{"id":"250b4447-0c73-46ab-988d-aa3b438bfb8d","shortId":"EJePmm","kind":"x402","title":"OHLCV candlestick data for FLOW token, paid per-request via x402 on Base.","tagline":"OHLCV candlestick data for FLOW token, paid per-request via x402 on Base.","description":"This endpoint provides OHLCV (Open, High, Low, Close, Volume) market data for the FLOW cryptocurrency token. It is part of the lowpaymentfee.com platform, which offers a suite of data, analytics, AI, finance, and utility APIs all payable per-request via the x402 protocol on the Base network using USDC.\n\nThe endpoint is accessed via HTTP POST at `/api/v1/crypto/FLOW/ohlcv`. Each request costs $0.02 in USDC (maxAmountRequired of 20,000 base units with 6 decimals = $0.02), settled on-chain on Base to the provider's wallet. No API keys, accounts, or rate limits are required — payment is handled entirely through the x402 payment header.\n\nThe provider's landing page lists a broad catalog of endpoints across crypto, finance, AI/ML, and utility categories, all at the same $0.02/request price point. However, documentation is extremely sparse: the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI schema, no request/response examples, and no documentation of accepted parameters or response format for this OHLCV endpoint. Users should expect to experiment or contact the provider for integration details.","tags":[],"capabilities":["ohlcv-data","crypto-market-data","flow-token","x402-payment","per-request-pricing","base-network","usdc-settlement"],"categories":["finance","crypto"],"synonyms":["FLOW candlestick data","FLOW price history","FLOW OHLCV API","crypto OHLCV","FLOW market data","candlestick chart data","FLOW token price"],"warnings":["No API documentation available — docs, pricing, and README pages all show only 'Connect wallet'","No OpenAPI or JSON schema describing request parameters or response format","Response structure for OHLCV data is completely undocumented; users must guess or experiment","The provider hosts many endpoints but none appear individually documented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/crypto/FLOW/ohlcv","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/crypto/FLOW/ohlcv","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge with clear pricing. However, there is no OpenAPI schema, no request/response documentation, no examples, and all doc pages render only 'Connect wallet'. The actual request parameters and response format are entirely 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'/request':156 '0.02':91,103,155 '000':97 '20':96 '6':101 'FLOW OHLCV API' 'FLOW candlestick data' 'FLOW market data' 'FLOW price history' 'FLOW token price' 'accept':195 'access':82 'account':118 'across':144 'ai':59 'ai/ml':147 'analyt':58 'api':63,116,166 'base':14,28,75,98,109 'base-network' 'broad':140 'candlestick':2,16 'candlestick chart data' 'catalog':141 'categori':150 'chain':107 'close':36 'connect':175 'contact':210 'cost':90 'crypto':145 'crypto OHLCV' 'crypto-market-data' 'cryptocurr':43 'data':3,17,39,57 'decim':102 'detail':182,215 'doc':165 'document':160,193 'endpoint':30,80,143,203 'entir':127 'exampl':190 'expect':206 'experi':208 'extrem':162 'financ':60,146 'flow':5,19,42 'flow-token' 'format':199 'handl':126 'header':132 'high':34 'howev':159 'http':84 'integr':214 'key':117 'land':136 'limit':121 'list':138 'low':35 'lowpaymentfee.com':50 'market':38 'maxamountrequir':94 'network':76 'offer':53 'ohlcv':1,15,32,202 'ohlcv-data' 'on-chain':105 'open':33 'openapi':186 'page':137,170 'paid':7,21 'paramet':196 'part':47 'payabl':65 'payment':124,131 'per':9,23,67 'per-request':8,22,66 'per-request-pricing' 'platform':51 'point':158 'post':85 'price':157,167 'prompt':177 'protocol':72 'provid':31,112,134,212 'rate':120 'readm':169 'render':172 'request':10,24,68,89 'request/response':189 'requir':123 'respons':198 'schema':187 'settl':104 'spars':163 'suit':55 'technic':181 'token':6,20,44 'unit':99 'usdc':78,93 'usdc-settlement' 'use':77 'user':204 'util':62,149 'via':11,25,69,83 'volum':37 'wallet':114,176 'x402':12,26,71,130 'x402-payment'","prices":[{"id":"635324eb-fd9a-4540-b13a-5f1c73598ecc","listingId":"250b4447-0c73-46ab-988d-aa3b438bfb8d","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/crypto/FLOW/ohlcv","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:32:30.289Z"}],"sources":[{"listingId":"250b4447-0c73-46ab-988d-aa3b438bfb8d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/crypto/FLOW/ohlcv","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:32:30.289Z","lastSeenAt":"2026-04-23T20:01:22.200Z"}],"details":{"listingId":"250b4447-0c73-46ab-988d-aa3b438bfb8d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/crypto/FLOW/ohlcv \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\n  -d '{}'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/crypto/FLOW/ohlcv"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/crypto/FLOW/ohlcv"}],"useCases":["Fetching historical OHLCV candlestick data for the FLOW token","Building trading dashboards or charting tools that display FLOW price action","Backtesting trading strategies using FLOW price and volume data","Integrating FLOW market data into automated trading agents"],"bestFor":["Agents or apps needing on-demand FLOW OHLCV data without API key management","Pay-per-use crypto market data with no subscription commitment","x402-native workflows that settle payments on Base in USDC"],"notFor":["Users needing comprehensive API documentation or guaranteed SLA","High-frequency trading requiring sub-second latency guarantees","Accessing OHLCV data for tokens other than FLOW (separate endpoints exist)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T19:17:18.25Z"},"updatedAt":"2026-04-23T20:01:22.200Z"}}