{"id":"2bfbc563-16ac-4673-90f3-40d6b7a3e64f","shortId":"hDH5h6","kind":"x402","title":"PubMed research trend comparison via x402-paid API (currently not responding).","tagline":"PubMed research trend comparison via x402-paid API (currently not responding).","description":"This endpoint is hosted on a Cloudflare Workers subdomain and appears intended to provide PubMed literature trend comparisons — likely allowing callers to compare publication counts or research activity across multiple biomedical search terms over time. The URL path `/api/v1/compare` suggests a structured REST API for comparing PubMed query trends.\n\nHowever, at the time of probing, the endpoint returned HTTP 404 on both GET and POST requests rather than the expected 402 x402 payment challenge. The root domain and all crawled paths (including /docs, /api, /pricing, and /README) display a generic Cloudflare Workers placeholder page stating \"There is nothing here yet.\" No OpenAPI schema, documentation, pricing information, or usage examples were found anywhere on the site.\n\nGiven the complete absence of a working 402 challenge, documentation, and any substantive content, this endpoint appears to be either not yet deployed, temporarily offline, or abandoned. The domain name and path structure suggest a PubMed trends comparison tool built by a developer named Ben Miles, but no functional behavior could be confirmed.","tags":[],"capabilities":["pubmed-search","research-trend-comparison","biomedical-literature","x402-payment"],"categories":["search","bio"],"synonyms":["PubMed trends","biomedical research trends","publication trend comparison","PubMed API","literature analysis","research publication trends"],"warnings":["Endpoint returned 404 on both GET and POST — no x402 402 challenge detected; endpoint is not live.","All site pages (root, /docs, /api, /pricing, /README) show a generic 'nothing here yet' placeholder.","No documentation, OpenAPI schema, or pricing information available.","Endpoint may be undeployed, under development, or abandoned."],"endpointUrl":"https://pubmed-trends-x402.ben-miles2.workers.dev/api/v1/compare","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x8C05121C9617f8960Cf5b7451103192F32DE8ddE","amount":"20000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}]},"qualityScore":"0.100","qualityRationale":"The endpoint returned 404 on all probe methods instead of a 402 x402 challenge. Every crawled page shows a Cloudflare Workers placeholder with no content. No schema, docs, pricing, or examples exist. The endpoint is effectively non-functional.","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":"2026-04-22T01:02:06.981Z","embedding":[-0.036224365,-0.011054993,0.024002075,-0.001832962,0.02456665,0.0014266968,-0.013656616,0.01626587,0.037841797,-0.017974854,0.023147583,-0.0670166,0.011802673,-0.02607727,-0.010498047,0.026412964,-0.004508972,-0.037475586,-0.05166626,0.04421997,0.051605225,-0.02456665,-0.04598999,-0.019546509,-0.052947998,-0.021194458,0.0007042885,0.0016450882,-0.011703491,-0.013542175,-0.01084137,-0.036743164,-0.024749756,0.010665894,0.0052261353,0.0026779175,0.005596161,0.050354004,0.027999878,-0.018569946,-