{"id":"b9bf6e7a-a37f-429f-86c4-ab970db9640c","shortId":"gUeSSN","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. It is one of many endpoints offered by the provider, which spans categories including data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints are priced at $0.02 per request, payable in USDC on the Base network with no API keys, no rate limits, and no commitments required.\n\nThe specific resource `/api/v1/generate/resource/125` accepts HTTP POST requests and returns `application/json` responses. The x402 challenge confirms the endpoint is live, advertising a max amount of 20,000 base units of USDC (0.02 USD given 6 decimals) on Base. Payment is settled on-chain to the specified wallet address. The provider's landing page lists a broad suite of endpoints covering metrics, reports, data export, insights, sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation.\n\nDocumentation is extremely sparse — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no examples available. The exact functionality behind this particular resource ID (125) is unclear; the title \"Premium API Access\" is generic and does not describe what the endpoint actually does or returns.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","json-response","http-post","no-api-key","no-rate-limit"],"categories":["infrastructure","general"],"synonyms":["x402 API","pay-per-call API","USDC micropayment API","Base network API","lowpaymentfee","crypto-paid API","on-chain payment API"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet'","No OpenAPI or schema definition found for this endpoint","The specific functionality of /api/v1/generate/resource/125 is undocumented and unclear","No request body schema or response schema is provided anywhere"],"endpointUrl":"https://lowpaymentfee.com/api/v1/generate/resource/125","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/generate/resource/125","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live and returns a valid x402 challenge with clear pricing ($0.02 USDC on Base). However, there is no documentation, no OpenAPI spec, no request/response schema, and no examples. The purpose of resource/125 is entirely unknown. The docs pages are empty beyond a wallet-connect prompt.","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":"2026-04-18T23:02:49.151Z","embedding":[-0.024658203,-0.019134521,0.060150146,0.030471802,0.0015497208,-0.033996582,-0.012207031,0.023010254,0.07885742,-0.083496094,0.022018433,-0.050445557,-0.029953003,-0.045959473,-0.024459839,0.015586853,-0.020614624,-0.0039901733,-0.0340271,0.022338867,0.04159546,-0.014328003,-0.020004272,0.039245605,-0.0036144257,-0.013084412,-0.016967773,-0.007637024,-0.0075416565,-0.032470703,0.02658081,-0.028518677,0.0025978088,0.018981934,-0.01637268,-0.021347046,0.0028076172,0.03302002,0.024765015,-0.0029468536,-0.0095825195,-0.06048584,0.0050201416,-0.0042381287,-0.05496216,0.00051116943,0.007411957,-0.025390625,-0.0034427643,0.0035324097,-0.042999268,0.0052337646,-0.007221222,0.0024986267,-0.0075149536,-0.0026855469,-0.015914917,-0.010932922,-0.0066337585,0.019882202,0.008422852,-0.06518555,-0.0135650635,-0.00016975403,0.0