{"id":"015ca9cf-39ff-491f-b129-6eef76431e6f","shortId":"vRwFbz","kind":"x402","title":"x402-gated transaction receipt endpoint on Base, paid per-call in USDC.","tagline":"x402-gated transaction receipt endpoint on Base, paid per-call in USDC.","description":"This endpoint at lowpaymentfee.com provides access to a specific transaction receipt (transaction ID 367) behind an x402 paywall. The broader lowpaymentfee.com platform advertises a suite of pay-per-request APIs spanning data & analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance & Web3 data (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are priced at $0.02 per request, settled in USDC on the Base network via the x402 protocol.\n\nThe specific endpoint probed (/api/v1/transactions/367/receipt) returns a valid x402 challenge with a maxAmountRequired of 20,000 base units of USDC (0x8335…2913 on Base). Since USDC uses 6 decimals, this equals $0.02 per call — consistent with the site's advertised pricing. Payment is made via the x402 \"exact\" scheme, with a 300-second timeout. No API keys or rate limits are required; access is granted purely through on-chain payment.\n\nDocumentation is extremely sparse. The /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI spec, no request/response schema documentation, and no examples of what the receipt payload actually contains. The endpoint is live and responding with a proper 402 challenge, but the lack of documentation makes it difficult to know what data is returned or what input parameters (if any) the POST body expects.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","transaction-receipt","pay-per-request","no-api-key","no-rate-limit"],"categories":["finance","infrastructure"],"synonyms":["transaction receipt API","x402 API","USDC micropayment API","Base network API","pay-per-call API","lowpaymentfee","crypto payment endpoint"],"warnings":["No OpenAPI or schema documentation available — request body and response format are unknown","All documentation pages (/docs, /api, /pricing, /README) return only a 'Connect wallet' prompt with no content","Endpoint is scoped to a single transaction ID (367); unclear if other transaction IDs are available or how to discover them","The broader platform advertises many API categories (AI, analytics, finance, utilities) but none could be verified beyond the landing page listing"],"endpointUrl":"https://lowpaymentfee.com/api/v1/transactions/367/receipt","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/transactions/367/receipt","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 OpenAPI spec, no documented request/response schema, no examples, and the docs pages are empty. The endpoint path is specific to a single transaction ID (367), making its general utility unclear. 