{"id":"3aa3fcc8-b896-4fa9-8a85-8bbaaaee3388","shortId":"HwWWdx","kind":"x402","title":"OHLCV candlestick data for LEO token, paid per-request via x402 on Base.","tagline":"OHLCV candlestick data for LEO token, paid per-request via x402 on Base.","description":"This endpoint provides OHLCV (Open, High, Low, Close, Volume) candlestick data for the LEO cryptocurrency token. It is part of the lowpaymentfee.com platform, which offers a broad 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 live and returns a standard x402 payment challenge (HTTP 402) when called without payment. Each request costs $0.02 (20,000 base units of USDC, which has 6 decimals). Payment is made via the x402 \"exact\" scheme to a specified wallet address on Base. No API keys, rate limits, or subscriptions are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nDocumentation on the site is extremely sparse. The /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema, and no usage examples available from the crawled material. The endpoint accepts POST requests and returns application/json, but the exact request body format and response structure for OHLCV data are not documented in any accessible source.","tags":[],"capabilities":["ohlcv-data","crypto-market-data","leo-token","per-request-payment","x402-protocol","base-network","usdc-settlement"],"categories":["finance","crypto"],"synonyms":["LEO candlestick data","LEO OHLCV","crypto OHLCV API","LEO price history","LEO market data","candlestick chart data","x402 crypto data"],"warnings":["No API documentation available — /docs, /api, /pricing, and /README pages all return only a wallet-connect prompt with no technical content","No OpenAPI spec or request/response schema provided","Request body format and response structure for OHLCV data are entirely unknown","The platform lists many diverse endpoints (AI, geocoding, finance) all at $0.02 — unclear whether all are fully implemented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/crypto/LEO/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/LEO/ohlcv","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 challenge, confirming it exists and accepts payment. However, there is zero documentation on request parameters, response schema, or usage examples. The /docs and related pages are empty. Without knowing what to POST or what the response looks like, this is effectively a stub 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'/docs':157 '/pricing':158 '/readme':161 '0.02':100 '000':102 '20':101 '402':92 '6':109 'LEO OHLCV' 'LEO candlestick data' 'LEO market data' 'LEO price history' 'accept':194 'access':217 'address':123 'ai':60 'analyt':59 'api':64,127 'application/json':199 'attach':137 'avail':187 'base':14,28,76,103,125 'base-network' 'bodi':204 'broad':55 'call':94 'caller':135 'candlestick':2,16,38 'candlestick chart data' 'challeng':90 'close':36 'connect':167 'cost':99 'crawl':190 'crypto OHLCV API' 'crypto-market-data' 'cryptocurr':43 'data':3,17,39,58,211 'decim':110 'detail':174 'document':149,214 'endpoint':30,81,193 'exact':117,202 'exampl':186 'extrem':154 'financ':61 'format':205 'header':142 'high':34 'http':91 'key':128 'leo':5,19,42 'leo-token' 'limit':130 'live':83 'low':35 'lowpaymentfee.com':50 'made':113 'materi':191 'network':77 'offer':53 'ohlcv':1,15,32,210 'ohlcv-data' 'open':33 'openapi':178 'page':162 'paid':7,21 'part':47 'payabl':66 'payment':89,96,111,141,147 'per':9,23,68 'per-request':8,22,67 'per-request-payment' 'platform':51 'post':195 'prompt':169 'proof':148 'protocol':73 'provid':31 'rate':129 'render':164 'request':10,24,69,98,196,203 'request/response':181 'requir':134 'respons':207 'return':85,198 'schema':182 'scheme':118 'simpli':136 'site':152 'sourc':218 'spars':155 'spec':179 'specifi':121 'standard':87 'structur':208 'subscript':132 'suit':56 'technic':173 'token':6,20,44 'unit':104 'usag':185 'usdc':79,106 'usdc-settlement' 'use':78 'util':63 'valid':145 'via':11,25,70,114 'volum':37 'wallet':122,168 'without':95 'x':140 'x-payment':139 'x402':12,26,72,88,116,146 'x402 crypto data' 'x402-protocol'","prices":[{"id":"b681829a-3c20-4151-85da-06ecb5702546","listingId":"3aa3fcc8-b896-4fa9-8a85-8bbaaaee3388","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/LEO/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":"2026-04-18T18:35:43.371Z"}],"sources":[{"listingId":"3aa3fcc8-b896-4fa9-8a85-8bbaaaee3388","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/crypto/LEO/ohlcv","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:35:43.371Z","lastSeenAt":"2026-04-24T10:32:04.154Z"}],"details":{"listingId":"3aa3fcc8-b896-4fa9-8a85-8bbaaaee3388","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/crypto/LEO/ohlcv \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_proof>\"","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 of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/crypto/LEO/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 address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/crypto/LEO/ohlcv"}],"useCases":["Fetching historical OHLCV candlestick data for LEO token for charting or analysis","Building trading bots or dashboards that need LEO price data on demand","Agents that need pay-per-call crypto market data without API key management"],"bestFor":["Developers or agents needing on-demand LEO OHLCV data without subscriptions","x402-compatible 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 and bulk historical downloads","Users who need comprehensive multi-asset OHLCV data from a single well-documented API","Anyone requiring detailed API documentation or response schema guarantees before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:49.899Z"},"updatedAt":"2026-04-24T10:32:04.154Z"}}