029563904,0.058502197,-0.0048294067,0.051452637,0.0033016205,0.0619812,0.034362793,0.05239868,0.021575928,0.029815674,-0.007331848,0.0019388199,0.005405426,0.06561279,-0.020004272,-0.015083313,-0.02078247,-0.011405945,-0.059814453,0.006164551,-0.026473999,-0.051361084,-0.0016260147,0.012435913,-0.0140686035,0.02520752,-0.068237305,-0.0037994385,-0.005542755,0.016967773,-0.011833191,-0.0010061264,-0.008636475,0.0309906,-0.014572144,0.024429321,0.0055236816,-0.035339355,0.009231567,0.019943237,0.030288696,0.04220581,0.01802063,0.024246216,0.007835388,-0.013534546,-0.029067993,0.013145447,-0.0033912659,-0.024642944,0.002840042,0.0018053055,-0.008506775,0.0067863464,-0.01687622,0.01399231,-0.050720215,0.05731201,0.015106201,-0.014961243,0.0076828003,-0.049987793,-0.013999939,0.021697998,-0.031173706,0.0028095245,0.017990112,0.02722168,0.028549194,-0.021896362,-0.030776978,-0.0018043518,-0.02168274,-0.03414917,-0.05493164,-0.02458191,0.034240723,-0.027816772,0.014472961,0.036224365,-0.09899902,-0.026412964,-0.057525635,0.0008378029,-0.034301758,-0.0053138733,0.0010137558,0.024963379,-0.020690918,-0.014350891,-0.015808105,-0.023452759,-0.012779236,0.035186768,-0.023773193,0.05105591,0.011581421,0.045562744,0.016357422,0.015052795,0.022598267,0.026916504,-0.0019798279,-0.075805664,-0.07757568,-0.009750366,0.015808105,-0.0149002075,-0.05090332,0.011642456,-0.00074243546,-0.070373535,-0.036590576,-0.008346558,-0.00843811,-0.0501709,0.011474609,-0.021881104,0.0023937225,-0.001241684,-0.056488037,-0.02935791,-0.024230957,0.06994629,0.039855957,0.009460449,0.026779175,-0.018707275,0.060150146,0.021072388,-0.018798828,-0.044647217,0.029403687,-0.0181427,0.019058228,-0.00642395,0.0025577545,-0.038970947,0.025741577,0.042999268,0.018005371,-0.014038086,-0.006023407,-0.052093506,-0.029907227,-0.032226562,0.007156372,0.007247925,0.014198303,0.035827637,-0.021957397,-0.03994751,0.008872986,0.019805908,0.013420105,0.061828613,0.0061950684,-0.000849247,0.013809204,0.008224487,-0.032226562,0.03717041,0.030960083,0.016815186,-0.027145386,-0.018081665,0.024871826,0.034240723,-0.017593384,0.001206398,-0.02859497,0.029296875,-0.0008711815,0.021057129,0.02078247,-0.025115967,-0.018753052,-0.025543213,-0.021133423,0.02798462,0.01361084,-0.013908386,-0.048187256,-0.087768555,0.061920166,0.03479004,0.04034424,-0.0110321045,0.0056533813,-0.016021729,-0.005340576,-0.0637207,0.057403564,0.07495117,-0.020874023,-0.013015747,0.012901306,-0.004436493,-0.032196045,-0.0053100586,-0.017608643,-0.030181885,-0.027954102,0.001958847,-0.05569458,-0.0009069443,0.0033912659,0.024154663,0.058563232,-0.010536194,-0.0692749,-0.02696228,0.0038604736,0.004722595,-0.03652954,0.0012903214,-0.01612854,0.012542725,0.04156494,-0.0014829636,0.021270752,-0.004219055,0.0073661804,-0.004814148,-0.005050659,-0.027359009,-0.012046814,0.007987976,-0.004310608,-0.062438965,0.014312744,0.011062622,0.068481445,-0.044921875,0.030593872,-0.005218506,0.007965088,0.055908203,0.0027656555,-0.066467285,-0.0022850037,0.006275177,0.044708252,0.053771973,0.012001038,-0.04031372,-0.010696411,0.06750488,-0.016830444,-0.013038635,0.023452759,0.025024414,0.041046143,-0.007282257,-0.07092285,-0