{"id":"07b7bd30-3686-4f3d-8327-522049c33b8b","shortId":"GMnzxC","kind":"x402","title":"OHLCV candlestick data for Conflux (CFX) via pay-per-request x402 on Base.","tagline":"OHLCV candlestick data for Conflux (CFX) via pay-per-request x402 on Base.","description":"This endpoint provides OHLCV (Open, High, Low, Close, Volume) candlestick data for the Conflux (CFX) cryptocurrency. It is part of the lowpaymentfee.com platform, which offers a suite of data, AI, finance, and utility APIs all payable per-request via the x402 protocol on the Base network.\n\nThe endpoint accepts POST requests and returns JSON. Payment is handled inline via the X-PAYMENT header using the x402 protocol — no API keys, accounts, or rate limits are required. Each request costs $0.02 in USDC (the x402 challenge advertises a maxAmountRequired of 20,000 base units of USDC on Base, which equals $0.02 given USDC's 6 decimals). Settlement occurs on the Base L2 network.\n\nDocumentation beyond the landing page is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a wallet-connect prompt with no substantive content. The exact request body schema (e.g., parameters for time range, interval, or market pair) and the response schema are not documented anywhere in the crawled material. Users will need to experiment or inspect the x402 outputSchema to determine accepted parameters.","tags":[],"capabilities":["ohlcv-data","crypto-market-data","cfx-conflux","x402-payment","per-request-pricing","base-network","usdc-settlement","no-api-key"],"categories":["finance","crypto"],"synonyms":["CFX candlestick data","Conflux OHLCV","crypto OHLCV API","CFX price history","candlestick chart data","Conflux market data","crypto candles API"],"warnings":["No API documentation available — /docs, /api, /pricing, and /README pages all return only a wallet-connect prompt with no content.","Request body schema and response schema are completely undocumented; the example_request_json is speculative.","The platform lists many diverse endpoints (AI, analytics, finance, utilities) all at $0.02 — the breadth and uniformity may indicate a template or early-stage project rather than mature, production-grade services."],"endpointUrl":"https://lowpaymentfee.com/api/v1/crypto/CFX/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/CFX/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 (returns a valid 402 x402 challenge) and pricing is clear ($0.02/request in USDC on Base). However, there is no documentation for request parameters, response schema, or usage examples. The docs, pricing, and README pages are all empty wallet-connect stubs. The example request JSON above is 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'/docs':152 '/pricing':154 '/readme':156 '0.02':110,130 '000':121 '20':120 '6':134 'CFX candlestick data' 'CFX price history' 'Conflux OHLCV' 'Conflux market data' 'accept':78,208 'account':101 'advertis':116 'ai':58 'anywher':191 'api':62,99 'base':14,28,74,122,127,140 'base-network' 'beyond':144 'bodi':173 'candlestick':2,16,38 'candlestick chart data' 'cfx':6,20,43 'cfx-conflux' 'challeng':115 'close':36 'conflux':5,19,42 'connect':164 'content':169 'cost':109 'crawl':194 'crypto OHLCV API' 'crypto candles API' 'crypto-market-data' 'cryptocurr':44 'data':3,17,39,57 'decim':135 'determin':207 'document':143,190 'e.g':175 'endpoint':30,77 'equal':129 'exact':171 'experi':200 'extrem':149 'financ':59 'given':131 'handl':86 'header':93 'high':34 'inlin':87 'inspect':202 'interv':180 'json':83 'key':100 'l2':141 'land':146 'limit':104 'low':35 'lowpaymentfee.com':50 'market':182 'materi':195 'maxamountrequir':118 'need':198 'network':75,142 'no-api-key' 'occur':137 'offer':53 'ohlcv':1,15,32 'ohlcv-data' 'open':33 'outputschema':205 'page':147,157 'pair':183 'paramet':176,209 'part':47 'pay':9,23 'pay-per-request':8,22 'payabl':64 'payment':84,92 'per':10,24,66 'per-request':65 'per-request-pricing' 'platform':51 'post':79 'prompt':165 'protocol':71,97 'provid':31 'rang':179 'rate':103 'render':159 'request':11,25,67,80,108,172 'requir':106 'respons':186 'return':82 'schema':174,187 'settlement':136 'spars':150 'substant':168 'suit':55 'time':178 'unit':123 'usdc':112,125,132 'usdc-settlement' 'use':94 'user':196 'util':61 'via':7,21,68,88 'volum':37 'wallet':163 'wallet-connect':162 'x':91 'x-payment':90 'x402':12,26,70,96,114,204 'x402-payment'","prices":[{"id":"a08878e0-2b64-4f8c-a50e-3be101e5bd35","listingId":"07b7bd30-3686-4f3d-8327-522049c33b8b","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/CFX/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":"2026-04-18T18:38:24.944Z"}],"sources":[{"listingId":"07b7bd30-3686-4f3d-8327-522049c33b8b","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/crypto/CFX/ohlcv","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:38:24.944Z","lastSeenAt":"2026-04-24T06:31:46.231Z"}],"details":{"listingId":"07b7bd30-3686-4f3d-8327-522049c33b8b","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/crypto/CFX/ohlcv \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -d '{}'","exampleRequest":{"limit":10,"symbol":"CFX","interval":"1d"},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The x402 challenge advertises maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base network, equaling $0.02.","source_url":"https://lowpaymentfee.com/api/v1/crypto/CFX/ohlcv"},{"claim":"The landing page lists all APIs at $0.02/request with no API keys, no rate limits, and instant access on Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"The /docs, /api, /pricing, and /README pages contain only a 'Connect wallet' prompt with no documentation content.","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Fetching historical OHLCV candlestick data for Conflux (CFX) for charting or analysis","Building trading bots or dashboards that need CFX price data without managing API keys","Agent-driven crypto research workflows that pay per-call with USDC on Base"],"bestFor":["Developers or agents needing on-demand CFX OHLCV data without subscription commitments","x402-native agents that can pay per-request in USDC on Base","Low-volume or sporadic crypto data consumers who prefer pay-as-you-go pricing"],"notFor":["High-frequency trading requiring sub-second latency or websocket streaming","Users who need OHLCV data for tokens other than CFX (separate endpoints exist for other assets)","Anyone requiring detailed API documentation before integration — docs are currently absent"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:41.96Z"},"updatedAt":"2026-04-24T06:31:46.231Z"}}