0.010284424,-0.054779053,0.025863647,0.043060303,-0.084228516,-0.021392822,0.003068924,-0.030914307,0.021621704,-0.0055656433,-0.02609253,-0.023284912,-0.06945801,-0.010345459,0.014968872,0.010932922,-0.028457642,-0.024276733,-0.008483887,0.028869629,0.049102783,-0.0074043274,-0.00051116943,-0.041656494,-0.009994507,0.019088745,-0.005554199,0.034698486,-0.011978149,0.019317627,0.04925537,0.0345459,0.03314209,0.01473999,0.013328552,-0.023544312,0.012252808,-0.0021209717,0.019104004,-0.049713135,0.0035858154,0.013298035,-0.007205963,-0.03540039,-0.021911621,-0.03643799,-0.010375977,-0.001247406,-0.016998291,0.03253174,-0.045196533,0.03982544,-0.0076408386,-0.024383545,0.027816772,-0.07269287,-0.031982422,0.024032593,0.0126571655,0.030883789,0.003921509,-0.031921387,-0.013832092,-0.02319336,0.022827148,0.03125,0.024658203,-0.058898926,0.0098724365,-0.005504608,-0.018875122,-0.026260376,-0.033935547,0.005504608,-0.0075149536,0.016433716,0.0009660721,0.033355713,-0.011024475,0.020950317,-0.062408447,0.05908203,0.036834717,0.003370285,0.012969971,-0.037231445,-0.007133484,-0.004211426,-0.02192688,-0.0113220215,0.043884277,-0.0028038025,-0.009635925,-0.01626587,-0.04446411,0.0067253113,-0.030532837,-0.015853882,-0.05319214,-0.027313232,0.062072754,0.0009698868,-0.0024089813,0.04989624,-0.07183838,-0.01473999,0.002817154,-0.018966675,0.011268616,-0.03363037,0.025299072,-0.002462387,0.000600338,-0.0029239655,-0.005607605,-0.016921997,0.033691406,0.0132751465,-0.06048584,0.017822266,-0.0135269165,0.004749298,-0.037628174,-0.0015926361,0.03289795,0.048095703,0.002319336,-0.086120605,-0.07824707,-0.020248413,-0.00907135,-0.021911621,-0.011291504,0.0008006096,0.008575439,-0.027267456,0.013801575,-0.021911621,0.014305115,-0.018600464,0.006072998,0.013038635,-0.003545761,0.059173584,-0.04119873,-0.06506348,-0.04336548,0.049713135,0.029907227,0.057006836,0.019363403,0.022140503,0.062194824,0.005378723,-0.048919678,-0.05731201,0.0048217773,-0.006996155,0.039031982,0.026123047,0.008270264,-0.0028877258,0.045043945,0.057525635,0.0126953125,-0.024993896,-0.0112838745,-0.034362793,-0.05758667,-0.0031738281,0.052642822,0.010627747,0.014213562,-0.0058937073,0.010818481,-0.053985596,0.006385803,0.02355957,0.009399414,0.020248413,-0.031463623,0.042175293,0.008453369,0.0501709,0.004852295,0.07147217,0.040740967,-0.013206482,-0.039123535,-0.012786865,0.0390625,0.048828125,-0.04058838,0.024841309,-0.012367249,0.005531311,0.014282227,0.0040245056,0.021972656,-0.048919678,-0.00806427,-0.0037117004,-0.043121338,-0.007801056,-0.005344391,-0.016647339,-0.030929565,-0.07879639,0.02418518,0.01928711,0.012031555,0.007007599,0.034210205,-0.027267456,-0.02192688,-0.029541016,-0.009246826,0.050689697,-0.02810669,-0.024795532,0.025360107,0.037750244,-0.027786255,0.0047454834,-0.057861328,-0.03060913,-0.020401001,-0.0072631836,-0.04248047,0.0019874573,0.04309082,0.031173706,0.051605225,-0.03765869,-0.035736084,-0.0134887695,-0.0032043457,0.0071792603,-0.01965332,-0.022583008,-0.008621216,0.01486969,-0.0013523102,-0.03845215,0.012641907,0.033111572,0.012901306,-0.0016517639,0.00069999695,-0.011474609,-0.03326416,-0.002910614,0.0158844,-0.024658203,-0.0059280396,0.022888