{"id":"668db182-6816-4f05-af06-1e6792e0d3d7","shortId":"Vu5vpv","kind":"x402","title":"Pay-per-call HR document endpoint on Base via x402, settling in USDC at $0.02/request.","tagline":"Pay-per-call HR document endpoint on Base via x402, settling in USDC at $0.02/request.","description":"This x402-enabled endpoint at `/api/v1/hr/documents/3` is part of a broader suite of pay-per-request APIs hosted on lowpaymentfee.com. The endpoint accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) through the x402 \"exact\" scheme. The maximum amount required per call is 20,000 base units of USDC (6 decimals), which equals $0.02 USD.\n\nThe provider's landing page advertises a wide catalog of endpoints spanning data & analytics, AI/ML (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation) — all priced at $0.02 per request. The specific endpoint probed here falls under an \"HR documents\" path, but no further documentation describes the request body schema or the response payload for this particular resource. There are no API keys, no rate limits, and no signup required; access is gated entirely by the x402 payment header.\n\nBecause no OpenAPI spec, request/response examples, or detailed documentation were found for this endpoint (or any endpoint on the site), the actual functionality behind `/api/v1/hr/documents/3` remains unclear. The crawl of /api, /pricing, and /README pages returned only a \"Connect wallet\" prompt with no additional content.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key","json-response","hr-documents"],"categories":["data","infrastructure"],"synonyms":["pay per call API","x402 API","USDC micropayment API","low fee API","Base network API","HR document API","crypto-paid endpoint"],"warnings":["No OpenAPI or schema documentation available for any endpoint on this provider","The specific resource /api/v1/hr/documents/3 has no description beyond 'Premium API Access' — actual functionality is unknown","No request body schema or response examples could be found","The /api, /pricing, and /README pages returned no useful content"],"endpointUrl":"https://lowpaymentfee.com/api/v1/hr/documents/3","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/hr/documents/3","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 no OpenAPI spec, no request/response schema, no documentation for what this HR documents endpoint actually returns, and the crawled pages beyond the landing page are empty. 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":"2026-04-21T21:23:25.261Z","embedding":[-0.041503906,-0.0062561035,0.051727295,0.013412476,0.016723633,-0.044891357,0.0006542206,0.017044067,0.08282471,-0.07550049,0.022216797,-0.032348633,-0.011634827,-0.022872925,-0.011390686,0.033447266,0.00434494,-0.00042152405,-0.013076782,0.009292603,0.02798462,0.007446289,-0.041137695,0.02671814,-0.013877869,-0.003616333,-0.016540527,-0.0057754517,-0.01902771,-0.08898926,0.028076172,-0.021881104,-0.02935791,-0.0093307495,-0.03289795,0.011940002,-0.0039863586,0.05847168,0.013320923,-0.0042762756,-0.004951477,-0.0491333,0.008834839,-0.012611389,-0.06878662,-0.014961243,0.0031986237,0.006996155,0.020355225,-0.0055122375,