.04647827,-0.024642944,0.03286743,-0.0015029907,0.009307861,-0.0152282715,-0.005142212,-0.025985718,-0.036346436,-0.017547607,-0.03338623,0.022125244,-0.0041160583,-0.0032691956,0.037109375,0.010063171,0.0013589859,-0.014350891,-0.01146698,0.031951904,-0.022750854,0.027252197,-0.017288208,0.054870605,-0.008743286,-0.017562866,-0.035339355,0.060760498,-0.0023384094,0.036010742,-0.04727173,0.010047913,-0.007850647,0.025177002,0.0135269165,-0.023361206,-0.0018587112,-0.007587433,-0.031433105,-0.07702637,0.042144775,-0.00030112267,0.036376953,0.006351471,0.0018701553,0.04208374,-0.010475159,-0.009239197,0.030715942,-0.020812988,-0.015556335,-0.03237915,-0.04373169,-0.022476196,-0.005317688,-0.023727417,0.021453857,-0.0010328293,0.012588501,0.0012197495,-0.035064697,0.010437012,0.005634308,-0.0041236877,0.03579712,0.009925842,0.021377563,0.045013428,0.010307312,-0.040252686,0.026382446,0.0017213821,-0.0025253296,-0.008598328,0.048034668,0.035583496,-0.0053215027,-0.010604858,0.00040888786,0.01461792,-0.022521973,-0.020248413,0.013343811,0.019317627,0.0155181885,-0.03137207,0.011558533,0.00831604,-0.032073975,-0.0085372925,-0.0027999878,0.027511597,-0.034179688,0.02003479,0.022460938,0.044311523,-0.03564453,0.0057868958,0.019439697,0.03540039,0.011161804,-0.004219055,-0.013580322,0.0209198,-0.0039596558,0.014350891,0.018356323,-0.017822266,0.0056762695,0.00869751,0.01687622,0.021713257,0.015899658,-0.016677856,-0.022109985,-0.0011911392,0.009185791,-0.017593384,0.027145386,0.02406311,0.022857666,-0.0038375854,0.011993408,0.010063171,-0.023040771,-0.020111084,-0.004119873,0.030639648,-0.011871338,0.004421234,0.005870819,0.00843811,0.013183594,-0.055725098,0.0036182404,0.010421753,0.022216797,-0.014259338,-0.045684814,-0.013435364,-0.02217102,0.021957397,-0.010955811,0.014442444,0.038635254,0.0031471252,-0.009254456,0.020751953,0.01171875,-0.011009216,-0.024261475,-0.041503906,-0.001996994,0.003944397,0.0029792786,-0.013916016,0.0034885406,-0.025344849,-0.033050537,-0.00063180923,-0.03024292,-0.0057411194,-0.0068130493,0.0030574799,0.021499634,-0.005859375,0.010559082,-0.016998291,-0.026062012,-0.0028533936,-0.0034484863,0.022109985,-0.046417236,0.018447876,-0.027252197,0.006401062,-0.012313843,0.011779785,0.013771057,0.01626587,0.008010864,0.029815674,-0.031585693,0.036865234,-0.01550293,0.015098572,0.009178162,-0.04208374,-0.0013608932,-0.019424438,-0.0234375,0.033111572,-0.00459671,-0.008842468,-0.018341064,-0.0317688,-0.02017212,-0.041748047,0.019241333,0.029342651,0.03842163,-0.023498535,0.010002136,0.020858765,0.010406494,-0.018676758,0.0074691772,-0.01512146,0.009788513,0.03074646,0.007144928,-0.032226562,-0.038726807,0.00037288666,-0.007835388,-0.04788208,-0.049102783,-0.02204895,0.005218506,0.0036582947,0.012962341,-0.019500732,-0.019805908,-0.0012702942,-0.033050537,0.023284912,0.0045776367,0.015159607,0.028381348,-0.02079773,0.014923096,0.021972656,-0.023330688,0.013252258,0.021148682,-0.007194519,-0.0418396,0.006111145,0.043640137,0.01739502,-0.003358841,-0.0116119385,0.0009217262,-0.029052734,-0.058166504,0.002155304,-0.0037975311,0.009643555,0.0020332336,-0.0010061264,-0.04751587,-0.0033016205,-0.031036377,0.0011320114,0.01739502,0.009750366,0.01675415,0.00730896,-0.0014095306,-0.012428284,-0.007820129,-0.030883789,-0.0009460449,0.01108551,-0.0045433044,0.020233154,0.036743