{"id":"dddde28c-28e7-43b3-bd25-9dc35adb7727","shortId":"xVB9he","kind":"x402","title":"OHLCV candlestick data for Aptos (APT) via x402 micropayment on Base, $0.02/request.","tagline":"OHLCV candlestick data for Aptos (APT) via x402 micropayment on Base, $0.02/request.","description":"This endpoint provides OHLCV (Open, High, Low, Close, Volume) candlestick data for the Aptos (APT) cryptocurrency. It is part of the lowpaymentfee.com platform, which offers a suite of data, AI, finance, and utility APIs all priced at $0.02 per request and settled via the x402 protocol using USDC on the Base network.\n\nThe endpoint accepts POST requests and is gated by an x402 payment challenge. Callers must include an X-PAYMENT header with a valid payment proof. The maximum amount required per call is 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals). Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 on Base, with a timeout of 300 seconds. The response MIME type is application/json.\n\nDocumentation beyond the landing page is sparse — the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no additional technical detail. No OpenAPI schema, request/response examples, or parameter documentation were found. The specific request body format (e.g., time range, interval, pagination) and response schema for the OHLCV data are not documented in the crawled material, so callers will need to experiment or contact the provider.","tags":[],"capabilities":["ohlcv-candlestick-data","crypto-market-data","aptos-apt","x402-micropayment","usdc-base-settlement","per-request-pricing"],"categories":["finance","crypto"],"synonyms":["APT candlestick data","Aptos OHLCV","crypto OHLCV API","APT price history","Aptos market data","candlestick chart data","APT open high low close volume"],"warnings":["No request parameter documentation found — callers must guess or reverse-engineer the POST body format","No response schema or example response available for the OHLCV data","All documentation pages (/docs, /api, /pricing, /README) return only a 'Connect wallet' prompt with no technical content","The platform lists many API categories but provides no detailed docs for any of them"],"endpointUrl":"https://lowpaymentfee.com/api/v1/crypto/APT/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/APT/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 well-formed x402 402 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no request/response documentation, no examples, and all doc pages render only a wallet-connect prompt. The specific parameters and response format for OHLCV data are entirely 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'/docs':153 '/pricing':155 '/readme':157 '/request':13,26 '0.02':12,25,64,118 '000':113 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':130 '20':112 '300':137 '6':123 'APT candlestick data' 'APT open high low close volume' 'APT price history' 'Aptos OHLCV' 'Aptos market data' 'accept':81 'addit':168 'address':129 'ai':56 'amount':107 'api':60 'application/json':144 'apt':6,19,41 'apto':5,18,40 'aptos-apt' 'base':11,24,77,114,132 'beyond':146 'bodi':184 'call':110 'caller':92,206 'candlestick':2,15,36 'candlestick chart data' 'challeng':91 'close':34 'connect':163 'contact':212 'crawl':203 'crypto OHLCV API' 'crypto-market-data' 'cryptocurr':42 'data':3,16,37,55,197 'decim':124 'detail':170 'document':145,178,200 'e.g':186 'endpoint':28,80 'exampl':175 'experi':210 'financ':57 'format':185 'found':180 'gate':86 'header':99 'high':32 'includ':94 'interv':189 'land':148 'low':33 'lowpaymentfee.com':48 'materi':204 'maximum':106 'micropay':9,22 'mime':141 'must':93 'need':208 'network':78 'offer':51 'ohlcv':1,14,30,196 'ohlcv-candlestick-data' 'open':31 'openapi':172 'page':149,158 'pagin':190 'paramet':177 'part':45 'payment':90,98,103,125 'per':65,109 'per-request-pricing' 'platform':49 'post':82 'price':62 'prompt':165 'proof':104 'protocol':72 'provid':29,214 'rang':188 'render':160 'request':66,83,183 'request/response':174 'requir':108 'respons':140,192 'schema':173,193 'second':138 'sent':127 'settl':68 'sinc':120 'spars':151 'specif':182 'suit':53 'technic':169 'time':187 'timeout':135 'type':142 'unit':115 'usd':119 'usdc':74,117,121 'usdc-base-settlement' 'use':73,122 'util':59 'valid':102 'via':7,20,69 'volum':35 'wallet':164 'x':97 'x-payment':96 'x402':8,21,71,89 'x402-micropayment'","prices":[{"id":"4340e76e-c376-4399-825b-3503ded1e4c1","listingId":"dddde28c-28e7-43b3-bd25-9dc35adb7727","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/APT/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":"2026-04-18T18:32:28.553Z"}],"sources":[{"listingId":"dddde28c-28e7-43b3-bd25-9dc35adb7727","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/crypto/APT/ohlcv","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:32:28.553Z","lastSeenAt":"2026-04-23T20:01:22.079Z"}],"details":{"listingId":"dddde28c-28e7-43b3-bd25-9dc35adb7727","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/crypto/APT/ohlcv \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_proof>\" \\\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 requiring 20,000 base units of USDC on Base (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equating to $0.02 per request","source_url":"https://lowpaymentfee.com/api/v1/crypto/APT/ohlcv"},{"claim":"The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on the Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout","source_url":"https://lowpaymentfee.com/api/v1/crypto/APT/ohlcv"}],"useCases":["Fetching historical OHLCV candlestick data for Aptos (APT) for charting or backtesting","Building trading bots that need APT price and volume history","Integrating APT market data into dashboards or analytics pipelines"],"bestFor":["Agents or apps that need on-demand APT OHLCV data without API key management","Micropayment-native workflows settling in USDC on Base","Low-volume or sporadic crypto data queries where per-call pricing is preferable to subscriptions"],"notFor":["High-frequency trading requiring sub-second latency and bulk historical downloads","Users who need comprehensive multi-asset OHLCV data across many tokens in a single call","Anyone without a Base-compatible wallet or USDC balance"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T10:00:24.272Z"},"updatedAt":"2026-04-23T20:01:22.079Z"}}