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":"2026-04-19T13:30:58.176Z","embedding":[-0.02243042,-0.03479004,0.034423828,0.008834839,0.009231567,-0.020599365,-0.012962341,0.029846191,0.049621582,-0.07458496,0.039886475,-0.04736328,-0.044799805,-0.028320312,-0.021057129,0.018188477,0.00970459,0.019302368,-0.060455322,0.045410156,0.03768921,-0.04147339,-0.015945435,0.01461792,-0.013923645,-0.02444458,-0.0128479,-0.010307312,-0.03982544,-0.021026611,0.03213501,-0.021697998,-0.029708862,0.003282547,-0.013046265,0.027175903,-0.0026721954,0.020507812,0.020233154,-0.03265381,0.00497818,-0.044281006,-0.002204895,-0.011291504,-0.028945923,0.00868988,-0.0050468445,-0.012519836,0.0047302246,-0.013847351,-0.0524292,-0.010955811,0.0041389465,0.026504517,0.0019760132,0.001490593,-0.0067329407,-0.006008148,0.02432251,-0.0019235611,-0.009170532,-0.06994629,-0.016403198,-0.031707764,0.010383606,0.04824829,-0.006034851,0.06951904,0.009513855,0.07757568,0.02670288,0.051116943,0.053375244,0.009986877,0.020706177,-0.009384155,-0.004245758,0.029083252,-0.03970337,-0.031066895,-0.00021803379,-0.030914307,-0.074279785,-0.0067863464,-0.01083374,-0.056396484,-0.018539429,0.0103302,-0.017807007,0.031402588,-0.074645996,0.005958557,0.01625061,0.027755737,-0.00617218,-0.039489746,-0.050201416,0.004005432,-0.008323669,0.0041007996,-0.010398865,-0.02835083,0.04345703,-0.015060425,0.048675537,0.024215698,-0.0079422,0.023849487,0.0009112358,-0.008110046,-0.004432678,0.014305115,0.022323608,-0.025665283,0.023986816,-0.009147644,-0.030380249,0.025756836,-0.024765015,0.03378296,-0.036987305,0.06738281,-0.007537842,-0.017028809,0.0132369995,-0.04663086,-0.01727295,0.0036449432,-0.034606934,0.011154175,0.052947998,0.012107849,0.008743286,-0.030441284,-0.02494812,0.00010716915,-0.00554657,-0.00945282,-0.04006958,-0.021652222,0.028900146,-0.02684021,0.0003042221,0.040039062,-0.085754395,0.008804321,-0.047454834,0.020935059,-0.019546509,-0.0056152344,0.010192871,0.009498596,-0.021087646,-0.023223877,-0.018554688,-0.021850586,-0.0064430237,0.046661377,-0.0038776398,0.024475098,-0.025772095,0.036071777,0.036743164,0.012512207,0.016983032,0.018218994,-0.0017061234,-0.062072754,-0.068237305,0.0008792877,0.017486572,-0.027938843,-0.046051025,0.002161026,-0.03164673,-0.08300781,-0.0032043457,0.015312195,0.0035762787,-0.048187256,-0.0006055832,-0.037109375,0.011405945,-0.025817871,-0.02520752,-0.035339355,-0.03643799,0.057434082,0.00969696,0.029922485,0.01789856,0.00028204918,0.045196533,0.018417358,-0.00894165,-0.028747559,0.008605957,-0.023742676,0.041046143,-0.0021457672,0.012466431,-0.017913818,0.019073486,0.074279785,-0.008872986,-0.05545044,0.006011963,-0.044158936,-0.03591919,-0.018600464,0.022720337,0.0035381317,-0.015335083,0.027908325,-0.040130615,0.0030059814,0.031066895,0.026107788,0.0141067505,0.057800293,0.0256958,-0.007217407,0.02003479,0.023727417,-0.032806396,0.05496216,0.027877808,0.03225708,-0.02722168,-0.061920166,0.011924744,0.036743164,-0.031219482,-0.003627777,-0.008705139,0.032104492,-0.0026626587,-0.009063721,0.028945923,-0.005748749,-0.027511597,-0.016113281,0.017791748,0.029022217,0.018615723,-0.03125,-0.052368164,-0.07165527,0.06640625,0.052947998,0.013938904,-0.0007328987,-0.0011444092,-0.02053833,-0.026519775,-0.074035645,0.042816162,0.07006836,-0.010406494,-0.04196167,0.043884277,-0.019805908,-0.036346436,-0.0052490234,-0.018127441,-0.030563354,-0.005680084,0.0013370514,-0.03137207,0.017150879,-0.0066490173,0.006729126,0.06008911,0.0056152344,-0.06774902,-0.028503418,-0.009803772,0.0028629303,-0.028457642,-0.023452759,0.0058403015,0.024719238,0.019470215,0.010726929,0.0045547485,0.03137207,0.00806427,-0.019454956,0.010566711,-0.009216309,-0.02229309,0.017120361,0.009941101,-0.