{"id":"fa89de8e-9b5b-4400-b719-9d7c558efd22","shortId":"tFdhDj","kind":"x402","title":"Pay-per-request premium API access via x402 on Base network using USDC.","tagline":"Pay-per-request premium API access via x402 on Base network using USDC.","description":"This endpoint at lowpaymentfee.com provides \"Premium API Access\" at the path /api/v1/customers/16, payable per-request via the x402 protocol on the Base network using USDC (USD Coin). The x402 challenge indicates a maximum payment of 20,000 units of the USDC token (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), which at 6 decimals equals $0.02 per request.\n\nThe broader lowpaymentfee.com platform advertises multiple API categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. All endpoints share the same $0.02/request pricing model with no API keys, no rate limits, and instant access. The specific /api/v1/customers/16 endpoint appears to be a customer data resource, though its exact response schema is not documented in the available crawl material.\n\nPayment is settled on the Base L2 network using the \"exact\" scheme, meaning the caller must include an X-PAYMENT header with a valid payment proof for the specified amount. The endpoint accepts POST requests and returns application/json responses. Documentation pages on the site are minimal, showing only a \"Connect wallet\" prompt without detailed API reference material.","tags":[],"capabilities":["x402-payment","usdc-base-network","per-request-billing","json-response","post-method","no-api-key","customer-data"],"categories":["data","payments"],"synonyms":["x402 API","pay-per-call API","USDC micropayment endpoint","Base network API","crypto-paid API","lowpaymentfee","premium data access"],"warnings":["No API documentation available — docs, pricing, and README pages only show 'Connect wallet'","Response schema for /api/v1/customers/16 is completely undocumented","The purpose of a 'customers/16' endpoint is ambiguous — could be demo/test data","No OpenAPI or machine-readable schema provided"],"endpointUrl":"https://lowpaymentfee.com/api/v1/customers/16","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/customers/16","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 confirmed) and pricing is clear, but there is no documentation of request/response schemas, no OpenAPI spec, and the docs/pricing/README pages are all blank beyond a wallet connect prompt. The specific purpose of /api/v1/customers/16 is unclear.","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":"2026-04-18T19:53:39.461Z","embedding":[0.0069847107,-0.037628174,0.043060303,0.030181885,0.013137817,-0.027145386,-0.03765869,0.038757324,0.054901123,-0.060150146,0.022216797,-0.040618896,-0.03503418,-0.04425049,-0.008331299,0.001543045,0.02532959,-0.0025959015,-0.048950195,0.018356323,0.04425049,0.0031147003,-0.009475708,0.017211914,-0.00070524216,-0.0018396378,-0.004386902,0.000497818,-0.005832672,-0.044006348,0.02885437,-0.025421143,-0.0043411255,0.020599365,-0.0138549805,-0.015335083,-0.011955261,0.04788208,0.02658081,-0.006389618,0.0010004044,-0.058013916,0.011871338,0.015525818,-0.045410156,0.0018463135,0.022399902,-0.