{"id":"c899aaa1-c7c8-4862-b417-b1f3b9c80065","shortId":"DsWhu8","kind":"x402","title":"x402-gated premium API access on Base, pay $0.02 per request in USDC — no keys, no rate limits.","tagline":"x402-gated premium API access on Base, pay $0.02 per request in USDC — no keys, no rate limits.","description":"lowpaymentfee.com is a pay-per-call API platform that gates its endpoints behind the x402 payment protocol on the Base network. The specific endpoint `/api/v1/claims/65` is labeled \"Premium API Access\" and accepts POST requests. Payment is settled in USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base, with a maximum amount required of 20,000 base units — which, at 6 decimals for USDC, equals $0.02 per request.\n\nThe broader platform advertises a wide catalog of endpoints spanning data & analytics (metrics, reports, data export, insights), AI & machine learning (sentiment analysis, text summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at the same $0.02/request price point. The platform emphasizes no API keys, no rate limits, and instant access.\n\nHowever, the specific `/api/v1/claims/65` endpoint's purpose is unclear — the description is simply \"Premium API Access\" with no further documentation about what data or functionality it returns. The docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no detailed documentation available from the crawl. Agents should treat this endpoint with caution until more information about its actual output is available.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key","json-response","post-method"],"categories":["api-gateway","pay-per-call"],"synonyms":["x402 API","micropayment API","USDC pay-per-call","Base network API","lowpaymentfee","premium API access","crypto-gated endpoint"],"warnings":["No documentation available — docs, pricing, and API pages all show only 'Connect wallet'","The specific purpose and response format of /api/v1/claims/65 is unknown","No OpenAPI schema or request/response examples provided","The broader platform lists many endpoints but none have detailed docs in the crawl"],"endpointUrl":"https://lowpaymentfee.com/api/v1/claims/65","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/65","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 captured) and pricing is clear ($0.02 USDC on Base), but there is zero documentation about what this specific endpoint actually returns. No OpenAPI schema, no request/response examples, and all doc pages render only 'Connect wallet'. The purpose of /api/v1/claims/65 is entirely opaque.","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":"2026-04-19T04:19:52.112Z","embedding":[-0.015327454,-0.012298584,0.043701172,0.038330078,0.012191772,-0.0368042,-0.030899048,0.04232788,0.07183838,-0.085510254,0.029968262,-0.061950684,-0.034698486,-0.03100586,-0.04019165,0.0052452087,-0.02519226,0.003780365,-0.054595947,0.030975342,0.024429321,0.007621765,-0.026855469,0.028747559,-0.0024089813,-0.02319336,0.005756378,-0.028823853,-0.0071792603,-0.026428223,0.024627686,-0.022827148,0.0035419464,0.020721436,-0.011512756,-0.013328552,-0.0014314651,0.043151855,0.028717041,-0.011062622,0.00058460236,-0.050201416,-0.011222839,-0.0015096664,-0.043762