{"id":"cf7f2085-2a88-471d-8b09-076ba62b3dbe","shortId":"7fVWSv","kind":"x402","title":"Pay-per-request API platform on Base network via x402, $0.02/call in USDC.","tagline":"Pay-per-request API platform on Base network via x402, $0.02/call in USDC.","description":"lowpaymentfee.com is a pay-per-request API platform that uses the x402 protocol to gate access to a variety of endpoints. The specific endpoint at `/api/v1/orders/94` is labeled \"Premium API Access\" and accepts POST requests, settling payments in USDC on the Base network. The x402 challenge indicates a maximum amount of 20,000 base units of USDC (6 decimals), which equals $0.02 per request. No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nThe broader platform advertises endpoints across four categories: 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 $0.02 per request. However, the specific endpoint probed (`/api/v1/orders/94`) is described only as \"Premium API Access\" with no further documentation on what data or functionality it returns.\n\nDocumentation is extremely sparse. The /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no additional content. There is no OpenAPI schema, no request/response examples, and no detailed description of what the `/api/v1/orders/94` endpoint actually does or what input it expects. The endpoint is confirmed live (402 challenge returned), but the lack of documentation makes it difficult to determine its actual utility.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key","post-endpoint"],"categories":["api-gateway","infrastructure"],"synonyms":["x402 API","pay per call API","USDC API access","Base network API","micropayment API","lowpaymentfee","402 payment API"],"warnings":["No documentation available — /docs, /api, /pricing, and /README pages all show only 'Connect wallet'","No OpenAPI or schema describing request parameters or response format for this endpoint","The purpose of /api/v1/orders/94 ('Premium API Access') is completely undocumented","Cannot verify what data or functionality is returned after payment"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/94","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/orders/94","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 ($0.02 USDC on Base). However, there is no documentation, no OpenAPI schema, no request/response examples, and no explanation of what the /api/v1/orders/94 endpoint actually returns. The docs pages are all empty beyond a wallet connect prompt. This is 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":"2026-04-18T23:50:15.397Z","embedding":[-0.01625061,-0.033721924,0.017410278,0.00932312,0.016159058,-0.037322998,-0.035888672,0.019622803,0.068359375,-0.061157227,0.019088745,-0.046203613,-0.03643799,-0.023376465,-0.014381409,0.004673004,0.012207031,0.006866455,-0.042175293,0.043945312,0.03186035,-0.0046958923,-0.031829834,0.014976501,0.0065193176,-0.014854431,0.0020332336,-0.0049934387,-0.014770508,-0.039916992,0.043640137,-0.029388428,-0.00027418137,0.014785767,-0.010124207,-0.01436615,-0.0011005402,0.050994873,0.034179688,0.0064582825,-0.005115509,-0.06719971,0.0003838539,-0.02027893,-0.046051025,0.0066184998,0.0132751465,-0.022705078,