164,0.0015897751,-0.007858276,-0.015266418,-0.012771606,0.023376465,-0.019180298,-0.0044517517,-0.0099105835,0.0184021,0.003364563,-0.018875122,-0.033233643,-0.0011396408,0.06317139,-0.01322937,0.0017824173,0.0000410676,0.0015573502,0.010437012,0.035827637,-0.05014038,-0.004463196,-0.028945923,0.027694702,-0.010520935,0.009132385,0.0014648438,0.032409668,-0.033203125,-0.04574585,-0.007472992,-0.00069618225,-0.016311646,-0.06512451,-0.021469116,-0.05239868,-0.00008279085,-0.019622803,-0.020095825,-0.0001348257,0.017089844,-0.023803711,-0.092163086,-0.008506775,0.058776855,0.013435364,0.016967773,-0.014091492,0.026748657,0.026824951,-0.021972656,-0.0074882507,0.025527954,-0.022979736,0.00044727325,-0.025543213,0.03994751,-0.002588272,-0.016693115,0.025024414,0.015174866,0.023452759,-0.02027893,0.026550293,-0.018096924,0.002275467,-0.008163452,0.010856628,-0.013900757,-0.01940918,0.03451538,-0.04626465,0.041137695,0.012374878,0.020111084,0.011329651,0.028442383,0.02128601,-0.04876709,-0.013458252,0.034576416,0.017303467,0.04510498,-0.031951904,0.019088745,0.012672424,-0.013717651,0.01739502,-0.022262573,-0.026504517,-0.048187256,-0.020584106,0.023757935,0.006565094,-0.0061187744,-0.021942139,0.018936157,0.0036506653,0.011047363,-0.0064849854,-0.021026611,-0.013824463,-0.03652954,0.00881958,0.013412476,-0.010299683,0.0042648315,0.017730713,0.034362793,0.028518677,0.013717651,-0.011817932,0.0038337708,0.008834839,-0.010673523,-0.008918762,0.019302368,0.015014648,0.022735596,0.028015137,0.023254395,-0.04598999,-0.020217896,-0.017425537,-0.011917114,0.003227234,-0.00422287,0.0018854141,0.0072898865,0.00705719,0.00044965744,-0.027938843,0.014007568,-0.029586792,-0.025283813,0.0024280548,-0.020370483,0.015808105,0.009468079,-0.006958008,0.016433716,-0.002571106,0.04071045,0.0033874512,-0.015930176,0.028656006,0.027359009,0.015098572,-0.033355713,-0.011154175,-0.01272583,-0.01889038,-0.0013694763,-0.015716553,0.014389038,0.036193848,0.0012321472,0.014457703,-0.005027771,0.0234375,-0.009712219,0.020004272,0.00075387955,0.012779236,-0.021575928,0.037902832,-0.043029785,0.019317627,0.014274597,-0.0026950836,0.0020713806,-0.0074005127,-0.021057129,0.023345947,0.011871338,-0.004623413,0.03302002,-0.013221741,0.024276733,-0.022399902,-0.017486572,0.00013375282,-0.027038574,-0.011131287,0.016784668,-0.0068588257,0.0072746277,0.025497437,-0.026184082,0.023971558,-0.014709473,0.0020256042,0.008323669,-0.011695862,-0.02708435,-0.020080566,-0.0032215118,-0.011451721,-0.04171753,0.019485474,-0.010314941,0.055603027,0.0357666,0.014816284,0.029052734,0.010002136,0.028869629,-0.035247803,-0.032104492,-0.0010299683,-0.028411865,0.031097412,-0.025375366,0.038330078,0.044647217,0.01739502,0.04748535,0.022949219,0.023727417,0.008544922,0.018753052,-0.013336182,0.013473511,-0.032470703,0.031341553,-0.005344391,0.053985596,-0.02293396,0.006275177,0.00075769424,0.03189087,-0.021865845,0.015899658,0.06512451,0.03741455,-0.0121536255,0.037353516,0.004798889,-0.020721436,-0.019592285,-0.02079773,0.050964355,0.028045654,0.025756836,0.025650024,0.008239746,-0.0049972534,0.019210815,-0.023239136,-0.021820068,0.049346924,0.029891968,-0.025665283,-0.007270813,-0.012550354,-0.007144928,-0.04083252,-0.0067329407,0.024032593,0.014976501,0.018753052,-0.0061149597,-0.006023407,-0.014343262,0.037200928,0.011924744,0.010910034