207,-0.0009083748,0.019882202,-0.023223877,-0.028793335,-0.0007739067,-0.044128418,-0.016525269,-0.023727417,0.009292603,0.022064209,0.012802124,-0.01259613,-0.01209259,0.0052452087,0.0037574768,-0.0099105835,-0.064331055,-0.019165039,0.009498596,0.01184845,0.05532837,-0.0074501038,0.054626465,0.014411926,0.064453125,0.044036865,0.04324341,0.027908325,0.017089844,-0.021514893,-0.0037326813,0.01373291,0.07055664,-0.019241333,-0.011352539,-0.01637268,-0.015350342,-0.049102783,-0.00031876564,-0.00605011,-0.050598145,-0.013763428,0.0017929077,-0.023330688,0.029693604,-0.0635376,-0.004207611,-0.009552002,0.012718201,0.0073890686,-0.0012025833,-0.0056266785,0.031143188,-0.0152282715,0.011802673,0.014633179,-0.04977417,0.019180298,0.031082153,0.05987549,0.03439331,0.0034637451,0.0335083,0.018600464,-0.017074585,-0.017410278,0.000110566616,-0.024124146,-0.010299683,0.010505676,0.008720398,-0.030944824,0.024780273,-0.013748169,0.017837524,-0.06311035,0.05154419,0.02394104,-0.028121948,0.01763916,-0.03427124,-0.0078125,0.00081682205,-0.03439331,-0.012504578,0.004196167,0.008682251,0.0541687,-0.031341553,-0.043395996,-0.0017623901,-0.012878418,-0.030975342,-0.05303955,-0.02027893,0.027160645,-0.03286743,0.026168823,0.031433105,-0.11566162,-0.015571594,-0.056518555,0.017532349,-0.040771484,0.0019245148,-0.0090408325,0.03869629,-0.014457703,-0.011138916,-0.022247314,-0.009727478,-0.010360718,0.030273438,-0.011444092,0.053527832,-0.009796143,0.034973145,0.030548096,0.009681702,0.031585693,0.042022705,0.0021896362,-0.078186035,-0.07897949,-0.025344849,-0.006275177,-0.01586914,-0.044830322,0.008232117,-0.013496399,-0.08648682,-0.02947998,-0.010643005,0.00579834,-0.036468506,-0.008720398,-0.018432617,0.0048561096,-0.030059814,-0.07220459,-0.030792236,-0.013313293,0.07739258,0.0054130554,0.0079956055,0.016616821,-0.024673462,0.066467285,0.009796143,-0.021087646,-0.0418396,0.015174866,-0.0107421875,0.01828003,0.016662598,0.0033779144,-0.05154419,0.035308838,0.041137695,0.0010356903,-0.014549255,0.00047039986,-0.048461914,-0.029586792,-0.02456665,0.0044898987,0.0020484924,-0.0072135925,0.028305054,-0.018463135,-0.034729004,-0.0041122437,0.007724762,0.03717041,0.06829834,0.0071258545,0.0040779114,-0.0023021698,0.013977051,-0.04449463,0.03552246,0.043121338,0.02545166,-0.034240723,-0.0071525574,0.01776123,0.044830322,-0.03845215,-0.0044517517,-0.023254395,0.024261475,-0.0015621185,0.0073776245,0.0435791,-0.0181427,-0.023468018,-0.036254883,-0.016189575,0.023101807,0.0019073486,-0.029922485,-0.045013428,-0.07208252,0.024398804,0.06237793,0.012313843,0.005580902,0.011192322,-0.029205322,-0.010261536,-0.06567383,0.059936523,0.070495605,-0.015586853,-0.013557434,0.037994385,-0.02961731,-0.016586304,-0.017440796,-0.008232117,-0.02319336,-0.018859863,-0.003528595,-0.03338623,0.008605957,0.011314392,0.03262329,0.043884277,-0.017700195,-0.0463562,-0.032073975,0.008468628,-0.0112838745,-0.012420654,0.001531601,-0.010063171,0.0004632473,0.03543091,-0.011558533,0.04446411,-0.0024871826,0.020019531,-0.019454956,-0.025421143,-0.016418457,-0.023101807,0.01461792,-0.0023517609,-0.06933594,0.011787415,0.009857178,0.06677246,-0.031555176,0.02494812,-0.01335144,0.01638794,0.07385254,-0.024673462,-