-0.04650879,-0.0018663406,-0.010314941,0.040893555,0.012489319,0.01701355,0.0049438477,-0.029312134,0.011917114,0.009277344,0.029769897,-0.07104492,-0.0018882751,-0.011772156,0.0051651,0.054504395,-0.028793335,0.038238525,0.00046229362,0.044006348,0.04812622,0.062347412,0.0236969,0.02798462,0.012290955,-0.008361816,-0.0024204254,0.050445557,-0.03439331,-0.02154541,-0.021224976,-0.003112793,-0.035705566,-0.009361267,-0.046203613,-0.054595947,-0.002122879,0.017288208,-0.03439331,0.0027217865,-0.08929443,0.00036740303,0.038848877,0.01260376,0.0073776245,-0.050872803,-0.052246094,0.0006184578,0.008628845,0.0107040405,-0.0014038086,-0.052734375,0.012969971,0.0059280396,0.025772095,0.04159546,0.016967773,0.014465332,0.03302002,-0.026901245,-0.034851074,0.032562256,-0.020935059,0.016052246,-0.0037174225,0.016021729,-0.040771484,0.010848999,-0.04550171,0.011505127,-0.031921387,0.019943237,0.0048980713,0.0034389496,0.0018291473,-0.025054932,-0.03189087,0.026855469,-0.042877197,-0.002670288,0.0158844,0.012962341,0.018615723,-0.050323486,-0.00573349,-0.017333984,-0.021362305,-0.015731812,-0.039031982,-0.044830322,0.045959473,-0.03527832,-0.0011348724,0.026000977,-0.11071777,0.012908936,-0.039031982,-0.0010700226,-0.02507019,-0.005279541,-0.020446777,0.011131287,-0.013763428,-0.00667572,-0.0023860931,-0.022338867,0.018508911,0.026046753,-0.013824463,0.056762695,-0.01701355,0.041534424,0.024642944,0.01889038,0.038909912,0.023712158,0.009742737,-0.08148193,-0.08850098,-0.025360107,-0.021865845,-0.04373169,-0.030944824,0.014167786,-0.011550903,-0.045074463,0.0010414124,-0.012145996,0.0004632473,-0.015312195,0.0072669983,-0.038726807,-0.01612854,-0.005432129,-0.05065918,-0.039489746,-0.046905518,0.06378174,0.0015830994,0.029846191,0.05029297,0.001241684,0.03527832,-0.02961731,0.008903503,-0.01687622,0.024108887,-0.047332764,0.005973816,-0.0042877197,0.030944824,-0.017715454,0.02659607,0.047973633,-0.02619934,-0.02748108,-0.016464233,-0.022598267,-0.018859863,-0.028182983,0.029968262,0.02658081,0.005584717,0.032165527,-0.027832031,-0.043060303,0.004383087,0.022720337,0.01966858,0.03286743,0.021438599,0.012367249,0.021820068,0.016845703,-0.051940918,0.024383545,0.002916336,-0.023498535,0.0030326843,-0.015075684,0.014030457,0.044952393,-0.00020062923,0.01461792,-0.0012283325,0.014846802,-0.01424408,0.0079956055,-0.01965332,-0.024414062,-0.033721924,-0.016952515,-0.020507812,0.018661499,0.01625061,-0.0158844,-0.030212402,-0.09057617,0.07678223,0.019805908,0.024475098,-0.03326416,0.00737381,-0.0075302124,-0.026931763,-0.033233643,0.021865845,0.050323486,0.010559082,-0.017532349,0.0178833,-0.0031414032,-0.016204834,0.020614624,-0.014892578,-0.023406982,-0.016448975,0.0010766983,-0.047576904,0.009056091,0.0137786865,0.028457642,0.049835205,-0.025817871,-0.074279785,-0.0048599243,-0.000228405,0.0013275146,-0.0340271,0.0028457642,-0.0021877289,0.041168213,0.015083313,-0.013137817,0.027954102,0.0059127808,-0.0051651,0.020019531,0.004562378,0.018798828,-0.020050049,0.015449524,0.0262146,-0.081726074,0.007827759,0.026367188,0.061431885,-0.053497314,0.057006836,-0.021499634,0.011871338,0.06707764,0.0018949509,-0.03778076,0.0027332306,0.024230957