{"id":"24c10c75-7cf6-422e-a84f-f23408bf0ff1","shortId":"2eXdRb","kind":"x402","title":"Pay-per-call stock data for ITW via x402 on Base, settled in USDC at $0.02/request.","tagline":"Pay-per-call stock data for ITW via x402 on Base, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides stock data for the ticker ITW (Illinois Tool Works) via an x402 pay-per-call model. The endpoint accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) at a maximum cost of $0.02 per request (20,000 base units with 6 decimals). No API keys or subscriptions are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.\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/ITW` falls under the finance category, though the site's landing page lists it under a general \"stocks\" path rather than the explicitly advertised finance endpoints. Documentation is extremely thin — the /docs, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail.\n\nBecause there is no OpenAPI schema, no response examples, and no documentation beyond the landing page listing, the exact shape of the response (fields, data freshness, historical vs. real-time) is unknown. Callers should expect a JSON payload with stock-related data for ITW but should verify the response structure empirically.","tags":[],"capabilities":["stock-data","pay-per-call","x402-payment","usdc-settlement","base-network","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["stock price API","ITW stock data","Illinois Tool Works API","x402 stock endpoint","crypto-paid stock API","USDC stock data","Base network finance API"],"warnings":["No documentation available — /docs, /pricing, and /README pages render only a wallet-connect prompt","No OpenAPI or response schema provided; response structure must be discovered empirically","The /api/v1/stocks/ path is not listed on the provider's landing page among advertised endpoints","Data freshness (real-time vs. delayed vs. EOD) is unspecified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/ITW","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/ITW","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 response examples, and no meaningful documentation — /docs, /pricing, and /README all show only 'Connect wallet'. The exact response format and data content are 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'/docs':180 '/pricing':181 '/readme':183 '/request':18,36 '0.02':17,35,84,143 '000':88 '0x8335':77 '20':87 '2913':78 '6':92 'Base network finance API' 'ITW stock data' 'Illinois Tool Works API' 'USDC stock data' 'accept':61 'advertis':172 'ai/ml':131 'analyt':130 'api':95,127 'attach':103 'base':12,30,72,89 'base-network' 'beyond':209 'broad':120 'call':4,22,57,126 'caller':101,230 'catalog':121 'categori':154 'connect':189 'contract':76 'cost':82 'crypto-paid stock API' 'data':6,24,43,129,135,221,240 'decim':93 'detail':196 'document':175,208 'empir':249 'endpoint':38,60,148,174 'exact':215 'exampl':205 'expect':232 'explicit':171 'extrem':177 'fall':150 'field':220 'financ':153,173 'finance/crypto':133 'fresh':222 'general':165 'header':108 'histor':223 'host':118 'illinoi':48 'infer':132 'itw':8,26,47,242 'json':66,234 'json-response' 'key':96 'land':159,211 'list':161,213 'lowpaymentfee.com':40,117 'market':134 'maximum':81 'model':58 'network':73 'no-api-key' 'openapi':201 'page':160,184,212 'path':167 'pay':2,20,55,124 'pay-per-cal':1,19,54,123 'pay-per-call' 'payload':235 'payment':67,107,113 'per':3,21,56,85,125,144 'post':62 'price':140 'prompt':191 'proof':114 'provid':41,116 'rather':168 'real':226 'real-tim':225 'relat':239 'render':186 'request':63,86,145 'requir':100 'respons':204,219,247 'return':65 'schema':202 'servic':138 'settl':13,31,69 'shape':216 'simpli':102 'site':157 'span':128 'specif':147 'stock':5,23,42,166,238 'stock price API' 'stock-data' 'stock-rel':237 'structur':248 'subscript':98 'technic':195 'thin':178 'though':155 'ticker':46 'time':227 'tool':49 'uniform':141 'unit':90 'unknown':229 'usdc':15,33,75 'usdc-settlement' 'use':74 'util':137 'valid':111 'verifi':245 'via':9,27,51 'vs':224 'wallet':190 'work':50 'x':106 'x-payment':105 'x402':10,28,53,112 'x402 stock endpoint' 'x402-payment'","prices":[{"id":"e172025e-48eb-4e5f-a165-d68fcf57b5b2","listingId":"24c10c75-7cf6-422e-a84f-f23408bf0ff1","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/ITW","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:34:27.478Z"}],"sources":[{"listingId":"24c10c75-7cf6-422e-a84f-f23408bf0ff1","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/ITW","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:34:27.478Z","lastSeenAt":"2026-04-23T20:01:31.760Z"}],"details":{"listingId":"24c10c75-7cf6-422e-a84f-f23408bf0ff1","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/ITW \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_proof>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge requesting USDC payment on Base network with maxAmountRequired of 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/stocks/ITW"},{"claim":"The provider advertises $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 contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stocks/ITW"}],"useCases":["Retrieve stock data for ITW (Illinois Tool Works) on demand without subscriptions","Integrate pay-per-call stock lookups into autonomous agent workflows","Access financial data using crypto payments on Base L2"],"bestFor":["Agents or apps needing occasional stock lookups without API key management","Developers wanting crypto-native pay-per-use financial data","Prototyping financial dashboards with low-commitment data access"],"notFor":["High-frequency trading requiring sub-millisecond latency and guaranteed SLAs","Bulk historical stock data downloads across many tickers","Users who need detailed documentation or guaranteed response schemas before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T17:21:50.038Z"},"updatedAt":"2026-04-23T20:01:31.760Z"}}