{"id":"a909c33e-f291-4773-8fbb-856be8ec59e7","shortId":"6jtFU6","kind":"x402","title":"OHLCV candlestick data for BAT (Basic Attention Token) via pay-per-request x402 on Base.","tagline":"OHLCV candlestick data for BAT (Basic Attention Token) via pay-per-request x402 on Base.","description":"This endpoint provides OHLCV (Open, High, Low, Close, Volume) market data for the BAT (Basic Attention Token) cryptocurrency. It is part of the lowpaymentfee.com platform, which offers a suite of data, analytics, AI, finance, and utility APIs all gated behind the x402 payment protocol on the Base network.\n\nEach request costs $0.02 in USDC (USD Coin on Base), settled on-chain with no API keys, no rate limits, and no subscriptions required. The endpoint accepts POST requests and returns JSON. The x402 challenge confirms the endpoint is live, advertising a maxAmountRequired of 20000 base units of USDC (6 decimals → $0.02), consistent with the site's published pricing.\n\nDocumentation is extremely sparse — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what parameters the OHLCV endpoint accepts (e.g., time range, interval) or what fields it returns. The endpoint's behavior must be inferred from its URL path and the general OHLCV convention (timestamp, open, high, low, close, volume arrays or objects).","tags":[],"capabilities":["ohlcv-data","crypto-market-data","bat-token","x402-payment","base-network","usdc-settlement","pay-per-request"],"categories":["finance","crypto"],"synonyms":["BAT candlestick data","Basic Attention Token OHLCV","crypto price history","BAT market data","token candlestick API","BAT price chart data"],"warnings":["No documentation available — docs, API, pricing, and README pages all render only 'Connect wallet' with no content.","No OpenAPI or JSON schema describing request parameters or response format for the OHLCV endpoint.","No example requests or responses available; actual data fields must be discovered by calling the endpoint.","The broader lowpaymentfee.com platform lists many diverse endpoints (AI, analytics, finance, utils) all at $0.02 — unclear whether all are fully implemented or placeholders."],"endpointUrl":"https://lowpaymentfee.com/api/v1/crypto/BAT/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/BAT/ohlcv","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no request/response examples, and all documentation pages return only a wallet-connect stub. The endpoint's accepted parameters and response format are entirely 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'20000':126 '6':131 'BAT candlestick data' 'BAT market data' 'BAT price chart data' 'Basic Attention Token OHLCV' 'accept':108,180 'advertis':122 'ai':65 'analyt':64 'api':69,97,147 'array':212 'attent':7,23,48 'base':16,32,79,90,127 'base-network' 'basic':6,22,47 'bat':5,21,46 'bat-token' 'behavior':193 'behind':72 'candlestick':2,18 'chain':94 'challeng':116 'close':40,210 'coin':88 'confirm':117 'connect':156 'consist':134 'content':162 'convent':205 'cost':83 'crypto price history' 'crypto-market-data' 'cryptocurr':50 'data':3,19,43,63 'decim':132 'descript':173 'doc':146 'document':141 'e.g':181 'endpoint':34,107,119,179,191 'exampl':170 'extrem':143 'field':187 'financ':66 'gate':71 'general':203 'high':38,208 'infer':196 'interv':184 'json':113 'key':98 'limit':101 'live':121 'low':39,209 'lowpaymentfee.com':56 'market':42 'maxamountrequir':124 'must':194 'network':80 'object':214 'offer':59 'ohlcv':1,17,36,178,204 'ohlcv-data' 'on-chain':92 'open':37,207 'openapi':166 'page':151 'paramet':176 'part':53 'path':200 'pay':11,27 'pay-per-request':10,26 'payment':75 'per':12,28 'platform':57 'post':109 'price':140,148 'prompt':158 'protocol':76 'provid':35 'publish':139 'rang':183 'rate':100 'readm':150 'render':153 'request':13,29,82,110 'request/response':169 'requir':105 'return':112,189 'schema':167 'settl':91 'site':137 'spars':144 'subscript':104 'suit':61 'time':182 'timestamp':206 'token':8,24,49 'token candlestick API' 'unit':128 'url':199 'usd':87 'usdc':86,130 'usdc-settlement' 'util':68 'via':9,25 'volum':41,211 'wallet':157 'x402':14,30,74,115 'x402-payment'","prices":[{"id":"ccacf853-bb2c-4d73-b351-a7705b8fba02","listingId":"a909c33e-f291-4773-8fbb-856be8ec59e7","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/BAT/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":"2026-04-18T18:35:43.398Z"}],"sources":[{"listingId":"a909c33e-f291-4773-8fbb-856be8ec59e7","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/crypto/BAT/ohlcv","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:35:43.398Z","lastSeenAt":"2026-04-24T10:32:04.115Z"}],"details":{"listingId":"a909c33e-f291-4773-8fbb-856be8ec59e7","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/crypto/BAT/ohlcv \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns HTTP 402 with an x402 challenge advertising maxAmountRequired of 20000 base units of USDC on Base network.","source_url":"https://lowpaymentfee.com/api/v1/crypto/BAT/ohlcv"},{"claim":"The site advertises $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/BAT/ohlcv"}],"useCases":["Fetching historical OHLCV candlestick data for BAT to build trading charts","Programmatic analysis of BAT price movements for algorithmic trading bots","Integrating BAT market data into dashboards or portfolio trackers"],"bestFor":["Agents or bots needing on-demand BAT price history without API key management","Developers who want pay-per-call crypto data with no subscription commitment","Web3-native applications settling micropayments on Base"],"notFor":["High-frequency trading requiring sub-second latency and bulk historical pulls (no documented batch support)","Users needing OHLCV data for tokens other than BAT from this specific endpoint"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:49.899Z"},"updatedAt":"2026-04-24T10:32:04.115Z"}}