.030395508,-0.0068130493,-0.026992798,0.017120361,-0.016830444,0.021911621,-0.012901306,-0.0013246536,-0.026611328,0.002527237,-0.026947021,0.02558899,-0.01876831,0.0044403076,-0.005432129,-0.00541687,0.0038547516,0.015838623,-0.014434814,0.0015163422,0.038970947,0.0075798035,-0.007171631,-0.028915405,-0.030593872,-0.020645142,-0.010787964,0.023162842,0.035003662,0.017745972,0.049987793,-0.049072266,0.02128601,0.03149414,0.022720337,0.035308838,-0.0054130554,0.013534546,-0.07086182,-0.055389404,-0.02558899,-0.053466797,0.048675537,0.018707275,-0.015182495,0.06542969,0.00868988,-0.011001587,-0.024963379,0.018493652,-0.03353882,-0.022781372,0.05871582,-0.019882202,-0.028915405,-0.0050697327,-0.0008792877,0.017822266,0.04168701,0.020599365,0.0116119385,0.077941895,0.04486084,-0.012390137,0.007926941,0.013999939,0.017364502,0.007545471,-0.038879395,-0.039123535,-0.008354187,0.026519775,-0.020187378,-0.011787415,-0.06616211,0.06512451,0.03515625,0.07324219,0.010574341,0.007801056,0.044708252,-0.017105103,0.005443573,-0.01953125,-0.014480591,-0.015670776,-0.05596924,0.027511597,-0.016998291,-0.009986877,-0.014434814,0.027999878,-0.003370285,0.019226074,-0.028076172,0.05783081,0.009033203,-0.008308411,0.011962891,0.010147095,0.052124023,0.046905518,-0.03515625,0.030288696,0.0058135986,-0.040130615,-0.0005249977,0.034423828,-0.0033073425,-0.011856079,-0.034606934,-0.013137817,0.0035095215,0.0026187897,-0.046813965,-0.011131287,0.010643005,0.017211914,0.03704834,-0.008422852,-0.018875122,0.005088806,-0.012145996,-0.06109619,-0.0119018555,-0.0473938,0.006164551,0.060272217,-0.04107666,-0.012573242,0.0127334595,-0.008804321,-0.00037431717,0.024230957,0.014183044,-0.00969696,-0.04321289,0.014732361,0.007888794,0.021148682,0.01309967,0.044281006,0.021621704,0.024139404,0.029464722,0.006427765,-0.032196045,-0.06021118,0.013679504,-0.03366089,-0.004219055,0.013084412,-0.009178162,-0.0048065186,-0.015556335,-0.02670288,-0.028442383,0.0031356812,-0.027954102,-0.011054993,0.03152466,-0.026626587,-0.024536133,-0.046569824,-0.012931824,-0.013572693,0.0703125,0.03186035,0.0017290115,-0.059631348,-0.021560669,0.030838013,0.010681152,0.015586853,-0.01449585,0.006690979,-0.0154800415,-0.027511597,-0.022949219,-0.023757935,0.010620117,-0.011207581,-0.009178162,0.023605347,0.009216309,0.020736694,-0.0037212372,0.014923096,0.047576904,-0.016616821,-0.0066719055,-0.024490356,0.03390503,0.0022258759,-0.0088272095,-0.047302246,0.04260254,0.00957489,0.03338623,-0.034423828,0.006000519,0.0016002655,0.020492554,0.010826111,-0.0058059692,-0.024719238,-0.010574341,-0.062805176,-0.072021484,0.046142578,-0.025741577,0.033355713,0.020553589,-0.0018463135,0.022644043,-0.006187439,-0.0012922287,0.02748108,-0.031555176,-0.01209259,-0.028244019,-0.03414917,-0.0006599426,-0.007709503,-0.015686035,0.010391235,-0.0115737915,-0.0035171509,0.00070238113,-0.01486969,0.025650024,-0.005306244,-0.012969971,0.023071289,-0.00046157837,0.01625061,0.044281006,0.010002136,-0.045166016,0.028945923,0.001168251,0.0047836304,-0.0033779144,0.044158936,0.03173828,-0.0075263977,-0.00039839745,-0.01889038,-0.0059394836,-0.016464233,-0.0046958923,0.0039367676,0.017700195,0.008529663