{"id":"5b2cb9e9-9c56-4f6c-9b3c-7b31b1eb50c9","shortId":"ryKZxB","kind":"x402","title":"OHLCV candlestick data for IMX (Immutable X) via pay-per-request x402 on Base.","tagline":"OHLCV candlestick data for IMX (Immutable X) via pay-per-request x402 on Base.","description":"This endpoint provides OHLCV (Open, High, Low, Close, Volume) market data for the IMX (Immutable X) cryptocurrency token. It is part of the lowpaymentfee.com platform, which offers a suite of data, AI, finance, and utility APIs all gated behind the x402 payment protocol on the Base network.\n\nEach request costs $0.02 in USDC (USD Coin on Base, contract 0x8335…2913). The endpoint accepts POST requests and returns JSON. Payment is handled inline via the X-PAYMENT header per the x402 protocol — no API keys, accounts, or rate limits are required. The x402 challenge confirms the endpoint is live and accepting payments with a maxAmountRequired of 20000 base units (i.e., $0.02 given USDC's 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. There is no OpenAPI spec, no request/response schema, and no example payloads available. The exact POST body format (e.g., how to specify time range, interval, or other OHLCV parameters) is unknown and must be discovered experimentally.","tags":[],"capabilities":["ohlcv-data","crypto-market-data","imx-token","x402-payment","usdc-base","pay-per-request","no-api-key"],"categories":["finance","crypto"],"synonyms":["IMX candlestick data","Immutable X OHLCV","crypto OHLCV API","IMX price history","candlestick chart data","IMX market data","x402 crypto data"],"warnings":["No API documentation available — /docs, /pricing, /api, and /README pages all show only a wallet-connect prompt with no technical content.","No OpenAPI or JSON schema for request or response bodies; the required POST body format is unknown.","No example responses available; actual data structure of OHLCV output is unverified.","The endpoint description is generic ('Premium API Access') and does not describe the OHLCV functionality specifically."],"endpointUrl":"https://lowpaymentfee.com/api/v1/crypto/IMX/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/IMX/ohlcv","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge confirms the endpoint is live and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documented parameters, and no example payloads. The docs pages are empty. This is effectively a stub listing with confirmed 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'/docs':156 '/pricing':158 '/readme':160 '0.02':81,141 '0x8335':89 '20000':137 '2913':90 '6':145 'IMX candlestick data' 'IMX market data' 'IMX price history' 'Immutable X OHLCV' 'accept':93,131 'account':116 'ai':62 'api':66,114 'avail':186 'base':15,30,76,87,138 'behind':69 'beyond':148 'bodi':190 'candlestick':2,17 'candlestick chart data' 'challeng':124 'close':38 'coin':85 'confirm':125 'connect':166 'contract':88 'cost':80 'crypto OHLCV API' 'crypto-market-data' 'cryptocurr':47 'data':3,18,41,61 'decim':146 'detail':173 'discov':208 'document':147 'e.g':192 'endpoint':32,92,127 'exact':188 'exampl':184 'experiment':209 'extrem':153 'financ':63 'format':191 'gate':68 'given':142 'handl':101 'header':108 'high':36 'i.e':140 'immut':6,21,45 'imx':5,20,44 'imx-token' 'inlin':102 'interv':198 'json':98 'key':115 'land':150 'limit':119 'live':129 'low':37 'lowpaymentfee.com':54 'market':40 'maxamountrequir':135 'must':206 'network':77 'no-api-key' 'offer':57 'ohlcv':1,16,34,201 'ohlcv-data' 'open':35 'openapi':177 'page':151,161 'paramet':202 'part':51 'pay':10,25 'pay-per-request':9,24 'payload':185 'payment':72,99,107,132 'per':11,26,109 'platform':55 'post':94,189 'prompt':168 'protocol':73,112 'provid':33 'rang':197 'rate':118 'render':163 'request':12,27,79,95 'request/response':180 'requir':121 'return':97 'schema':181 'spars':154 'spec':178 'specifi':195 'suit':59 'technic':172 'time':196 'token':48 'unit':139 'unknown':204 'usd':84 'usdc':83,143 'usdc-base' 'util':65 'via':8,23,103 'volum':39 'wallet':167 'x':7,22,46,106 'x-payment':105 'x402':13,28,71,111,123 'x402 crypto data' 'x402-payment'","prices":[{"id":"fc670c9e-13aa-4310-befa-d43064ed6bc6","listingId":"5b2cb9e9-9c56-4f6c-9b3c-7b31b1eb50c9","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/IMX/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":"2026-04-18T18:34:17.954Z"}],"sources":[{"listingId":"5b2cb9e9-9c56-4f6c-9b3c-7b31b1eb50c9","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/crypto/IMX/ohlcv","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:34:17.954Z","lastSeenAt":"2026-04-23T20:01:31.026Z"}],"details":{"listingId":"5b2cb9e9-9c56-4f6c-9b3c-7b31b1eb50c9","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/crypto/IMX/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":"Endpoint returns 402 with x402 challenge confirming liveness and $0.02 USDC pricing on Base","source_url":"https://lowpaymentfee.com/api/v1/crypto/IMX/ohlcv"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/crypto/IMX/ohlcv"},{"claim":"Platform advertises $0.02/request, no API keys, no rate limits, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, API, pricing, and README pages render only a Connect wallet prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Fetching historical OHLCV candlestick data for IMX to build trading charts","Programmatic backtesting of IMX trading strategies using historical price data","Integrating IMX market data into dashboards or portfolio trackers without API key management"],"bestFor":["Agents or bots that need on-demand IMX market data without signup","Developers prototyping crypto dashboards who want instant pay-per-call access","x402-native workflows on Base that need lightweight market data"],"notFor":["High-frequency trading requiring sub-second latency and bulk historical downloads","Users who need OHLCV data for many tokens from a single endpoint (this is IMX-specific)","Anyone requiring detailed API documentation or guaranteed SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T17:36:03.607Z"},"updatedAt":"2026-04-23T20:01:31.026Z"}}