-0.0048980713,-0.0031814575,-0.040618896,0.01423645,-0.018432617,0.017593384,0.0040779114,0.008483887,-0.013442993,-0.009529114,-0.0041236877,0.022125244,-0.006587982,-0.05984497,-0.015083313,-0.0018415451,0.0035991669,0.049926758,-0.012413025,0.029708862,0.016159058,0.06890869,0.025619507,0.04840088,0.030517578,0.0052223206,0.003622055,-0.005542755,0.004837036,0.069885254,-0.0005440712,-0.029006958,-0.031433105,-0.0146484375,-0.055786133,-0.018295288,-0.022201538,-0.052856445,-0.02168274,0.015731812,-0.023635864,0.013908386,-0.0670166,0.0074424744,-0.0037574768,0.012878418,0.0053520203,-0.020324707,-0.014945984,0.03515625,-0.011787415,0.029541016,-0.0088272095,-0.048187256,0.007549286,0.002462387,0.04660034,0.06512451,0.019378662,0.018569946,0.02168274,-0.02848816,-0.030014038,0.014770508,-0.01399231,-0.015411377,0.004322052,0.0016927719,-0.020568848,0.0034561157,-0.020965576,0.029388428,-0.052947998,0.051940918,0.017623901,-0.006549835,-0.0028762817,-0.046295166,-0.018310547,-0.0012750626,-0.010421753,-0.007904053,0.03237915,0.010169983,0.032440186,-0.021759033,-0.039642334,0.021224976,-0.0118637085,-0.011909485,-0.053466797,-0.030731201,0.034362793,-0.025741577,0.016433716,0.039276123,-0.095336914,0.0007338524,-0.039489746,0.005744934,-0.025787354,-0.010444641,-0.009735107,0.024551392,-0.007156372,-0.024429321,-0.027740479,-0.024246216,0.011512756,0.031173706,-0.014343262,0.04486084,-0.01878357,0.02041626,0.023971558,0.0030956268,0.019866943,0.021942139,-0.0013380051,-0.07550049,-0.08685303,-0.029525757,-0.007965088,0.0027751923,-0.029037476,0.0044288635,0.005897522,-0.057891846,-0.015930176,-0.015182495,-0.0014696121,-0.051116943,0.0069465637,-0.022979736,0.01524353,-0.008598328,-0.06829834,-0.029922485,-0.048553467,0.05871582,0.0151901245,0.02229309,0.019699097,-0.003194809,0.059051514,0.020492554,-0.00674057,-0.026977539,0.011795044,-0.029632568,0.022949219,-0.0021781921,0.010620117,-0.027923584,0.035339355,0.07196045,0.0019664764,-0.023757935,-0.008293152,-0.066589355,-0.04034424,-0.03100586,0.021057129,0.015151978,-0.0071983337,0.028945923,-0.024642944,-0.043884277,-0.009437561,0.01689148,0.023773193,0.060760498,0.008323669,-0.009361267,0.026489258,0.019302368,-0.05203247,0.059295654,0.04296875,0.007965088,-0.03729248,-0.036071777,0.034942627,0.057373047,-0.026412964,0.009666443,-0.020355225,0.023117065,-0.02015686,0.0025177002,0.015701294,-0.016220093,-0.010437012,-0.03111267,-0.022583008,0.021240234,0.013015747,-0.029815674,-0.037963867,-0.068847656,0.04840088,0.03048706,0.04711914,-0.008338928,0.0018568039,-0.030273438,-0.024398804,-0.07019043,0.055267334,0.06842041,-0.020065308,0.00258255,0.0184021,0.010093689,-0.022705078,0.0138168335,-0.0026359558,-0.020629883,-0.022155762,0.00178051,-0.04547119,0.00000500679,0.01638794,0.036071777,0.04345703,-0.005130768,-0.053527832,-0.012825012,-0.009460449,-0.00982666,-0.017974854,0.005569458,0.00056648254,-0.002374649,0.030578613,0.0073127747,0.011749268,0.0034446716,0.004901886,-0.0007586479,0.0059776306,-0.0018529892,-0.023788452,0.015274048,-0.00046634674,-0.07080078,0.012199402,-0.009628296,0.07562256,-0.050048828,0.038360596,-0.0076828003,0.025161743,0.039794922,-0.014312744,-0.031463