184,0.07714844,-0.044830322,0.016738892,-0.007331848,0.010597229,-0.006225586,-0.009277344,-0.040740967,-0.011070251,0.012001038,0.017532349,0.013282776,0.0030212402,0.042236328,-0.03778076,0.041503906,-0.043762207,-0.050231934,0.030029297,0.0016593933,0.047607422,-0.027008057,-0.022125244,-0.071777344,0.0075683594,-0.028533936,0.020050049,-0.0021419525,-0.013885498,-0.013694763,0.008392334,-0.008178711,0.026107788,0.00060510635,-0.026321411,-0.050476074,-0.00052547455,-0.0033130646,-0.022384644,0.0021419525,0.0184021,0.04751587,0.048339844,0.029846191,-0.037628174,-0.054748535,-0.0022621155,0.0041122437,-0.013259888,-0.0076675415,-0.05343628,0.023773193,-0.01486969,0.052978516,0.0006098747,0.035827637,0.03466797,0.015426636,0.011390686,-0.009254456,0.012672424,-0.01826477,-0.015571594,-0.015571594,-0.024353027,-0.009338379,-0.025177002,0.031555176,0.027526855,0.0126571655,0.019378662,-0.05505371,0.041381836,-0.07727051,-0.021408081,0.017120361,-0.036865234,-0.054382324,-0.001039505,0.034484863,0.003353119,0.033111572,0.025726318,0.031341553,0.032836914,0.041625977,-0.006477356,-0.025558472,0.016998291,0.047332764,-0.021591187,0.0064582825,-0.06488037,-0.018936157,0.008911133,-0.015655518,-0.017669678,-0.06085205,0.009109497,-0.007045746,0.04837036,0.0061187744,0.04095459,0.046783447,-0.023788452,0.0231781,-0.046661377,0.036468506,-0.0011310577,-0.003129959,0.059020996,-0.0033569336,0.0014457703,-0.029876709,0.014579773,0.009498596,0.016937256,-0.03945923,0.028930664,-0.04208374,0.011299133,0.051330566,0.004573822,0.037231445,0.04425049,-0.087524414,0.0625,0.038909912,-0.0022392273,-0.005241394,0.042175293,-0.030426025,0.0066337585,-0.03741455,-0.010528564,-0.014976501,-0.03237915,-0.024719238,-0.017486572,0.026443481,-0.0036201477,-0.014923096,0.0057792664,-0.01852417,0.0057029724,0.0074691772,-0.07287598,-0.026123047,-0.0020198822,0.024871826,0.041046143,0.004890442,0.005443573,-0.013946533,0.011550903,-0.022201538,0.047607422,0.014503479,-0.005783081,-0.016052246,-0.013832092,-0.01235199,0.06512451,0.008468628,0.047424316,0.014015198,0.030319214,-0.0010166168,0.030303955,-0.008674622,-0.044036865,0.004173279,-0.017868042,-0.05307007,0.043884277,-0.05633545,-0.039031982,-0.018859863,-0.04385376,0.02041626,-0.015556335,-0.020889282,-0.025466919,0.03277588,-0.002149582,-0.0045776367,-0.011764526,-0.035980225,-0.022216797,0.08947754,-0.027191162,0.030960083,-0.02734375,0.00019419193,0.039093018,0.014572144,0.036132812,-0.01486969,-0.018737793,-0.029907227,-0.026245117,0.00944519,-0.008102417,0.029663086,-0.04486084,-0.010612488,-0.016677856,0.012428284,0.037017822,0.03390503,0.011238098,0.050048828,-0.0003516674,0.0044555664,-0.030090332,-0.007972717,0.01977539,-0.009651184,-0.044952393,0.044036865,-0.013908386,0.035858154,-0.0034732819,-0.008110046,0.003314972,-0.005466461,-0.032226562,0.0019321442,-0.024841309,-0.010635376,-0.068237305,-0.0602417,0.008979797,0.007827759,0.014053345,0.022491455,0.044036865,0.014968872,-0.0058288574,-0.024902344,0.02583313,-0.02470398,-0.024993896,-0.028396606,-0.013145447,-0.011978149,-0.0039634705,-0.031204224,0.019058228,0.01247406,0.0029449463,0.0051193237,-0.0049934387,0.008743286,0.011207