059326172,0.0068130493,-0.0052108765,0.057128906,-0.06286621,0.04083252,-0.030517578,-0.010276794,0.06616211,-0.014251709,-0.050964355,-0.00047564507,0.023590088,0.01802063,0.01574707,0.028747559,0.018936157,-0.029342651,0.059692383,-0.03225708,0.00028038025,0.01902771,0.017028809,0.04675293,-0.002571106,-0.056243896,-0.04937744,0.017150879,-0.02861023,0.02645874,-0.011299133,0.043884277,-0.006893158,-0.0062942505,-0.03302002,0.003206253,-0.011581421,0.006652832,-0.022003174,0.0010356903,-0.026428223,-0.03326416,0.03543091,0.01335144,-0.0155181885,0.017105103,0.07183838,0.025100708,-0.0040664673,-0.01953125,-0.026748657,-0.027954102,-0.015777588,0.027252197,-0.0007991791,0.018859863,0.035217285,-0.028533936,0.011436462,0.029129028,-0.017181396,0.044921875,0.010299683,-0.008140564,-0.064331055,-0.03074646,-0.024520874,-0.04736328,0.031585693,0.026641846,0.01689148,0.05480957,0.008216858,-0.027145386,-0.019958496,0.036071777,-0.03692627,0.011993408,0.035461426,-0.022232056,-0.014785767,-0.0052719116,0.011962891,0.007987976,0.03817749,0.021591187,0.0154953,0.068237305,0.03579712,0.0035934448,0.021911621,0.023498535,0.020889282,0.0026416779,-0.022125244,-0.015914917,-0.035186768,0.03274536,-0.023635864,-0.02027893,-0.064208984,0.047698975,0.033935547,0.05831909,0.014778137,0.024261475,0.03414917,0.021652222,0.020080566,-0.0049362183,-0.026321411,-0.03717041,-0.016403198,0.025848389,-0.021514893,0.00015246868,-0.02142334,0.017669678,0.010116577,0.007118225,-0.04232788,0.041656494,-0.011619568,-0.009223938,0.024398804,0.028274536,0.046691895,0.046203613,-0.036254883,-0.004283905,0.032226562,-0.0362854,0.018936157,0.020736694,-0.008651733,-0.012306213,-0.056427002,-0.030914307,-0.0069885254,-0.011688232,-0.05670166,-0.005493164,0.020462036,0.02897644,0.03475952,-0.026992798,-0.04220581,0.016571045,-0.021255493,-0.03540039,0.0046539307,-0.05316162,0.025177002,0.031341553,-0.03036499,0.026031494,-0.008270264,0.007282257,-0.019332886,0.0184021,-0.010383606,0.0051651,-0.03665161,0.033691406,-0.009735107,0.0007557869,0.004032135,0.021026611,0.031951904,0.028213501,0.03265381,0.00919342,-0.0184021,-0.0715332,0.03164673,-0.03189087,-0.0002682209,0.028945923,-0.038024902,0.0076942444,0.0017633438,-0.027175903,-0.023757935,-0.0071983337,-0.019760132,0.00003552437,0.0060195923,-0.04159546,-0.017669678,-0.049041748,-0.031707764,-0.012290955,0.057159424,0.0066947937,0.005382538,-0.056549072,-0.011932373,0.02130127,0.000116467476,-0.006462097,-0.014801025,-0.0121154785,-0.0132369995,-0.013336182,-0.038208008,-0.010955811,0.033691406,-0.0019702911,-0.012954712,0.021652222,0.0046806335,0.00409317,0.013404846,-0.012321472,0.029891968,0.00687027,0.0005078316,0.004348755,0.03262329,0.013809204,-0.04168701,-0.0496521,0.047943115,-0.02217102,0.037231445,-0.04208374,-0.007965088,-0.0004401207,0.017211914,0.0012645721,-0.003944397,0.002243042,0.006904602,-0.029266357,-0.07513428,0.03378296,-0.0056381226,0.042663574,0.023666382,0.0102005005,0.030654907,-0.010856628,0.011482239,0.0035171509,-0.034454346,-0.025756836,-0.04269409,-0.04812622,-0.026733398,-0.0012025833,-0.03137207,0.022109985,-0.0018777847,0.017990112,-0.00844574,-0.023025513,0.03933716,-0.004234314,0.011154175,0.014305115,0.0066566467,0.01159668,0.028823853,0.015335083