{"id":"2aa35374-15c2-447c-a45a-f361244ac65f","shortId":"ZjbpkV","kind":"x402","title":"OHLCV candlestick data for ARB (Arbitrum) via pay-per-request x402 on Base.","tagline":"OHLCV candlestick data for ARB (Arbitrum) via pay-per-request x402 on Base.","description":"This endpoint provides OHLCV (Open, High, Low, Close, Volume) market data for the ARB (Arbitrum) token, served through the x402 payment protocol. Each request costs $0.02 in USDC on the Base network — no API keys, no rate limits, and no subscriptions required. The caller simply includes an X-PAYMENT header with a valid x402 payment proof and receives JSON data in return.\n\nThe endpoint is part of a broader suite of APIs offered by lowpaymentfee.com spanning data analytics, AI/ML inference, finance/Web3 market data, and utility services. All endpoints on the platform follow the same $0.02-per-request pricing model settled in USDC on Base. The specific endpoint at `/api/v1/crypto/ARB/ohlcv` accepts POST requests and returns application/json responses.\n\nDocumentation beyond the landing page is sparse — the /docs, /pricing, and /README pages all resolve to a minimal \"Connect wallet\" prompt with no further technical detail. There is no published OpenAPI schema, no request/response examples, and no documentation of supported query parameters (e.g., time range, candle interval). Prospective users should expect to experiment with the endpoint or contact the provider for integration guidance.","tags":[],"capabilities":["ohlcv-data","crypto-market-data","arb-token","x402-payment","per-request-pricing","base-network","usdc-settlement","no-api-key"],"categories":["finance","crypto"],"synonyms":["ARB candlestick data","Arbitrum OHLCV","crypto price history","ARB market data","token OHLCV API","candlestick chart data"],"warnings":["No documentation available — /docs, /pricing, /README all return only a 'Connect wallet' prompt with no technical content.","No OpenAPI or JSON schema published; request parameters (timeframe, interval, etc.) are undocumented.","Response format is unknown — no example responses are available anywhere in the crawl.","The broader platform lists many diverse endpoints (AI, analytics, utilities) all at $0.02; unclear whether all are fully implemented."],"endpointUrl":"https://lowpaymentfee.com/api/v1/crypto/ARB/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/ARB/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 USDC on Base), but there is no OpenAPI schema, no request/response examples, and no meaningful documentation beyond the landing page. The actual request body format and response structure are entirely 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'/docs':155 '/pricing':156 '/readme':158 '0.02':54,124 'ARB candlestick data' 'ARB market data' 'Arbitrum OHLCV' 'accept':140 'ai/ml':108 'analyt':107 'api':62,101 'application/json':145 'arb':5,19,42 'arb-token' 'arbitrum':6,20,43 'base':14,28,59,134 'base-network' 'beyond':148 'broader':98 'caller':72 'candl':192 'candlestick':2,16 'candlestick chart data' 'close':36 'connect':165 'contact':204 'cost':53 'crypto price history' 'crypto-market-data' 'data':3,17,39,89,106,112 'detail':172 'document':147,184 'e.g':189 'endpoint':30,93,117,137,202 'exampl':181 'expect':197 'experi':199 'finance/web3':110 'follow':121 'guidanc':209 'header':79 'high':34 'includ':74 'infer':109 'integr':208 'interv':193 'json':88 'key':63 'land':150 'limit':66 'low':35 'lowpaymentfee.com':104 'market':38,111 'minim':164 'model':129 'network':60 'no-api-key' 'offer':102 'ohlcv':1,15,32 'ohlcv-data' 'open':33 'openapi':177 'page':151,159 'paramet':188 'part':95 'pay':9,23 'pay-per-request':8,22 'payment':49,78,84 'per':10,24,126 'per-request':125 'per-request-pricing' 'platform':120 'post':141 'price':128 'prompt':167 'proof':85 'prospect':194 'protocol':50 'provid':31,206 'publish':176 'queri':187 'rang':191 'rate':65 'receiv':87 'request':11,25,52,127,142 'request/response':180 'requir':70 'resolv':161 'respons':146 'return':91,144 'schema':178 'serv':45 'servic':115 'settl':130 'simpli':73 'span':105 'spars':153 'specif':136 'subscript':69 'suit':99 'support':186 'technic':171 'time':190 'token':44 'token OHLCV API' 'usdc':56,132 'usdc-settlement' 'user':195 'util':114 'valid':82 'via':7,21 'volum':37 'wallet':166 'x':77 'x-payment':76 'x402':12,26,48,83 'x402-payment'","prices":[{"id":"21a3080a-1dfb-4866-aebd-dcec77d44d17","listingId":"2aa35374-15c2-447c-a45a-f361244ac65f","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/ARB/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":"2026-04-18T18:34:36.585Z"}],"sources":[{"listingId":"2aa35374-15c2-447c-a45a-f361244ac65f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/crypto/ARB/ohlcv","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:34:36.585Z","lastSeenAt":"2026-04-23T20:01:32.396Z"}],"details":{"listingId":"2aa35374-15c2-447c-a45a-f361244ac65f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/crypto/ARB/ohlcv \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_proof>\" \\\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 $0.02 USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/crypto/ARB/ohlcv"},{"claim":"USDC asset contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/crypto/ARB/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 endpoint accepts POST method and returns application/json","source_url":"https://lowpaymentfee.com/api/v1/crypto/ARB/ohlcv"}],"useCases":["Fetching historical OHLCV candle data for ARB to build trading charts","Feeding ARB price data into algorithmic trading or backtesting systems","Aggregating crypto market data across tokens for portfolio analytics","Powering real-time or near-real-time ARB price dashboards"],"bestFor":["Developers needing quick, keyless access to ARB OHLCV data","AI agents that can settle micropayments on Base via x402","Projects that want pay-per-use crypto data without subscriptions"],"notFor":["Users who need free or bulk-discounted high-volume market data","Anyone requiring comprehensive documentation or SLA guarantees before integration","Non-crypto use cases unrelated to market data"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T17:36:58.273Z"},"updatedAt":"2026-04-23T20:01:32.396Z"}}