{"id":"38812963-a856-4fbf-8829-8161b9b662b6","shortId":"aaZhQW","kind":"x402","title":"Pay-per-call stock quote for RTX via x402 on Base, settled in USDC at $0.02/request.","tagline":"Pay-per-call stock quote for RTX via x402 on Base, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides stock data for the ticker RTX (Raytheon Technologies) through an x402 payment-gated API. Each call costs $0.02 in USDC on the Base network — no API keys, no rate limits, and no subscriptions required. The endpoint accepts POST requests and returns JSON.\n\nThe provider, lowpaymentfee.com, hosts a broad 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/RTX` falls under the finance category, though it is not explicitly listed on the landing page alongside the other finance endpoints (prices, rates, token quotes, gas estimates). This suggests the stocks path may be a dynamic route accepting arbitrary ticker symbols.\n\nPayment is handled via the x402 protocol: callers send an `X-PAYMENT` header containing a signed USDC payment of up to 20,000 base units (i.e., $0.02, since USDC uses 6 decimals) to the payee address on Base. The payment timeout is 300 seconds. No OpenAPI schema, detailed documentation, or example responses were found in the crawl — the docs, pricing, and API pages all returned only a \"Connect wallet\" prompt with no substantive content.","tags":[],"capabilities":["stock-quote","per-call-payment","x402-protocol","usdc-settlement","base-network","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["stock price API","RTX stock data","Raytheon stock quote","equity price feed","x402 stock API","pay-per-call stock data","USDC stock API"],"warnings":["No OpenAPI or response schema available — request and response formats are unknown","The /api/v1/stocks/RTX path is not listed on the provider's landing page; it may be undocumented or experimental","All docs, pricing, and API pages returned only 'Connect wallet' with no substantive documentation","Cannot confirm what fields (price, volume, timestamp, etc.) the response includes"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/RTX","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/RTX","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 captured) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no documented request/response format, no example payloads, and the docs pages are empty. The specific /stocks/RTX path is not listed on the provider's landing page, so its exact capabilities are inferred rather than 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'/request':18,36 '0.02':17,35,60,113,187 '000':183 '20':182 '300':203 '6':191 'RTX stock data' 'Raytheon stock quote' 'USDC stock API' 'accept':79,156 'address':196 'ai/ml':101 'alongsid':135 'analyt':100 'api':56,68,97,222 'arbitrari':157 'base':12,30,65,184,198 'base-network' 'broad':90 'call':4,22,58,96 'caller':167 'catalog':91 'categori':124 'connect':228 'contain':174 'content':234 'cost':59 'crawl':217 'data':43,99,105 'decim':192 'detail':208 'doc':219 'document':209 'dynam':154 'endpoint':38,78,118,139 'equity price feed' 'estim':145 'exampl':211 'explicit':129 'fall':120 'financ':123,138 'finance/crypto':103 'found':214 'gas':144 'gate':55 'handl':162 'header':173 'host':88 'i.e':186 'infer':102 'json':84 'json-response' 'key':69 'land':133 'limit':72 'list':130 'lowpaymentfee.com':40,87 'market':104 'may':151 'network':66 'no-api-key' 'openapi':206 'page':134,223 'path':150 'pay':2,20,94 'pay-per-cal':1,19,93 'pay-per-call stock data' 'paye':195 'payment':54,160,172,178,200 'payment-g':53 'per':3,21,95,114 'per-call-payment' 'post':80 'price':110,140,220 'prompt':230 'protocol':166 'provid':41,86 'quot':6,24,143 'rate':71,141 'raytheon':48 'request':81,115 'requir':76 'respons':212 'return':83,225 'rout':155 'rtx':8,26,47 'schema':207 'second':204 'send':168 'servic':108 'settl':13,31 'sign':176 'sinc':188 'span':98 'specif':117 'stock':5,23,42,149 'stock price API' 'stock-quote' 'subscript':75 'substant':233 'suggest':147 'symbol':159 'technolog':49 'though':125 'ticker':46,158 'timeout':201 'token':142 'uniform':111 'unit':185 'usdc':15,33,62,177,189 'usdc-settlement' 'use':190 'util':107 'via':9,27,163 'wallet':229 'x':171 'x-payment':170 'x402':10,28,52,165 'x402 stock API' 'x402-protocol'","prices":[{"id":"f6429115-09c0-4572-8a57-3f70f30a6c1f","listingId":"38812963-a856-4fbf-8829-8161b9b662b6","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/RTX","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:37:23.408Z"}],"sources":[{"listingId":"38812963-a856-4fbf-8829-8161b9b662b6","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/RTX","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:37:23.408Z","lastSeenAt":"2026-04-29T10:34:25.219Z"}],"details":{"listingId":"38812963-a856-4fbf-8829-8161b9b662b6","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/RTX \\\n  -H \"X-PAYMENT: <x402-signed-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":"Endpoint returns 402 with x402 challenge requiring USDC payment on Base","source_url":"https://lowpaymentfee.com/api/v1/stocks/RTX"},{"claim":"maxAmountRequired is 20000 base units of USDC (6 decimals) = $0.02","source_url":"https://lowpaymentfee.com/api/v1/stocks/RTX"},{"claim":"Provider advertises $0.02/request, no API keys, no rate limits, 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/RTX"}],"useCases":["Fetching real-time or recent stock price data for RTX (Raytheon Technologies)","Programmatic stock lookups from AI agents that can settle micropayments on Base","Building trading dashboards or alerts without managing API key subscriptions"],"bestFor":["Agents or bots that can pay per call via x402 on Base","Developers who want zero-signup access to stock data","Low-volume or sporadic stock data needs where $0.02/call is economical"],"notFor":["High-frequency trading requiring sub-millisecond latency and bulk pricing","Users who cannot transact in USDC on the Base network","Anyone needing comprehensive historical stock data or full OHLCV candles (no evidence this is supported)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:45.063Z"},"updatedAt":"2026-04-29T10:34:25.219Z"}}