020446777,-0.011520386,-0.0018672943,-0.026565552,0.0069770813,-0.01235199,-0.01007843,0.012901306,0.019180298,0.017044067,-0.011077881,0.011016846,0.019348145,-0.016159058,-0.06665039,-0.031143188,-0.022399902,0.012466431,0.050994873,-0.006538391,0.029922485,0.016525269,0.08050537,0.023361206,0.06335449,0.03338623,0.022094727,0.012229919,-0.024337769,0.027526855,0.04660034,-0.022705078,-0.015129089,-0.017364502,-0.012229919,-0.043548584,-0.0064353943,-0.010505676,-0.05984497,-0.012054443,0.02281189,-0.021270752,0.020355225,-0.052520752,-0.0021419525,-0.008178711,0.009590149,0.00058841705,0.012031555,-0.0035533905,0.007030487,0.0026359558,0.0025844574,0.011276245,-0.037139893,0.025405884,-0.012825012,0.04586792,0.040618896,0.016555786,0.028137207,0.0013389587,-0.011238098,-0.017730713,0.016281128,-0.012008667,-0.02217102,0.011314392,0.0013895035,-0.018493652,0.009124756,-0.0021133423,0.017425537,-0.051818848,0.052520752,0.02658081,-0.020141602,0.011756897,-0.038360596,-0.013137817,0.0016326904,-0.0149002075,-0.016433716,0.03387451,0.00459671,0.03010559,-0.024002075,-0.026885986,0.014923096,0.0058059692,-0.021240234,-0.051086426,-0.035186768,0.049591064,-0.020248413,0.025100708,0.032470703,-0.07989502,-0.008972168,-0.039154053,-0.0024738312,-0.048187256,0.002878189,-0.024673462,0.0104599,-0.01927185,-0.010810852,-0.030838013,-0.03302002,0.015602112,0.027709961,-0.016326904,0.0418396,-0.021408081,0.009033203,0.033447266,-0.001613617,0.031921387,0.02154541,-0.0050964355,-0.06500244,-0.08666992,-0.029693604,-0.014717102,-0.012123108,-0.032470703,-0.014022827,-0.004211426,-0.060577393,-0.01737976,-0.012779236,0.018997192,-0.051452637,-0.00365448,-0.038330078,0.019943237,-0.009628296,-0.05114746,-0.019760132,-0.024520874,0.06958008,0.021316528,0.013267517,0.019195557,-0.007911682,0.04510498,0.004508972,-0.018997192,-0.036132812,0.021026611,-0.0209198,0.016479492,-0.0033874512,0.012489319,-0.036621094,0.01838684,0.072143555,0.0056915283,-0.0073776245,-0.004688263,-0.048187256,-0.04901123,-0.03427124,0.011787415,0.021362305,-0.021621704,0.036132812,-0.03970337,-0.04046631,-0.007987976,0.00078487396,0.012039185,0.04977417,0.012565613,-0.013168335,0.016082764,0.036712646,-0.052459717,0.03579712,0.046539307,0.0048103333,-0.034576416,-0.034210205,0.024520874,0.03164673,-0.0129776,-0.00349617,-0.021362305,0.032104492,-0.00017595291,-0.0037593842,0.009941101,-0.026733398,-0.034240723,-0.037841797,-0.009048462,0.02923584,-0.004180908,-0.031341553,-0.0413208,-0.06137085,0.047729492,0.02381897,0.047729492,-0.010108948,0.004508972,-0.042144775,0.0015497208,-0.06262207,0.06994629,0.064819336,-0.0014915466,-0.013435364,0.014694214,0.00006121397,-0.023025513,-0.0019464493,-0.014198303,-0.02658081,-0.021438599,0.0009031296,-0.04196167,0.03488159,0.0096588135,0.010215759,0.06210327,-0.014862061,-0.033081055,-0.023345947,-0.0064888,0.006793976,-0.013191223,-0.0045204163,-0.018005371,0.0065193176,0.036743164,-0.006855011,0.017288208,0.006122589,0.0014772415,-0.020935059,-0.0209198,-0.020187378,-0.0362854,0.006843567,-0.017562866,-0.06323242,0.000051259995,-0.007621765,0.06384277,-0.041809082,0.029266357,-0.005290985,-0.0043411255,0.052