,-0.035827637,0.017150879,0.01737976,-0.0340271,-0.024353027,0.01727295,0.016693115,-0.030319214,0.014160156,0.031921387,0.049926758,-0.027816772,-0.008117676,0.015167236,0.030883789,0.03164673,0.021408081,-0.026504517,0.018829346,-0.023208618,0.004295349,0.0029659271,-0.017578125,0.008377075,0.007507324,0.015945435,0.020065308,0.008834839,-0.017410278,-0.0368042,-0.002090454,-0.01348114,-0.018920898,0.029541016,0.035705566,0.0072288513,-0.02532959,0.01084137,0.012504578,-0.025558472,-0.02142334,-0.0068588257,0.044006348,-0.0057868958,-0.014907837,0.007774353,0.012901306,0.04397583,-0.06329346,-0.011375427,0.0044441223,0.015403748,-0.026184082,-0.041748047,-0.04522705,-0.00242424,0.043182373,0.006454468,0.012680054,0.024795532,-0.008575439,0.00028324127,0.033721924,0.0026931763,-0.016937256,-0.022445679,-0.03488159,0.0043563843,-0.0064926147,0.01449585,-0.023040771,-0.000079751015,-0.0074043274,-0.028625488,0.020446777,-0.007980347,-0.0022201538,-0.007949829,0.012245178,0.024047852,-0.015792847,0.016540527,-0.020324707,-0.017471313,-0.014518738,0.0075149536,0.014419556,-0.05355835,0.023071289,-0.019134521,-0.009529114,0.007019043,0.022323608,0.02078247,0.021362305,-0.0038547516,0.025009155,-0.03793335,0.034851074,-0.052337646,-0.0006432533,0.005306244,-0.031402588,-0.004524231,-0.018493652,-0.01789856,0.03201294,-0.025436401,-0.011459351,-0.032165527,-0.02784729,0.0025196075,-0.039093018,0.009902954,0.039794922,0.03515625,-0.021621704,-0.002632141,-0.004085541,0.0050621033,-0.009567261,0.014038086,-0.013626099,0.022613525,0.020965576,0.00017476082,-0.03744507,-0.030914307,-0.010231018,0.0042686462,-0.029388428,-0.04232788,-0.022415161,0.0035552979,-0.006214142,-0.008430481,-0.02494812,-0.018814087,-0.0015287399,-0.04486084,0.020858765,0.0088272095,0.01966858,0.009635925,-0.016571045,0.016540527,0.008934021,-0.012084961,0.044006348,0.00043678284,-0.01889038,-0.047332764,0.0051116943,0.03967285,0.023208618,-0.0046539307,-0.014953613,-0.007675171,-0.021316528,-0.050872803,-0.015838623,-0.0044937134,-0.008712769,-0.0102005005,0.0079956055,-0.044158936,-0.0063476562,-0.029922485,0.0061416626,0.022064209,0.017807007,0.016159058,-0.0006213188,0.01020813,-0.005760193,-0.015960693,-0.028961182,0.026947021,0.01033783,0.0043411255,0.020263672,0.054656982,0.011924744,-0.0056037903,-0.0024147034,0.0067749023,0.014053345,-0.00843811,-0.0024528503,-0.0096588135,-0.00001680851,-0.013175964,-0.018447876,-0.030838013,-0.007843018,0.07910156,-0.0062789917,-0.0007200241,-0.021575928,-0.015899658,0.019744873,0.016418457,-0.043029785,0.00541687,-0.024612427,0.016098022,-0.025436401,0.0154953,0.008872986,0.02015686,-0.011047363,-0.05947876,-0.011390686,-0.0004925728,-0.0075263977,-0.07287598,-0.035583496,-0.05996704,-0.00007814169,-0.0035858154,-0.030838013,-0.004432678,0.017166138,-0.025970459,-0.08453369,-0.009246826,0.040618896,0.00012493134,0.018692017,-0.022720337,0.019226074,0.02468872,-0.038757324,-0.018066406,0.029510498,-0.03225708,-0.0033512115,-0.021591187,0.021118164,-0.013572693,-0.02142334,0.006351471,0.0077590942,0.023101807,-0.0013494492,0.0018749237,-0.0077209473,0.008270264,-0.011955261,0.014457703,-0.003211975,-0.015548706