{"id":"d739acb7-84e2-4a2a-8499-2d68205e1618","shortId":"AF3WRU","kind":"x402","title":"Pay-per-call stock data for META via x402 on Base, settled in USDC at $0.02/request.","tagline":"Pay-per-call stock data for META via x402 on Base, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides stock data for META (Facebook/Meta Platforms) through an x402-gated API. Each call costs $0.02 in USDC on the Base network — the x402 challenge advertises a maxAmountRequired of 20,000 base units of USDC (6 decimals), which equals $0.02. No API keys or accounts are required; payment is handled inline via the x402 protocol's X-PAYMENT header.\n\nThe provider hosts a broader suite of endpoints spanning data analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance (price feeds, exchange rates, crypto quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation), all priced uniformly at $0.02 per request. However, this specific listing covers only the `/api/v1/stocks/META` endpoint. The endpoint accepts POST requests and returns JSON.\n\nDocumentation is extremely sparse — the docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI schema, no example request/response payloads, and no description of the response format beyond the MIME type `application/json`. The endpoint is confirmed live via a valid 402 challenge response.","tags":[],"capabilities":["stock-data","per-call-payment","x402-protocol","usdc-settlement","base-network","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["META stock price","Facebook stock data","stock quote API","equity data endpoint","x402 stock API","pay-per-call stock data","USDC stock API"],"warnings":["No documentation available — docs, pricing, API, and README pages all show only 'Connect wallet'","No OpenAPI or schema describing request parameters or response format","Response structure for /api/v1/stocks/META is completely undocumented","The provider lists many endpoint categories but specifics on data sources, freshness, and accuracy are absent"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/META","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/META","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live with a valid x402 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no documented request parameters, no example responses, and all documentation pages are empty beyond a wallet-connect prompt. The actual data returned by the stocks/META endpoint is entirely 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'/request':18,36 '0.02':17,35,57,81,140 '000':72 '20':71 '402':211 '6':77 'Facebook stock data' 'META stock price' 'USDC stock API' 'accept':154 'account':86 'advertis':67 'ai/ml':113 'analysi':116 'analyt':112 'api':53,83,167 'application/json':202 'base':12,30,62,73 'base-network' 'beyond':198 'broader':106 'call':4,22,55 'challeng':66,212 'classif':118 'confirm':206 'connect':175 'content':181 'convers':134 'cost':56 'cover':147 'crypto':125 'data':6,24,43,111 'decim':78 'descript':193 'doc':165 'document':160 'embed':119 'endpoint':38,109,151,153,204 'equal':80 'equity data endpoint' 'estim':128 'exampl':188 'exchang':123 'extrem':162 'facebook/meta':46 'feed':122 'financ':120 'format':197 'gas':127 'gate':52 'generat':135 'geocod':132 'handl':91 'header':101 'host':104 'howev':143 'infer':114 'infrastructur':130 'inlin':92 'json':159 'json-response' 'key':84 'list':146 'live':207 'lowpaymentfee.com':40 'maxamountrequir':69 'meta':8,26,45 'mime':200 'network':63 'no-api-key' 'openapi':185 'page':170 'pay':2,20 'pay-per-cal':1,19 'pay-per-call stock data' 'payload':190 'payment':89,100 'per':3,21,141 'per-call-payment' 'platform':47 'post':155 'price':121,137,166 'prompt':177 'protocol':96 'provid':41,103 'quot':126 'rate':124 'readm':169 'render':172 'request':142,156 'request/response':189 'requir':88 'respons':196,213 'return':158 'schema':186 'sentiment':115 'settl':13,31 'span':110 'spars':163 'specif':145 'stock':5,23,42 'stock quote API' 'stock-data' 'suit':107 'summar':117 'type':201 'uniform':138 'unit':74 'usdc':15,33,59,76 'usdc-settlement' 'util':131 'valid':133,210 'via':9,27,93,208 'wallet':176 'x':99 'x-payment':98 'x402':10,28,51,65,95 'x402 stock API' 'x402-gated':50 'x402-protocol'","prices":[{"id":"6e570c25-624a-4cca-9b1e-1d1e01e0668c","listingId":"d739acb7-84e2-4a2a-8499-2d68205e1618","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/META","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:33:03.642Z"}],"sources":[{"listingId":"d739acb7-84e2-4a2a-8499-2d68205e1618","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/META","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:03.642Z","lastSeenAt":"2026-04-23T20:01:24.826Z"}],"details":{"listingId":"d739acb7-84e2-4a2a-8499-2d68205e1618","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/META \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\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 advertising maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/stocks/META"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stocks/META"},{"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":"Provider offers endpoints across data analytics, AI/ML, finance, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching current META/Facebook stock data without API key registration","Agent-driven portfolio monitoring that pays per request in USDC","Integrating real-time equity data into crypto-native applications","Programmatic stock lookups with micropayment settlement on Base"],"bestFor":["Developers wanting zero-signup stock data access","AI agents that can settle x402 payments on Base","Crypto-native apps needing traditional finance data with on-chain payment"],"notFor":["High-frequency trading requiring sub-millisecond latency and bulk data","Users needing comprehensive historical stock data or full market coverage","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T19:02:43.745Z"},"updatedAt":"2026-04-23T20:01:24.826Z"}}