825928,-0.026535034,-0.042053223,0.009048462,0.019439697,0.023406982,0.03994751,0.033813477,-0.026565552,-0.0046691895,0.05218506,-0.017089844,0.006538391,0.002407074,0.014289856,0.038513184,-0.016967773,-0.056793213,-0.044647217,-0.02330017,-0.023117065,0.01184845,-0.027633667,0.040008545,-0.010902405,0.021453857,-0.03213501,-0.023010254,-0.04208374,0.020690918,0.0023097992,0.026870728,-0.028808594,-0.028701782,0.018875122,0.03390503,-0.021591187,-0.003364563,0.041809082,0.032562256,-0.018981934,-0.034576416,-0.05203247,-0.0057144165,0.0056037903,0.025054932,0.013473511,0.015991211,0.05239868,-0.045776367,0.014297485,0.03012085,-0.008605957,0.04119873,-0.015304565,0.013175964,-0.08117676,-0.053894043,-0.026687622,-0.047332764,0.046417236,0.011116028,-0.00076532364,0.04788208,0.008293152,-0.022842407,-0.03265381,0.030380249,-0.05633545,0.0093307495,0.040405273,-0.01663208,0.0059280396,-0.0009832382,0.02015686,0.024261475,0.02961731,0.023452759,0.028671265,0.079589844,0.039520264,0.027877808,0.021194458,0.027572632,0.04046631,0.005142212,-0.009231567,-0.02079773,-0.03274536,0.033966064,-0.041381836,0.00090026855,-0.07067871,0.053222656,0.036376953,0.09875488,0.019622803,0.007167816,0.045532227,-0.013938904,0.001914978,-0.024841309,-0.01991272,-0.034973145,-0.0385437,0.01902771,-0.029083252,0.0149383545,-0.01725769,0.0152282715,-0.012840271,0.0069770813,-0.028961182,0.027801514,0.0036392212,-0.006690979,0.024002075,-0.004749298,0.048034668,0.027328491,-0.04675293,0.026000977,-0.0030727386,-0.03225708,0.004650116,0.026641846,0.0015192032,-0.033325195,-0.049591064,-0.025878906,-0.0284729,-0.0062713623,-0.05593872,-0.021697998,0.0041160583,0.017745972,0.00806427,-0.025482178,-0.032562256,-0.00248909,-0.016784668,-0.048797607,-0.001824379,-0.024932861,-0.0022506714,0.046417236,-0.007259369,-0.012580872,0.01737976,0.0059890747,0.012039185,0.010574341,0.010688782,-0.0014886856,-0.037475586,0.018829346,0.008087158,0.015449524,0.01398468,0.03555298,0.03668213,0.0284729,0.052703857,0.026687622,-0.018127441,-0.04333496,0.023498535,-0.048309326,0.00869751,0.01309967,-0.0021877289,-0.012748718,-0.010406494,-0.014137268,-0.045959473,0.010231018,-0.035888672,0.017196655,0.049682617,-0.030670166,-0.027801514,-0.08178711,-0.01309967,-0.0011873245,0.073791504,0.037200928,-0.00007170439,-0.065979004,-0.01335907,0.02809143,0.0009279251,0.03643799,-0.013938904,-0.033447266,-0.035736084,-0.029464722,-0.016662598,-0.014717102,0.026870728,0.0040283203,-0.015731812,0.028274536,-0.002363205,0.0053863525,0.007659912,-0.00030326843,0.022109985,-0.025558472,0.008308411,-0.010559082,0.05633545,0.012527466,-0.004245758,-0.04473877,0.049438477,0.009727478,0.020507812,-0.033416748,0.00087451935,-0.0038261414,0.004753113,0.01914978,-0.018493652,-0.0048446655,-0.00945282,-0.05731201,-0.085632324,0.039245605,-0.008544922,0.028198242,0.007736206,0.0022029877,0.031982422,0.010520935,-0.017486572,0.03225708,-0.025009155,-0.009284973,-0.014442444,-0.019012451,-0.018859863,-0.0026836395,-0.0074920654,0.012702942,-0.009994507,0.024429321,0.012123108,-0.036254883,0.023239136,0.014579773,0.0035171509,0.016998291,0.014060974,0.019363403,0.049194336,0.0028