0.037902832,-0.0068855286,0.023849487,0.040527344,0.027908325,0.014427185,-0.008415222,-0.016357422,0.044647217,-0.0055122375,-0.008415222,0.007293701,0.012313843,0.03253174,0.0027751923,-0.05923462,-0.023376465,-0.013305664,-0.038635254,0.023956299,-0.030685425,0.017730713,-0.010925293,-0.0028438568,-0.031433105,0.0062561035,-0.03149414,0.014442444,-0.026428223,-0.010177612,-0.013015747,-0.013214111,0.009918213,0.021591187,-0.019470215,-0.0079193115,0.028060913,0.017562866,-0.006000519,-0.030975342,-0.015823364,-0.023376465,0.016021729,0.022750854,0.035186768,0.02130127,0.036315918,-0.033416748,0.022369385,0.019012451,0.02798462,0.0284729,-0.0065689087,0.016647339,-0.05908203,-0.054656982,-0.020065308,-0.04534912,0.025924683,0.012168884,0.012962341,0.04638672,0.008201599,-0.016967773,-0.029678345,0.030654907,-0.026779175,0.0063056946,0.030593872,-0.014656067,-0.037841797,-0.003917694,0.00422287,0.0051078796,0.03253174,0.008018494,-0.004989624,0.06488037,0.035339355,-0.00019979477,0.016204834,0.0029525757,0.016693115,-0.0065994263,-0.02420044,-0.038482666,-0.008880615,0.010253906,-0.0013084412,-0.024139404,-0.066589355,0.04244995,0.025268555,0.056884766,0.010253906,0.014030457,0.039855957,-0.008224487,-0.0029468536,-0.038269043,-0.019714355,-0.027801514,-0.04812622,0.029937744,-0.013885498,0.000088751316,-0.04421997,0.03805542,0.0044517517,0.015823364,-0.035949707,0.058685303,-0.003490448,-0.013198853,0.02130127,0.00044322014,0.051696777,0.06677246,-0.029174805,0.0143585205,0.025436401,-0.03253174,-0.01197052,0.047912598,-0.00484848,-0.016998291,-0.06939697,-0.029785156,0.0052604675,-0.020584106,-0.05532837,0.0030231476,0.013153076,0.021987915,0.008216858,-0.018508911,-0.025665283,-0.014305115,-0.027008057,-0.064941406,-0.0113220215,-0.03793335,0.014373779,0.04650879,-0.03125,0.004043579,0.0055885315,0.0016231537,-0.00409317,0.009292603,0.0020713806,-0.0053520203,-0.04776001,0.02293396,0.010009766,-0.0069770813,0.028717041,0.028930664,0.024765015,0.01902771,0.04864502,0.0046920776,-0.022262573,-0.05456543,0.013977051,-0.047424316,0.003818512,-0.007247925,-0.02267456,-0.0007853508,-0.010116577,-0.008987427,-0.009567261,0.0043296814,-0.043304443,0.009010315,0.012001038,-0.029129028,-0.014007568,-0.05432129,-0.028335571,0.016815186,0.066223145,0.028823853,-0.0121154785,-0.06185913,-0.015350342,0.02217102,-0.002670288,0.013160706,-0.016220093,-0.015419006,-0.02268982,-0.033294678,-0.02708435,-0.03289795,0.03086853,0.0023593903,-0.022720337,0.025482178,-0.012313843,0.012466431,0.0033931732,-0.0033988953,0.031677246,-0.024307251,-0.008666992,-0.023330688,0.016143799,-0.00605011,-0.0102005005,-0.041534424,0.051452637,0.013755798,0.034606934,-0.034118652,0.011077881,0.004383087,0.025024414,0.021957397,-0.026519775,-0.02861023,0.008163452,-0.04458618,-0.056793213,0.042938232,-0.022277832,0.020889282,-0.0016241074,0.0062561035,0.029418945,-0.000992775,0.0027599335,0.039916992,-0.033081055,-0.00097322464,-0.015281677,-0.043060303,-0.023208618,0.014274597,-0.010299683,0.022735596,-0.025863647,0.010734558,-0.0031166077,-0.022613525,0.03591919,0.0149002075,-0.0037879944,0.032104492,0.016555786,0.017623901,0.039794922,0.013893127,-0.014076233,0.02507019,-0.0015068054,0.008384