,-0.009918213,0.02293396,0.02279663,0.008293152,0.015655518,0.013320923,0.018798828,-0.029449463,-0.020874023,0.016479492,0.025665283,-0.013404846,0.004673004,0.021835327,0.010002136,0.045562744,0.018615723,-0.023391724,-0.012275696,0.02243042,0.021316528,-0.009117126,0.036346436,0.036254883,0.025405884,0.038208008,0.034698486,0.019607544,-0.03277588,0.0065231323,-0.005176544,0.0033988953,0.00010883808,-0.0037937164,0.019714355,-0.006931305,0.023971558,0.005962372,-0.020889282,0.03366089,0.019805908,0.0104522705,-0.018096924,-0.0007095337,0.014694214,-0.016357422,-0.0010004044,0.005836487,-0.007587433,0.021270752,0.010673523,0.042266846,-0.024383545,0.030212402,0.0054016113,-0.023880005,-0.013420105,0.027648926,-0.04019165,-0.0005226135,-0.003276825,-0.0073432922,-0.045043945,0.020645142,0.033966064,-0.00019669533,0.021591187,0.002861023,-0.007446289,0.006137848,0.033203125,0.031341553,-0.009605408,-0.0044288635,-0.026062012,0.020706177,0.037261963,-0.002855301,-0.007888794,-0.02331543,0.011856079,0.012634277,-0.014045715,0.00037264824,0.008529663,0.0031528473,-0.03933716,0.022460938,0.029632568,0.012374878,0.034179688,-0.00283432,-0.022827148,-0.0016260147,0.031677246,0.012336731,0.0037708282,-0.0158844,0.014793396,-0.015731812,0.053527832,0.032318115,-0.015197754,0.034301758,-0.00894928,-0.014511108,-0.0048980713,-0.015174866,0.03677368,-0.008743286,0.0042800903,-0.024261475,0.013664246,-0.015136719,-0.02571106,-0.010047913,-0.02243042,-0.01285553,-0.020187378,0.00920105,0.00054979324,0.017456055,0.046081543,0.016494751,-0.011726379,0.061798096,-0.0043182373,0.039001465,-0.015838623,0.007156372,0.052734375,0.027938843,0.04498291,0.029266357,0.021453857,-0.032318115,0.010055542,0.016921997,0.011993408,0.018173218,-0.001499176,-0.030212402,0.045532227,-0.0076141357,0.023605347,0.0026454926,0.006008148,0.011413574,-0.016525269,-0.0030021667,-0.00080537796,0.000187397,0.021011353,0.054107666,-0.037994385,-0.0044517517,-0.021759033,-0.01889038,0.02999878,0.008300781,0.002368927,0.0040740967,-0.02758789,0.012878418,-0.0317688,-0.019805908,0.004196167,0.025756836,-0.03881836,-0.013130188,0.012168884,0.02067566,-0.03289795,0.039031982,0.044158936,-0.00028157234,0.014884949,0.03125,-0.0087509155,0.039367676,-0.014762878,0.027297974,0.032165527,0.0026435852,-0.007083893,0.02507019,0.00674057,-0.020507812,0.00020670891,0.037078857,0.0041236877,0.0052337646,0.0077781677,0.0067367554,-0.0034217834,0.0060920715,-0.014846802,0.0037269592,-0.015357971,-0.011894226,0.005695343,0.011940002,0.01171875,0.012992859,-0.014389038,-0.01927185,0.010864258,0.0357666,0.017333984,-0.042236328,-0.013000488,0.007904053,0.023605347,-0.033172607,-0.014221191,-0.0068130493,-0.040222168,0.0075263977,0.019210815,0.00090789795,0.018676758,-0.024139404,-0.020217896,0.042907715,0.0035419464,0.02293396,0.020339966,-0.0061569214,0.027267456,-0.0134887695,0.00091457367,-0.008293152,-0.0013771057,0.010574341,0.00730896,-0.020187378,-0.030197144,0.014007568,-0.012451172,0.015853882,0.017242432,-0.010910034,0.02758789,-0.030212402,-0.0045776367,0.006629944,0.0007286072,-0.011962891,-0.025344849,-0.017623901,0.022216797,0.053466797,-0.019104004,-0.012184143,0.027130127,0.03048706,0.016921997,0.032928467,0.021484375,0.033233643,0.017837524,-0.019760132,-0.033996582,0.018356323,-0.015686035,-0.021774292,0.017547607,-0.015