581,-0.008140564,-0.0013256073,0.016677856,-0.0066490173,0.014503479,0.011306763,-0.04559326,0.041625977,0.002779007,-0.008407593,-0.010292053,0.043395996,0.02670288,-0.018692017,0.0019607544,-0.019088745,-0.050933838,-0.041778564,0.017959595,0.01727295,0.006504059,-0.012962341,-0.036712646,0.016067505,0.015296936,-0.02911377,-0.048919678,0.018478394,0.00868988,-0.015686035,0.022521973,0.021713257,0.038238525,-0.050994873,-0.0025997162,0.006385803,-0.014381409,0.008003235,0.034484863,0.009666443,-0.002576828,0.015411377,-0.016036987,0.042541504,-0.04071045,0.03378296,-0.02810669,0.01586914,0.026107788,0.014411926,-0.04248047,0.005683899,-0.0011749268,-0.006324768,0.03201294,0.018035889,0.0038166046,0.022964478,-0.008430481,-0.009346008,0.0014038086,-0.039642334,-0.025039673,0.010818481,0.043121338,-0.024353027,-0.032806396,0.0034713745,0.00031590462,0.010498047,-0.056121826,-0.03579712,-0.017318726,0.021026611,-0.020812988,-0.037078857,-0.017120361,-0.02104187,0.04574585,0.031921387,0.021484375,0.03286743,-0.023284912,0.00774765,0.022460938,-0.010635376,-0.01121521,-0.0149002075,-0.024551392,0.00063467026,0.02015686,-0.031341553,-0.0028514862,0.019226074,-0.054779053,-0.0075950623,-0.0038433075,-0.008148193,0.026519775,-0.00047683716,-0.007434845,0.021240234,-0.000497818,0.008155823,-0.028686523,-0.010925293,-0.02029419,-0.009178162,0.022415161,-0.045135498,0.018127441,-0.038757324,-0.022232056,-0.037902832,0.03366089,0.020874023,0.04119873,0.0099105835,0.037017822,-0.027130127,0.01889038,0.027526855,-0.02784729,-0.00945282,-0.012069702,0.017242432,-0.0064735413,-0.017745972,0.03326416,-0.012062073,0.016464233,-0.022476196,-0.04901123,0.033355713,-0.044708252,0.018676758,0.054534912,0.01675415,-0.0022773743,-0.0057411194,0.008926392,-0.0049209595,-0.019622803,-0.009109497,0.0049476624,-0.012832642,-0.000066936016,0.003622055,-0.028320312,0.0134887695,-0.0008826256,0.017974854,-0.04147339,-0.010070801,-0.007888794,0.0013523102,-0.015960693,-0.006008148,-0.017791748,-0.016433716,-0.00907135,-0.0007157326,0.03137207,-0.011871338,0.027679443,0.03173828,0.031173706,-0.01675415,0.021606445,-0.0028038025,-0.00095415115,0.004020691,-0.024642944,-0.012451172,0.0023384094,0.03314209,0.0093307495,0.0009303093,-0.02154541,0.0037117004,-0.013420105,-0.038208008,0.0149383545,-0.004016876,0.0007581711,0.0020771027,0.01625061,-0.020690918,0.0059547424,0.001335144,0.00667572,0.0032997131,0.02015686,-0.0064582825,-0.0038967133,0.010238647,0.0140686035,0.006263733,-0.03265381,0.024658203,0.011230469,0.021438599,0.021881104,0.030456543,-0.030059814,-0.028930664,0.018676758,-0.0062942505,0.0076065063,0.010604858,0.03173828,0.029006958,0.0090789795,0.015266418,-0.007423401,-0.001824379,-0.0047721863,0.023910522,0.007686615,0.021209717,-0.025436401,-0.011352539,0.0004901886,0.059265137,-0.018508911,0.039123535,-0.026687622,0.034088135,-0.00374794,0.025314331,0.0023078918,-0.025772095,-0.024047852,-0.0524292,0.01184845,-0.0068893433,0.005870819,-0.060455322,-0.015213013,-0.039093018,-0.028457642,-0.01777649,-0.04876709,0.01876831,-0.009017944,-0.036102295,-0.097351074,-0.01902771,0.00052404404,0.00907135,0.009300232,0.011726379,0.015686035,0.015388489