,0.028808594,-0.053222656,0.013420105,0.031921387,0.0031528473,0.012435913,0.025299072,0.034118652,-0.042907715,-0.012680054,0.03527832,0.015670776,0.04498291,-0.028244019,0.040740967,0.008460999,-0.021896362,0.0317688,0.003540039,-0.017745972,-0.039398193,-0.024841309,0.022918701,-0.0041122437,0.022262573,-0.009567261,-0.0020389557,0.013534546,-0.0051460266,0.009429932,-0.0036239624,-0.04058838,-0.0062179565,0.0062294006,-0.0066223145,-0.0020999908,-0.001288414,0.017181396,0.022491455,0.037994385,0.005039215,-0.0022392273,0.0079956055,0.026168823,-0.018707275,0.009506226,0.025238037,0.009460449,0.035095215,0.016143799,0.0116119385,-0.04324341,-0.018539429,-0.037597656,-0.012557983,0.0047302246,-0.010353088,-0.009788513,0.0028839111,0.008636475,-0.0055236816,-0.016830444,0.013847351,-0.048858643,-0.025405884,-0.0045280457,-0.013832092,0.009590149,0.005847931,0.017913818,0.0155181885,-0.0029411316,0.041748047,0.013114929,-0.01876831,0.025604248,0.026016235,0.018035889,-0.026565552,0.0009069443,-0.014625549,-0.0016355515,-0.0026626587,-0.033721924,0.023269653,0.036071777,-0.014701843,0.012680054,-0.0022201538,0.019424438,-0.018722534,0.010566711,0.0064353943,0.021972656,-0.0039749146,0.029464722,-0.043914795,0.013305664,0.01499176,-0.006023407,-0.0038795471,-0.018173218,-0.033111572,0.011634827,0.0031738281,-0.025039673,0.04550171,-0.011688232,0.019729614,-0.03302002,-0.020706177,0.0061683655,-0.036376953,-0.026046753,0.041503906,-0.0068130493,-0.010635376,0.014923096,-0.03149414,0.041870117,-0.023620605,0.020889282,-0.0066719055,0.0049972534,-0.01309967,-0.017974854,-0.0149383545,0.002319336,-0.0051460266,-0.0017814636,0.007648468,0.041137695,0.02217102,0.03265381,0.05569458,0.024368286,-0.00036025047,-0.037902832,-0.016311646,0.0010976791,-0.019439697,0.0022697449,-0.012138367,0.057250977,0.039489746,-0.0004143715,0.03036499,0.02067566,0.039001465,0.0101623535,0.007827759,0.0025539398,0.008491516,-0.010314941,0.019332886,-0.002193451,0.043304443,-0.026382446,0.025299072,0.015312195,0.029815674,-0.030838013,0.025741577,0.068237305,0.015838623,-0.02670288,0.03793335,0.0022621155,-0.0013971329,-0.014587402,-0.017410278,0.044555664,0.0036411285,0.043304443,0.03250122,-0.00037407875,-0.007091522,0.026107788,-0.02748108,-0.006916046,0.070129395,0.034454346,-0.010513306,-0.013847351,-0.004058838,0.003850937,-0.045532227,-0.030548096,0.011955261,0.0014619827,0.0126953125,-0.0184021,-0.019134521,-0.01512146,0.02330017,0.019836426,0.0040893555,-0.02116394,0.021652222,0.035491943,-0.00409317,0.02784729,-0.010482788,0.024337769,-0.02722168,-0.020721436,0.022323608,0.019363403,-0.013679504,-0.012619019,0.0098724365,0.017913818,0.054504395,0.046417236,-0.00038957596,0.011657715,0.021316528,0.013198853,0.005142212,0.041931152,0.040008545,0.014953613,0.036315918,0.03237915,0.027664185,-0.037353516,0.022415161,0.00097227097,0.0051574707,-0.0066375732,-0.011711121,-0.00033187866,-0.02331543,0.025512695,0.009468079,-0.0062332153,0.022994995,0.020599365,0.007083893,-0.0063323975,0.00014066696,0.005176544,-0.012931824,-0.00541687,0.013923645,-0.013771057,0.025390625,0.0061950684,0.031341553,-0.025924683,0.029022217,-0.008460999,-0.026260376