,0.011650085,0.030395508,0.004589081,-0.019500732,-0.012069702,0.059173584,-0.033416748,-0.031585693,0.011512756,0.013320923,0.056121826,0.0075035095,-0.05783081,-0.03656006,0.017410278,-0.024291992,0.02255249,-0.026016235,0.015357971,-0.03479004,0.012664795,-0.01675415,-0.02229309,-0.025161743,-0.0036735535,-0.012504578,-0.00944519,0.005367279,-0.012809753,0.018966675,-0.011688232,0.018936157,0.0021533966,0.012817383,0.02659607,-0.01159668,-0.030593872,-0.048095703,-0.012290955,-0.025222778,0.026504517,0.0129470825,0.0042533875,0.04937744,-0.052001953,0.0103302,0.00274086,0.02357483,0.022140503,0.022918701,0.009475708,-0.08691406,-0.019760132,-0.008544922,-0.049682617,0.03074646,0.03125,-0.042297363,0.06781006,0.007221222,0.005783081,-0.0061416626,0.044921875,-0.02571106,-0.022003174,-0.009407043,-0.019485474,-0.021270752,-0.0095825195,-0.0058250427,0.00598526,0.045196533,0.014205933,0.025024414,0.048919678,0.031341553,-0.009857178,0.0007753372,0.011146545,0.021575928,-0.013389587,-0.0072517395,-0.02255249,-0.046447754,0.027938843,0.003967285,-0.0099105835,-0.06781006,0.041748047,0.013641357,0.052490234,0.024627686,0.005001068,0.022659302,-0.02268982,-0.010482788,-0.012321472,-0.038482666,-0.022918701,-0.06149292,0.008636475,-0.0058021545,0.025253296,-0.05014038,0.030593872,0.006259918,0.014427185,-0.012397766,0.059539795,-0.009223938,-0.0012683868,0.036315918,-0.0025157928,0.028411865,0.031143188,-0.030014038,0.03930664,0.027282715,-0.046173096,0.0069999695,0.038604736,-0.042816162,0.013061523,-0.036102295,-0.035949707,0.002254486,0.0211792,-0.052001953,-0.03439331,0.039245605,0.005466461,0.010360718,0.009048462,0.01386261,0.014694214,0.009689331,-0.049316406,0.01424408,-0.05899048,0.0072021484,0.060424805,-0.017227173,-0.008110046,0.01966858,0.0040130615,0.004753113,0.044036865,0.024505615,0.005340576,-0.027359009,0.051361084,0.013046265,-0.0042648315,0.022521973,0.049835205,0.023651123,0.023742676,0.030548096,-0.010131836,-0.04244995,-0.07318115,0.02619934,-0.046539307,-0.006160736,0.010627747,-0.046722412,0.01247406,-0.012718201,-0.017166138,-0.031097412,0.0031261444,-0.04788208,0.010971069,0.013320923,0.016738892,-0.03918457,-0.046691895,-0.032562256,0.008956909,0.07110596,0.028381348,0.015174866,-0.018447876,0.015449524,0.046905518,-0.0059776306,0.005027771,-0.013465881,-0.015159607,0.00079870224,-0.028289795,-0.0050582886,-0.00881958,0.035186768,-0.012191772,-0.04385376,0.026367188,0.006549835,0.029464722,0.04623413,-0.03189087,-0.00057315826,-0.037322998,-0.004787445,-0.014633179,0.05770874,0.0018177032,-0.0023555756,-0.052490234,0.015037537,0.01600647,0.046417236,-0.044403076,-0.00082588196,-0.008728027,0.0048065186,0.005393982,-0.014633179,-0.008995056,0.0076065063,-0.051239014,-0.037719727,0.035461426,-0.0135650635,0.015007019,-0.002456665,0.011009216,0.018295288,-0.00491333,-0.0043678284,0.0021800995,-0.013038635,-0.018951416,-0.025665283,-0.05001831,-0.026321411,0.0059814453,-0.0051956177,0.042419434,-0.0032215118,0.022857666,0.024505615,-0.0004749298,0.0033874512,0.0077171326,-0.005645752,0.0067825317,-0.006755829,-0.013916016,0.052001953,0.026855469,-0.026626587,0.043395996,0.0004093647,0.014945984