095245,-0.04446411,0.017990112,0.00466156,-0.0012359619,0.002614975,0.043395996,0.02796936,-0.012718201,-0.0014104843,-0.007926941,-0.018218994,-0.020935059,0.011291504,0.0020313263,0.032928467,0.002576828,-0.05368042,0.026412964,0.016525269,-0.03302002,-0.009162903,0.026641846,0.020004272,-0.038909912,0.015609741,0.038848877,0.044952393,-0.029891968,-0.0021686554,-0.00010287762,0.020492554,0.030761719,0.019104004,-0.02734375,0.021835327,-0.0057792664,0.014671326,0.010772705,-0.009094238,0.023452759,-0.0018205643,0.02468872,0.028045654,-0.0007405281,-0.026992798,-0.019378662,0.016494751,-0.006549835,-0.020462036,0.037628174,0.028289795,0.044708252,-0.015686035,0.020217896,0.00680542,-0.028289795,-0.013305664,-0.006702423,0.052246094,-0.018188477,-0.016357422,0.0068511963,0.024246216,0.030563354,-0.053833008,0.019454956,0.0066986084,0.019577026,-0.041809082,-0.032562256,-0.02722168,-0.0043296814,0.041259766,0.006958008,0.026489258,0.030075073,0.007911682,0.012374878,0.023757935,0.020385742,0.013244629,-0.033599854,-0.05795288,-0.012207031,0.022491455,-0.003917694,-0.042297363,0.00995636,-0.02029419,-0.02267456,0.0063819885,-0.012916565,0.004386902,-0.011444092,0.0016050339,0.047729492,0.0060272217,0.008834839,-0.015586853,-0.017074585,0.0019779205,0.017669678,0.027374268,-0.049194336,0.01586914,-0.004585266,-0.005470276,0.0010852814,0.016189575,0.022338867,0.027801514,0.012237549,0.040771484,-0.04473877,0.0446167,-0.028366089,0.004650116,-0.013549805,-0.043914795,-0.022232056,-0.032287598,0.0018386841,0.038024902,-0.025482178,-0.0124053955,-0.012283325,-0.034454346,-0.015899658,-0.042419434,0.012550354,0.02760315,0.035736084,-0.025634766,0.01109314,-0.01234436,0.00039744377,-0.03451538,0.0023765564,-0.026870728,0.027114868,0.012680054,-0.005783081,-0.020568848,-0.03253174,-0.035186768,-0.0053482056,-0.044158936,-0.041931152,-0.00063705444,-0.0063552856,-0.0072250366,-0.0009741783,-0.021728516,-0.019592285,0.003189087,-0.03994751,0.019989014,-0.009773254,0.028961182,-0.0027122498,-0.013572693,0.0069465637,0.021255493,-0.021072388,0.036956787,0.012207031,-0.005607605,-0.033050537,0.0062561035,0.02722168,0.021087646,0.010597229,-0.008049011,0.0008444786,-0.005680084,-0.04901123,-0.015380859,-0.01108551,-0.020080566,-0.010116577,-0.0010261536,-0.046661377,-0.0052375793,-0.028930664,-0.0068626404,0.010627747,0.024536133,0.020111084,-0.005924225,0.006126404,-0.011070251,-0.016799927,-0.039611816,0.02545166,0.009803772,0.0071754456,0.017089844,0.049194336,-0.004837036,-0.013420105,0.0056991577,-0.007980347,0.018417358,-0.013252258,0.016204834,-0.003660202,0.022216797,-0.007904053,-0.010955811,-0.039642334,0.008415222,0.078430176,-0.009887695,-0.02331543,-0.022399902,-0.013046265,0.019073486,0.026382446,-0.04348755,-0.012741089,-0.013664246,0.0021915436,-0.005619049,0.03491211,-0.0011386871,0.03643799,-0.027252197,-0.051940918,-0.024612427,0.00012373924,-0.016708374,-0.054351807,-0.024475098,-0.06317139,0.0076789856,-0.016921997,-0.020996094,0.0024604797,0.0074882507,0.0011968613,-0.072509766,0.0070495605,0.046661377,0.012039185,0.019302368,-0.0047340393,0.0345459,0.01612854,-0.024047852,-0.029571533,0.017089844,-0.027