{"id":"636dd2fe-63ad-468d-a018-26bf2cdd893e","shortId":"VPj8RV","kind":"x402","title":"Pay-per-call earnings data for Regeneron (REGN) via x402 on Base network.","tagline":"Pay-per-call earnings data for Regeneron (REGN) via x402 on Base network.","description":"This endpoint provides financial earnings data for Regeneron Pharmaceuticals (ticker: REGN) through the x402 payment protocol. It is hosted on lowpaymentfee.com, a platform offering various pay-per-request APIs across finance, AI, analytics, and infrastructure categories. Payment is settled in USDC on the Base network.\n\nThe endpoint accepts POST requests and returns JSON. The x402 challenge confirms the endpoint is live and charges 20,000 base units of USDC (which, at 6 decimals, equals $0.02 per request). The platform advertises no API keys, no rate limits, and instant access — you simply attach an x402 payment header to each call.\n\nNote that documentation beyond the landing page is essentially empty (all doc/pricing/API pages just show \"Connect wallet\"), so the exact request body schema and response format for this earnings endpoint are not documented. The endpoint is part of a broader finance category on the platform that also includes price feeds, exchange rates, token quotes, and gas estimates.","tags":[],"capabilities":["financial-earnings-data","per-request-payment","x402-protocol","usdc-settlement","base-network","no-api-key","json-response"],"categories":["finance"],"synonyms":["REGN earnings","Regeneron financials","stock earnings API","equity earnings data","financial data API","x402 finance endpoint"],"warnings":["No API documentation available — all doc pages return only 'Connect wallet'","Request body schema and response format are undocumented","Cannot verify what earnings data fields are actually returned","Platform appears to be a generic multi-category API host; data provenance for REGN earnings is unknown"],"endpointUrl":"https://lowpaymentfee.com/api/v1/finance/REGN/earnings","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/finance/REGN/earnings","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02/request in USDC on Base), but there is no documented request schema, no response example, and all documentation pages are empty beyond the landing page. Effectively a stub 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'000':94 '20':93 '6':101 'REGN earnings' 'Regeneron financials' 'accept':77 'access':118 'across':59 'advertis':109 'ai':61 'also':175 'analyt':62 'api':58,111 'attach':121 'base':13,27,73,95 'base-network' 'beyond':132 'bodi':150 'broader':168 'call':4,18,128 'categori':65,170 'challeng':85 'charg':92 'confirm':86 'connect':144 'data':6,20,34 'decim':102 'doc/pricing/api':140 'document':131,161 'earn':5,19,33,157 'empti':138 'endpoint':30,76,88,158,163 'equal':103 'equity earnings data' 'essenti':137 'estim':185 'exact':148 'exchang':179 'feed':178 'financ':60,169 'financi':32 'financial data API' 'financial-earnings-data' 'format':154 'gas':184 'header':125 'host':47 'includ':176 'infrastructur':64 'instant':117 'json':82 'json-response' 'key':112 'land':134 'limit':115 'live':90 'lowpaymentfee.com':49 'network':14,28,74 'no-api-key' 'note':129 'offer':52 'page':135,141 'part':165 'pay':2,16,55 'pay-per-cal':1,15 'pay-per-request':54 'payment':43,66,124 'per':3,17,56,105 'per-request-payment' 'pharmaceut':37 'platform':51,108,173 'post':78 'price':177 'protocol':44 'provid':31 'quot':182 'rate':114,180 'regeneron':8,22,36 'regn':9,23,39 'request':57,79,106,149 'respons':153 'return':81 'schema':151 'settl':68 'show':143 'simpli':120 'stock earnings API' 'ticker':38 'token':181 'unit':96 'usdc':70,98 'usdc-settlement' 'various':53 'via':10,24 'wallet':145 'x402':11,25,42,84,123 'x402 finance endpoint' 'x402-protocol'","prices":[{"id":"010c2e59-a36a-4ed9-b725-bdd81beb9460","listingId":"636dd2fe-63ad-468d-a018-26bf2cdd893e","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/finance/REGN/earnings","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:34:03.501Z"}],"sources":[{"listingId":"636dd2fe-63ad-468d-a018-26bf2cdd893e","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/finance/REGN/earnings","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:34:03.501Z","lastSeenAt":"2026-04-23T20:01:29.922Z"}],"details":{"listingId":"636dd2fe-63ad-468d-a018-26bf2cdd893e","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/finance/REGN/earnings \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge advertising 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/finance/REGN/earnings"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/finance/REGN/earnings"}],"useCases":["Retrieving Regeneron (REGN) earnings data programmatically","Building automated financial analysis pipelines that pay per call","Agent-driven portfolio research without managing API keys"],"bestFor":["AI agents needing on-demand earnings data without subscription","Developers who want pay-as-you-go financial data on Base","Crypto-native applications integrating equity fundamentals"],"notFor":["Bulk historical earnings downloads (no documented batch mode)","Users who need detailed API documentation before integrating","Free-tier or zero-cost financial data consumers"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:16:34.702Z"},"updatedAt":"2026-04-23T20:01:29.922Z"}}