{"id":"6cbd0b14-2f9b-449c-ab40-005881407e41","shortId":"UUFfCF","kind":"x402","title":"Pay-per-call stock quote for INTC (Intel) via x402 on Base, settled in USDC.","tagline":"Pay-per-call stock quote for INTC (Intel) via x402 on Base, settled in USDC.","description":"This endpoint at lowpaymentfee.com provides stock data for Intel Corporation (ticker: INTC) through an x402-gated API. Each request costs $0.02 in USDC on the Base network — no API keys, no subscriptions, and no rate limits. The caller sends a POST request with an X-PAYMENT header containing a valid x402 payment proof, and the endpoint returns JSON stock data.\n\nThe provider, lowpaymentfee.com, hosts a broader catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance/crypto market data, and utility services, all priced uniformly at $0.02 per request. The specific endpoint `/api/v1/stocks/INTC` falls under the finance category and is described simply as \"Premium API Access.\" No detailed documentation, request/response schemas, or example payloads are published — the docs, pricing, and README pages all resolve to a minimal \"Connect wallet\" prompt.\n\nBecause no OpenAPI spec, request body schema, or sample response is available, the exact fields returned (e.g., current price, volume, OHLC, market cap) are unknown. Agents should expect a JSON response but must discover the payload structure empirically. The endpoint is confirmed live: it returns a well-formed x402 challenge (HTTP 402) with version 1, scheme \"exact\", asset USDC (0x8335…), and a maxAmountRequired of 20000 base units (i.e., $0.02 given USDC's 6 decimals).","tags":[],"capabilities":["stock-quote","x402-payment","usdc-settlement","base-network","per-call-pricing","no-api-key"],"categories":["finance","data"],"synonyms":["Intel stock price","INTC quote","stock market data","equity price API","x402 stock API","pay-per-call stock data","INTC market data"],"warnings":["No OpenAPI or schema documentation available — response structure is unknown","Docs, pricing, and README pages all render only a 'Connect wallet' prompt with no useful content","Cannot confirm what stock data fields (price, volume, OHLC, etc.) are returned","The provider lists many endpoints across diverse categories; quality and reliability of each is unverified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/INTC","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/stocks/INTC","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 with a valid x402 challenge and clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no documented request/response schema, no example payloads, and the docs pages are empty stubs. The actual data returned is entirely unknown, making this effectively a stub 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'0.02':54,123,236 '0x8335':227 '1':222 '20000':232 '402':219 '6':240 'INTC market data' 'INTC quote' 'Intel stock price' 'access':142 'agent':192 'ai/ml':111 'analyt':110 'api':50,62,107,141 'asset':225 'avail':178 'base':13,29,59,233 'base-network' 'bodi':172 'broader':100 'call':4,20,106 'caller':71 'cap':189 'catalog':101 'categori':134 'challeng':217 'confirm':208 'connect':164 'contain':82 'corpor':42 'cost':53 'current':184 'data':39,94,109,115 'decim':241 'describ':137 'detail':144 'discov':200 'doc':154 'document':145 'e.g':183 'empir':204 'endpoint':34,90,128,206 'equity price API' 'exact':180,224 'exampl':149 'expect':194 'fall':130 'field':181 'financ':133 'finance/crypto':113 'form':215 'gate':49 'given':237 'header':81 'host':98 'http':218 'i.e':235 'infer':112 'intc':8,24,44 'intel':9,25,41 'json':92,196 'key':63 'limit':69 'live':209 'lowpaymentfee.com':36,97 'market':114,188 'maxamountrequir':230 'minim':163 'must':199 'network':60 'no-api-key' 'ohlc':187 'openapi':169 'page':158 'pay':2,18,104 'pay-per-cal':1,17,103 'pay-per-call stock data' 'payload':150,202 'payment':80,86 'per':3,19,105,124 'per-call-pricing' 'post':74 'premium':140 'price':120,155,185 'prompt':166 'proof':87 'provid':37,96 'publish':152 'quot':6,22 'rate':68 'readm':157 'request':52,75,125,171 'request/response':146 'resolv':160 'respons':176,197 'return':91,182,211 'sampl':175 'schema':147,173 'scheme':223 'send':72 'servic':118 'settl':14,30 'simpli':138 'span':108 'spec':170 'specif':127 'stock':5,21,38,93 'stock market data' 'stock-quote' 'structur':203 'subscript':65 'ticker':43 'uniform':121 'unit':234 'unknown':191 'usdc':16,32,56,226,238 'usdc-settlement' 'util':117 'valid':84 'version':221 'via':10,26 'volum':186 'wallet':165 'well':214 'well-form':213 'x':79 'x-payment':78 'x402':11,27,48,85,216 'x402 stock API' 'x402-gated':47 'x402-payment'","prices":[{"id":"39df597b-9f4c-43ee-870f-1f9994362905","listingId":"6cbd0b14-2f9b-449c-ab40-005881407e41","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/stocks/INTC","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:33:04.257Z"}],"sources":[{"listingId":"6cbd0b14-2f9b-449c-ab40-005881407e41","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/INTC","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:04.257Z","lastSeenAt":"2026-04-23T20:01:24.885Z"}],"details":{"listingId":"6cbd0b14-2f9b-449c-ab40-005881407e41","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/INTC \\\n  -H \"X-PAYMENT: <x402_payment_proof>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns a valid x402 challenge with maxAmountRequired 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/stocks/INTC"},{"claim":"All APIs priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/stocks/INTC"}],"useCases":["Fetching real-time or recent Intel (INTC) stock data in an automated trading or research pipeline","Agents that need on-demand equity quotes without managing API keys or subscriptions","Integrating stock price lookups into crypto-native workflows that already hold USDC on Base"],"bestFor":["Developers or agents wanting frictionless, keyless access to INTC stock data","Micro-payment use cases where $0.02 per call is acceptable","x402-compatible agent frameworks that can construct payment proofs on Base"],"notFor":["Bulk or high-frequency trading requiring thousands of calls per second at lower marginal cost","Users who need comprehensive market data (options chains, historical OHLC, fundamentals) — response schema is undocumented","Anyone without USDC on Base or an x402-capable client"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:47:09.629Z"},"updatedAt":"2026-04-23T20:01:24.885Z"}}