,-0.017349243,0.0031013489,0.05178833,-0.021102905,0.005332947,-0.021621704,-0.0413208,-0.034332275,0.019836426,0.024963379,0.008003235,0.004421234,-0.038879395,0.02029419,0.005306244,-0.042236328,-0.028213501,0.032592773,0.015853882,-0.04626465,-0.009300232,0.017242432,0.018478394,-0.03189087,0.00687027,0.029281616,0.032592773,0.008773804,0.00630188,0.0064315796,0.026000977,0.013755798,0.009506226,0.005592346,-0.023849487,0.021835327,0.021148682,0.010734558,0.012634277,0.0032806396,-0.020446777,-0.039764404,-0.0065689087,0.00014019012,-0.022781372,0.02407837,-0.0005311966,0.018859863,-0.030899048,0.0045814514,0.008354187,-0.004623413,-0.018661499,0.009925842,0.028366089,-0.021972656,-0.021850586,0.016296387,0.020523071,0.027404785,-0.040405273,-0.009796143,-0.0011510849,0.00036358833,-0.032989502,-0.053710938,-0.024642944,-0.0140686035,0.021759033,-0.020004272,0.012870789,0.027175903,-0.01374054,-0.010688782,0.021331787,-0.0044021606,0.0088272095,-0.012321472,-0.024032593,0.00068187714,-0.0067863464,0.009017944,-0.020263672,0.025436401,-0.007095337,-0.03744507,-0.0005364418,-0.01979065,-0.0039634705,-0.021652222,-0.0072288513,0.004306793,0.02609253,0.033203125,-0.020111084,-0.05822754,-0.01802063,0.0046195984,0.014282227,-0.053009033,0.018127441,-0.0038394928,0.0024738312,0.014671326,0.043670654,0.01600647,0.068115234,0.004058838,0.018966675,-0.04147339,0.021575928,-0.0090789795,0.007160187,0.012870789,-0.025268555,-0.0063285828,-0.019989014,0.006046295,0.012664795,-0.002161026,-0.02911377,-0.0028324127,-0.041015625,-0.018936157,-0.050872803,0.044677734,0.022369385,0.041381836,0.00756073,0.008331299,0.0061569214,-0.00009769201,-0.008857727,-0.0014591217,-0.008888245,-0.0010023117,0.031173706,0.0073165894,-0.020767212,-0.028793335,-0.0058403015,0.0055351257,-0.035461426,-0.04360962,-0.026977539,-0.017196655,-0.003921509,0.0178833,-0.025741577,-0.01878357,-0.011711121,-0.015388489,0.0046653748,0.0003311634,-0.0077819824,-0.00340271,-0.011543274,0.0038528442,-0.008926392,0.006629944,0.03286743,0.009094238,-0.024002075,-0.020904541,0.00073480606,0.022201538,-0.019302368,-0.020080566,-0.010971069,-0.0019378662,-0.008621216,-0.05645752,0.0206604,-0.023651123,-0.0012321472,-0.040893555,0.0055160522,-0.0501709,0.001367569,-0.011482239,0.0010709763,0.00048089027,-0.00074768066,-0.027862549,-0.00072336197,0.014709473,-0.0027313232,-0.025375366,-0.021026611,0.009933472,0.009468079,-0.029922485,0.016662598,0.05545044,0.0044403076,-0.027709961,-0.008270264,0.03161621,-0.012550354,-0.012039185,0.019866943,-0.006893158,-0.0058403015,-0.01687622,-0.018585205,-0.035705566,0.009178162,0.051940918,0.0036239624,-0.004497528,-0.0102005005,-0.03387451,0.018615723,0.044006348,-0.036346436,-0.004043579,-0.02444458,0.036224365,-0.023895264,0.006538391,-0.032348633,0.015571594,-0.018463135,-0.043060303,-0.008270264,-0.009010315,-0.008018494,-0.050842285,-0.030288696,-0.06903076,0.03050232,-0.016281128,-0.011253357,0.022415161,-0.013038635,-0.023223877,-0.072631836,-0.0065727234,0.043701172,-0.018600464,0.018569946,0.004196167,0.024810791,0.007484436,-0.011116028,-0.0022525787,0.031829834,-0.032226562,-0.0046310425,-0.029418945,0.016815186,-