{"id":"57893886-83c4-4d58-b664-11191a391e46","shortId":"kQWACS","kind":"x402","title":"OHLCV candlestick data for Algorand (ALGO) via x402 micropayment at $0.02 per request on Base.","tagline":"OHLCV candlestick data for Algorand (ALGO) via x402 micropayment at $0.02 per request on Base.","description":"This endpoint provides OHLCV (Open, High, Low, Close, Volume) market data for the Algorand (ALGO) cryptocurrency. It is part of the lowpaymentfee.com platform, which offers a suite of data, AI, finance, and utility APIs all gated behind x402 micropayments on the Base network.\n\nThe endpoint accepts POST requests and returns JSON. Payment is handled via the x402 protocol: callers include an X-PAYMENT header with a USDC payment on Base. The maximum amount required per call is 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals). The platform advertises no API keys, no rate limits, and instant access — you pay per request with no subscriptions or commitments.\n\nThe provider hosts many other endpoints across categories including analytics, AI/ML (sentiment analysis, summarization, classification, embeddings), finance (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation), 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 additional technical detail. No OpenAPI schema or request/response examples are provided, so the exact request body format and response structure for the ALGO OHLCV endpoint must be inferred or discovered experimentally.","tags":[],"capabilities":["ohlcv-data","crypto-market-data","algorand","x402-payment","usdc-base","per-request-pricing","json-api"],"categories":["finance","crypto"],"synonyms":["ALGO candlestick data","Algorand OHLCV","crypto OHLCV API","ALGO price history","Algorand market data","cryptocurrency candles","ALGO open high low close volume"],"warnings":["No API documentation available — docs, pricing, and README pages all show only 'Connect wallet' with no technical content.","No OpenAPI or JSON schema provided; request body format and response structure are entirely unknown.","No example responses available to verify data quality or coverage (e.g., supported timeframes, date ranges)."],"endpointUrl":"https://lowpaymentfee.com/api/v1/crypto/ALGO/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/ALGO/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 (returns a valid x402 402 challenge) and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI schema, no request/response examples, and all documentation pages beyond the landing page are empty ('Connect wallet' only). The exact request parameters and response format are 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'0.02':11,26,115,179 '000':110 '20':109 '6':120 'ALGO candlestick data' 'ALGO open high low close volume' 'ALGO price history' 'Algorand OHLCV' 'Algorand market data' 'accept':76 'access':133 'across':149 'addit':206 'advertis':124 'ai':60 'ai/ml':153 'algo':6,21,45,228 'algorand':5,20,44 'amount':104 'analysi':155 'analyt':152 'api':64,126,192 'base':15,30,72,101,111 'behind':67 'beyond':184 'bodi':221 'call':107 'caller':89 'candlestick':2,17 'categori':150 'classif':157 'close':38 'commit':142 'connect':201 'convers':173 'crypto OHLCV API' 'crypto-market-data' 'cryptocurr':46 'cryptocurrency candles' 'data':3,18,41,59 'decim':121 'detail':208 'discov':235 'doc':191 'document':183 'embed':158 'endpoint':32,75,148,230 'estim':167 'exact':219 'exampl':214 'exchang':162 'experiment':236 'feed':161 'financ':61,159 'format':222 'gas':166 'gate':66 'generat':174 'geocod':171 'handl':84 'header':95 'high':36 'host':145 'includ':90,151 'infer':233 'infrastructur':169 'instant':132 'json':81 'json-api' 'key':127 'land':186 'limit':130 'low':37 'lowpaymentfee.com':52 'mani':146 'market':40 'maximum':103 'micropay':9,24,69 'must':231 'network':73 'offer':55 'ohlcv':1,16,34,229 'ohlcv-data' 'open':35 'openapi':210 'page':187,196 'part':49 'pay':135 'payment':82,94,99 'per':12,27,106,136 'per-request-pricing' 'platform':53,123 'point':182 'post':77 'price':160,181,193 'prompt':203 'protocol':88 'provid':33,144,216 'quot':165 'rate':129,163 'readm':195 'render':198 'request':13,28,78,137,220 'request/response':213 'requir':105 'respons':224 'return':80 'schema':211 'sentiment':154 'sinc':117 'spars':189 'structur':225 'subscript':140 'suit':57 'summar':156 'technic':207 'token':164 'unit':112 'usd':116 'usdc':98,114,118 'usdc-base' 'use':119 'util':63,170 'valid':172 'via':7,22,85 'volum':39 'wallet':202 'x':93 'x-payment':92 'x402':8,23,68,87 'x402-payment'","prices":[{"id":"e05e503b-e7c5-4a1a-954b-27a4b3af3f3b","listingId":"57893886-83c4-4d58-b664-11191a391e46","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/ALGO/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":"2026-04-18T18:38:46.606Z"}],"sources":[{"listingId":"57893886-83c4-4d58-b664-11191a391e46","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/crypto/ALGO/ohlcv","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:38:46.606Z","lastSeenAt":"2026-04-24T06:31:47.282Z"}],"details":{"listingId":"57893886-83c4-4d58-b664-11191a391e46","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/crypto/ALGO/ohlcv \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\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 with maxAmountRequired of 20000 base units of USDC on Base network.","source_url":"https://lowpaymentfee.com/api/v1/crypto/ALGO/ohlcv"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base.","source_url":"https://lowpaymentfee.com/api/v1/crypto/ALGO/ohlcv"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access on Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"The platform offers endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories.","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching historical or real-time OHLCV candlestick data for Algorand trading analysis","Building automated trading bots that need ALGO price data without API key management","Integrating ALGO market data into dashboards or analytics pipelines with micropayment-based access"],"bestFor":["Agents or bots needing on-demand ALGO market data without subscription overhead","Developers who prefer pay-per-call crypto data access settled on Base","Low-volume or sporadic queries where $0.02/request is cost-effective"],"notFor":["High-frequency trading requiring bulk historical data downloads at lower per-unit cost","Users who need detailed API documentation or guaranteed SLAs before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:40.786Z"},"updatedAt":"2026-04-24T06:31:47.282Z"}}