{"id":"66103864-04e9-4d38-99cd-4a1da9dbbbaa","shortId":"4nrzTP","kind":"x402","title":"Historical stock data for ticker SO via x402 micropayment on Base, $0.02 per request.","tagline":"Historical stock data for ticker SO via x402 micropayment on Base, $0.02 per request.","description":"This endpoint provides historical stock data for the ticker SO (Southern Company) through the lowpaymentfee.com platform. It is an x402-enabled API that requires a per-request USDC micropayment of $0.02 on the Base network. No API keys, rate limits, or subscriptions are needed — callers simply attach an x402 payment header to each POST request.\n\nThe endpoint is part of a broader suite of APIs offered by lowpaymentfee.com spanning data analytics, AI/ML inference, finance/crypto market data, and utility services, all priced uniformly at $0.02 per call. The specific `/api/v1/stocks/SO/history` route is not listed on the provider's landing page among the featured endpoints, but the x402 challenge confirms it is live and accepting payments. The response MIME type is `application/json`.\n\nDocumentation is extremely sparse — the docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI schema, no request/response examples, and no description of query parameters or response fields. The stock history endpoint's exact input parameters (e.g., date range, interval) and output schema are unknown and must be discovered experimentally.","tags":[],"capabilities":["stock-history","historical-market-data","x402-micropayment","usdc-payment","base-network","per-request-pricing","no-api-key"],"categories":["finance","data"],"synonyms":["stock price history","SO stock data","Southern Company historical prices","equity market data","stock ticker history","x402 stock API","micropayment stock data"],"warnings":["No documentation available — docs, pricing, and API pages all show only 'Connect wallet' with no technical content.","The /api/v1/stocks/SO/history endpoint is not listed among the provider's advertised APIs on the landing page.","Request parameters and response schema are completely undocumented; the example request JSON above is speculative.","No OpenAPI or machine-readable schema is provided."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/SO/history","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/SO/history","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), but there is no documentation, no OpenAPI schema, no request/response examples, and the endpoint is not even listed on the provider's landing page. Input parameters and response format are entirely 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'0.02':12,26,61,114 'SO stock data' 'Southern Company historical prices' 'accept':143 'ai/ml':102 'among':130 'analyt':101 'api':51,67,95,159 'application/json':150 'attach':77 'base':11,25,64 'base-network' 'broader':92 'call':116 'caller':75 'challeng':137 'compani':40 'confirm':138 'connect':165 'data':3,17,34,100,106 'date':199 'descript':183 'detail':172 'discov':210 'doc':156 'document':151 'e.g':198 'enabl':50 'endpoint':30,87,133,193 'equity market data' 'exact':195 'exampl':180 'experiment':211 'extrem':153 'featur':132 'field':189 'finance/crypto':104 'header':81 'histor':1,15,32 'histori':192 'historical-market-data' 'infer':103 'input':196 'interv':201 'key':68 'land':128 'limit':70 'list':123 'live':141 'lowpaymentfee.com':43,98 'market':105 'micropay':9,23,59 'micropayment stock data' 'mime':147 'must':208 'need':74 'network':65 'no-api-key' 'offer':96 'openapi':176 'output':203 'page':129,160 'paramet':186,197 'part':89 'payment':80,144 'per':13,27,56,115 'per-request':55 'per-request-pricing' 'platform':44 'post':84 'price':111,157 'prompt':167 'provid':31,126 'queri':185 'rang':200 'rate':69 'render':162 'request':14,28,57,85 'request/response':179 'requir':53 'respons':146,188 'rout':120 'schema':177,204 'servic':109 'simpli':76 'southern':39 'span':99 'spars':154 'specif':118 'stock':2,16,33,191 'stock price history' 'stock ticker history' 'stock-history' 'subscript':72 'suit':93 'technic':171 'ticker':5,19,37 'type':148 'uniform':112 'unknown':206 'usdc':58 'usdc-payment' 'util':108 'via':7,21 'wallet':166 'x402':8,22,49,79,136 'x402 stock API' 'x402-enabled':48 'x402-micropayment'","prices":[{"id":"1e92b491-e344-4d72-9e25-556414992ff7","listingId":"66103864-04e9-4d38-99cd-4a1da9dbbbaa","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/SO/history","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:33:56.246Z"}],"sources":[{"listingId":"66103864-04e9-4d38-99cd-4a1da9dbbbaa","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/SO/history","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:56.246Z","lastSeenAt":"2026-04-23T20:01:28.902Z"}],"details":{"listingId":"66103864-04e9-4d38-99cd-4a1da9dbbbaa","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/SO/history \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\n  -d '{}'","exampleRequest":{"period":"1y","ticker":"SO"},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 x402 challenge requiring USDC payment on Base network with maxAmountRequired of 20000 base units ($0.02).","source_url":"https://lowpaymentfee.com/api/v1/stocks/SO/history"},{"claim":"The provider advertises $0.02 per request, no API keys, no rate limits, instant access on Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"The asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 is USDC on Base.","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, pricing, API, and README pages render only a 'Connect wallet' prompt with no further content.","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving historical price data for Southern Company (SO) stock","Building financial dashboards or backtesting trading strategies with SO historical data","Agent-driven portfolio analysis that pays per query without subscription overhead","Programmatic access to stock history with crypto micropayments"],"bestFor":["Developers or agents needing on-demand stock history without API key management","Crypto-native applications that can pay per request in USDC on Base","Low-volume or sporadic queries where a subscription model is wasteful"],"notFor":["High-frequency trading requiring sub-second latency and bulk data feeds","Users who need comprehensive multi-ticker coverage (only SO ticker confirmed at this endpoint)","Teams requiring detailed API documentation and SLA guarantees before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:17:56.894Z"},"updatedAt":"2026-04-23T20:01:28.902Z"}}