623,0.0058784485,0.022476196,0.011833191,0.045166016,0.0030136108,-0.020004272,-0.013938904,0.076049805,-0.012794495,-0.0058517456,0.0034637451,0.02053833,0.04171753,0.0022411346,-0.051330566,-0.040924072,-0.0025043488,-0.03918457,0.024978638,-0.01878357,0.035827637,-0.021774292,0.0015354156,-0.023544312,-0.011024475,-0.026931763,0.0077934265,-0.011894226,0.010261536,-0.025115967,-0.02973938,0.010559082,0.037475586,-0.010154724,0.022232056,0.026657104,0.025878906,-0.012992859,-0.031951904,-0.02507019,-0.022735596,0.0038890839,0.012039185,0.015380859,0.02671814,0.05496216,-0.042510986,0.0060539246,0.025146484,0.005443573,0.03149414,-0.011817932,0.009552002,-0.07196045,-0.05026245,-0.02432251,-0.040374756,0.0340271,0.0043754578,-0.014770508,0.05117798,0.011154175,-0.019226074,-0.041503906,0.013313293,-0.050445557,0.00374794,0.047454834,-0.017425537,-0.025894165,0.004585266,-0.010887146,0.015571594,0.03894043,0.012817383,0.033416748,0.07220459,0.0413208,0.011299133,0.038482666,0.0068740845,0.02709961,0.0041885376,-0.022872925,-0.028198242,-0.016571045,0.02809143,-0.021057129,-0.016708374,-0.054626465,0.04989624,0.036010742,0.0859375,0.0068359375,0.008575439,0.040161133,-0.013381958,-0.00027418137,-0.017166138,-0.010528564,-0.028823853,-0.0501709,0.028762817,-0.022521973,0.001830101,-0.015777588,0.04058838,-0.0025081635,0.021713257,-0.026885986,0.041656494,-0.015975952,0.012275696,0.012886047,0.0020523071,0.05142212,0.057250977,-0.046844482,0.013404846,0.01876831,-0.024719238,0.0014696121,0.034484863,-0.024963379,-0.023910522,-0.058441162,-0.03277588,-0.008178711,0.012794495,-0.05102539,0.0056991577,0.010475159,0.01687622,0.009460449,-0.0058403015,-0.020889282,0.0032787323,-0.024246216,-0.057647705,-0.0006108284,-0.036865234,0.004840851,0.045288086,-0.012283325,-0.004760742,0.0028839111,-0.0041999817,-0.0045394897,0.03463745,0.02041626,0.007286072,-0.037994385,0.01902771,0.0046920776,0.0058937073,0.02507019,0.030303955,0.042022705,0.030029297,0.04800415,0.016815186,-0.01474762,-0.06185913,0.01020813,-0.046142578,0.006996155,0.0034637451,-0.028381348,0.0021324158,-0.029525757,-0.036376953,-0.021759033,0.015701294,-0.031188965,0.0070495605,0.035949707,-0.02507019,-0.021652222,-0.05529785,-0.027282715,0.0053977966,0.07507324,0.024673462,0.0042266846,-0.06616211,-0.011047363,0.019134521,0.009124756,0.024658203,-0.015808105,-0.012336731,-0.03250122,-0.03955078,-0.028030396,-0.018997192,0.034484863,-0.00057554245,-0.009292603,0.019256592,-0.00033521652,0.014122009,-0.0021476746,-0.0031414032,0.024795532,-0.017196655,-0.00566864,-0.013641357,0.040252686,0.0062408447,-0.0095825195,-0.046203613,0.04534912,0.015167236,0.04421997,-0.046051025,-0.006298065,-0.021484375,0.016357422,0.017623901,-0.004486084,0.0038986206,-0.0037231445,-0.048797607,-0.06222534,0.03793335,-0.017105103,0.021331787,0.016525269,0.010383606,0.030334473,-0.0042648315,0.0022277832,0.017440796,-0.033599854,-0.008308411,-0.009162903,-0.037994385,-0.028823853,-0.01651001,-0.022125244,0.03564453,-0.014556885,0.026397705,0.010917664,-0.018081665,0.034729004,0.0014514923,0.0067634583,0.016189575,0.010566711,0.017120361,0.044830322,0.012741089,-0.054626465,0.031829834,0.0017824173,0.017929077