0.009727478,-0.025939941,0.009170532,-0.004131317,0.008628845,-0.008926392,-0.02658081,0.0022792816,0.0056991577,-0.042541504,0.006214142,-0.0134887695,-0.0006456375,0.064331055,-0.05215454,-0.0035095215,0.0038394928,-0.013893127,0.015808105,0.014381409,0.035003662,-0.02444458,0.0011377335,0.008125305,0.03955078,0.0501709,-0.03237915,0.013038635,0.013259888,-0.051849365,0.0025959015,0.0061187744,0.0015354156,-0.05142212,0.0015602112,0.019302368,-0.021118164,-0.0011329651,-0.010612488,-0.0034999847,-0.017364502,-0.0011520386,0.002105713,0.0020370483,-0.026626587,-0.032348633,-0.018615723,-0.003227234,0.009216309,-0.01737976,0.007270813,0.025222778,0.036956787,-0.009628296,0.007843018,0.013641357,0.029541016,0.0030593872,0.023361206,0.0340271,0.0088272095,0.013587952,0.02130127,0.025527954,-0.030090332,0.008056641,-0.051879883,-0.02406311,-0.0045166016,0.008674622,0.008651733,0.020080566,0.0025978088,-0.013664246,-0.009628296,0.0071144104,-0.017166138,-0.020370483,-0.010528564,-0.018173218,0.017578125,-0.015640259,-0.0038528442,0.033325195,-0.0143966675,0.033325195,-0.005290985,-0.004398346,0.060638428,0.01876831,0.013412476,-0.017852783,0.006011963,0.0030021667,-0.013931274,0.0061454773,-0.0008163452,0.028137207,0.018936157,-0.031097412,0.0014953613,0.01576233,0.029769897,-0.0070381165,-0.0027484894,-0.014755249,0.008628845,-0.01247406,0.048461914,-0.045654297,0.02861023,-0.0050582886,0.0066490173,-0.010749817,0.020370483,-0.025924683,0.027008057,0.0052604675,0.008979797,0.038146973,-0.018722534,0.017425537,-0.021911621,-0.027359009,0.013664246,-0.005722046,-0.022628784,0.00042152405,-0.009246826,-0.0067749023,0.029281616,0.0011825562,0.04537964,-0.03024292,-0.009757996,-0.026367188,0.017471313,-0.01689148,-0.044769287,-0.00019848347,-0.000056922436,-0.012237549,-0.020126343,-0.024414062,0.046936035,0.021865845,0.028717041,0.055114746,0.03503418,0.02532959,-0.015655518,-0.018051147,0.012687683,0.0005054474,0.032836914,-0.0041656494,0.043792725,0.023727417,0.028137207,0.045928955,0.02671814,0.021636963,0.002149582,0.015449524,0.01146698,-0.009475708,-0.0011930466,0.016036987,-0.022537231,0.024642944,-0.01902771,0.0043029785,0.027709961,0.05316162,0.002588272,0.037597656,0.07763672,0.037506104,-0.004825592,0.024017334,-0.004550934,-0.0029716492,-0.022018433,-0.021728516,0.034362793,-0.01486969,0.050445557,0.013252258,0.019943237,0.010749817,0.008796692,-0.044189453,-0.0049476624,0.04043579,0.024902344,-0.020736694,0.0023326874,-0.0121154785,0.004310608,-0.0072021484,-0.032928467,0.021194458,-0.008934021,-0.0034656525,-0.032226562,0.0206604,0.00004798174,0.014945984,-0.005214691,0.0046463013,-0.033935547,0.0021190643,0.020370483,-0.0074424744,0.031799316,0.0013484955,0.024002075,0.008049011,-0.03250122,0.026000977,0.0287323,-0.009727478,-0.016784668,-0.0079422,0.00982666,0.03050232,0.054260254,-0.031204224,0.009292603,0.020492554,0.0013284683,-0.017547607,0.04525757,0.036895752,0.01171875,0.052734375,0.020263672,0.034851074,-0.03756714,0.013473511,0.013259888,0.010971069,-0.0058517456,0.009239197,0.012641907,-0.020584106,0.00995636,-0.00020039082,-0.011062622,0.018508911,0.023864746,-0.0059394836,0.011306763,-0.0060653687