420044,-0.02458191,-0.03567505,0.014984131,-0.008026123,-0.018005371,0.010429382,0.0037956238,0.010185242,-0.0093688965,-0.0040397644,-0.021102905,0.008682251,-0.0033493042,0.025970459,-0.0022792816,-0.008872986,0.04727173,-0.0569458,0.024856567,0.0033359528,-0.029083252,0.005962372,0.04046631,0.044281006,-0.037353516,-0.018463135,0.025024414,0.015266418,0.017059326,-0.017288208,0.03366089,-0.0013895035,-0.007873535,0.015129089,-0.032470703,-0.02935791,-0.027404785,-0.023712158,0.012123108,-0.017059326,0.023345947,-0.017211914,0.012435913,0.02458191,-0.004749298,0.016815186,-0.014328003,-0.03677368,-0.017486572,0.015991211,-0.0076408386,0.0035171509,-0.0075912476,0.015182495,0.014602661,0.03970337,0.008720398,0.004508972,0.028961182,0.025405884,-0.020843506,0.017807007,0.015640259,-0.010917664,0.008232117,0.016357422,0.005619049,-0.0446167,-0.02911377,-0.018447876,-0.0039367676,-0.0044898987,0.00074386597,-0.020767212,0.0056991577,0.0018701553,-0.008331299,-0.030334473,0.006401062,-0.03817749,-0.02999878,-0.01121521,-0.0077934265,0.018325806,0.008155823,0.0031852722,0.006702423,-0.021575928,0.05593872,0.013046265,-0.008613586,0.028549194,0.03930664,0.008277893,-0.019851685,-0.008758545,-0.00073099136,-0.0016899109,0.0019054413,-0.026611328,0.023208618,0.04574585,-0.0118255615,-0.0050315857,0.006793976,0.03652954,0.005542755,0.022079468,-0.002866745,0.010955811,-0.008026123,0.04840088,-0.046569824,0.013572693,0.026763916,0.009063721,-0.008415222,0.0027503967,-0.038116455,0.038879395,0.012710571,-0.004673004,0.047576904,-0.00021803379,0.01828003,-0.025985718,-0.027786255,0.008766174,-0.025604248,-0.016662598,0.025680542,0.0030975342,0.008102417,0.020431519,-0.0115356445,0.035461426,-0.030456543,0.031799316,-0.011413574,0.0051994324,-0.0256958,-0.0206604,-0.014274597,-0.015716553,-0.0049552917,-0.007987976,0.015220642,0.040405273,0.019760132,0.012664795,0.032287598,0.0022773743,0.012466431,-0.035827637,-0.015182495,0.006313324,-0.019256592,0.015975952,-0.018310547,0.047424316,0.03753662,-0.0077552795,0.039733887,0.028625488,0.04135132,0.012535095,0.012229919,-0.017440796,0.012557983,-0.010383606,0.031066895,-0.00076532364,0.04525757,-0.029281616,0.01033783,0.010864258,0.030212402,-0.02722168,0.036712646,0.06097412,0.028320312,-0.003047943,0.047607422,-0.0016126633,0.00014591217,-0.0011720657,-0.016494751,0.053375244,0.028778076,0.045318604,0.0362854,0.01574707,-0.011962891,0.029083252,-0.029510498,-0.043304443,0.038330078,0.04147339,-0.022094727,-0.01134491,-0.017593384,-0.004207611,-0.068359375,-0.024780273,0.026031494,-0.00008952618,0.005592346,-0.009765625,-0.003917694,-0.014312744,0.015396118,0.02507019,0.0011968613,-0.033050537,0.040771484,0.025466919,0.006286621,0.025558472,-0.003326416,0.050933838,-0.017288208,-0.006324768,0.0057296753,0.013938904,-0.019332886,-0.0149002075,0.008476257,-0.0029830933,0.041625977,0.043548584,-0.010322571,0.006549835,0.03390503,0.013763428,-0.00415802,0.02885437,0.035491943,0.016799927,0.030410767,0.01751709,0.035125732,-0.02104187,0.0052948,-0.013214111,-0.0001705885,-0.008926392,-0.0107421875,0.0110321045,-0.009933472,0.019851685,0.013343811,-0.007545471,0.021514893,0.025894