,0.0025157928,0.041381836,0.030334473,-0.011291504,-0.003124237,-0.010856628,-0.022964478,-0.027648926,-0.005191803,0.006313324,0.011581421,-0.0040130615,-0.041778564,0.016799927,0.016708374,-0.025726318,-0.03692627,0.01474762,0.008666992,-0.037719727,0.013061523,0.029418945,0.06311035,-0.022033691,0.003578186,0.0011329651,0.029251099,0.026748657,0.02142334,-0.013999939,0.020828247,-0.006755829,0.0052604675,0.001077652,-0.015487671,0.012756348,0.0034942627,0.02545166,0.016983032,0.0038223267,-0.028305054,-0.03366089,0.0014877319,-0.019332886,-0.027999878,0.028686523,0.022644043,0.03378296,-0.023498535,0.020736694,0.017089844,-0.027236938,-0.018356323,-0.019332886,0.04849243,-0.015655518,-0.013420105,0.011299133,0.022903442,0.028701782,-0.05014038,-0.009262085,0.013076782,0.016586304,-0.021347046,-0.038269043,-0.029144287,-0.010269165,0.04284668,0.017700195,0.006038666,0.032806396,0.005672455,0.021469116,0.021316528,0.005645752,-0.009536743,-0.019638062,-0.041748047,-0.014945984,-0.006286621,0.0053367615,-0.03338623,0.013763428,-0.004749298,-0.024459839,0.0059928894,-0.024627686,0.0041007996,-0.014572144,0.004184723,0.029174805,0.004501343,0.022857666,-0.016540527,-0.035858154,-0.008239746,0.0155181885,0.017303467,-0.04562378,0.0121154785,-0.015777588,-0.010032654,-0.00630188,0.014167786,0.0102005005,0.027572632,0.007610321,0.049438477,-0.036834717,0.042663574,-0.0335083,0.0077056885,-0.010322571,-0.042785645,-0.009925842,-0.024993896,-0.01411438,0.03866577,-0.025650024,-0.0018939972,-0.021240234,-0.03717041,-0.0181427,-0.06512451,0.015235901,0.038482666,0.03591919,-0.020202637,-0.007621765,0.0014762878,0.011329651,-0.02279663,0.0002156496,-0.01499176,0.030471802,0.032562256,0.001206398,-0.0345459,-0.028137207,-0.016540527,0.0014820099,-0.045562744,-0.048736572,-0.011756897,0.0015897751,-0.0090408325,-0.0023422241,-0.027236938,-0.03793335,0.0010499954,-0.033233643,0.012084961,-0.0044822693,0.016464233,0.0008120537,-0.025741577,-0.007118225,0.011230469,-0.01763916,0.030380249,0.0014476776,-0.018630981,-0.040985107,0.010673523,0.037750244,0.03036499,-0.0042762756,-0.0118637085,0.000893116,-0.018920898,-0.03866577,-0.0064315796,-0.009178162,-0.009689331,-0.007083893,0.006160736,-0.0496521,-0.0055618286,-0.033081055,-0.0021533966,0.025497437,0.01676941,0.016662598,-0.005935669,0.004261017,0.0021343231,-0.0017538071,-0.033111572,0.012237549,0.011734009,0.008911133,0.022079468,0.04888916,-0.007156372,-0.01638794,-0.00078868866,-0.0012397766,0.017944336,-0.025131226,0.0121536255,-0.025146484,0.008338928,-0.00037240982,-0.0088272095,-0.03866577,-0.0008778572,0.07739258,-0.003452301,0.0022201538,-0.008995056,-0.012397766,0.024505615,0.02281189,-0.032073975,-0.00749588,-0.012619019,0.019241333,-0.01638794,0.004917145,-0.0045547485,0.022399902,-0.018112183,-0.05432129,-0.019348145,-0.003276825,-0.016662598,-0.05670166,-0.023635864,-0.08190918,-0.0051078796,-0.008613586,-0.021774292,0.0027618408,0.0064964294,-0.018997192,-0.073913574,-0.0015039444,0.04827881,0.00705719,0.029953003,-0.01184082,0.024047852,0.029922485,-0.042297363,-0.012138367,0.030197144,-0.02470398,-0.026519775,-0.025268555,0.023269653,-0.016494751,-0.010253906,0.012161255,0.0030384064,0