,0.010475159,-0.00088214874,-0.0037498474,0.03466797,0.008155823,0.015144348,0.013954163,0.05987549,-0.0014333725,0.040863037,-0.00046515465,-0.022232056,-0.0014667511,0.0016717911,-0.028961182,0.026748657,-0.01637268,0.011878967,-0.03829956,0.020446777,0.030548096,-0.0050201416,0.015655518,0.026168823,0.0031375885,-0.005428314,0.013931274,-0.0019483566,0.011734009,-0.012519836,-0.012084961,0.027786255,0.032836914,0.005821228,-0.017333984,0.0005226135,0.0057868958,0.012321472,-0.01739502,-0.023422241,0.018997192,-0.019622803,-0.02810669,-0.0056152344,0.021560669,-0.0011701584,0.03878784,-0.019729614,-0.012931824,-0.010498047,0.02557373,-0.018157959,-0.0051460266,-0.008613586,0.00009560585,0.000079751015,0.04458618,0.02709961,-0.0057792664,0.023742676,-0.0012044907,-0.028427124,0.016555786,-0.0020866394,0.026855469,-0.028076172,-0.014167786,-0.0054626465,0.008682251,-0.0049362183,-0.016952515,0.016342163,-0.008476257,-0.03604126,-0.012336731,0.017211914,0.0023403168,0.016830444,0.04901123,0.0057868958,-0.025222778,0.059539795,-0.0037937164,0.04269409,-0.016021729,0.008010864,0.048461914,0.03173828,0.04373169,0.040222168,-0.00217247,-0.029541016,0.009887695,0.008674622,0.041900635,0.0046157837,0.0020713806,-0.015075684,0.03591919,0.00491333,0.037353516,0.006412506,-0.0090408325,0.0107040405,-0.007472992,-0.0071525574,-0.007423401,0.010910034,0.013900757,0.03475952,-0.047454834,-0.008384705,-0.022338867,0.0072517395,0.027908325,-0.010978699,-0.0068626404,0.022033691,-0.023849487,0.012931824,-0.022216797,-0.017166138,0.014678955,0.018005371,-0.051483154,-0.016616821,-0.004096985,0.027297974,-0.0071029663,0.01802063,0.037597656,-0.013412476,0.011291504,0.049224854,-0.0045776367,0.016723633,-0.012908936,0.035186768,0.028808594,0.017532349,0.017089844,0.0158844,0.0070152283,-0.0054016113,0.011505127,0.021652222,-0.0023078918,0.0019140244,0.013252258,0.0053634644,-0.0013666153,0.00605011,-0.00233078,0.009757996,0.00018334389,-0.009353638,0.005657196,0.003932953,0.020614624,0.0009508133,-0.011749268,-0.035736084,0.0031871796,0.042663574,0.042785645,-0.041656494,0.03189087,0.010543823,0.0058059692,-0.018188477,-0.004951477,0.0040626526,-0.01651001,0.026275635,0.034332275,-0.0025100708,0.010467529,-0.012886047,-0.011146545,0.014678955,0.039123535,0.010543823,0.0017709732,0.021560669,0.018127441,-0.0158844,-0.012786865,-0.001083374,-0.012908936,-0.012649536,0.023040771,-0.005393982,-0.011940002,0.019592285,-0.014945984,-0.014709473,0.001411438,0.0030899048,0.0262146,0.002199173,0.005332947,-0.0040283203,0.0007033348,-0.030349731,-0.013504028,0.007843018,0.045410156,0.034332275,-0.0013980865,0.000110805035,0.0146102905,0.027328491,0.015991211,0.024383545,-0.0010223389,0.0109939575,0.024719238,-0.017623901,-0.020507812,0.029571533,-0.033050537,-0.040374756,-0.0010538101,-0.019012451,-0.009178162,0.014427185,0.025100708,0.00086021423,-0.008918762,0.023086548,0.0008177757,-0.032348633,0.025360107,-0.013160706,0.015235901,-0.03326416,-0.0032749176,0.010765076,-0.028457642,-0.0473938,-0.007659912,0.023361206,-0.0065994263,-0.05053711,-0.003227234,0.005970001,-0.004837036,-0.012802124,-0.004398346,0.0021896362,0.02217102,-0.010482788