,-0.003742218,0.010864258,0.02720642,-0.03756714,-0.033416748,-0.012550354,0.03643799,-0.00079870224,-0.003917694,-0.046722412,0.0027046204,0.0049095154,-0.022567749,0.006668091,-0.014793396,0.017745972,-0.025787354,0.0118637085,-0.007911682,0.02330017,0.05355835,-0.059753418,0.019195557,0.0131073,-0.0070533752,-0.0014247894,0.0062179565,0.025924683,-0.03237915,-0.023254395,0.05807495,0.01612854,0.031036377,-0.024246216,0.016494751,0.02355957,-0.003124237,-0.0063552856,0.0054016113,0.0037155151,-0.03704834,-0.0063095093,-0.028747559,-0.023345947,-0.016616821,0.00059223175,0.007850647,0.017715454,0.018127441,-0.0024051666,0.012763977,-0.03704834,-0.011268616,0.016479492,-0.005706787,-0.013206482,0.005870819,0.013053894,0.026901245,0.024520874,0.0042266846,0.002840042,0.023284912,0.028076172,-0.0131073,0.01777649,0.03265381,-0.0032215118,0.029846191,0.021011353,0.020751953,-0.04208374,0.000007927418,-0.038970947,0.00868988,-0.01222229,-0.018432617,0.001871109,-0.014450073,-0.010826111,0.015777588,-0.0552063,-0.023803711,-0.023910522,0.008117676,-0.010864258,-0.019470215,-0.024459839,0.014976501,0.0070877075,0.039642334,-0.0057868958,0.032989502,-0.024261475,-0.008056641,0.0062026978,0.03729248,0.0071525574,0.0132751465,0.027374268,-0.005016327,-0.0013914108,0.005710602,-0.0027942657,0.026611328,-0.0028686523,-0.0022964478,0.006084442,0.006828308,0.003276825,-0.02734375,0.016174316,0.025177002,-0.0036125183,-0.008110046,0.026947021,-0.035736084,0.0030231476,0.027053833,-0.030303955,0.022033691,0.0040779114,-0.032714844,0.011634827,-0.008506775,0.0064048767,0.044769287,-0.021438599,0.034973145,0.0016593933,0.014030457,0.01939392,-0.00080537796,0.0047302246,0.004009247,-0.0021514893,0.024002075,0.020370483,-0.066101074,0.024597168,-0.039733887,0.017456055,0.031829834,-0.008178711,-0.0034942627,-0.019897461,-0.017837524,-0.00090551376,-0.019973755,0.0104522705,-0.02015686,0.02670288,-0.015853882,0.038360596,0.028503418,0.006454468,-0.00009638071,0.000024795532,-0.04626465,-0.02670288,-0.013038635,0.014091492,-0.005554199,0.034576416,0.04638672,-0.002986908,0.038330078,0.016571045,0.030593872,0.010955811,0.018173218,0.019561768,-0.013183594,-0.0029067993,-0.0093688965,0.006412506,0.034240723,0.004890442,-0.02104187,-0.008956909,0.020553589,-0.0055999756,-0.0075035095,0.070251465,0.038330078,0.025634766,-0.005874634,0.015792847,-0.018722534,-0.014953613,-0.03579712,0.026672363,-0.022720337,0.056549072,0.0077781677,0.015014648,-0.017440796,-0.0008111,-0.00856781,-0.008377075,0.027023315,0.017120361,-0.0037574768,0.016281128,-0.013618469,-0.009056091,-0.037017822,-0.0038928986,-0.020553589,-0.0039024353,0.0023994446,0.019241333,0.009536743,-0.004257202,-0.024429321,0.0045166016,-0.0029335022,-0.011459351,0.014183044,-0.006275177,0.01727295,-0.0009508133,-0.0070991516,0.03677368,-0.024383545,-0.0067634583,0.0038642883,0.027740479,-0.008842468,-0.013053894,0.006187439,0.012252808,0.048858643,0.031585693,0.006111145,-0.041046143,-0.027236938,0.009735107,0.017913818,0.028656006,0.010406494,-0.0036792755,0.019256592,0.038330078,0.011428833,-0.027770996,0.026931763,0.009239197,0.030776978,-0.003080368,0.007648468,0.01108551,-0.016311646,0.008