{"id":"df5a7bc3-be3c-46a7-8011-202f924a1914","shortId":"NgArgs","kind":"x402","title":"SOL OHLCV candlestick data via x402 micropayment on Base, $0.02 per request.","tagline":"SOL OHLCV candlestick data via x402 micropayment on Base, $0.02 per request.","description":"This endpoint provides OHLCV (Open, High, Low, Close, Volume) candlestick data for SOL (Solana) via a pay-per-request x402 micropayment model. It is hosted on lowpaymentfee.com, a platform offering a variety of data, AI, finance, and utility APIs all priced at $0.02 per call, settled in USDC on the Base network. No API keys or accounts are required — callers simply attach an x402 payment header to each POST request.\n\nThe x402 challenge confirms the endpoint is live and accepts payments of up to 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. The payment scheme is \"exact\" with a 300-second timeout. The endpoint returns application/json responses.\n\nDocumentation on the site is extremely sparse — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI spec, no request/response schema, and no usage examples available from the crawl. The specific parameters accepted by the OHLCV endpoint (e.g., timeframe, date range) and the shape of the response are unknown and must be inferred from the endpoint path and common OHLCV conventions.","tags":[],"capabilities":["ohlcv-candlestick-data","solana-market-data","x402-micropayment","usdc-base-settlement","pay-per-request","no-api-key"],"categories":["finance","crypto"],"synonyms":["SOL candlestick data","Solana OHLCV","SOL price history","crypto candlestick API","SOL market data","Solana open high low close volume","x402 crypto data"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no technical content.","No OpenAPI or JSON schema provided for request or response bodies.","Request parameters (timeframe, date range, limit) are inferred, not documented.","Response format is unknown — example_response_json is null.","The broader lowpaymentfee.com platform lists many endpoints across diverse categories; quality and reliability of each is unverified."],"endpointUrl":"https://lowpaymentfee.com/api/v1/crypto/SOL/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/SOL/ohlcv","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live via a valid x402 402 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no documentation beyond a wallet-connect prompt, no request/response schema, and no examples. The request body shape and response format are entirely inferred from the endpoint path name and common 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'000':111 '0x8335':116 '20':110 '2913':117 '300':135 '6':126 'SOL candlestick data' 'SOL market data' 'SOL price history' 'Solana OHLCV' 'Solana open high low close volume' 'accept':105,188 'account':82 'addit':166 'ai':60 'api':64,79,152 'application/json':141 'attach':87 'avail':181 'base':9,21,76,112,119 'call':70 'caller':85 'candlestick':3,15,34 'challeng':98 'close':32 'common':214 'confirm':99 'connect':161 'convent':216 'crawl':184 'crypto candlestick API' 'data':4,16,35,59 'date':195 'decim':127 'detail':168 'doc':151 'document':143 'e.g':193 'endpoint':26,101,139,192,211 'equal':121 'exact':132 'exampl':180 'extrem':148 'financ':61 'given':123 'header':91 'high':30 'host':50 'infer':208 'key':80 'live':103 'low':31 'lowpaymentfee.com':52 'micropay':7,19,46 'model':47 'must':206 'network':77 'no-api-key' 'offer':55 'ohlcv':2,14,28,191,215 'ohlcv-candlestick-data' 'open':29 'openapi':172 'page':156 'paramet':187 'path':212 'pay':42 'pay-per-request':41 'payment':90,106,129 'per':11,23,43,69 'platform':54 'post':94 'price':66,153 'prompt':163 'provid':27 'rang':196 'readm':155 'render':158 'request':12,24,44,95 'request/response':175 'requir':84 'respons':142,202 'return':140 'schema':176 'scheme':130 'second':136 'settl':71 'shape':199 'simpli':86 'site':146 'sol':1,13,37 'solana':38 'solana-market-data' 'spars':149 'spec':173 'specif':186 'technic':167 'timefram':194 'timeout':137 'unit':113 'unknown':204 'usag':179 'usdc':73,115,124 'usdc-base-settlement' 'util':63 'varieti':57 'via':5,17,39 'volum':33 'wallet':162 'x402':6,18,45,89,97 'x402 crypto data' 'x402-micropayment'","prices":[{"id":"c2f6da59-8de2-4a98-8519-4299ab772fb0","listingId":"df5a7bc3-be3c-46a7-8011-202f924a1914","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/SOL/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":"2026-04-18T18:38:58.588Z"}],"sources":[{"listingId":"df5a7bc3-be3c-46a7-8011-202f924a1914","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/crypto/SOL/ohlcv","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:38:58.588Z","lastSeenAt":"2026-04-24T04:03:17.323Z"}],"details":{"listingId":"df5a7bc3-be3c-46a7-8011-202f924a1914","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/crypto/SOL/ohlcv \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -d '{\"timeframe\": \"1h\", \"limit\": 24}'","exampleRequest":{"limit":24,"timeframe":"1h"},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns HTTP 402 with x402 challenge confirming it is live and accepts USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/crypto/SOL/ohlcv"},{"claim":"maxAmountRequired is 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/crypto/SOL/ohlcv"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, settled on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, API, pricing, and README pages render only a 'Connect wallet' prompt with no additional content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Fetching historical SOL price candles for charting or technical analysis","Feeding SOL OHLCV data into trading bots or algorithmic strategies","Providing Solana market data to AI agents that pay per request without API keys","Backtesting trading strategies using SOL candlestick history"],"bestFor":["Agents or bots needing on-demand SOL candlestick data without subscription commitments","Developers prototyping crypto dashboards who want instant, keyless API access","Low-volume consumers who prefer per-call micropayments over monthly plans"],"notFor":["High-frequency trading requiring sub-second latency and guaranteed SLAs","Users who need comprehensive multi-asset OHLCV data across hundreds of tokens in bulk","Anyone unable to settle payments in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:40.154Z"},"updatedAt":"2026-04-24T04:03:17.323Z"}}