{"id":"e0f02178-a8d2-431f-8926-98d395d26f26","shortId":"X4tTUJ","kind":"x402","title":"Earnings data for AMGN (Amgen) via x402 micropayment on Base, $0.02 per request.","tagline":"Earnings data for AMGN (Amgen) via x402 micropayment on Base, $0.02 per request.","description":"This endpoint provides earnings data for Amgen (ticker: AMGN) through the lowpaymentfee.com finance API. It is part of a broader suite of pay-per-call APIs covering finance, analytics, AI/ML, crypto, and utility services, all gated behind the x402 payment protocol on the Base network.\n\nThe endpoint accepts POST requests and returns JSON. Payment is settled in USDC on Base (contract 0x8335…2913) at a cost of $0.02 per request (20,000 base units with 6 decimals). There are no API keys, no rate limits, and no subscription commitments — each call is individually paid via the X-PAYMENT header using the x402 exact-payment scheme.\n\nDocumentation beyond the landing page is extremely sparse: the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no example request/response payloads, and no description of the earnings data schema returned. The endpoint is confirmed live (402 challenge captured), but the actual response format and data coverage (historical quarters, EPS, revenue, etc.) are unknown.","tags":[],"capabilities":["earnings-data","finance-api","x402-payment","usdc-settlement","base-network","per-request-pricing","no-api-key"],"categories":["finance"],"synonyms":["AMGN earnings","Amgen earnings API","stock earnings data","quarterly earnings","EPS data","financial data API","x402 finance"],"warnings":["No API documentation available — /docs, /pricing, /api, and /README all return only a 'Connect wallet' prompt","No OpenAPI or output schema provided; the structure of the earnings response is unknown","No example request or response payloads available","Cannot verify what earnings fields (EPS, revenue, quarters, etc.) are included in the response"],"endpointUrl":"https://lowpaymentfee.com/api/v1/finance/AMGN/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/AMGN/earnings","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live via a valid 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and no example payloads. The actual data returned is entirely unknown, making this effectively a stub 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application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge, confirming it is live","source_url":"https://lowpaymentfee.com/api/v1/finance/AMGN/earnings"},{"claim":"Payment is 20,000 base units of USDC (6 decimals = $0.02) on Base network","source_url":"https://lowpaymentfee.com/api/v1/finance/AMGN/earnings"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/finance/AMGN/earnings"},{"claim":"Site advertises $0.02/request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Finance & Web3 category includes price feeds, exchange rates, token quotes, and gas estimates","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving Amgen (AMGN) earnings data for financial 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