.012756348,-0.011207581,0.0066375732,-0.015258789,0.01663208,-0.01713562,0.021240234,-0.012413025,-0.02949524,0.042297363,-0.05569458,0.031143188,0.0025043488,-0.00983429,0.0037956238,0.029281616,0.026535034,-0.03817749,-0.014152527,0.02633667,0.017105103,0.021713257,-0.01512146,0.04751587,0.006603241,-0.01550293,0.007820129,-0.0011749268,-0.027328491,-0.04675293,-0.033050537,0.010772705,-0.00422287,0.017059326,-0.014099121,-0.00041127205,0.018173218,0.0032978058,0.012184143,-0.017623901,-0.034301758,-0.028381348,-0.001660347,0.0065994263,0.011253357,-0.0010728836,0.03062439,0.035003662,0.035827637,0.0064735413,-0.007171631,0.028060913,0.03253174,-0.017349243,0.009506226,0.02053833,-0.0036697388,0.02418518,0.015808105,0.014167786,-0.051452637,-0.019470215,-0.028305054,0.0015745163,-0.0063323975,-0.009796143,-0.010124207,-0.00869751,-0.0013551712,0.008255005,-0.039733887,0.007911682,-0.026565552,-0.017684937,-0.0059318542,-0.01121521,0.020477295,0.017410278,-0.0059127808,0.01133728,-0.0035209656,0.046295166,-0.007575989,-0.009216309,0.021606445,0.043792725,0.029922485,-0.026397705,-0.011421204,-0.0037136078,0.0038051605,0.0066986084,-0.02911377,0.0134887695,0.04498291,-0.014137268,-0.0066566467,-0.0044059753,0.031402588,-0.0074005127,0.014503479,-0.016494751,0.017456055,-0.007446289,0.042999268,-0.047729492,0.005844116,0.012992859,0.010658264,-0.004333496,-0.0050849915,-0.02305603,0.020935059,0.0013723373,-0.0042495728,0.049865723,-0.0042648315,0.02519226,-0.02835083,-0.03918457,0.0046806335,-0.015701294,-0.012588501,0.028442383,-0.012641907,0.008255005,0.01953125,-0.019882202,0.03967285,-0.031219482,0.015853882,0.0045204163,0.01184082,-0.009819031,-0.017929077,-0.01234436,-0.009841919,-0.013168335,-0.001168251,-0.0051345825,0.04168701,0.02645874,0.021865845,0.046661377,0.008811951,0.007549286,-0.039764404,-0.030303955,0.0009636879,-0.009986877,0.017105103,-0.024917603,0.04119873,0.034423828,0.012893677,0.037322998,0.031402588,0.041625977,0.008834839,0.0025119781,-0.0060806274,0.009712219,-0.011566162,0.027145386,-0.0056877136,0.039733887,-0.031402588,0.029174805,0.018737793,0.030975342,-0.023849487,0.03125,0.06585693,0.021438599,0.00541687,0.043640137,-0.015716553,-0.011039734,-0.016464233,-0.019363403,0.04714966,0.0061187744,0.0473938,0.04284668,0.00017893314,-0.0073661804,0.023788452,-0.029708862,-0.01852417,0.058380127,0.025802612,-0.032073975,-0.0019292831,0.0052833557,0.013549805,-0.039093018,-0.022949219,0.020065308,0.0012083054,0.006816864,-0.000030577183,-0.0016098022,-0.01737976,0.009498596,0.014015198,0.011390686,-0.013221741,0.023773193,0.032806396,-0.0023345947,0.031402588,0.003320694,0.023254395,-0.036987305,-0.017929077,0.013702393,0.006980896,-0.0027942657,-0.017227173,0.03100586,0.0039100647,0.03137207,0.03756714,-0.007144928,0.0053367615,0.0284729,0.006416321,-0.005382538,0.054229736,0.03692627,0.014122009,0.03918457,0.035217285,0.02822876,-0.046783447,0.010063171,-0.01852417,0.008964539,-0.018600464,-0.026168823,0.0048446655,-0.01763916,0.016693115,0.0068206787,-0.0056381226,0.03024292,0.041534424,-0.0016288757,-0.0019893646,-0.010215759,0.0013122559,-0.022125244,-0.010314941,0.010047913,-0.0054092407,0.037506104,0.014465332