,-0.05569458,0.03640747,-0.0075263977,0.004337311,-0.010894775,0.019897461,0.021591187,-0.034240723,0.006412506,-0.014434814,-0.001039505,-0.019012451,-0.005722046,-0.0019350052,0.021606445,0.020492554,-0.052612305,0.020050049,0.0025310516,-0.028930664,-0.027770996,0.011833191,0.027801514,-0.033447266,0.014266968,0.021697998,0.04345703,-0.01322937,-0.0004222393,0.010116577,0.042236328,0.03515625,0.014434814,-0.00022315979,0.03125,-0.0035076141,0.031341553,0.00012648106,-0.0021305084,0.0016050339,-0.0006828308,0.019348145,0.017196655,0.007232666,0.0016508102,-0.043060303,-0.011604309,0.0049476624,-0.013755798,0.041992188,0.00957489,0.029632568,-0.016220093,0.015823364,0.02722168,-0.0309906,-0.006866455,0.0001475811,0.04257202,-0.0030155182,0.0016546249,0.010185242,0.023254395,0.025283813,-0.06567383,-0.006198883,-0.0023441315,0.010246277,-0.0032749176,-0.057159424,-0.032989502,-0.016174316,0.043151855,-0.0158844,0.008483887,0.03643799,0.011627197,0.005809784,0.020950317,0.0030708313,-0.0104904175,-0.0063705444,-0.036315918,-0.011695862,-0.0066947937,0.013374329,-0.029571533,0.01966858,-0.0056495667,-0.02293396,0.004825592,-0.042297363,0.0024375916,-0.024642944,-0.00016844273,0.041503906,-0.0005106926,0.0066184998,-0.0032100677,-0.038482666,0.006839752,0.013153076,0.02406311,-0.027297974,0.027069092,-0.015220642,-0.013374329,-0.019363403,0.0024585724,0.017196655,0.008514404,0.007865906,0.028579712,-0.030807495,0.045410156,-0.0042533875,0.011497498,0.0038089752,-0.028427124,-0.02758789,-0.04006958,-0.016036987,0.028762817,-0.0010175705,-0.008003235,-0.026657104,-0.05142212,-0.030700684,-0.052368164,0.02557373,0.017822266,0.04248047,-0.018203735,0.0074157715,-0.015609741,0.0060920715,0.008399963,0.0049858093,-0.008201599,0.03591919,0.019485474,0.023223877,-0.016586304,-0.02720642,-0.020751953,0.001449585,-0.06112671,-0.04449463,-0.0061187744,0.02798462,0.00025320053,0.00092983246,-0.026260376,-0.014892578,-0.004852295,-0.025222778,0.0024375916,-0.001376152,0.01260376,0.0058288574,-0.00020110607,0.0073928833,0.018920898,-0.023666382,0.026123047,0.008575439,-0.0036087036,-0.029708862,0.012863159,0.02168274,0.010597229,-0.018051147,-0.025115967,0.013572693,-0.012329102,-0.04486084,0.016357422,-0.0024585724,-0.006412506,-0.017074585,0.01864624,-0.043518066,-0.004634857,-0.04537964,-0.028457642,0.005744934,0.012649536,0.016113281,0.0017852783,0.011154175,0.0032577515,-0.008125305,-0.040863037,0.008979797,0.010513306,-0.0052719116,0.014411926,0.0647583,0.0074386597,-0.018493652,-0.0124435425,-0.024612427,0.005542755,-0.012413025,0.029373169,-0.005508423,0.007888794,-0.0027046204,-0.007144928,-0.042938232,0.00920105,0.054595947,-0.008308411,-0.0025234222,-0.016937256,0.00046992302,0.01864624,0.03062439,-0.036346436,0.010025024,-0.015716553,0.016601562,-0.01914978,0.01689148,0.0003838539,0.019485474,-0.01713562,-0.056427002,0.005630493,-0.020492554,-0.0000038146973,-0.056030273,-0.020004272,-0.049865723,0.0015439987,0.0064888,-0.027175903,0.011604309,0.017532349,-0.021484375,-0.09307861,-0.0034103394,0.050628662,0.004211426,0.025756836,-0.0032463074,0.01939392,0.035858154,-0.009643555,-0.02381897,0.005722046,-0.024963379,-0.00365448,-0.03265381,0.034820557,-0.015312195,-0.022079468,0.009841919,0.0126571655,0.010