666992,-0.0012350082,-0.00491333,0.03564453,0.009284973,-0.02470398,-0.0138168335,0.046081543,-0.010063171,-0.019332886,-0.0018224716,0.01008606,0.0011100769,0.008506775,0.019729614,0.023956299,0.009056091,0.0418396,-0.0010347366,-0.0048065186,0.00881958,0.018249512,-0.029220581,-0.008728027,0.026519775,-0.0034675598,-0.004634857,0.010848999,-0.020187378,0.020767212,0.017578125,0.00013375282,0.0009484291,-0.020248413,0.012840271,-0.0007381439,0.0010662079,-0.009490967,0.01448822,-0.0004708767,0.046417236,-0.0010280609,0.0026626587,-0.001707077,-0.008583069,0.010131836,-0.0135650635,0.004432678,-0.017578125,-0.01914978,0.0018358231,0.016555786,0.022842407,0.028182983,0.020187378,-0.026489258,-0.002986908,-0.0012197495,-0.012939453,-0.014671326,0.00548172,0.0009393692,0.021102905,0.0020217896,0.048309326,0.0075035095,0.011711121,-0.005344391,0.0025138855,-0.015083313,0.016586304,-0.0149002075,0.021697998,-0.022445679,0.0021419525,0.055847168,0.02571106,-0.021530151,-0.022537231,-0.0020122528,0.00025701523,-0.01159668,-0.00070238113,-0.0007176399,-0.0071792603,0.020751953,0.018508911,0.0149002075,-0.013038635,0.066711426,-0.01725769,0.04385376,-0.0096588135,-0.0030002594,0.017074585,0.005558014,0.02368164,0.0059127808,-0.011474609,-0.026367188,0.011581421,0.019332886,0.021621704,0.0034313202,0.023971558,-0.015350342,0.033355713,-0.039642334,0.02218628,-0.009757996,0.005897522,0.007232666,-0.015083313,0.011367798,-0.004180908,0.021652222,0.005821228,0.020843506,0.00667572,-0.04446411,-0.017349243,-0.043701172,0.0107803345,0.0025482178,-0.013336182,0.000015556812,0.015136719,0.0004067421,-0.028167725,0.043640137,-0.026657104,0.03918457,-0.021560669,0.0010204315,0.016616821,0.013046265,-0.02104187,0.0038261414,0.00217247,-0.026260376,0.025100708,0.0236969,0.0005745888,0.028930664,-0.0057525635,0.014381409,0.030059814,0.025344849,-0.013046265,0.0031166077,0.0015096664,0.0006623268,0.01259613,0.018753052,-0.0126571655,0.013511658,0.022628784,-0.014289856,-0.005886078,-0.005504608,0.04034424,0.0044555664,0.007434845,0.03375244,0.023864746,0.041290283,0.022735596,0.026321411,0.010757446,-0.0154418945,0.020355225,0.04095459,-0.018463135,-0.03237915,0.0031223297,-0.012023926,-0.014450073,-0.03665161,0.017440796,-0.00017809868,-0.021865845,-0.0059928894,0.0552063,0.0040245056,0.0037250519,-0.018875122,-0.014030457,0.037322998,0.03857422,0.015159607,-0.015281677,-0.004261017,0.007080078,-0.0061302185,-0.000021457672,-0.021728516,-0.010261536,-0.008071899,0.006713867,0.03829956,-0.03540039,0.026611328,-0.012557983,-0.01751709,0.013580322,-0.018753052,-0.026382446,-0.010147095,0.021362305,-0.011878967,0.0065231323,-0.031219482,-0.024368286,-0.011016846,0.03881836,0.041168213,-0.013961792,-0.030166626,0.034301758,-0.013801575,0.016052246,0.0069274902,-0.022628784,0.05770874,0.010192871,-0.0062408447,-0.021636963,0.019577026,-0.028564453,-0.038238525,0.035003662,-0.024520874,-0.021820068,-0.019348145,-0.0023498535,0.01159668,-0.0109939575,-0.015548706,-0.011795044,-0.040252686,0.019485474,-0.019622803,0.012374878,-0.019302368,-0.027954102,-0.017623901,-0.031555176,-0.022705078,0.005680084,-0.010261536,-0.0044059753,-0.051696777,0.02394104,0.021