{"id":"495e6700-f0c0-4844-ba7e-3ccae270a37e","shortId":"63wMp6","kind":"x402","title":"Market quote data for NOC via x402 micropayment on Base network, $0.02 per request.","tagline":"Market quote data for NOC via x402 micropayment on Base network, $0.02 per request.","description":"This endpoint provides market quote data for the ticker symbol NOC (Northrop Grumman Corporation) through the lowpaymentfee.com platform. It is part of a broader suite of finance and market data APIs that are accessed via the x402 payment protocol on the Base network, settling in USDC.\n\nThe endpoint accepts POST requests and returns JSON. Payment is handled inline via the X-PAYMENT header using the x402 \"exact\" scheme — no API keys, accounts, or rate limits are required. Each request costs $0.02 (20,000 base units of USDC with 6 decimals). The payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 on Base, with a maximum timeout of 300 seconds.\n\nThe lowpaymentfee.com platform hosts additional endpoints across data analytics, AI/ML inference, finance, crypto, and utility categories, all priced uniformly at $0.02 per call. Documentation pages exist but appear to require a wallet connection and contain no further technical detail at this time. Because there is no OpenAPI schema, no example responses, and no documentation describing the response format or accepted request parameters for this specific endpoint, the exact fields returned in the quote are unknown.","tags":[],"capabilities":["market-quote","finance-data","x402-payment","usdc-settlement","base-network","per-request-pricing","no-api-key"],"categories":["finance","market-data"],"synonyms":["NOC stock quote","Northrop Grumman quote","market data API","stock price API","x402 finance endpoint","pay-per-call market data"],"warnings":["No OpenAPI or request/response schema available — request body format and response fields are unknown.","Documentation pages (/docs, /api, /pricing, /README) all render only a 'Connect wallet' prompt with no technical content.","The specific content of the NOC quote (fields, data source, freshness) is undocumented.","Ticker 'NOC' is inferred to be Northrop Grumman; this is not confirmed by the provider."],"endpointUrl":"https://lowpaymentfee.com/api/v1/market/quote/NOC","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/market/quote/NOC","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (returns a valid 402 x402 challenge) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no documented request parameters, no example responses, and the docs pages are empty beyond a wallet-connect prompt. The actual data returned is entirely 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'000':112 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':126 '20':111 '300':134 '6':118 'NOC stock quote' 'Northrop Grumman quote' 'accept':77,195 'access':62 'account':101 'across':142 'addit':140 'address':125 'ai/ml':145 'analyt':144 'api':59,99 'appear':163 'base':10,24,70,113,128 'base-network' 'broader':52 'call':158 'categori':151 'connect':168 'contain':170 'corpor':42 'cost':109 'crypto':148 'data':3,17,34,58,143 'decim':119 'describ':190 'detail':174 'document':159,189 'endpoint':30,76,141,201 'exact':96,203 'exampl':185 'exist':161 'field':204 'financ':55,147 'finance-data' 'format':193 'grumman':41 'handl':85 'header':92 'host':139 'infer':146 'inlin':86 'json':82 'key':100 'limit':104 'lowpaymentfee.com':45,137 'market':1,15,32,57 'market data API' 'market-quote' 'maximum':131 'micropay':8,22 'network':11,25,71 'no-api-key' 'noc':5,19,39 'northrop':40 'openapi':182 'page':160 'paramet':197 'part':49 'pay-per-call market data' 'payment':66,83,91,121 'per':13,27,157 'per-request-pricing' 'platform':46,138 'post':78 'price':153 'protocol':67 'provid':31 'quot':2,16,33,208 'rate':103 'request':14,28,79,108,196 'requir':106,165 'respons':186,192 'return':81,205 'schema':183 'scheme':97 'second':135 'sent':123 'settl':72 'specif':200 'stock price API' 'suit':53 'symbol':38 'technic':173 'ticker':37 'time':177 'timeout':132 'uniform':154 'unit':114 'unknown':210 'usdc':74,116 'usdc-settlement' 'use':93 'util':150 'via':6,20,63,87 'wallet':167 'x':90 'x-payment':89 'x402':7,21,65,95 'x402 finance endpoint' 'x402-payment'","prices":[{"id":"cd3e0f86-a039-452d-894b-0bd74b2ffc81","listingId":"495e6700-f0c0-4844-ba7e-3ccae270a37e","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/market/quote/NOC","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:33:45.988Z"}],"sources":[{"listingId":"495e6700-f0c0-4844-ba7e-3ccae270a37e","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/market/quote/NOC","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:45.988Z","lastSeenAt":"2026-04-22T10:01:10.615Z"}],"details":{"listingId":"495e6700-f0c0-4844-ba7e-3ccae270a37e","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/market/quote/NOC \\\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 a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/market/quote/NOC"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/market/quote/NOC"},{"claim":"Payment recipient is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","source_url":"https://lowpaymentfee.com/api/v1/market/quote/NOC"}],"useCases":["Fetching real-time or recent market quote data for NOC (Northrop Grumman)","Building trading bots or dashboards that need on-demand stock quotes without API key management","Agent-driven workflows that pay per call for financial data on Base network"],"bestFor":["Agents or apps needing quick, keyless access to NOC market quotes","Developers who prefer crypto micropayments over traditional API subscriptions","Low-volume or sporadic market data consumers who want pure pay-per-use pricing"],"notFor":["High-frequency trading requiring sub-second latency guarantees (no SLA documented)","Users needing bulk historical market data downloads","Anyone without a Base-network USDC wallet or x402-compatible client"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:32:23.66Z"},"updatedAt":"2026-04-22T10:01:10.615Z"}}