{"id":"2635cf33-6068-4ae5-b029-bf8459c54789","shortId":"cppfMc","kind":"x402","title":"OHLCV candlestick data for ATOM (Cosmos), paid per-request via x402 on Base.","tagline":"OHLCV candlestick data for ATOM (Cosmos), paid per-request via x402 on Base.","description":"This endpoint provides OHLCV (Open, High, Low, Close, Volume) market data for the ATOM (Cosmos) cryptocurrency. It is part of the lowpaymentfee.com platform, which offers a suite of data, analytics, AI, finance, and utility APIs all payable per-request via the x402 protocol on the Base network.\n\nThe endpoint accepts POST requests and returns JSON. Payment is settled in USDC on Base at $0.02 per request (maxAmountRequired of 20,000 base units with USDC's 6 decimals). There are no API keys, no rate limits, and no subscription commitments — callers simply attach an x402 payment header to each request.\n\nThe broader lowpaymentfee.com platform lists additional crypto endpoints (token quotes, gas estimates, price feeds, exchange rates) as well as AI/ML endpoints (sentiment analysis, summarization, classification, embeddings) and infrastructure utilities (geocoding, validation, conversion). All share the same $0.02/request pricing model. Documentation beyond the landing page is sparse — the /docs, /pricing, and /README pages all appear to require a wallet connection and returned no substantive content during crawl.","tags":[],"capabilities":["ohlcv-data","crypto-market-data","atom-cosmos","per-request-payment","x402-protocol","usdc-base-network","json-api"],"categories":["finance","crypto"],"synonyms":["ATOM candlestick data","Cosmos OHLCV","crypto OHLCV API","ATOM price history","cryptocurrency candles","ATOM market data"],"warnings":["No documentation available — /docs, /pricing, and /README pages all returned only a 'Connect wallet' prompt with no API details.","Request body schema is unknown: required parameters (e.g., timeframe, start/end dates) are not documented.","Response schema is unknown: no example response or output schema provided.","The platform lists many diverse endpoints (AI, geocoding, finance) all at the same price, which may indicate a generic template rather than deeply specialized services."],"endpointUrl":"https://lowpaymentfee.com/api/v1/crypto/ATOM/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/ATOM/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 parameters (timeframe, date range, etc.), no example response, and the docs/pricing/README pages returned no content. The actual request and response shapes must be 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'/pricing':178 '/readme':180 '/request':166 '0.02':93,165 '000':99 '20':98 '6':105 'ATOM candlestick data' 'ATOM market data' 'ATOM price history' 'Cosmos OHLCV' 'accept':79 'addit':134 'ai':59 'ai/ml':148 'analysi':151 'analyt':58 'api':63,110 'appear':183 'atom':5,19,42 'atom-cosmos' 'attach':121 'base':14,28,75,91,100 'beyond':170 'broader':130 'caller':119 'candlestick':2,16 'classif':153 'close':36 'commit':118 'connect':188 'content':193 'convers':160 'cosmos':6,20,43 'crawl':195 'crypto':135 'crypto OHLCV API' 'crypto-market-data' 'cryptocurr':44 'cryptocurrency candles' 'data':3,17,39,57 'decim':106 'document':169 'embed':154 'endpoint':30,78,136,149 'estim':140 'exchang':143 'feed':142 'financ':60 'gas':139 'geocod':158 'header':125 'high':34 'infrastructur':156 'json':84 'json-api' 'key':111 'land':172 'limit':114 'list':133 'low':35 'lowpaymentfee.com':50,131 'market':38 'maxamountrequir':96 'model':168 'network':76 'offer':53 'ohlcv':1,15,32 'ohlcv-data' 'open':33 'page':173,181 'paid':7,21 'part':47 'payabl':65 'payment':85,124 'per':9,23,67,94 'per-request':8,22,66 'per-request-payment' 'platform':51,132 'post':80 'price':141,167 'protocol':72 'provid':31 'quot':138 'rate':113,144 'request':10,24,68,81,95,128 'requir':185 'return':83,190 'sentiment':150 'settl':87 'share':162 'simpli':120 'spars':175 'subscript':117 'substant':192 'suit':55 'summar':152 'token':137 'unit':101 'usdc':89,103 'usdc-base-network' 'util':62,157 'valid':159 'via':11,25,69 'volum':37 'wallet':187 'well':146 'x402':12,26,71,123 'x402-protocol'","prices":[{"id":"4bffd44c-b6e7-4dca-a795-e9445ba18b35","listingId":"2635cf33-6068-4ae5-b029-bf8459c54789","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/ATOM/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":"2026-04-18T18:34:18.561Z"}],"sources":[{"listingId":"2635cf33-6068-4ae5-b029-bf8459c54789","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/crypto/ATOM/ohlcv","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:34:18.561Z","lastSeenAt":"2026-04-23T20:01:31.074Z"}],"details":{"listingId":"2635cf33-6068-4ae5-b029-bf8459c54789","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/crypto/ATOM/ohlcv \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\n  -d '{}'","exampleRequest":{},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge advertising USDC on Base, maxAmountRequired 20000 (=$0.02)","source_url":"https://lowpaymentfee.com/api/v1/crypto/ATOM/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":"USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/crypto/ATOM/ohlcv"},{"claim":"Platform offers additional crypto, AI, analytics, and utility endpoints","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching historical OHLCV candle data for ATOM to build trading charts","Backtesting trading strategies using ATOM price and volume history","Integrating ATOM market data into a portfolio dashboard or bot","Agent-driven crypto analysis workflows that need per-call payment without API keys"],"bestFor":["Developers needing quick, keyless access to ATOM OHLCV data","AI agents that can settle micropayments via x402 on Base","Low-volume or sporadic consumers who prefer pay-per-call over subscriptions"],"notFor":["High-frequency trading requiring sub-second latency guarantees (no SLA documented)","Users who need free or bulk-discounted crypto data","Consumers who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:02:59.661Z"},"updatedAt":"2026-04-23T20:01:31.074Z"}}