705,0.0022449493,0.04522705,0.015655518,-0.030059814,0.0031280518,-0.0057792664,-0.009307861,-0.012039185,-0.011497498,-0.0022830963,0.03387451,0.006412506,-0.046020508,0.029754639,0.021224976,-0.010810852,-0.017333984,0.021224976,0.009567261,-0.029449463,0.016555786,0.025253296,0.053649902,-0.028503418,0.002603531,0.013153076,0.03302002,0.022827148,0.01550293,-0.016052246,0.007663727,-0.023422241,0.0005965233,0.010566711,-0.0018854141,0.005241394,-0.011451721,0.015808105,0.025817871,0.02609253,-0.01889038,-0.03479004,0.0017747879,-0.0016288757,-0.005443573,0.013206482,0.02217102,0.022079468,-0.022369385,0.036346436,0.0231781,-0.03353882,-0.013793945,-0.006011963,0.037078857,-0.027633667,-0.012184143,0.017852783,-0.0072746277,0.04321289,-0.043945312,0.0043640137,0.010101318,0.027709961,-0.007675171,-0.041259766,-0.03930664,-0.008018494,0.028686523,0.005432129,0.011711121,0.029556274,0.0027103424,0.0039749146,0.012016296,-0.005378723,-0.018096924,-0.019546509,-0.042053223,-0.011314392,-0.0068359375,-0.009498596,-0.023910522,0.00667572,-0.028167725,-0.03213501,-0.0012750626,-0.010032654,-0.011566162,-0.011161804,0.0010633469,0.028305054,0.004058838,0.012496948,-0.0107421875,-0.026260376,0.008888245,0.011268616,0.026901245,-0.04727173,0.015686035,-0.016479492,0.0026359558,-0.0075263977,0.017318726,0.015777588,0.018432617,0.0073280334,0.024291992,-0.047058105,0.03479004,-0.03817749,0.011054993,0.01802063,-0.04067993,-0.005378723,-0.033233643,-0.023864746,0.041992188,-0.021072388,-0.0017967224,-0.032318115,-0.012138367,-0.014808655,-0.040893555,0.015419006,0.04031372,0.03201294,-0.026565552,0.0031490326,0.016342163,0.005882263,-0.010482788,-0.0034885406,0.0012140274,0.023422241,0.02381897,0.0028457642,-0.01676941,-0.027252197,0.0032596588,-0.009048462,-0.052337646,-0.04647827,-0.01966858,0.021316528,-0.0021018982,0.0019292831,-0.031829834,-0.012252808,-0.0045204163,-0.02368164,0.0030994415,0.0099487305,0.019348145,0.010101318,-0.028442383,0.017089844,0.031829834,-0.015037537,0.038970947,-0.0031013489,-0.007911682,-0.03213501,0.018554688,0.041625977,0.017486572,0.0028533936,-0.0030288696,-0.005897522,-0.019714355,-0.04852295,-0.007419586,-0.013023376,0.014335632,0.0066833496,-0.0063667297,-0.05001831,-0.021270752,-0.0181427,-0.002313614,0.015068054,0.022903442,0.01852417,-0.0073623657,0.006614685,-0.0061569214,-0.008468628,-0.029449463,0.017166138,0.011772156,-0.0057754517,0.011505127,0.042510986,0.013656616,-0.01878357,-0.0034599304,0.0067481995,0.021728516,-0.031982422,0.014007568,-0.012908936,0.018081665,-0.014060974,-0.030303955,-0.038635254,0.007091522,0.06878662,-0.003452301,0.010147095,-0.017074585,0.0009689331,0.018554688,0.031707764,-0.04928589,-0.004234314,-0.05130005,0.017456055,-0.016159058,0.022628784,0.004020691,0.010910034,-0.02178955,-0.062927246,-0.0021266937,0.016403198,-0.0033855438,-0.050231934,-0.0066337585,-0.05166626,-0.0058288574,-0.007369995,-0.015914917,0.0007123947,0.011741638,-0.0099487305,-0.09124756,0.009864807,0.054992676,0.013763428,0.015419006,-0.02130127,0.014129639,0.02229309,-0.022644043,-0.01878357,0.03338623,-0.022140503,-0.019561768,-0.028778076,0.035217285,-0.01184845,-0.03881836,0.028121948,0.0129776,0.029785156,-0.014289856