,0.000269413,0.020858765,-0.046173096,0.007217407,-0.005718231,-0.0064048767,-0.030181885,0.01828003,0.026123047,-0.0061912537,0.024765015,-0.001250267,-0.0004506111,0.008125305,0.026916504,0.014953613,0.010566711,-0.009399414,-0.021392822,0.033477783,0.04031372,0.007007599,0.013076782,-0.024093628,0.007896423,0.011222839,-0.023620605,-0.008125305,-0.009979248,-0.036193848,-0.031280518,0.007820129,0.03866577,0.027908325,0.049560547,-0.0041656494,-0.017852783,0.014297485,0.036712646,0.008552551,-0.0056114197,-0.014511108,0.016021729,-0.034118652,0.047454834,0.032104492,0.0017566681,0.01927185,-0.01247406,-0.020507812,0.010047913,-0.008918762,0.01979065,-0.011459351,0.0013380051,-0.012886047,0.025680542,-0.017196655,-0.029220581,-0.0009675026,-0.021850586,-0.021636963,-0.025314331,0.005214691,0.01991272,0.023834229,0.039489746,0.019744873,-0.02470398,0.061767578,-0.013076782,0.042755127,-0.010147095,-0.009086609,0.04623413,0.03488159,0.024414062,0.009651184,0.0155181885,-0.036376953,0.0032577515,0.0390625,0.018478394,0.016937256,-0.0006918907,-0.024749756,0.034454346,0.00017261505,0.018798828,-0.0010929108,0.0034809113,0.01890564,-0.009941101,-0.0036182404,-0.0008378029,-0.0028514862,-0.0005669594,0.04888916,-0.03918457,-0.00598526,-0.022262573,-0.011650085,0.029220581,-0.009597778,0.0063934326,0.009231567,-0.03338623,0.015975952,-0.026779175,-0.010726929,-0.00046753883,0.025436401,-0.02973938,-0.01360321,0.00048613548,0.01108551,-0.023162842,0.035858154,0.007221222,-0.008255005,0.009780884,0.038970947,-0.011520386,0.033355713,-0.034820557,0.014823914,0.029953003,-0.00013589859,-0.019561768,0.007083893,-0.0021533966,-0.016220093,0.0077285767,0.026519775,-0.012519836,0.0132369995,-0.00089883804,-0.0068511963,0.008773804,0.0017499924,-0.009536743,0.0043411255,-0.013031006,-0.00819397,0.0079956055,0.019821167,-0.0062179565,0.0027427673,-0.011039734,-0.018463135,-0.007675171,0.028915405,0.024871826,-0.038970947,0.00093984604,0.012741089,0.027023315,-0.024765015,-0.00749588,0.0057754517,-0.033966064,0.021514893,0.020187378,-0.0038146973,0.0058784485,-0.021652222,0.0055389404,0.02961731,0.017318726,0.018692017,0.0019073486,-0.0006198883,0.023880005,-0.022857666,-0.009338379,-0.0028495789,-0.011947632,0.007774353,0.013626099,-0.008964539,-0.031921387,0.030075073,-0.0047683716,0.025421143,0.0057792664,-0.013191223,0.023239136,-0.008148193,-0.018630981,0.008918762,0.032287598,-0.006477356,-0.0053749084,-0.020065308,0.023803711,0.052001953,-0.024597168,0.006996155,0.013977051,0.010482788,0.008514404,0.031219482,0.0045928955,0.037628174,0.026031494,-0.03289795,-0.026138306,0.029174805,-0.010932922,-0.04647827,0.008964539,-0.0005130768,-0.017669678,0.010246277,0.0181427,-0.004699707,-0.027923584,-0.023361206,-0.011642456,-0.027999878,0.007881165,-0.008102417,0.012191772,-0.033081055,-0.0020008087,0.000096440315,-0.009506226,-0.0435791,-0.02720642,-0.0024337769,-0.009529114,-0.0413208,0.013908386,-0.016342163,0.0066184998,-0.016174316,-0.004611969,-0.010818481,0.031982422,-0.024887085,-0.009231567,-0.00084352493,0.03010559,0.02041626,0.004459381,0.037841797,-0.010810852,-0.021499634,-0.021820068,-0.0052337646,-0.011764526,0.022262573