{"id":"38b78f42-bf4a-443a-9bc7-4d163ac8a2d2","shortId":"7KspYx","kind":"x402","title":"Stock quote for PM via x402 micropayment on Base, $0.02 per request in USDC.","tagline":"Stock quote for PM via x402 micropayment on Base, $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides stock data for the ticker PM (Philip Morris International) through an x402-gated API. Each call costs $0.02 in USDC on the Base network — no API keys, no rate limits, and no subscriptions required. The caller simply attaches an X-PAYMENT header with a valid x402 payment proof and receives a JSON response.\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 at $0.02 per request. This specific endpoint (/api/v1/stocks/PM) falls under the finance category. The x402 challenge confirms the endpoint is live, accepts USDC (contract 0x8335…2913) on Base, and pays out to address 0x1A2B…85F3.\n\nDocumentation beyond the landing page is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no example request/response payloads, and no description of the response schema. The endpoint accepts POST requests and returns application/json, but the exact fields in the stock data response are unknown.","tags":[],"capabilities":["x402-payment","stock-quote","usdc-base","pay-per-call","no-api-key","json-response"],"categories":["finance"],"synonyms":["stock price API","PM stock data","Philip Morris stock quote","x402 stock endpoint","micropayment stock API","pay-per-request finance","Base USDC API"],"warnings":["No OpenAPI or schema documentation available — response format is unknown","All documentation pages (/docs, /pricing, /api, /README) render only 'Connect wallet' with no content","No example request or response payloads are available to verify what stock data fields are returned","The endpoint description is generic ('Premium API Access') and does not confirm it returns stock quotes specifically"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/PM","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/PM","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge confirms the endpoint is live and pricing is clear ($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. The actual stock data returned is entirely unknown, making this effectively a stub 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'/api/v1/stocks/pm':122 '/docs':159 '/pricing':160 '/readme':163 '0.02':10,24,52,116 '0x1a2b':148 '0x8335':139 '2913':140 '85f3':149 'Base USDC API' 'PM stock data' 'Philip Morris stock quote' 'accept':136,195 'address':147 'ai/ml':105 'analyt':104 'api':48,60 'application/json':200 'attach':72 'base':9,23,57,142 'beyond':151 'broad':94 'call':50,100 'caller':70 'catalog':95 'categori':127 'challeng':130 'confirm':131 'connect':169 'contract':138 'cost':51 'data':35,103,109,208 'descript':188 'detail':176 'document':150 'endpoint':30,101,121,133,194 'exact':203 'exampl':183 'extrem':156 'fall':123 'field':204 'financ':126 'finance/crypto':107 'gate':47 'header':77 'host':92 'infer':106 'intern':42 'json':87 'json-response' 'key':61 'land':153 'limit':64 'live':135 'lowpaymentfee.com':32,91 'market':108 'micropay':7,21 'micropayment stock API' 'morri':41 'network':58 'no-api-key' 'openapi':180 'page':154,164 'pay':98,144 'pay-per-cal':97 'pay-per-call' 'pay-per-request finance' 'payload':185 'payment':76,82 'per':11,25,99,117 'philip':40 'pm':4,18,39 'post':196 'price':114 'prompt':171 'proof':83 'provid':33,90 'quot':2,16 'rate':63 'receiv':85 'render':166 'request':12,26,118,197 'request/response':184 'requir':68 'respons':88,191,209 'return':199 'schema':192 'servic':112 'simpli':71 'span':102 'spars':157 'spec':181 'specif':120 'stock':1,15,34,207 'stock price API' 'stock-quote' 'subscript':67 'technic':175 'ticker':38 'unknown':211 'usdc':14,28,54,137 'usdc-base' 'util':111 'valid':80 'via':5,19 'wallet':170 'x':75 'x-payment':74 'x402':6,20,46,81,129 'x402 stock endpoint' 'x402-gated':45 'x402-payment'","prices":[{"id":"1ba73def-84ef-4ee2-bd10-8f0691d56b40","listingId":"38b78f42-bf4a-443a-9bc7-4d163ac8a2d2","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/PM","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:32:49.810Z"}],"sources":[{"listingId":"38b78f42-bf4a-443a-9bc7-4d163ac8a2d2","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/PM","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:32:49.810Z","lastSeenAt":"2026-05-02T17:33:11.496Z"}],"details":{"listingId":"38b78f42-bf4a-443a-9bc7-4d163ac8a2d2","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/PM \\\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":"Endpoint returns 402 with x402 challenge accepting USDC on Base network at maxAmountRequired 20000 (=$0.02)","source_url":"https://lowpaymentfee.com/api/v1/stocks/PM"},{"claim":"All endpoints priced at $0.02 per request with no API keys, no rate limits, 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/PM"}],"useCases":["Fetching the latest stock data for PM (Philip Morris) in an automated trading or analytics pipeline","Agents that need on-demand equity quotes without managing API keys or subscriptions","Integrating stock price lookups into crypto-native applications that can settle in USDC on Base"],"bestFor":["Crypto-native agents that can produce x402 payment proofs","Low-volume, on-demand stock data lookups where per-call pricing is preferable to subscriptions","Developers prototyping finance tools who want instant access without signup"],"notFor":["High-frequency trading requiring sub-millisecond latency and bulk data","Users who need comprehensive historical stock data or full market coverage across many tickers","Anyone unable to pay in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:58.524Z"},"updatedAt":"2026-05-02T17:33:11.496Z"}}