108948,-0.012374878,-0.008422852,-0.010604858,0.0025539398,0.003824234,0.0069503784,-0.021591187,-0.010734558,0.035858154,-0.057861328,0.03781128,0.008956909,0.0046958923,0.006801605,0.040618896,0.032562256,-0.03540039,0.004257202,0.014411926,0.0146865845,0.04751587,-0.03012085,0.032196045,0.013031006,0.00806427,-0.0020999908,-0.01638794,-0.0072364807,-0.028686523,-0.014854431,0.019485474,0.00920105,-0.013298035,-0.011390686,-0.00014913082,0.014923096,0.031555176,-0.0048942566,-0.012504578,-0.02456665,-0.040008545,0.0048942566,0.005168915,-0.0077552795,-0.0077552795,0.013366699,0.037506104,0.04296875,0.011177063,-0.016967773,-0.0001487732,0.02166748,-0.004749298,-0.0075569153,0.02168274,0.020568848,0.017944336,0.018569946,0.015609741,-0.029922485,-0.031173706,-0.011657715,-0.017501831,0.009651184,-0.01663208,0.008560181,0.0071792603,-0.0015296936,0.0016021729,-0.01737976,0.010879517,-0.029937744,-0.043029785,-0.009086609,-0.0019388199,0.030151367,0.0007443428,-0.015182495,0.025909424,-0.008621216,0.047302246,0.0043182373,-0.02645874,0.018066406,0.042419434,0.0098724365,-0.028839111,-0.0014238358,0.0008778572,-0.018371582,-0.005317688,-0.012802124,0.035888672,0.004749298,-0.0025138855,0.0068206787,-0.0129470825,0.035980225,-0.0154418945,0.005622864,-0.005958557,0.010894775,-0.011802673,0.05154419,-0.04940796,0.02784729,0.027664185,-0.013793945,0.010520935,-0.0024604797,-0.02305603,0.028244019,0.019226074,-0.0044784546,0.028381348,-0.0044898987,0.03982544,-0.011581421,-0.020309448,-0.010139465,-0.024291992,-0.029418945,-0.0077781677,-0.016967773,-0.0141067505,0.016098022,-0.028579712,0.027542114,-0.023498535,0.0031852722,-0.0027580261,-0.004573822,-0.020141602,-0.025146484,-0.0028934479,-0.025238037,-0.014602661,0.005191803,0.00068950653,0.05899048,0.031829834,0.019561768,0.033966064,0.018661499,0.015464783,-0.045654297,-0.02973938,-0.0029201508,-0.008369446,0.01222229,-0.01713562,0.049072266,0.054718018,-0.001616478,0.051361084,0.031341553,0.02658081,-0.0033798218,0.023757935,-0.019119263,0.0051651,-0.016937256,0.034576416,-0.015533447,0.039276123,-0.01146698,0.026611328,0.010375977,0.025863647,-0.016159058,0.022659302,0.076416016,0.02116394,-0.013015747,0.02279663,-0.004558563,-0.025177002,-0.016815186,-0.025344849,0.051513672,0.01373291,0.026748657,0.043884277,0.023834229,0.010284424,0.021392822,-0.008300781,-0.012840271,0.048675537,0.021331787,-0.00541687,-0.023269653,-0.014556885,0.01612854,-0.035003662,-0.0004963875,0.0031471252,-0.015945435,-0.0023593903,0.0068855286,-0.009063721,0.00028467178,0.015716553,0.010009766,0.02897644,-0.013175964,0.025772095,0.010757446,0.0062713623,0.021224976,0.017669678,0.018066406,-0.027435303,-0.023651123,0.018432617,0.027328491,-0.0155181885,-0.019256592,0.034240723,0.012863159,0.053497314,0.040527344,-0.023757935,-0.001742363,0.027954102,0.0104522705,-0.002368927,0.050476074,0.03186035,0.010971069,0.03591919,0.03189087,0.029815674,-0.031555176,0.016815186,-0.010482788,-0.0028362274,-0.020477295,-0.0001616478,0.021759033,-0.0026245117,0.034332275,-0.013389587,-0.011604309,0.01902771,0.03149414,0.00047278404,-0.004585266,-0.013076782,0.0057029724,-0.01473999,-0.008087158,0.015945435,-0.014877319,0.015640259,-0.0025196075,0.04119873,-0.044952393,0.021484375,0.0015907