{"id":"e96c1d9e-4ceb-497d-8ce7-0e8fe68f84bf","shortId":"dLmhy4","kind":"x402","title":"OHLCV candlestick data for SNX (Synthetix) via per-request x402 micropayment on Base.","tagline":"OHLCV candlestick data for SNX (Synthetix) via per-request x402 micropayment on Base.","description":"This endpoint provides OHLCV (Open, High, Low, Close, Volume) candlestick data for the SNX (Synthetix) cryptocurrency token. It is part of a broader suite of finance and crypto APIs hosted at lowpaymentfee.com, all payable per-request via the x402 protocol on the Base network using USDC.\n\nThe endpoint accepts POST requests and returns JSON. Payment is handled inline via the X-PAYMENT header — no API keys, accounts, or rate limits are required. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (6 decimals), which equals $0.02 per request. The provider's landing page confirms a flat $0.02/request pricing model across all endpoints.\n\nThe provider offers additional crypto endpoints (token quotes, gas estimates, price feeds, exchange rates) as well as AI/ML, analytics, and utility APIs, all at the same price point. Documentation beyond the landing page is sparse — the /docs, /pricing, and /README pages all render only a wallet-connect prompt with no further technical detail. No OpenAPI schema, request/response examples, or parameter documentation were found in the crawl.","tags":[],"capabilities":["ohlcv-data","crypto-market-data","snx-synthetix","x402-micropayment","base-network","usdc-payment","per-request-billing","no-api-key"],"categories":["finance","crypto"],"synonyms":["SNX candlestick data","Synthetix OHLCV","crypto OHLCV API","SNX price history","candlestick chart data","crypto market data API"],"warnings":["No API documentation found — /docs, /pricing, and /README pages all render only a wallet-connect prompt with no technical content.","No OpenAPI or JSON schema available; request parameters and response format for the OHLCV endpoint are undocumented.","Data source for SNX OHLCV is unknown — no information on where the market data originates or how fresh it is."],"endpointUrl":"https://lowpaymentfee.com/api/v1/crypto/SNX/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/SNX/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 request/response examples, and no documentation beyond a landing page listing. The specific parameters accepted by the OHLCV endpoint (timeframe, date range, etc.) and the response format are entirely 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'/pricing':176 '/readme':178 '/request':133 '0.02':121,132 '000':112 '20':111 '6':117 'SNX candlestick data' 'SNX price history' 'Synthetix OHLCV' 'accept':78 'account':97 'across':136 'addit':142 'advertis':106 'ai/ml':156 'analyt':157 'api':57,95,160 'base':14,28,72,113 'base-network' 'beyond':168 'broader':51 'candlestick':2,16,38 'candlestick chart data' 'challeng':105 'close':36 'confirm':129 'connect':186 'cost':109 'crawl':205 'crypto':56,143 'crypto OHLCV API' 'crypto market data API' 'crypto-market-data' 'cryptocurr':44 'data':3,17,39 'decim':118 'detail':192 'document':167,200 'endpoint':30,77,138,144 'equal':120 'estim':148 'exampl':197 'exchang':151 'feed':150 'financ':54 'flat':131 'found':202 'gas':147 'handl':86 'header':93 'high':34 'host':58 'inlin':87 'json':83 'key':96 'land':127,170 'limit':100 'low':35 'lowpaymentfee.com':60 'maximum':108 'micropay':12,26 'model':135 'network':73 'no-api-key' 'offer':141 'ohlcv':1,15,32 'ohlcv-data' 'open':33 'openapi':194 'page':128,171,179 'paramet':199 'part':48 'payabl':62 'payment':84,92 'per':9,23,64,122 'per-request':8,22,63 'per-request-billing' 'point':166 'post':79 'price':134,149,165 'prompt':187 'protocol':69 'provid':31,125,140 'quot':146 'rate':99,152 'render':181 'request':10,24,65,80,123 'request/response':196 'requir':102 'return':82 'schema':195 'snx':5,19,42 'snx-synthetix' 'spars':173 'suit':52 'synthetix':6,20,43 'technic':191 'token':45,145 'unit':114 'usdc':75,116 'usdc-payment' 'use':74 'util':159 'via':7,21,66,88 'volum':37 'wallet':185 'wallet-connect':184 'well':154 'x':91 'x-payment':90 'x402':11,25,68,104 'x402-micropayment'","prices":[{"id":"029146f0-c80a-469e-ae30-66259216b2c8","listingId":"e96c1d9e-4ceb-497d-8ce7-0e8fe68f84bf","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/SNX/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":"2026-04-18T18:38:58.543Z"}],"sources":[{"listingId":"e96c1d9e-4ceb-497d-8ce7-0e8fe68f84bf","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/crypto/SNX/ohlcv","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:38:58.543Z","lastSeenAt":"2026-04-24T04:03:17.306Z"}],"details":{"listingId":"e96c1d9e-4ceb-497d-8ce7-0e8fe68f84bf","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/crypto/SNX/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 x402 challenge advertises maxAmountRequired of 20000 base units of USDC (asset 0x8335…) on Base network, equaling $0.02 per request.","source_url":"https://lowpaymentfee.com/api/v1/crypto/SNX/ohlcv"},{"claim":"The provider lists a flat $0.02/request pricing with no API keys, no rate limits, and instant access on Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"The /docs, /pricing, and /README pages render only a 'Connect wallet' prompt with no further documentation.","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Fetching historical OHLCV candlestick data for SNX to build trading charts","Backtesting trading strategies using SNX price and volume history","Integrating SNX market data into a portfolio dashboard or analytics pipeline"],"bestFor":["Agents or bots that need on-demand SNX market data without managing API keys","Developers prototyping crypto dashboards who want instant, keyless access","Pay-per-use consumption of crypto candlestick data on Base L2"],"notFor":["High-frequency trading requiring sub-second latency and guaranteed SLAs","Users who need comprehensive multi-asset OHLCV data with documented query parameters and pagination"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:40.19Z"},"updatedAt":"2026-04-24T04:03:17.306Z"}}