,-0.000310421,-0.004558563,0.008155823,-0.017990112,0.00730896,-0.005844116,-0.01612854,0.022460938,-0.03765869,0.028533936,0.012382507,0.012207031,0.0032920837,0.021728516,0.034179688,-0.041809082,-0.014183044,0.03955078,0.010261536,0.04675293,-0.034851074,0.041778564,0.035888672,-0.03314209,0.028823853,-0.0055656433,-0.029312134,-0.05279541,-0.019927979,0.01411438,0.0058250427,0.0206604,-0.024765015,0.007007599,0.03692627,-0.0010528564,0.0034561157,-0.016525269,-0.026184082,-0.01953125,-0.00053977966,0.013198853,-0.0009813309,0.00043416023,0.00919342,0.02243042,0.04675293,0.019088745,-0.002494812,0.017196655,0.0076141357,-0.02268982,0.014656067,-0.001039505,0.013153076,0.016967773,0.02494812,0.016952515,-0.037231445,-0.0149002075,-0.011177063,-0.02041626,0.00047969818,0.005378723,-0.0022220612,-0.0033512115,0.008583069,0.0035419464,-0.04574585,0.012138367,-0.031677246,-0.035339355,0.0013771057,-0.017623901,0.0025234222,-0.0007266998,-0.0015039444,0.014320374,0.012992859,0.057556152,0.002714157,0.0052986145,0.027908325,0.036712646,0.018630981,-0.029418945,0.0021686554,-0.0079422,-0.009017944,0.008148193,-0.019638062,0.0073432922,0.03475952,-0.015312195,0.010650635,0.010902405,0.014183044,-0.00023376942,0.008201599,-0.0019512177,0.013473511,-0.025009155,0.040924072,-0.03842163,-0.008728027,0.021881104,0.0004811287,-0.006538391,-0.011405945,-0.035888672,0.013442993,0.0048294067,-0.011459351,0.05050659,-0.013008118,0.018295288,-0.017715454,-0.010910034,0.00006818771,-0.019714355,-0.021377563,0.048339844,-0.0075798035,-0.020355225,0.011917114,-0.028930664,0.0345459,-0.03704834,0.005844116,0.0012903214,-0.010124207,-0.008758545,-0.028396606,-0.009773254,-0.0042266846,-0.024993896,0.0060310364,-0.005592346,0.045684814,0.03414917,0.030975342,0.025787354,0.017593384,0.0035800934,-0.03552246,-0.02645874,0.0039138794,-0.040130615,0.025405884,-0.025360107,0.039978027,0.043945312,-0.0060539246,0.02154541,0.048828125,0.017425537,0.0033226013,0.015701294,-0.021911621,0.011192322,-0.010414124,0.03048706,0.003921509,0.060272217,-0.016937256,0.015899658,-0.0018234253,0.012390137,-0.020645142,0.02760315,0.074035645,0.042022705,-0.015068054,0.03741455,-0.0039482117,-0.015274048,-0.0146865845,-0.019897461,0.06817627,0.0053138733,0.041625977,0.036376953,0.008926392,-0.005130768,0.036346436,-0.0234375,-0.027908325,0.05960083,0.014862061,-0.019760132,-0.010574341,-0.013175964,0.0126953125,-0.044158936,-0.021255493,0.024032593,0.0049095154,0.0043563843,-0.016311646,-0.008399963,-0.009803772,0.026779175,0.02128601,0.017089844,-0.0076904297,0.0049705505,0.022247314,0.013687134,0.024795532,0.0043678284,0.024276733,-0.020401001,-0.020553589,0.0020618439,0.01348114,0.003692627,-0.0051727295,0.02458191,0.02293396,0.056243896,0.03805542,-0.025604248,0.0044136047,0.024673462,0.020339966,0.0012931824,0.035095215,0.024108887,0.020080566,0.032684326,0.05429077,0.027450562,-0.03225708,0.021759033,-0.004928589,0.008232117,-0.00497818,-0.024261475,0.004142761,-0.009849548,0.014373779,0.0021476746,-0.010253906,0.028961182,0.03164673,0.012054443,0.009117126,-0.021774292,-0.0075683594,-0.010421753,0.0017280579,0.011123657,-0.021118164,0.023895264,0.018585205,0.032043457,-0.018997192,0.026947021,-0