,0.040161133,-0.027023315,0.027542114,-0.0066223145,-0.015312195,0.0065307617,0.010314941,-0.034454346,0.004211426,-0.0029239655,0.00680542,-0.046295166,0.005191803,0.027359009,-0.010505676,0.01574707,0.013870239,-0.00008559227,-0.011779785,0.023345947,0.020141602,-0.009048462,-0.0109939575,-0.018173218,0.034454346,0.03967285,-0.002357483,0.007949829,-0.023025513,0.0026664734,-0.004283905,-0.00920105,-0.0031585693,-0.00029802322,-0.011917114,-0.014892578,0.027160645,0.03564453,0.016983032,0.050109863,-0.014297485,-0.007797241,0.011459351,0.03616333,0.0028762817,-0.0026111603,0.0055503845,0.015045166,-0.019821167,0.046844482,0.027282715,0.004688263,0.016830444,-0.0042152405,-0.008140564,0.003774643,-0.025390625,0.014175415,-0.014884949,0.0018024445,-0.010650635,0.026321411,-0.017837524,-0.049865723,0.0038013458,-0.015396118,-0.013961792,-0.016036987,0.013999939,0.002210617,0.020553589,0.038848877,0.018325806,-0.024169922,0.0635376,-0.021316528,0.05834961,-0.0056533813,-0.008293152,0.048919678,0.0158844,0.037475586,0.008659363,0.017471313,-0.03062439,0.026367188,0.039886475,0.027877808,0.012748718,-0.00083875656,-0.013809204,0.044311523,-0.0009965897,0.03564453,-0.005191803,-0.0013561249,0.027709961,0.0069351196,-0.010734558,-0.0019931793,-0.013244629,0.005886078,0.04916382,-0.024612427,-0.010543823,-0.026626587,-0.014030457,0.025741577,-0.016281128,0.0029964447,0.007835388,-0.019805908,0.011688232,-0.024169922,-0.017318726,0.005130768,0.020385742,-0.053009033,-0.010429382,0.007381439,0.026016235,-0.023651123,0.027404785,0.022109985,-0.009895325,0.01524353,0.054260254,0.0038528442,0.035339355,-0.011650085,0.02355957,0.03012085,0.0067443848,-0.011955261,-0.003376007,0.019058228,-0.019332886,0.010528564,0.03970337,-0.013191223,-0.002872467,0.003993988,-0.006000519,0.0031433105,0.009513855,-0.0020656586,0.007446289,-0.008232117,-0.008430481,0.010383606,-0.0024986267,-0.00094366074,-0.0033073425,0.0020446777,-0.012535095,0.0129776,0.033477783,0.016921997,-0.033203125,0.008781433,0.010543823,-0.0003964901,-0.026275635,-0.023757935,-0.001162529,-0.026519775,0.017211914,0.008850098,0.022628784,0.01763916,-0.022659302,0.0042381287,0.026611328,0.019592285,0.008117676,0.0034809113,-0.006969452,0.017929077,-0.010887146,0.0010538101,0.00035190582,-0.008049011,-0.0075302124,0.011100769,-0.0041656494,-0.040374756,0.011009216,0.0015745163,0.0063476562,-0.0010204315,-0.020385742,0.014221191,-0.008010864,-0.0034942627,0.0025539398,0.008529663,-0.01689148,-0.012718201,-0.017105103,0.049041748,0.058166504,-0.014221191,-0.014976501,0.016540527,0.018981934,0.017562866,0.03314209,0.0045394897,0.03778076,0.023147583,-0.012786865,-0.02027893,0.016464233,-0.021835327,-0.016571045,0.009414673,-0.028030396,-0.015838623,0.010482788,0.0037841797,-0.005256653,-0.030014038,-0.01272583,-0.017593384,-0.020141602,0.021911621,-0.003692627,0.009086609,-0.025283813,-0.01663208,0.016159058,-0.02760315,-0.04095459,-0.031173706,-0.005428314,-0.018173218,-0.058502197,0.0056114197,-0.02810669,0.011833191,-0.021118164,-0.0047721863,-0.0059165955,0.015029907,-0.006248474,-0.00097084045,0.0073394775,0.020812988,0.017745972,0.011192322,0.026168823,-0.025131226,-0.0287323,-0.026916504,-0.004