087646,-0.022491455,-0.031707764,0.041809082,0.016723633,0.03930664,0.0069351196,0.010871887,0.0025367737,0.024383545,0.011238098,-0.020401001,-0.0127334595,-0.005596161,0.004272461,0.013397217,-0.0062713623,-0.030715942,0.0016756058,-0.046905518,0.0005135536,-0.0047912598,0.008796692,-0.0070724487,0.005760193,0.013793945,0.009521484,-0.016815186,-0.017242432,0.04815674,0.022979736,-0.0036087036,-0.020584106,0.005657196,-0.020492554,0.0020370483,-0.018417358,0.025238037,-0.0014400482,0.025299072,0.0103302,0.03427124,-0.041748047,0.0026550293,-0.0395813,0.02482605,-0.016738892,0.01991272,-0.0011081696,0.016937256,0.017669678,-0.011505127,-0.02633667,0.03604126,0.0011940002,0.0069274902,0.01727295,0.0043144226,-0.012748718,-0.023590088,0.017364502,0.030059814,0.059448242,-0.0005750656,-0.0060920715,0.029327393,0.007911682,-0.034698486,-0.008293152,-0.02670288,0.00020885468,-0.03463745,0.026412964,-0.008277893,0.04989624,0.017929077,-0.0015192032,-0.031677246,0.021820068,0.015899658,-0.031829834,0.016906738,0.019485474,0.0184021,-0.016586304,0.008293152,-0.010826111,-0.0012569427,0.005508423,-0.0068740845,-0.042938232,-0.014122009,0.011108398,-0.026977539,0.010429382,0.01247406,-0.009002686,-0.009681702,-0.017196655,0.0035953522,0.029830933,0.011672974,0.010131836,-0.02168274,-0.017074585,0.029693604,-0.0032081604,0.017089844,-0.01977539,0.0024299622,-0.0022029877,-0.02633667,-0.006603241,-0.03201294,0.018005371,-0.005428314,-0.0284729,0.012573242,-0.017745972,0.008598328,-0.017990112,0.0027008057,-0.0104599,-0.0053482056,-0.0007624626,-0.0057373047,-0.010543823,0.03427124,-0.016555786,-0.03692627,-0.004688263,0.010498047,-0.015777588,-0.032470703,0.005607605,-0.017242432,-0.006580353,0.0027389526,0.012184143,-0.030136108,-0.0073165894,-0.029846191,0.006362915,0.022583008,-0.011947632,0.0023345947,-0.019927979,-0.01096344,0.026168823,-0.0021781921,-0.014717102,0.03213501,0.009384155,0.072143555,0.009788513,0.0077056885,-0.00020575523,0.00068950653,0.035339355,0.009811401,0.039978027,-0.00592041,-0.017669678,-0.0020332336,-0.00006657839,-0.04837036,-0.0059776306,0.015174866,-0.011497498,0.004295349,0.016433716,-0.019195557,0.01852417,-0.007270813,0.016357422,-0.024398804,0.0015001297,-0.03579712,0.0011224747,-0.034088135,0.00029683113,0.01537323,0.003730774,-0.0059394836,-0.026794434,0.0044670105,0.025543213,0.03704834,-0.0037879944,0.009902954,-0.024505615,0.032318115,-0.0181427,0.0032024384,0.0073890686,0.012664795,-0.0017299652,0.038757324,-0.014770508,0.029083252,-0.035827637,0.00756073,0.023803711,-0.009292603,0.008644104,0.033233643,-0.009315491,0.015113831,-0.024978638,-0.0047721863,-0.0049858093,0.025527954,-0.007522583,0.049621582,0.014289856,-0.030166626,0.009544373,0.008255005,0.014724731,-0.028869629,-0.0184021,-0.019577026,-0.009338379,0.003458023,-0.032196045],"createdAt":"2026-04-21T18:32:33.766Z","updatedAt":"2026-04-22T10:33:08.860Z","lastSeenAt":"2026-04-22T10:33:08.860Z","tsv":"'/api':108 '/api/v1/compare':63 '/docs':107 '/pricing':109 '/readme':111 '402':95,147 '404':84 'PubMed API' 'PubMed trends' 'abandon':166 'absenc':143 'across':53 'activ':52 'allow':44 'anywher':136 'api':9,21,68 'appear':35,156 'behavior':189 