.0026550293,-0.020019531,-0.004837036,0.011497498,-0.03778076,-0.0015211105,0.0076828003,-0.0025177002,-0.03503418,0.017089844,0.027053833,-0.004928589,0.040222168,0.001367569,0.0007967949,-0.006790161,0.017074585,0.009437561,-0.015403748,-0.012886047,-0.010444641,0.042144775,0.045288086,0.00068616867,0.013954163,-0.009895325,0.0041618347,0.016738892,-0.0065231323,0.005004883,-0.0069007874,-0.005645752,-0.036590576,0.01802063,0.04269409,0.022338867,0.039215088,0.004875183,-0.019424438,0.0024986267,0.02217102,0.011680603,0.009010315,-0.011436462,0.018035889,-0.012023926,0.04434204,0.03363037,0.00011229515,0.02104187,-0.02558899,-0.016082764,0.015083313,-0.0035858154,0.015586853,0.00028014183,0.021087646,-0.026168823,0.018066406,-0.025390625,-0.04937744,0.007881165,-0.019088745,-0.005947113,-0.024459839,0.011665344,0.013900757,0.016647339,0.041748047,0.026000977,-0.029510498,0.072387695,-0.021240234,0.053955078,-0.018585205,-0.0029315948,0.057922363,0.049591064,0.039489746,0.02494812,0.03250122,-0.023620605,0.008033752,0.040618896,0.027572632,0.0075531006,-0.012969971,-0.01675415,0.03010559,0.00045585632,0.025604248,-0.0073242188,-0.001917839,0.013160706,-0.008781433,-0.010322571,0.0045280457,0.0021343231,0.002943039,0.039794922,-0.031311035,-0.011604309,-0.021377563,-0.020614624,0.03414917,-0.00944519,0.0031604767,-0.0025367737,-0.03567505,0.018997192,-0.031311035,-0.015464783,-0.0054740906,0.020721436,-0.033447266,-0.011123657,0.0004606247,0.0050697327,-0.026062012,0.026016235,0.022964478,0.00033187866,0.012145996,0.04257202,-0.0020275116,0.042388916,-0.013420105,0.019592285,0.035827637,0.0124435425,-0.017425537,0.011016846,0.004951477,-0.013870239,0.0033950806,0.033996582,-0.015419006,0.00894165,0.0037460327,-0.029647827,0.022247314,0.008560181,-0.006755829,0.0024604797,-0.00035357475,-0.016494751,-0.0019569397,0.009895325,0.012939453,0.004173279,-0.008529663,-0.02003479,0.011291504,0.03643799,0.023284912,-0.04168701,0.0014543533,0.019760132,0.016540527,-0.025619507,-0.029022217,-0.016159058,-0.034820557,0.009925842,0.015052795,0.0024337769,0.009277344,-0.020248413,-0.0034809113,0.02909851,0.016830444,0.011734009,0.00617218,-0.0070648193,0.010818481,-0.030303955,-0.0027542114,-0.01638794,-0.0022602081,0.017333984,0.011550903,-0.019622803,-0.021636963,0.019119263,-0.005874634,0.010551453,0.004837036,-0.0017538071,0.030838013,-0.021499634,-0.012130737,0.0032730103,0.02079773,-0.006126404,-0.027267456,-0.031433105,0.022735596,0.051086426,-0.00818634,0.00015103817,0.016189575,0.0019512177,0.02748108,0.039154053,0.0074806213,0.042297363,0.030410767,-0.014480591,-0.025772095,0.019943237,-0.005088806,-0.037902832,0.027359009,-0.015365601,-0.014892578,0.020004272,0.0077667236,-0.007041931,-0.032073975,-0.016921997,-0.002626419,-0.017547607,0.02947998,-0.0206604,0.016311646,-0.024169922,-0.013069153,0.0025920868,-0.013519287,-0.038604736,-0.03555298,-0.014335632,-0.010597229,-0.05117798,0.017974854,-0.03366089,0.012580872,-0.008361816,0.0077667236,-0.0036334991,0.038635254,-0.0042152405,0.0019226074,0.013908386,0.02645874,-0.011108398,0.021255493,0.018341064,-0.009315491,-0.034973145,-0.017105103,0.0038414001,-0.010414124,0.013671875,-0.0056991577,0.03567505,0.007949