306793,-0.007286072,0.02003479,0.0054359436,0.03869629,0.020431519,-0.0066719055,-0.0028591156,-0.016494751,0.0009741783,-0.016555786,-0.027755737,-0.02130127,0.020858765,0.0140686035,-0.011741638,-0.0072517395,0.04107666,-0.024627686,-0.024169922,0.026519775,0.038360596,0.009597778,0.02255249,-0.013999939,-0.0060806274,-0.008903503,-0.009819031,-0.012786865,0.0121536255,0.0005135536,-0.0051612854,-0.0042419434,0.00067281723,0.032470703,-0.018218994,-0.013465881,0.036987305,0.013694763,-0.00283432,0.0446167,0.019241333,0.011207581,-0.013061523,-0.0077056885,0.029083252,0.047912598,0.015975952,0.0082092285,-0.000045776367,0.0052490234,-0.014694214,0.010383606,0.0154800415,-0.015464783,-0.04321289,-0.0055160522,-0.024932861,0.02432251,-0.00037550926,0.023544312,-0.017089844,0.015914917,-0.007751465,-0.031433105,-0.02659607,0.032714844,0.014297485,-0.007129669,-0.01651001,0.010810852,-0.0015916824,-0.039489746,-0.00484848,-0.040802002,-0.02746582,-0.015068054,-0.011932373,0.031463623,0.019515991,-0.008712769,-0.0055160522,-0.003408432,-0.008049011,0.0009822845,0.023880005,-0.0107421875,-0.0019760132,0.029174805,0.015991211,-0.023010254,0.021728516,0.0021648407,0.0019664764,0.0046463013,-0.013084412,0.023895264,-0.011207581,0.03488159,-0.012825012,-0.020477295,0.019348145,-0.0011463165,0.02078247,-0.040252686,0.008903503,-0.004337311,0.0019550323,0.03213501,-0.029281616,-0.018630981,0.009399414,-0.020187378,-0.02230835,0.0068511963,0.021194458,0.022872925,-0.016021729,0.039398193,-0.021194458,-0.004055023,0.0065612793,0.019485474,-0.010246277,0.005519867,0.04119873,-0.004146576,-0.0022087097,0.007118225,-0.02053833,-0.035491943,-0.0024356842,0.017105103,-0.009979248,-0.012397766,0.022750854,0.0070610046,0.050476074,-0.008224487,0.012756348,0.022903442,-0.0065689087,0.026855469,0.000702858,0.04989624,0.01348114,-0.032684326,0.003835678,0.00058221817,-0.033721924,0.005508423,-0.011360168,0.010002136,-0.01965332,0.0059928894,-0.015716553,0.02029419,-0.016738892,0.0021076202,-0.018920898,-0.015625,-0.033447266,0.0018348694,-0.026153564,0.004085541,0.035980225,0.002166748,0.01663208,0.0030918121,-0.01939392,0.021316528,0.05633545,-0.012298584,-0.0287323,-0.018310547,0.008384705,-0.008453369,0.01586914,0.0036468506,-0.03086853,-0.02456665,0.010269165,-0.010612488,-0.0007724762,-0.008964539,0.015533447,0.0071907043,0.0036792755,-0.0066871643,0.033294678,-0.0010175705,0.005153656,0.005016327,0.005592346,0.025512695,0.032043457,-0.009971619,0.015235901,0.019195557,-0.0395813,0.0602417,-0.005432129,0.025039673,-0.024551392,0.0010166168,-0.030136108,-0.03137207,-0.013961792,-0.013832092],"createdAt":"2026-04-18T18:38:46.556Z","updatedAt":"2026-04-24T10:32:15.636Z","lastSeenAt":"2026-04-24T10:32:15.636Z","tsv":"'/api':197 '/api/v1/orders/94':57,172,228 '/call':13,28 '/docs':196 '/pricing':198 '/readme':200 '0.02':12,27,93,164 '000':84 '20':83 '402':242 '402 payment API' '6':89 'Base network API' 'USDC API access' 'accept':64 'access':47,62,179 'across':123 'actual':230,256 'addit':211 'advertis':121 'ai':133 'amount':81 'analysi':137 'analyt':127 'api':5,20,38,61,97,178 'attach':106 'base':8,23,73,85 'base-network' 'broader':119 'caller':104 'categori':125 