975952,-0.020858765,0.03050232,0.017944336,-0.012664795,-0.03302002,-0.0074424744,-0.014404297,-0.025741577,0.028152466,-0.0064048767,0.025436401,-0.009399414,-0.0023899078,0.030090332,-0.027832031,-0.02709961,-0.021408081,0.0067443848,-0.017623901,-0.04446411,0.00088357925,-0.015960693,0.009719849,-0.017669678,-0.011260986,-0.0076675415,0.035980225,-0.002954483,-0.008979797,0.013771057,0.020553589,-0.0058135986,0.012397766,0.029129028,-0.020507812,-0.0368042,-0.011199951,0.019805908,-0.027191162,0.024932861,-0.015640259,0.026809692,0.015281677,0.00042176247,0.0053253174,-0.006767273,-0.016036987,0.000852108,-0.04647827,-0.026321411,0.009750366,0.031555176,0.0005874634,-0.0075683594,0.049224854,-0.013420105,-0.012680054,0.028625488,0.04058838,0.006061554,0.029022217,-0.0019683838,-0.0029563904,-0.022964478,0.004825592,-0.019577026,0.00504303,-0.002374649,0.017608643,0.0093307495,0.0128479,0.012321472,-0.0035552979,-0.00982666,0.025024414,0.006362915,0.009750366,0.03753662,0.01625061,-0.015625,-0.0077934265,-0.029342651,0.015945435,0.024276733,0.017089844,0.0008416176,0.011642456,0.0068130493,-0.010803223,0.019958496,0.019302368,-0.010238647,-0.03692627,-0.018417358,-0.030212402,0.026229858,-0.0014381409,0.018722534,0.0011587143,0.018615723,-0.0055236816,-0.030883789,-0.02420044,0.028778076,0.0043563843,-0.009773254,-0.01751709,-0.006668091,0.007835388,-0.027053833,-0.0018539429,-0.039764404,-0.029266357,-0.02078247,-0.0115737915,0.012924194,-0.0034885406,-0.013137817,0.005634308,-0.0076408386,0.0044555664,0.0025978088,0.023834229,-0.020965576,-0.005088806,0.023025513,0.019378662,-0.026885986,0.009979248,-0.008666992,-0.0011205673,0.020004272,-0.012481689,0.031555176,-0.02357483,0.019683838,-0.0030937195,-0.012130737,0.029342651,0.0014600754,0.033477783,-0.016143799,-0.010429382,-0.01739502,0.008796692,0.036987305,-0.003522873,-0.023468018,0.016082764,-0.021118164,-0.023284912,0.0013132095,0.011695862,0.029953003,-0.016464233,0.042541504,-0.015014648,-0.01927185,0.022567749,0.0021095276,-0.025375366,-0.006969452,0.020721436,0.0069770813,-0.008880615,0.0028381348,-0.013633728,-0.04135132,-0.008216858,0.019958496,-0.006061554,-0.00042295456,0.01940918,0.005012512,0.054534912,-0.009277344,0.021636963,0.028182983,0.011291504,0.029708862,0.0090789795,0.038330078,0.0071487427,-0.035736084,0.0021457672,0.006931305,-0.03111267,0.006717682,-0.0050621033,-0.0060424805,-0.03137207,0.019958496,0.0070228577,0.032714844,0.009094238,-0.0042800903,-0.028411865,0.003917694,-0.034057617,-0.001244545,-0.03881836,0.030029297,0.04623413,0.016937256,-0.006164551,0.00091934204,-0.017684937,0.029815674,0.05911255,-0.010612488,-0.048950195,-0.014976501,0.025146484,0.007858276,0.0003349781,0.0009121895,-0.030670166,-0.009208679,-0.003479004,-0.013534546,0.0060577393,-0.0040016174,0.012428284,0.014526367,-0.005542755,-0.008590698,0.024627686,-0.008392334,-0.0074806213,0.0039749146,0.0020561218,0.044921875,0.03414917,-0.010421753,0.012840271,0.033325195,-0.03717041,0.045562744,-0.013153076,-0.0041007996,-0.008132935,0.011108398,-0.04196167,-0.015144348,-0.008094788,0.015792847],"createdAt":"2026-04-21T18:32:28.053Z","updatedAt":"2026-04-22T18:33:27.605Z","lastSeenAt":"2026-04-22T18:33:27.605Z","tsv":"'/api/v1/nfts/34':32,154 '/nfts/34':63 '/request':121 '0.02':10,24,108,120 '000':97 '0x8335':87 '20':96 '2913':88 '300':146 '6':103 'Base network API' 'NFT API' 'USDC micropayment API' 'accept':74 'access':68,135,165 'addit':196 'advertis':92 'ai/ml':53 'analyt':52 'api':49,67,126,164,184 'base':8,22,82,98 'base-network' 'challeng':91 'collect':40 'connect':191 'consist':111 'content':72 'contract':86 'crypto-gated API' 'data':5,19,51,151 'decim':104 'detail':173,198 'doc':185 'document':157,174 'emphas':124 'endpoint':6,20,30,159,213 'exact':142,150 'finance/web3':55 'flat':117 'found':176 'gate':3,17 'infer':54 'infrastructur':57 'instant':134 'json':71 'json-response' 'key':127 'label':65 'limit':130 'lowpaymentfee' 'lowpaymentfee.com':37 'made':138 'maxamountrequir':94 'minim':190 'minimum':132 'network':83 'nft':4,18,211 'nft-data' 'nft-relat':210 'offer':194 'openapi':168 'page':181,193 'part':34 'pay':9,23,46 'pay-per-call API' 'pay-per-request':45 'payment':79,136 'per':11,25,47,109 'platform':38,123 'post':75 'post-method' 'precis':203 'premium':66,163 'price':118,182 'protocol':44 'purpos':204 'rate':129 'readm':183 'relat':212 'remain':214 'request':12,26,48,76,110 'request/response':170 'resolv':187 'resourc':61 'respons':206 'return':70,152 'schema':171 'scheme':143 'second':147 'settl':78 'shape':207 'simpli':162 'sinc':100 'site':115,178 'site-wid':114 'span':50 'spec':169 'specif':60 'technic':197 'timeout':148 'titl':160 'translat':106 'unclear':215 'unit':99 'usdc':14,28,85,101 'usdc-settlement' 'use':84,102 'util':58 'via':139 'wallet':192 'wide':116 'x402':2,16,43,90,141 'x402 NFT endpoint' 'x402-gated':1,15 'x402-payment' 'x402-protocol':42","prices":[{"id":"5a4bc372-3293-4511-9749-dac34af5c303","listingId":"6bf9b0dd-94ab-4cf0-a156-b97b51fabfcd","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/nfts/34","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:28.053Z"}],"sources":[{"listingId":"6bf9b0dd-94ab-4cf0-a156-b97b51fabfcd","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/nfts/34","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:28.053Z","lastSeenAt":"2026-04-22T18:33:27.605Z"}],"details":{"listingId":"6bf9b0dd-94ab-4cf0-a156-b97b51fabfcd","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/nfts/34 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The x402 challenge advertises maxAmountRequired of 20000 base units in USDC on Base network with a 300-second timeout","source_url":"https://lowpaymentfee.com/api/v1/nfts/34"},{"claim":"Site-wide pricing is $0.02 per request with no API keys, no rate limits, no minimums","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/nfts/34"}],"useCases":["Fetching NFT-related data on a per-request payment basis without API keys","Integrating pay-per-call NFT data into agent workflows via x402 protocol","Accessing premium content gated behind USDC micropayments on Base"],"bestFor":["Agents or apps that need keyless, pay-per-use NFT data access","Developers experimenting with x402 payment protocol integrations","Low-volume consumers who prefer per-request pricing over subscriptions"],"notFor":["Users needing well-documented, schema-defined NFT APIs with guaranteed response formats","High-volume consumers who would benefit from bulk pricing or subscriptions","Anyone requiring fiat-only payment rails"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:12:58.43Z"},"updatedAt":"2026-04-22T18:33:27.605Z"}}