,0.0004582405,0.040985107,0.022354126,0.00063610077,-0.0035858154,-0.015342712,-0.0020046234,-0.0029239655,-0.03387451,-0.018218994,0.024490356,0.010360718,-0.010498047,-0.0116119385,0.029922485,-0.026809692,-0.019424438,0.03024292,0.052368164,-0.0026721954,0.03289795,-0.014823914,-0.0029468536,-0.012741089,0.006801605,-0.013183594,0.009544373,0.016311646,0.000374794,-0.013381958,0.007850647,0.03289795,-0.017181396,0.0020160675,0.02281189,-0.0026741028,-0.009918213,0.022613525,0.022033691,0.008140564,-0.010528564,-0.0079574585,0.025741577,0.024841309,0.01210022,0.003063202,0.003868103,0.018066406,-0.015380859,0.009346008,0.019439697,-0.0206604,-0.0309906,-0.021240234,-0.02330017,0.022247314,0.01374054,0.007801056,-0.008255005,0.007873535,-0.024963379,-0.022109985,-0.010017395,0.023620605,0.016708374,-0.0088272095,-0.0115737915,0.0032234192,0.009681702,-0.024337769,0.005203247,-0.047912598,-0.029220581,0.0026779175,-0.029037476,0.009269714,0.020263672,-0.013038635,-0.001616478,0.008010864,-0.0074043274,-0.0039138794,0.033935547,-0.013023376,-0.015838623,0.018539429,0.015991211,-0.008239746,0.0051956177,-0.011360168,0.000034689903,0.027175903,0.0020542145,-0.002729416,-0.015365601,0.03656006,-0.0035324097,-0.006542206,0.028076172,0.0031528473,0.010696411,-0.027694702,0.010803223,0.00051116943,-0.0066108704,0.03656006,-0.031036377,-0.015930176,0.010421753,-0.023834229,-0.017791748,-0.00046038628,0.023391724,0.041778564,-0.0047836304,0.043670654,-0.01828003,-0.008872986,0.015701294,-0.0025959015,-0.016830444,-0.00086688995,0.038970947,-0.005630493,-0.015655518,-0.008682251,-0.018936157,-0.027648926,-0.0012664795,0.016708374,0.0036563873,-0.011787415,0.024169922,0.007709503,0.049987793,-0.013694763,0.014518738,0.0048675537,0.007019043,0.024841309,0.0140686035,0.045410156,-0.002073288,-0.022781372,0.008506775,0.0019931793,-0.025009155,-0.00011265278,-0.011749268,0.009391785,-0.059020996,0.016174316,-0.005531311,0.02748108,-0.03111267,0.022094727,-0.03225708,-0.009735107,-0.031066895,-0.0059127808,-0.03265381,0.0016117096,0.032287598,0.0025043488,0.02078247,0.0035591125,-0.032562256,0.012748718,0.049804688,-0.001619339,-0.028884888,0.008674622,0.019958496,0.004371643,0.018188477,0.0028820038,-0.01210022,-0.024597168,0.011047363,0.0034008026,0.006378174,-0.00459671,0.023345947,0.008293152,0.0014915466,0.0043029785,0.04071045,-0.0007491112,-0.002445221,0.0045318604,0.0007362366,0.023849487,0.029403687,-0.015853882,0.011993408,0.02609253,-0.037139893,0.05999756,-0.0076828003,0.025985718,-0.015380859,-0.0039978027,-0.05078125,-0.024291992,-0.012138367,0.00044488907],"createdAt":"2026-04-18T18:37:25.172Z","updatedAt":"2026-04-22T12:03:12.569Z","lastSeenAt":"2026-04-22T12:03:12.569Z","tsv":"'/api/v1/generate/resource/125':97 '/request':13,28 '0.02':12,27,73,125 '000':120 '125':223 '20':119 '6':128 'Base network API' 'USDC micropayment API' 'accept':98 'access':7,22,38,230 'actual':240 'address':142 'advertis':114 'ai':60 'amount':117 'analysi':161 'analyt':59 'api':6,21,37,85,185,229 'application/json':104 'avail':214 'base':9,24,81,121,131 'behind':218 'broad':150 'call':4,19 'categori':56 'chain':137 'challeng':108 'classif':164 