'challeng':77,243 'classif':140 'confirm':240 'connect':206 'content':212 'convers':157 'data':126,130,186 'decim':90 'describ':174 'descript':224 'detail':223 'determin':254 'difficult':252 'document':183,191,249 'embed':141 'endpoint':52,55,122,160,170,229,238 'equal':92 'estim':151 'exampl':220 'exchang':146 'expect':236 'export':131 'extrem':193 'feed':145 'financ':142 'four':124 'function':188 'gas':150 'gate':46 'generat':158 'geocod':155 'header':111 'howev':167 'indic':78 'infrastructur':153 'input':234 'insight':132 'key':98 'label':59 'lack':247 'learn':135 'limit':101 'list':162 'live':241 'lowpaymentfee' 'lowpaymentfee.com':31 'machin':134 'make':250 'maximum':80 'metric':128 'micropayment API' 'network':9,24,74 'no-api-key' 'openapi':216 'page':201 'pay':2,17,35 'pay per call API' 'pay-per-request':1,16,34 'payment':68,110,116 'per':3,18,36,94,165 'platform':6,21,39,120 'post':65 'post-endpoint' 'premium':60,177 'price':144 'probe':171 'prompt':208 'proof':117 'protocol':44 'quot':149 'rate':100,147 'render':203 'report':129 'request':4,19,37,66,95,166 'request/response':219 'requir':103 'return':190,244 'schema':217 'sentiment':136 'settl':67 'simpli':105 'spars':194 'specif':54,169 'summar':139 'text':138 'token':148 'unit':86 'usdc':15,30,70,88 'usdc-settlement' 'use':41 'util':154,257 'valid':114,156 'varieti':50 'via':10,25 'wallet':207 'web3':143 'x':109 'x-payment':108 'x402':11,26,43,76,115 'x402 API' 'x402-payment'","prices":[{"id":"c4faae51-a488-4d6b-8a7f-7fb0dd747217","listingId":"cf7f2085-2a88-471d-8b09-076ba62b3dbe","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/orders/94","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:38:46.556Z"}],"sources":[{"listingId":"cf7f2085-2a88-471d-8b09-076ba62b3dbe","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/94","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:38:46.556Z","lastSeenAt":"2026-04-24T10:32:15.636Z"}],"details":{"listingId":"cf7f2085-2a88-471d-8b09-076ba62b3dbe","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/94 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-proof>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The x402 challenge returns maxAmountRequired of 20000 base units of USDC (USD Coin) on Base network","source_url":"https://lowpaymentfee.com/api/v1/orders/94"},{"claim":"All endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The platform offers endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/orders/94"}],"useCases":["Accessing premium API data with per-request USDC micropayments on Base","Agent-driven API consumption without pre-registration or API keys","Programmatic pay-as-you-go access to analytics, AI, finance, or utility endpoints"],"bestFor":["Developers wanting zero-commitment, pay-per-use API access","AI agents that can settle x402 payments autonomously on Base","Users who prefer crypto micropayments over subscription billing"],"notFor":["Users who need detailed API documentation or OpenAPI specs before integrating","High-volume consumers who would benefit from bulk pricing or subscriptions","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:40.777Z"},"updatedAt":"2026-04-24T10:32:15.636Z"}}