{"id":"0784d136-1b5b-49d9-ac30-761cf267d874","shortId":"u2SE4w","kind":"x402","title":"Pay-per-call stock quote for CVS via x402 on Base, settled in USDC at $0.02/request.","tagline":"Pay-per-call stock quote for CVS via x402 on Base, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides stock data for CVS (CVS Health Corporation) through an x402-gated API call. 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 rate limits 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 endpoints spanning data analytics, AI/ML inference, finance/crypto market data, and utility services, all priced uniformly at $0.02 per request. The specific /api/v1/stocks/CVS endpoint is not listed on the provider's landing page among the showcased APIs, but the x402 challenge is live and returns a well-formed 402 response. Documentation is extremely thin — the /docs, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further content.\n\nBecause there is no OpenAPI schema, no example request/response payloads, and no documentation describing the response format, the exact fields returned are unknown. Callers should expect a JSON object with stock price or quote data for CVS, but the structure must be discovered empirically.","tags":[],"capabilities":["stock-quote","x402-payment","usdc-settlement","base-network","pay-per-call","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["stock price API","CVS stock data","equity quote","stock market data","x402 stock endpoint","pay-per-call finance API","CVS Health stock"],"warnings":["No documentation available — /docs, /pricing, and /README pages are empty beyond a wallet connect prompt","The /api/v1/stocks/CVS endpoint is not listed among the provider's advertised APIs on the landing page","No OpenAPI or output schema provided; response structure must be discovered empirically","Unknown data source for stock quotes — freshness and accuracy cannot be verified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/CVS","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/CVS","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge is live and well-formed, confirming the endpoint exists and accepts payment. However, there is no documentation, no OpenAPI schema, no example request or response, and the /api/v1/stocks/CVS path is not even listed on the provider's own landing page. The response format is entirely 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'/docs':180 '/pricing':181 '/readme':183 '/request':18,36 '0.02':17,35,81,141 '000':85 '0x8335':74 '20':84 '2913':75 '402':173 '6':89 'CVS Health stock' 'CVS stock data' 'accept':58 'ai/ml':129 'among':157 'analyt':128 'api':54,92,160 'attach':101 'base':12,30,69,86 'base-network' 'broad':118 'call':4,22,55,124 'caller':99,219 'catalog':119 'challeng':164 'connect':189 'content':195 'contract':73 'corpor':48 'cost':79 'cvs':8,26,45,46,232 'data':43,127,133,230 'decim':90 'describ':209 'discov':238 'document':175,208 'empir':239 'endpoint':38,57,125,147 'equity quote' 'exact':214 'exampl':203 'expect':221 'extrem':177 'field':215 'finance/crypto':131 'form':172 'format':212 'gate':53 'header':106 'health':47 'host':116 'infer':130 'json':63,223 'json-response' 'key':93 'land':155 'limit':96 'list':150 'live':166 'lowpaymentfee.com':40,115 'market':132 'maximum':78 'must':236 'network':70 'no-api-key' 'object':224 'openapi':200 'page':156,184 'pay':2,20,122 'pay-per-cal':1,19,121 'pay-per-call' 'pay-per-call finance API' 'payload':205 'payment':64,105,111 'per':3,21,82,123,142 'post':59 'price':138,227 'prompt':191 'proof':112 'provid':41,114,153 'quot':6,24,229 'rate':95 'render':186 'request':60,83,143 'request/response':204 'requir':98 'respons':174,211 'return':62,168,216 'schema':201 'servic':136 'settl':13,31,66 'showcas':159 'simpli':100 'span':126 'specif':145 'stock':5,23,42,226 'stock market data' 'stock price API' 'stock-quote' 'structur':235 'thin':178 'uniform':139 'unit':87 'unknown':218 'usdc':15,33,72 'usdc-settlement' 'use':71 'util':135 'valid':109 'via':9,27 'wallet':190 'well':171 'well-form':170 'x':104 'x-payment':103 'x402':10,28,52,110,163 'x402 stock endpoint' 'x402-gated':51 'x402-payment'","prices":[{"id":"93b47526-ca51-4e27-9d76-206c2fdf5bcc","listingId":"0784d136-1b5b-49d9-ac30-761cf267d874","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/CVS","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:36:31.286Z"}],"sources":[{"listingId":"0784d136-1b5b-49d9-ac30-761cf267d874","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/CVS","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:36:31.286Z","lastSeenAt":"2026-04-29T13:04:25.744Z"}],"details":{"listingId":"0784d136-1b5b-49d9-ac30-761cf267d874","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/CVS \\\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 x402 challenge returns maxAmountRequired of 20000 in USDC (6 decimals) on Base, equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/stocks/CVS"},{"claim":"The provider advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/stocks/CVS"},{"claim":"Documentation pages (/docs, /pricing, /README) render only a 'Connect wallet' prompt with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Fetching current CVS Health stock price or quote data on demand","Integrating real-time equity data into trading bots or dashboards without API key management","Agent-driven portfolio monitoring that pays per request with USDC on Base"],"bestFor":["Agents or apps needing on-demand CVS stock data with crypto micropayments","Developers who want keyless, pay-as-you-go stock data access","x402-compatible clients on the Base network"],"notFor":["Bulk historical stock data downloads (no batch endpoint documented)","Users who need detailed documentation or guaranteed response schemas before integrating","Non-crypto payment workflows — only USDC on Base is accepted"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:47.513Z"},"updatedAt":"2026-04-29T13:04:25.744Z"}}