165,-0.0010566711,-0.0046691895,-0.008354187,0.011428833,-0.026123047,-0.0023708344,0.023345947,-0.018112183,0.049591064,0.022659302,0.032470703,-0.020706177,0.022384644,-0.006504059,-0.01852417,-0.0077819824,0.020904541,-0.029922485,-0.0010213852,-0.00007390976,0.0024757385,-0.049194336,-0.0009126663,0.031951904,-0.030151367,0.018981934,0.008415222,0.009635925,0.00034046173,0.027023315,0.01965332,-0.015853882,-0.014831543,-0.026275635,0.035491943,0.03652954,0.00592041,0.025665283,-0.0079422,-0.017990112,-0.004989624,0.011734009,0.009407043,-0.0137786865,0.0030708313,-0.033966064,0.015434265,0.033203125,0.008377075,0.03652954,-0.004825592,0.009346008,0.0104599,0.02558899,0.017166138,-0.011451721,0.0024051666,0.018295288,-0.010353088,0.031433105,0.053985596,-0.005027771,0.021072388,0.0006079674,-0.0055503845,0.0032978058,-0.024902344,0.0070114136,-0.017074585,0.0033397675,-0.018508911,0.03237915,-0.013710022,-0.039093018,0.00035858154,-0.013687134,-0.0063476562,-0.020370483,0.014678955,0.018585205,0.026809692,0.042816162,0.015571594,-0.03692627,0.059173584,-0.010871887,0.03555298,-0.008773804,0.0030879974,0.04748535,0.021560669,0.04916382,0.021759033,0.019348145,-0.024749756,0.015914917,0.03366089,0.036224365,0.027374268,-0.0037727356,-0.014450073,0.043121338,0.0009727478,0.036224365,-0.008636475,0.0045433044,0.022888184,0.0019464493,0.00004941225,0.00094127655,-0.0033493042,0.017196655,0.039855957,-0.01991272,-0.013671875,-0.016723633,-0.011375427,0.027267456,-0.00680542,-0.0021877289,0.005722046,-0.02104187,0.021148682,-0.006690979,-0.03314209,0.0010261536,0.017211914,-0.02973938,-0.035339355,0.011116028,0.023162842,-0.028625488,0.028930664,0.029388428,-0.0035057068,0.01876831,0.05291748,-0.0037651062,0.042755127,-0.00038218498,0.019241333,0.0385437,-0.013252258,-0.008453369,0.01096344,0.014312744,-0.023864746,0.018508911,0.034973145,-0.009414673,-0.0022563934,0.00008499622,-0.011314392,0.00046515465,0.019561768,-0.009033203,0.007106781,-0.006252289,-0.0014429092,0.009613037,0.0071372986,-0.0045928955,-0.009666443,0.01159668,-0.007911682,0.009567261,0.027069092,0.029647827,-0.036987305,-0.0022087097,0.010231018,0.01713562,-0.012992859,-0.006793976,-0.0013465881,-0.023483276,0.010147095,0.01499939,0.0059165955,0.0040740967,-0.030685425,-0.003534317,0.030441284,0.017608643,0.0023918152,0.0075302124,-0.0063705444,0.010032654,-0.019622803,-0.009994507,-0.008628845,-0.0060806274,-0.0010614395,0.0045776367,-0.01574707,-0.025390625,0.020309448,-0.006538391,0.023925781,-0.0069007874,-0.02859497,0.016540527,-0.00065279007,-0.00025868416,-0.00605011,0.00920105,-0.013549805,-0.015838623,-0.009880066,0.02456665,0.05291748,-0.011833191,-0.0046081543,0.02017212,0.025543213,0.012008667,0.029266357,0.019256592,0.031219482,0.023086548,-0.024230957,-0.02885437,0.027069092,-0.021316528,-0.0259552,-0.0029754639,-0.022567749,-0.0049552917,0.00466156,0.007987976,-0.011199951,-0.017166138,-0.0026054382,-0.01197052,-0.007205963,0.026382446,-0.011505127,0.007434845,-0.026916504,-0.01928711,0.020446777,-0.029922485,-0.036468506,-0.016403198,-0.00365448,-0.01625061,-0.059020996,0.011505127,-0.018310547,-0.0043296814,-0.036987305,0.0006