{"id":"9648b13a-0cc3-43d0-b60d-b96e0b138292","shortId":"xJ7ZCj","kind":"x402","title":"OHLCV candlestick data for RSR (Reserve Rights) via per-request x402 micropayment on Base.","tagline":"OHLCV candlestick data for RSR (Reserve Rights) via per-request x402 micropayment on Base.","description":"This endpoint provides OHLCV (Open, High, Low, Close, Volume) market data for the RSR (Reserve Rights) cryptocurrency token. It is part of the lowpaymentfee.com platform, which offers a broad catalog of pay-per-call APIs spanning data analytics, AI/ML, finance, and infrastructure — all gated by the x402 payment protocol on the Base network.\n\nThe endpoint is accessed via HTTP POST and costs $0.02 per request, paid in USDC on Base. There are no API keys, no rate limits, and no subscription commitments; each call is individually settled through an x402 payment header. The x402 challenge confirms the endpoint is live, accepting payments to address 0x1A2B...85F3 with a max amount of 20,000 base units of USDC (i.e., $0.02 given 6 decimals).\n\nDocumentation beyond the landing page is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail. No OpenAPI schema, request/response examples, or parameter documentation were found. The exact request body format and the structure of the OHLCV response are unknown and must be discovered experimentally. This limits confidence in integration without trial-and-error.","tags":[],"capabilities":["ohlcv-data","crypto-market-data","rsr-token","x402-payment","per-request-micropayment","base-network","usdc-settlement"],"categories":["finance","crypto"],"synonyms":["RSR OHLCV","Reserve Rights candlestick data","RSR price history","crypto OHLCV API","RSR market data","x402 crypto data","micropayment market data"],"warnings":["No API documentation available — /docs, /api, /pricing, and /README pages all render only 'Connect wallet' with no technical content.","Request body schema and response format for the OHLCV endpoint are completely undocumented; integration requires experimentation.","No OpenAPI or ai-plugin manifest found.","The broader lowpaymentfee.com platform lists many endpoint categories but it is unclear how mature or reliable any individual endpoint is."],"endpointUrl":"https://lowpaymentfee.com/api/v1/crypto/RSR/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/RSR/ohlcv","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI schema, no request/response examples, and no meaningful documentation — the docs pages all show only a wallet-connect prompt. The exact request parameters and response format for the OHLCV endpoint are entirely 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'/docs':163 '/pricing':165 '/readme':167 '0.02':94,150 '000':144 '0x1a2b':136 '20':143 '6':152 '85f3':137 'RSR OHLCV' 'RSR market data' 'RSR price history' 'Reserve Rights candlestick data' 'accept':132 'access':88 'address':135 'ai/ml':70 'amount':141 'analyt':69 'api':66,105 'base':15,30,83,101,145 'base-network' 'beyond':155 'bodi':194 'broad':59 'call':65,115 'candlestick':2,17 'catalog':60 'challeng':126 'close':38 'commit':113 'confid':212 'confirm':127 'connect':173 'cost':93 'crypto OHLCV API' 'crypto-market-data' 'cryptocurr':47 'data':3,18,41,68 'decim':153 'detail':180 'discov':208 'document':154,188 'endpoint':32,86,129 'error':219 'exact':192 'exampl':185 'experiment':209 'extrem':160 'financ':71 'format':195 'found':190 'gate':75 'given':151 'header':123 'high':36 'http':90 'i.e':149 'individu':117 'infrastructur':73 'integr':214 'key':106 'land':157 'limit':109,211 'live':131 'low':37 'lowpaymentfee.com':54 'market':40 'max':140 'micropay':13,28 'micropayment market data' 'must':206 'network':84 'offer':57 'ohlcv':1,16,34,201 'ohlcv-data' 'open':35 'openapi':182 'page':158,168 'paid':97 'paramet':187 'part':51 'pay':63 'pay-per-cal':62 'payment':79,122,133 'per':10,25,64,95 'per-request':9,24 'per-request-micropayment' 'platform':55 'post':91 'prompt':175 'protocol':80 'provid':33 'rate':108 'render':170 'request':11,26,96,193 'request/response':184 'reserv':6,21,45 'respons':202 'right':7,22,46 'rsr':5,20,44 'rsr-token' 'schema':183 'settl':118 'span':67 'spars':161 'structur':198 'subscript':112 'technic':179 'token':48 'trial':217 'trial-and-error':216 'unit':146 'unknown':204 'usdc':99,148 'usdc-settlement' 'via':8,23,89 'volum':39 'wallet':174 'without':215 'x402':12,27,78,121,125 'x402 crypto data' 'x402-payment'","prices":[{"id":"c8ba4bf2-4e6b-4476-819c-de7816f018da","listingId":"9648b13a-0cc3-43d0-b60d-b96e0b138292","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/RSR/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":"2026-04-18T18:38:57.365Z"}],"sources":[{"listingId":"9648b13a-0cc3-43d0-b60d-b96e0b138292","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/crypto/RSR/ohlcv","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:38:57.365Z","lastSeenAt":"2026-04-24T05:31:49.538Z"}],"details":{"listingId":"9648b13a-0cc3-43d0-b60d-b96e0b138292","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/crypto/RSR/ohlcv \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\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/RSR/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 asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/crypto/RSR/ohlcv"},{"claim":"Docs, API, pricing, and README pages show only a 'Connect wallet' prompt with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Fetching historical OHLCV candlestick data for RSR to build trading charts","Programmatic backtesting of RSR trading strategies using historical price data","Agent-driven portfolio monitoring that needs RSR price snapshots on demand","Integrating RSR market data into dashboards without API key management"],"bestFor":["Agents or bots that need on-demand RSR market data without subscription overhead","Developers prototyping crypto dashboards who want instant, keyless API access","Low-volume consumers who prefer pay-per-call over monthly plans"],"notFor":["High-frequency trading requiring sub-second latency and guaranteed SLAs","Users who need comprehensive multi-asset OHLCV data in a single call","Anyone needing detailed API documentation before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:40.236Z"},"updatedAt":"2026-04-24T05:31:49.538Z"}}