'ben':184 'biomed':55 'biomedical research trends' 'biomedical-literature' 'built':179 'caller':45 'challeng':98,148 'cloudflar':31,115 'compar':47,70 'comparison':4,16,42,177 'complet':142 'confirm':192 'content':153 'could':190 'count':49 'crawl':104 'current':10,22 'deploy':162 'develop':182 'display':112 'document':128,149 'domain':101,168 'either':159 'endpoint':26,81,155 'exampl':133 'expect':94 'found':135 'function':188 'generic':114 'get':87 'given':140 'host':28 'howev':74 'http':83 'includ':106 'inform':130 'intend':36 'like':43 'literatur':40 'literature analysis' 'mile':185 'multipl':54 'name':169,183 'noth':122 'offlin':164 'openapi':126 'page':118 'paid':8,20 'path':62,105,171 'payment':97 'placehold':117 'post':89 'price':129 'probe':79 'provid':38 'public':48 'publication trend comparison' 'pubm':1,13,39,71,175 'pubmed-search' 'queri':72 'rather':91 'request':90 'research':2,14,51 'research publication trends' 'research-trend-comparison' 'respond':12,24 'rest':67 'return':82 'root':100 'schema':127 'search':56 'site':139 'state':119 'structur':66,172 'subdomain':33 'substant':152 'suggest':64,173 'temporarili':163 'term':57 'time':59,77 'tool':178 'trend':3,15,41,73,176 'url':61 'usag':132 'via':5,17 'work':146 'worker':32,116 'x402':7,19,96 'x402-paid':6,18 'x402-payment' 'yet':124,161","prices":[{"id":"59e267f8-1306-4966-a025-6ad849a6581b","listingId":"2bfbc563-16ac-4673-90f3-40d6b7a3e64f","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":null,"chain":"base","payTo":"0x8C05121C9617f8960Cf5b7451103192F32DE8ddE","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x8C05121C9617f8960Cf5b7451103192F32DE8ddE","amount":"20000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:33.766Z"}],"sources":[{"listingId":"2bfbc563-16ac-4673-90f3-40d6b7a3e64f","source":"x402_bazaar","sourceId":"https://pubmed-trends-x402.ben-miles2.workers.dev/api/v1/compare","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:33.766Z","lastSeenAt":"2026-04-22T10:33:08.860Z"}],"details":{"listingId":"2bfbc563-16ac-4673-90f3-40d6b7a3e64f","quickStartSnippet":"# Endpoint is currently returning 404; not operational at time of probe.\ncurl -X POST https://pubmed-trends-x402.ben-miles2.workers.dev/api/v1/compare","exampleRequest":null,"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returned 404 on both POST and GET probe attempts","source_url":"https://pubmed-trends-x402.ben-miles2.workers.dev/api/v1/compare"},{"claim":"All crawled pages display 'There is nothing here yet' placeholder","source_url":"https://pubmed-trends-x402.ben-miles2.workers.dev"}],"useCases":["Comparing publication volume across biomedical research topics over time","Identifying trending areas in PubMed-indexed literature","Benchmarking research output between scientific fields"],"bestFor":["Researchers tracking biomedical publication trends","Agents needing programmatic PubMed trend data","Scientometric analysis of research areas"],"notFor":["Full-text article retrieval from PubMed","Clinical decision support or medical advice","Production workflows requiring a reliable, currently-live endpoint"],"kindDetails":{},"updatedAt":"2026-04-22T01:02:06.981Z"}}