{"id":"0626acbc-60eb-49e8-870e-0097323a9a1c","shortId":"2PxVE5","kind":"x402","title":"OHLCV candlestick data for CELO via x402 micropayment on Base network at $0.02/request.","tagline":"OHLCV candlestick data for CELO via x402 micropayment on Base network at $0.02/request.","description":"This endpoint provides OHLCV (Open, High, Low, Close, Volume) candlestick data for the CELO cryptocurrency token. It is part of the lowpaymentfee.com platform, which offers a suite of data, analytics, AI, finance, and utility APIs all gated behind x402 micropayments on the Base network.\n\nThe endpoint accepts POST requests and is paid per-call using USDC on Base. The x402 challenge indicates a maximum cost of 20,000 base units of USDC (6 decimals), which equals $0.02 per request. No API keys or rate limits are required — payment is the only authentication mechanism. The platform advertises instant access with no minimums or commitments.\n\nThe broader lowpaymentfee.com platform also offers endpoints for token quotes, gas estimates, exchange rates, price feeds, sentiment analysis, text summarization, classification, embeddings, geocoding, validation, conversion, and data export — all at the same $0.02/request price point. Documentation beyond the landing page is sparse; the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further technical detail.","tags":[],"capabilities":["ohlcv-data","crypto-market-data","celo-token","x402-payment","usdc-base-network","per-request-pricing","no-api-key"],"categories":["finance","crypto"],"synonyms":["CELO candlestick data","CELO OHLCV","crypto price history","CELO market data","cryptocurrency candles","CELO chart data","token OHLCV API"],"warnings":["No documentation available — docs, pricing, API, and README pages all show only 'Connect wallet' with no technical content.","Request body schema and response format are unknown; example_request_json is speculative.","No information on data sources, update frequency, or supported intervals for OHLCV data.","Platform appears to be a generic multi-endpoint storefront; quality and reliability of underlying data is unverified."],"endpointUrl":"https://lowpaymentfee.com/api/v1/crypto/CELO/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/CELO/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 (402 challenge captured) and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI schema, no documented request/response format, no examples, and all documentation pages return only a wallet-connect prompt. The request and response schemas are entirely 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'0.02':13,27,106,165 '000':97 '20':96 '6':102 'CELO OHLCV' 'CELO candlestick data' 'CELO chart data' 'CELO market data' 'accept':75 'access':127 'advertis':125 'ai':59 'also':137 'analysi':150 'analyt':58 'api':63,110,178 'authent':121 'base':10,24,71,87,98 'behind':66 'beyond':170 'broader':134 'call':83 'candlestick':2,16,38 'celo':5,19,42 'celo-token' 'challeng':90 'classif':153 'close':36 'commit':132 'connect':187 'convers':157 'cost':94 'crypto price history' 'crypto-market-data' 'cryptocurr':43 'cryptocurrency candles' 'data':3,17,39,57,159 'decim':103 'detail':194 'doc':177 'document':169 'embed':154 'endpoint':30,74,139 'equal':105 'estim':144 'exchang':145 'export':160 'feed':148 'financ':60 'gas':143 'gate':65 'geocod':155 'high':34 'indic':91 'instant':126 'key':111 'land':172 'limit':114 'low':35 'lowpaymentfee.com':50,135 'maximum':93 'mechan':122 'micropay':8,22,68 'minimum':130 'network':11,25,72 'no-api-key' 'offer':53,138 'ohlcv':1,15,32 'ohlcv-data' 'open':33 'page':173,182 'paid':80 'part':47 'payment':117 'per':82,107 'per-cal':81 'per-request-pricing' 'platform':51,124,136 'point':168 'post':76 'price':147,167,179 'prompt':189 'provid':31 'quot':142 'rate':113,146 'readm':181 'render':184 'request':77,108 'requir':116 'sentiment':149 'spars':175 'suit':55 'summar':152 'technic':193 'text':151 'token':44,141 'token OHLCV API' 'unit':99 'usdc':85,101 'usdc-base-network' 'use':84 'util':62 'valid':156 'via':6,20 'volum':37 'wallet':188 'x402':7,21,67,89 'x402-payment'","prices":[{"id":"2cd01b92-750d-467e-ab1f-4c82ec619ed8","listingId":"0626acbc-60eb-49e8-870e-0097323a9a1c","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/CELO/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":"2026-04-18T18:36:51.055Z"}],"sources":[{"listingId":"0626acbc-60eb-49e8-870e-0097323a9a1c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/crypto/CELO/ohlcv","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:36:51.055Z","lastSeenAt":"2026-04-24T09:03:05.087Z"}],"details":{"listingId":"0626acbc-60eb-49e8-870e-0097323a9a1c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/crypto/CELO/ohlcv \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -d '{}'","exampleRequest":{"limit":30,"symbol":"CELO","interval":"1d"},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge requiring USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/crypto/CELO/ohlcv"},{"claim":"Price is $0.02 per request (20000 base units of USDC with 6 decimals)","source_url":"https://lowpaymentfee.com"},{"claim":"No API keys, no rate limits, instant access advertised","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/crypto/CELO/ohlcv"}],"useCases":["Fetching historical OHLCV candlestick data for CELO to power trading bots","Building price charts for CELO in a portfolio dashboard","Backtesting trading strategies using CELO price history","Feeding CELO market data into on-chain DeFi analytics"],"bestFor":["Agents needing per-call crypto market data without subscription commitments","Developers who want keyless API access paid via x402 micropayments","Low-volume or bursty workloads where pay-per-request is cost-effective"],"notFor":["High-frequency trading requiring sub-second latency guarantees (no SLA documented)","Users who need comprehensive multi-exchange aggregated OHLCV with documented source provenance","Anyone without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:46.539Z"},"updatedAt":"2026-04-24T09:03:05.087Z"}}