288,-0.034820557,-0.020477295,0.01373291,-0.044799805,0.0026874542,-0.0049438477,-0.008140564,-0.045135498,0.001871109,0.008659363,-0.0112838745,0.017166138,0.009742737,0.002626419,-0.0077323914,0.040008545,0.019363403,-0.0095825195,-0.0053253174,-0.021392822,0.009231567,0.040985107,0.008613586,-0.014671326,-0.013809204,-0.0029277802,-0.0011806488,-0.009468079,-0.0065994263,0.0127334595,-0.014831543,-0.020858765,0.029632568,0.04257202,0.0058555603,0.04626465,-0.02468872,-0.0073623657,0.0007724762,0.038238525,0.010559082,-0.02357483,-0.020339966,0.01197052,-0.028213501,0.03781128,0.030563354,0.0016622543,0.034332275,0.012458801,-0.018936157,-0.0067596436,-0.020599365,0.024475098,-0.011741638,0.0031356812,-0.012512207,0.014556885,-0.022262573,-0.026107788,-0.0066871643,-0.02128601,-0.017242432,-0.009979248,0.024536133,-0.0020179749,0.025115967,0.040283203,0.014030457,-0.016494751,0.058776855,-0.015655518,0.043151855,0.0025100708,-0.01612854,0.046875,0.023849487,0.04736328,0.016036987,0.0154953,-0.034942627,0.02709961,0.034057617,0.021331787,0.0096588135,0.00086545944,-0.009208679,0.034606934,-0.007408142,0.03768921,0.003982544,-0.010360718,0.023925781,-0.021209717,-0.023452759,-0.002254486,-0.006755829,0.006095886,0.045196533,-0.026931763,-0.0041656494,-0.025131226,-0.017547607,0.020401001,-0.01612854,-0.005077362,0.0014390945,-0.015037537,0.013641357,-0.014892578,0.0044937134,0.010688782,0.037628174,-0.04711914,0.003446579,0.013938904,0.014122009,-0.015052795,0.023483276,0.039245605,0.0035438538,-0.002117157,0.04437256,-0.015205383,0.040985107,-0.0018358231,0.027404785,0.030929565,0.004878998,-0.01159668,0.015777588,0.014854431,-0.014694214,0.011352539,0.039611816,-0.01876831,-0.0030345917,0.0006375313,-0.010169983,-0.00018286705,-0.0050964355,-0.019943237,0.00655365,-0.00623703,-0.018875122,0.012969971,0.020889282,0.0026054382,0.0005364418,0.008834839,-0.0037403107,0.0063552856,0.02418518,0.02532959,-0.037109375,0.004032135,0.0076828003,0.004940033,-0.020019531,-0.012939453,-0.009376526,-0.037322998,0.0058937073,0.015060425,0.012046814,0.0076675415,-0.012382507,-0.020187378,0.021530151,0.005332947,0.014099121,-0.0028839111,0.0034618378,0.019088745,-0.034698486,0.004299164,-0.010032654,-0.01373291,0.013885498,0.020828247,-0.017303467,-0.018493652,0.005428314,-0.01197052,0.01914978,-0.012130737,0.017120361,0.028930664,-0.009399414,0.00079631805,-0.00025629997,0.018249512,-0.028305054,-0.01763916,-0.0028495789,0.01689148,0.054595947,-0.004470825,-0.0004618168,0.010574341,0.028030396,0.031951904,0.036895752,0.024749756,0.05014038,0.026504517,-0.02507019,-0.020111084,0.014198303,-0.011566162,-0.021881104,0.014434814,-0.032196045,0.0018978119,-0.0008816719,0.02545166,-0.00667572,-0.029205322,0.00091362,-0.012321472,-0.009033203,0.026123047,-0.021499634,0.018981934,-0.023773193,-0.010192871,0.031585693,-0.024246216,-0.01902771,-0.02658081,-0.027801514,-0.018707275,-0.05508423,0.008155823,-0.029373169,0.011505127,-0.013755798,0.009803772,0.0056266785,0.018188477,0.009490967,-0.01612854,0.006664276,0.0362854,0.010246277,0.024993896,0.016403198,-0.033233643,-0.017288208,-0.014015198,0.00005453825,-0.026672363,0.0413208,-0.00674057,0.022857666,0.012504578,-0.032196045,-0.003004074,-0.0043792725,-0.021209717,-0