,0.0031795502,-0.004753113,0.023773193,0.010314941,0.0049324036,0.012435913,-0.0056991577,-0.028457642,0.0075302124,-0.0030059814,-0.010879517,-0.011405945,0.024963379,0.030822754,0.027145386,-0.006290436,0.011116028,-0.0029029846,-0.0054130554,-0.02229309,-0.0017566681,-0.010284424,0.01940918,0.016174316,0.009468079,-0.01109314,0.043884277,-0.033813477,-0.02670288,0.016586304,0.041229248,0.0021514893,0.029815674,-0.0044403076,-0.017578125,-0.017837524,-0.006542206,-0.028259277,0.0010938644,0.016021729,0.0124053955,0.0027599335,0.028152466,0.009933472,-0.00023829937,-0.024932861,0.023086548,0.016098022,0.0027313232,0.034179688,0.032928467,0.006034851,-0.01084137,0.00617218,0.03390503,0.047912598,-0.0041160583,0.01586914,0.0059051514,-0.0017194748,-0.020324707,0.024520874,0.020065308,-0.018707275,-0.05496216,-0.0031337738,-0.0058059692,0.025619507,-0.011001587,-0.0008172989,-0.019134521,0.009422302,-0.006839752,-0.012077332,-0.026153564,0.027862549,0.0017004013,-0.005619049,-0.01184082,0.0027599335,0.024887085,-0.0053100586,-0.01272583,-0.016555786,-0.01979065,0.015159607,-0.021514893,0.014381409,0.011688232,-0.00945282,-0.019760132,-0.010238647,-0.008766174,-0.014846802,0.010879517,-0.011352539,0.0045394897,0.020843506,0.025512695,0.01574707,-0.0047187805,-0.005554199,0.008338928,0.012069702,-0.0030002594,0.01007843,-0.029510498,0.050354004,-0.0112838745,0.012962341,-0.00598526,0.0070724487,0.03277588,-0.025009155,-0.0015363693,0.008079529,-0.0013666153,0.056732178,-0.036315918,-0.007007599,0.005695343,-0.005947113,-0.020065308,-0.008972168,0.012130737,0.026473999,-0.0057144165,0.02772522,-0.022903442,-0.022994995,0.0017127991,0.009338379,-0.008560181,0.0101623535,0.026016235,0.0069847107,-0.025939941,-0.009613037,-0.023513794,-0.049591064,0.006336212,0.010902405,-0.0038928986,-0.015106201,0.008651733,0.008552551,0.02128601,0.025512695,0.017547607,0.022079468,0.01651001,0.04019165,0.024780273,0.067993164,-0.021514893,-0.032562256,0.022369385,-0.004310608,-0.026275635,0.0062332153,-0.013320923,-0.0055274963,-0.0068244934,-0.011779785,0.023208618,0.023361206,-0.004383087,0.0038280487,-0.015045166,0.017593384,-0.022659302,-0.020187378,-0.018234253,0.013473511,0.02406311,-0.00037789345,0.0059661865,0.003276825,-0.017059326,0.01008606,0.043945312,-0.005378723,-0.03668213,-0.013023376,-0.013198853,0.013969421,0.028686523,0.008590698,-0.010955811,-0.025115967,-0.00573349,-0.020202637,0.019866943,-0.0027923584,0.011680603,0.009414673,0.014320374,0.0015468597,0.04046631,-0.022872925,-0.015960693,-0.012435913,0.012870789,0.04345703,0.011054993,-0.0065231323,0.019042969,0.008255005,-0.019699097,0.0463562,-0.0021781921,0.0073394775,-0.031311035,0.007904053,-0.05230713,-0.022857666,-0.012931824,-0.0017900467],"createdAt":"2026-04-21T18:32:19.621Z","updatedAt":"2026-04-22T21:32:07.510Z","lastSeenAt":"2026-04-22T21:32:07.510Z","tsv":"'/api':223 '/api/v1/hr/documents/3':41,217 '/pricing':224 '/readme':226 '/request':17,34 '0.02':16,33,99,141 '000':90 '0x8335':75 '20':89 '2913':76 '6':95 'Base network API' 'HR document API' 'USDC micropayment API' 'accept':59 'access':184 'actual':214 'addit':236 'advertis':106 'ai/ml':115 'amount':84 