875992,-0.019515991,0.021499634,-0.02407837,0.00010585785,0.008415222,0.02293396,0.01486969,0.024124146,0.011993408,-0.013900757,-0.024383545,-0.030517578,-0.008712769,-0.010192871,0.02507019,0.015914917,0.042297363,0.015205383,-0.01197052,0.0018844604,-0.014945984,-0.004650116,-0.015563965,-0.01878357,-0.014289856,0.025650024,0.021209717,0.0024929047,-0.0022602081,0.04135132,-0.021636963,-0.029129028,0.031799316,0.040985107,0.009887695,0.026535034,-0.015640259,-0.021316528,-0.000729084,-0.0046310425,-0.0001796484,0.005809784,0.004928589,-0.0030708313,-0.0073165894,0.009162903,0.010848999,-0.012580872,-0.0026283264,0.025344849,-0.0028648376,-0.024612427,0.040222168,0.0004479885,-0.0008993149,-0.0020256042,-0.0057525635,0.01878357,0.047698975,0.013671875,0.019561768,0.0061302185,0.0007853508,-0.019607544,0.017974854,0.021774292,-0.028701782,-0.029205322,-0.008552551,-0.01638794,0.020050049,-0.00057172775,0.018753052,-0.0038490295,0.010429382,-0.019195557,-0.028671265,-0.021347046,0.03112793,0.02154541,-0.005695343,-0.0026569366,-0.0067863464,0.010437012,-0.038909912,0.00349617,-0.023330688,-0.021530151,0.0051574707,-0.012504578,0.022354126,0.023086548,0.0037651062,-0.002653122,-0.005970001,-0.0018930435,-0.007904053,0.03201294,-0.024047852,-0.0056991577,0.0234375,0.008163452,-0.018829346,0.024017334,0.0059394836,-0.0029525757,0.006793976,-0.01399231,0.023147583,-0.016143799,0.038269043,0.00030183792,-0.02885437,0.039001465,-0.007183075,0.016952515,-0.029953003,0.011894226,0.001572609,0.01914978,0.030410767,-0.023971558,-0.02809143,0.016815186,-0.023544312,-0.026687622,0.0059280396,0.022338867,0.029724121,-0.021026611,0.03878784,-0.017944336,-0.015602112,0.015899658,0.01675415,-0.030899048,-0.0151901245,0.034576416,0.004562378,-0.003440857,0.009346008,-0.016433716,-0.020553589,-0.018081665,0.01285553,-0.007129669,-0.0041542053,0.022384644,0.016418457,0.039367676,0.009094238,0.02949524,0.012718201,0.0023059845,0.015823364,0.025726318,0.036468506,0.008995056,-0.0072135925,0.008911133,0.0052986145,-0.021728516,0.0056762695,-0.00096940994,-0.008102417,-0.047607422,0.016586304,-0.000579834,0.018249512,-0.020751953,-0.001660347,-0.01675415,0.0043182373,-0.01838684,-0.0034446716,-0.02456665,0.026870728,0.056854248,0.0049552917,0.012435913,0.0023784637,-0.016067505,0.013175964,0.05291748,-0.015930176,-0.022445679,-0.018447876,-0.003156662,0.0056152344,-0.0012464523,0.008239746,-0.0236969,-0.013214111,-0.00541687,-0.0025501251,0.0026245117,0.0015001297,0.017608643,0.012420654,-0.012123108,-0.008857727,0.03503418,-0.011398315,0.007820129,0.0070152283,0.0013999939,0.027648926,0.029663086,-0.005012512,0.016174316,0.023635864,-0.0309906,0.056854248,0.004840851,0.025405884,-0.011421204,0.001660347,-0.048797607,-0.019363403,-0.009613037,-0.010345459],"createdAt":"2026-04-18T18:32:17.180Z","updatedAt":"2026-04-25T04:02:23.707Z","lastSeenAt":"2026-04-25T04:02:23.707Z","tsv":"'/api/v1/customers/16':40,121 '/request':106 '0.02':78,105 '000':66 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':72 '20':65 '6':75 'Base network API' 'USDC micropayment endpoint' 'accept':176 'access':7,21,36,118 'advertis':85 'ai':92 'amount':173 