.0027980804,-0.02293396,-0.010368347,0.011047363,0.022247314,0.017181396,-0.010437012,0.048614502,-0.030181885,-0.007232666,0.021209717,0.03189087,0.002412796,0.048706055,-0.01914978,0.006526947,-0.034698486,-0.0069770813,-0.006378174,0.0055885315,-0.010345459,0.02468872,-0.008094788,0.029632568,0.010345459,-0.016418457,0.00598526,0.032714844,0.017532349,0.010726929,0.026123047,0.0031032562,0.00674057,-0.011604309,-0.010932922,0.002243042,0.050567627,0.019897461,0.0036315918,-0.014503479,0.009506226,-0.027252197,0.0061149597,0.025741577,-0.018920898,-0.02809143,-0.012046814,-0.036010742,0.014015198,-0.009101868,0.017837524,0.0034255981,0.024719238,-0.0043907166,-0.019165039,-0.031707764,0.017501831,0.0079956055,-0.012367249,-0.0067329407,-0.0028209686,0.011459351,-0.016403198,-0.007255554,-0.039733887,-0.041503906,-0.006336212,-0.021743774,0.028533936,-0.0034255981,-0.0128479,-0.011199951,-0.013793945,-0.025115967,0.020492554,0.0065078735,-0.010650635,-0.001953125,0.0075950623,0.038726807,-0.004043579,0.020584106,-0.0074920654,0.010421753,0.0069503784,-0.0052337646,0.03213501,-0.0070877075,0.02003479,0.011795044,0.0046920776,0.03253174,-0.00026488304,0.024841309,-0.051727295,-0.016815186,0.0003221035,-0.0027999878,0.03289795,-0.010375977,-0.036254883,0.00033569336,-0.025848389,-0.034942627,-0.0045776367,0.0088272095,0.021453857,-0.009521484,0.04638672,-0.011489868,-0.02394104,0.003572464,0.014907837,-0.025482178,0.013458252,0.022872925,-0.018295288,-0.000060796738,0.0013332367,-0.013793945,-0.01210022,-0.01007843,0.000103116035,-0.0070495605,0.0008826256,0.0075912476,0.032684326,0.037231445,0.010543823,0.022399902,0.009262085,0.009246826,0.024414062,0.018066406,0.026535034,-0.00674057,-0.024536133,-0.0023860931,-0.0038795471,-0.026931763,0.01878357,0.0023288727,-0.004890442,-0.03665161,0.0070343018,0.010696411,0.024780273,0.0008134842,0.015930176,-0.010360718,-0.0024490356,-0.02053833,-0.006515503,-0.041625977,0.019744873,0.02293396,0.010520935,0.021942139,0.0013036728,-0.020355225,0.010681152,0.03842163,-0.001660347,-0.039276123,-0.011558533,0.0102005005,-0.0029945374,0.0031280518,0.010627747,-0.031585693,-0.022537231,0.00024557114,-0.017852783,-0.014602661,-0.0034713745,0.017807007,0.015167236,-0.016845703,-0.020828247,0.023880005,-0.00844574,-0.0062217712,-0.0056152344,0.0047798157,0.030227661,0.027694702,-0.0068206787,-0.00008416176,0.037139893,-0.043395996,0.060455322,-0.016311646,0.016555786,-0.021606445,0.0061798096,-0.049224854,-0.012748718,-0.00894165,-0.00573349],"createdAt":"2026-04-18T19:26:34.968Z","updatedAt":"2026-04-24T05:03:16.310Z","lastSeenAt":"2026-04-24T05:03:16.310Z","tsv":"'/api':184 '/api/v1/transactions/367/receipt':111 '/docs':183 '/pricing':185 '/readme':187 '0.02':93,138 '000':122 '0x8335':127 '20':121 '2913':128 '300':158 '367':42 '402':228 '6':134 'Base network API' 'USDC micropayment API' 'access':34,169 'actual':217 'advertis':51,146 'ai/ml':63 'analysi':66 'analyt':62 'api':59,162 'base':8,22,101,123,130 'base-network' 'behind':43 'bodi':252 'broader':48 'call':12,26,140 'chain':176 'challeng':116,229 'classif':68 'connect':193 'consist':141 'contain':218 'content':199 'convers':86 'crypto payment endpoint' 'data':61,72,241 'decim':135 'difficult':237 'document':178,208,234 