'commit':92 'confirm':109 'connect':194 'convers':176 'cover':154 'crypto-paid API' 'data':58,157 'decim':129 'describ':236 'detail':201 'doc':184 'document':179,210 'embed':165 'endpoint':32,49,69,111,153,239 'estim':173 'exact':216 'exampl':213 'exchang':168 'export':158 'extrem':181 'feed':167 'financ':63 'function':217 'gas':172 'generat':178 'generic':232 'geocod':174 'given':127 'http':99 'http-post' 'id':222 'includ':57 'infrastructur':66 'insight':159 'json-response' 'key':86 'land':146 'learn':62 'limit':89 'list':148 'live':113 'lowpaymentfee' 'lowpaymentfee.com':34 'machin':61 'mani':48 'max':116 'metric':155 'network':82 'no-api-key' 'no-rate-limit' 'offer':50 'on-chain':135 'on-chain payment API' 'one':46 'openapi':205 'page':147,189 'particular':220 'pay':2,17 'pay-per-cal':1,16 'pay-per-call API' 'pay-per-request' 'payabl':76 'payment':42,132 'per':3,18,74 'post':100 'premium':5,20,36,228 'price':71,166,186 'prompt':196 'protocol':43 'provid':35,53,144 'quot':171 'rate':88,169 'readm':188 'render':191 'report':156 'request':75,101 'request/response':208 'requir':93 'resourc':96,221 'respons':105 'return':103,243 'schema':209 'sentiment':160 'settl':134 'span':55 'spars':182 'spec':206 'specif':95 'specifi':140 'suit':151 'summar':163 'technic':200 'text':162 'titl':227 'token':170 'unclear':225 'unit':122 'usd':126 'usdc':15,30,78,124 'usdc-base' 'util':67 'valid':175 'via':10,25,39 'wallet':141,195 'web3':64 'x402':11,26,41,107 'x402 API' 'x402-payment'","prices":[{"id":"e11980f7-57c3-4a43-ba39-0d965d58a489","listingId":"b9bf6e7a-a37f-429f-86c4-ab970db9640c","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/generate/resource/125","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:37:25.172Z"}],"sources":[{"listingId":"b9bf6e7a-a37f-429f-86c4-ab970db9640c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/generate/resource/125","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:37:25.172Z","lastSeenAt":"2026-04-22T12:03:12.569Z"}],"details":{"listingId":"b9bf6e7a-a37f-429f-86c4-ab970db9640c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/125 \\\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 advertising 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/generate/resource/125"},{"claim":"All endpoints priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Provider offers endpoints across data & analytics, AI & ML, finance & Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/generate/resource/125"}],"useCases":["Accessing premium API resources without traditional API key registration","Making one-off paid API calls settled in USDC on Base","Agent-driven workflows that need keyless, per-request billing"],"bestFor":["Developers who want instant API access without signup or API keys","AI agents that can settle x402 payments autonomously on Base","Users who prefer pay-per-use pricing with no commitments"],"notFor":["Users who need detailed documentation or well-defined schemas before integrating","High-volume use cases where per-request crypto settlement overhead matters","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:45.012Z"},"updatedAt":"2026-04-22T12:03:12.569Z"}}