'analyt':91 'api':6,20,35,87,111,198 'appear':123 'application/json':181 'avail':140 'base':11,25,51,148 'broader':82 'caller':157 'categori':88 'challeng':59 'coin':56 'connect':193 'crawl':141 'crypto-paid API' 'custom':127 'customer-data' 'data':90,128 'decim':76 'detail':197 'document':137,183 'endpoint':30,101,122,175 'equal':77 'exact':132,153 'financ':95 'header':164 'includ':89,159 'indic':60 'infrastructur':98 'instant':117 'json-response' 'key':112 'l2':149 'learn':94 'limit':115 'lowpaymentfee' 'lowpaymentfee.com':32,83 'machin':93 'materi':142,200 'maximum':62 'mean':155 'minim':189 'model':108 'multipl':86 'must':158 'network':12,26,52,150 'no-api-key' 'page':184 'path':39 'pay':2,16 'pay-per-call API' 'pay-per-request':1,15 'payabl':41 'payment':63,143,163,168 'per':3,17,43,79 'per-request':42 'per-request-billing' 'platform':84 'post':177 'post-method' 'premium':5,19,34 'premium data access' 'price':107 'prompt':195 'proof':169 'protocol':48 'provid':33 'rate':114 'refer':199 'request':4,18,44,80,178 'resourc':129 'respons':133,182 'return':180 'schema':134 'scheme':154 'settl':145 'share':102 'show':190 'site':187 'specif':120 'specifi':172 'though':130 'token':71 'unit':67 'usd':55 'usdc':14,28,54,70 'usdc-base-network' 'use':13,27,53,151 'util':99 'valid':167 'via':8,22,45 'wallet':194 'web3':96 'without':196 'x':162 'x-payment':161 'x402':9,23,47,58 'x402 API' 'x402-payment'","prices":[{"id":"eebf42bc-bcd8-42e1-a288-3d8bc3543667","listingId":"fa89de8e-9b5b-4400-b719-9d7c558efd22","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/customers/16","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:32:17.180Z"}],"sources":[{"listingId":"fa89de8e-9b5b-4400-b719-9d7c558efd22","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/customers/16","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:32:17.180Z","lastSeenAt":"2026-04-25T04:02:23.707Z"}],"details":{"listingId":"fa89de8e-9b5b-4400-b719-9d7c558efd22","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/customers/16 \\\n  -H \"X-PAYMENT: <x402-payment-proof>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"x402 challenge returns 402 with maxAmountRequired of 20000 USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/customers/16"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/customers/16"},{"claim":"Payment recipient address is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","source_url":"https://lowpaymentfee.com/api/v1/customers/16"}],"useCases":["Accessing customer data records without traditional API key registration","Programmatic pay-per-use data retrieval settled on Base L2","Agent-driven data queries with instant USDC micropayments"],"bestFor":["Developers wanting keyless API access with crypto micropayments","AI agents that can settle x402 payments autonomously","Users who prefer pay-as-you-go without subscriptions or rate limits"],"notFor":["Users without USDC on Base network","High-volume batch jobs where $0.02/request adds up significantly","Anyone needing detailed documentation or guaranteed SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:00.113Z"},"updatedAt":"2026-04-25T04:02:23.707Z"}}