'embed':69 'endpoint':6,20,30,89,109,220 'equal':137 'estim':80 'exact':154 'exampl':211 'exchang':75 'expect':253 'extrem':180 'feed':74 'financ':70 'gas':79 'gate':3,17 'generat':87 'geocod':84 'grant':171 'id':41 'infer':64 'infrastructur':82 'input':246 'key':163 'know':239 'lack':232 'limit':166 'live':222 'lowpaymentfee' 'lowpaymentfee.com':32,49 'made':150 'make':235 'maxamountrequir':119 'network':102 'no-api-key' 'no-rate-limit' 'on-chain':174 'openapi':203 'page':188 'paid':9,23 'paramet':247 'pay':56 'pay-per-call API' 'pay-per-request':55 'payload':216 'payment':148,177 'paywal':46 'per':11,25,57,94,139 'per-cal':10,24 'platform':50 'post':251 'price':73,91,147 'probe':110 'prompt':195 'proper':227 'protocol':106 'provid':33 'pure':172 'quot':78 'rate':76,165 'receipt':5,19,39,215 'render':190 'request':58,95 'request/response':206 'requir':168 'respond':224 'return':112,243 'schema':207 'scheme':155 'second':159 'sentiment':65 'settl':96 'sinc':131 'site':144 'span':60 'spars':181 'spec':204 'specif':37,108 'substant':198 'suit':53 'summar':67 'timeout':160 'token':77 'transact':4,18,38,40 'transaction receipt API' 'transaction-receipt' 'unit':124 'usdc':14,28,98,126,132 'usdc-settlement' 'use':133 'util':83 'valid':85,114 'via':103,151 'wallet':194 'web3':71 'x402':2,16,45,105,115,153 'x402 API' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"4cf8a855-7040-47cf-8e7c-e483c5d045b6","listingId":"015ca9cf-39ff-491f-b129-6eef76431e6f","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/transactions/367/receipt","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T19:26:34.968Z"}],"sources":[{"listingId":"015ca9cf-39ff-491f-b129-6eef76431e6f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/transactions/367/receipt","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T19:26:34.968Z","lastSeenAt":"2026-04-24T05:03:16.310Z"}],"details":{"listingId":"015ca9cf-39ff-491f-b129-6eef76431e6f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/transactions/367/receipt \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"All endpoints priced at $0.02 per request with no API keys, no rate limits, on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"x402 challenge returns maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base","source_url":"https://lowpaymentfee.com/api/v1/transactions/367/receipt"},{"claim":"Platform advertises APIs for analytics, AI/ML, finance/Web3, and infrastructure utilities","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving transaction receipt data for transaction 367 via a single paid API call","Programmatic access to receipt information without traditional API key management","Agent-driven workflows that need to fetch financial transaction records on-demand"],"bestFor":["Developers experimenting with x402 payment protocol integrations","Agents that can settle USDC payments on Base for per-call API access","Use cases requiring keyless, pay-as-you-go API access"],"notFor":["Production workloads requiring documented request/response schemas","Bulk retrieval of many transaction receipts (only one transaction ID is exposed at this endpoint)","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:37.522Z"},"updatedAt":"2026-04-24T05:03:16.310Z"}}