'analysi':117 'analyt':114 'api':53,175 'base':9,26,70,91 'base-network' 'behind':216 'bodi':162 'broader':46 'call':4,21,87 'catalog':109 'classif':119 'connect':231 'content':237 'contract':74 'convers':136 'crawl':221 'crypto-paid endpoint' 'data':113 'decim':96 'describ':159 'detail':200 'document':6,23,153,158,201 'embed':120 'enabl':38 'endpoint':7,24,39,58,111,146,206,209 'entir':187 'equal':98 'estim':130 'exact':80 'exampl':198 'exchang':125 'fall':149 'feed':124 'financ':121 'found':203 'function':215 'gas':129 'gate':186 'generat':137 'geocod':134 'header':192 'host':54 'hr':5,22,152 'hr-documents' 'infrastructur':132 'json':64 'json-response' 'key':176 'land':104 'limit':179 'low fee API' 'lowpaymentfee.com':56 'maximum':83 'network':71 'no-api-key' 'openapi':195 'page':105,227 'part':43 'particular':170 'path':154 'pay':2,19,50 'pay per call API' 'pay-per-cal':1,18 'pay-per-request':49 'payload':167 'payment':65,191 'per':3,20,51,86,142 'post':60 'price':123,139 'probe':147 'prompt':233 'provid':102 'quot':128 'rate':126,178 'remain':218 'request':52,61,143,161 'request/response':197 'requir':85,183 'resourc':171 'respons':166 'return':63,228 'schema':163 'scheme':81 'sentiment':116 'settl':12,29,67 'signup':182 'site':212 'span':112 'spec':196 'specif':145 'suit':47 'summar':118 'token':127 'unclear':219 'unit':92 'usd':100 'usdc':14,31,73,94 'usdc-settlement' 'use':72 'util':133 'valid':135 'via':10,27 'wallet':232 'web3':122 'wide':108 'x402':11,28,37,79,190 'x402 API' 'x402-enabled':36 'x402-payment'","prices":[{"id":"b25e7c0b-f7db-41de-a3ce-9c8a261aee7e","listingId":"668db182-6816-4f05-af06-1e6792e0d3d7","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/hr/documents/3","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:19.621Z"}],"sources":[{"listingId":"668db182-6816-4f05-af06-1e6792e0d3d7","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/hr/documents/3","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:19.621Z","lastSeenAt":"2026-04-22T21:32:07.510Z"}],"details":{"listingId":"668db182-6816-4f05-af06-1e6792e0d3d7","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/hr/documents/3 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with x402Version 1, accepting USDC on Base network with maxAmountRequired of 20000 base units ($0.02)","source_url":"https://lowpaymentfee.com/api/v1/hr/documents/3"},{"claim":"The provider advertises all APIs at $0.02/request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/hr/documents/3"}],"useCases":["Retrieving HR document data with per-request USDC micropayments","Agent-driven document access without API key management","Programmatic access to gated resources using x402 payment protocol"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need keyless, pay-per-call API access","Use cases requiring crypto-native micropayment settlement on Base"],"notFor":["Production workloads requiring well-documented request/response schemas","Users who need fiat-only payment options","Bulk data retrieval where per-request pricing is inefficient"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:10.318Z"},"updatedAt":"2026-04-22T21:32:07.510Z"}}