829,-0.01071167,-0.004219055,-0.020568848,-0.0063323975,-0.0050086975,-0.0289917,-0.012413025,0.0055618286,0.023742676,-0.017318726,-0.0070228577,0.048919678,-0.021560669,-0.017913818,0.020217896,0.042999268,0.017196655,0.03338623,-0.010177612,-0.0056991577,-0.014892578,0.0010690689,-0.014144897,0.0042877197,0.010414124,-0.0018033981,0.007041931,0.006629944,0.023132324,-0.009384155,0.0058631897,0.011634827,-0.0025787354,-0.014060974,0.03463745,0.0076828003,0.0076293945,-0.016647339,-0.021484375,0.02154541,0.030456543,0.024993896,0.015029907,-0.0007247925,0.011665344,-0.01361084,0.016983032,0.0055122375,-0.023742676,-0.022644043,-0.015296936,-0.03491211,0.017074585,0.0036849976,0.009460449,0.0074653625,0.016815186,-0.020263672,-0.015594482,-0.012580872,0.008773804,-0.00009816885,-0.011764526,-0.006729126,0.0046157837,0.01876831,-0.029403687,-0.009605408,-0.03741455,-0.020095825,-0.011116028,-0.026733398,0.023101807,0.00982666,-0.01713562,0.005695343,-0.0040359497,-0.0021362305,-0.0048446655,0.029830933,-0.015090942,-0.002527237,0.019470215,0.01651001,-0.025650024,0.020339966,-0.014671326,-0.006477356,0.025253296,-0.0118255615,0.011001587,-0.015464783,0.027496338,0.009002686,-0.017700195,0.044403076,0.0030345917,0.015594482,-0.02468872,-0.0012025833,0.0032081604,-0.012741089,0.024337769,-0.0155181885,-0.033203125,0.002960205,-0.015159607,-0.033599854,0.009864807,0.030181885,0.04156494,-0.0039596558,0.0413208,-0.0128479,-0.019515991,0.012023926,0.026779175,-0.0034732819,-0.0032176971,0.03274536,0.011436462,0.0010652542,0.002565384,-0.015533447,-0.03225708,-0.0016222,0.017196655,-0.011787415,-0.0053634644,0.022872925,0.008399963,0.04055786,0.0017709732,0.0071525574,0.02079773,0.012191772,0.017974854,0.0050315857,0.04864502,0.00006133318,-0.028411865,0.0018863678,0.0055389404,-0.016448975,-0.015975952,-0.01763916,0.0042381287,-0.034606934,0.0102005005,-0.0031147003,0.031433105,-0.029174805,0.0070495605,-0.015068054,-0.011184692,-0.028930664,-0.011657715,-0.020126343,0.0027942657,0.030181885,0.014480591,0.0041007996,0.011756897,-0.028533936,0.027633667,0.045074463,-0.00060129166,-0.02558899,-0.005016327,0.020584106,-0.0056266785,0.00011783838,0.00831604,-0.015571594,-0.014518738,-0.005104065,-0.012268066,0.0085372925,-0.0005364418,0.016113281,0.0064048767,-0.016815186,-0.0062561035,0.034332275,0.0028896332,-0.011375427,0.0033779144,0.009185791,0.041870117,0.04724121,-0.005542755,0.013504028,0.022140503,-0.039794922,0.05581665,-0.001206398,0.017944336,-0.019500732,0.0055236816,-0.037628174,-0.0026111603,-0.008674622,0.007698059],"createdAt":"2026-04-18T18:46:01.543Z","updatedAt":"2026-04-23T19:01:08.023Z","lastSeenAt":"2026-04-23T19:01:08.023Z","tsv":"'/api/v1/claims/65':64,172 '/request':154 '0.02':10,29,100,153 '000':90 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':80 '20':89 '6':95 'Base network API' 'USDC pay-per-call' 'accept':71 'access':6,25,69,168,184 'actual':241 'advertis':106 'agent':229 'ai':120 'amount':86 'analysi':124 'analyt':114 'api':5,24,46,68,161,183,200 'avail':225,244 'base':8,27,59,82,91 'base-network' 'behind':52 'broader':104 'call':45 'catalog':109 'caution':235 'classif':127 'connect':206 'content':212 'contract':79 'convers':144 'crawl':228 'crypto-gated endpoint' 'data':113,117,191 'decim':96 'descript':179 'detail':223 'doc':197 'document':188,224 'embed':128 'emphas':159 'endpoint':51,63,111,147,173,233 'equal':99 'estim':138 'exampl':220 'exchang':133 'export':118 'feed':132 'financ':129 'function':193 'gas':137 'gate':3,22,49 'generat':145 'geocod':142 'howev':169 'inform':238 'infrastructur':140 'insight':119 'instant':167 'json-response' 'key':16,35,162 'label':66 'learn':122 'limit':19,38,165 'list':149 'lowpaymentfee' 'lowpaymentfee.com':39 'machin':121 'maximum':85 'metric':115 'micropayment API' 'network':60 'no-api-key' 'openapi':216 'output':242 'page':201 'pay':9,28,43 'pay-per-cal':42 'pay-per-request' 'payment':55,74 'per':11,30,44,101 'platform':47,105,158 'point':156 'post':72 'post-method' 'premium':4,23,67,182 'premium API access' 'price':131,155,198 'prompt':208 'protocol':56 'purpos':175 'quot':136 'rate':18,37,134,164 'render':203 'report':116 'request':12,31,73,102 'request/response':219 'requir':87 'return':195 'schema':217 'sentiment':123 'settl':76 'simpli':181 'span':112 'specif':62,171 'substant':211 'summar':126 'text':125 'token':135 'treat':231 'unclear':177 'unit':92 'usdc':14,33,78,98 'usdc-settlement' 'util':141 'valid':143 'wallet':207 'web3':130 'wide':108 'x402':2,21,54 'x402 API' 'x402-gated':1,20 'x402-payment'","prices":[{"id":"a3dbcc55-42d0-49dd-9425-7b5b4636dfc2","listingId":"c899aaa1-c7c8-4862-b417-b1f3b9c80065","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/65","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:46:01.543Z"}],"sources":[{"listingId":"c899aaa1-c7c8-4862-b417-b1f3b9c80065","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/claims/65","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:46:01.543Z","lastSeenAt":"2026-04-23T19:01:08.023Z"}],"details":{"listingId":"c899aaa1-c7c8-4862-b417-b1f3b9c80065","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/claims/65 \\\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":"Endpoint returns 402 with x402 challenge requiring USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/claims/65"},{"claim":"maxAmountRequired is 20000 base units of USDC (6 decimals) = $0.02","source_url":"https://lowpaymentfee.com/api/v1/claims/65"},{"claim":"Platform advertises $0.02/request, no API keys, no rate limits, instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/claims/65"},{"claim":"Docs, pricing, and API pages render only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Paying per-call for API access without needing API keys or subscriptions","Programmatic agent access to gated endpoints using x402 USDC micropayments","Testing x402 protocol integration with a low-cost endpoint"],"bestFor":["Developers exploring x402 payment protocol integration","AI agents that need keyless, pay-per-call API access on Base","Low-cost experimentation with crypto-gated APIs"],"notFor":["Users who need detailed documentation or guaranteed SLAs before calling","Anyone requiring free or non-crypto payment methods","Production workloads that depend on well-documented response schemas"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:19.827Z"},"updatedAt":"2026-04-23T19:01:08.023Z"}}