{"id":"cba4b45f-2521-4902-af3b-f5fac2c7214e","shortId":"Rj5Egy","kind":"x402","title":"Get the current ICP token price via x402 micropayment on Base for $0.02 per request.","tagline":"Get the current ICP token price via x402 micropayment on Base for $0.02 per request.","description":"This endpoint returns the current price of the ICP (Internet Computer) token. It is part of a broader suite of pay-per-call APIs hosted at lowpaymentfee.com, covering data analytics, AI/ML inference, finance/Web3 data, and utility services. All endpoints use the x402 protocol for payment, settling in USDC on the Base network.\n\nThe specific endpoint `/api/v1/tokens/ICP/price` accepts POST requests and returns JSON. The x402 challenge advertises a maxAmountRequired of 20,000 base units of USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base), which equals $0.02 per request (USDC uses 6 decimals). No API keys or accounts are needed — payment is handled entirely via the X-PAYMENT header in the x402 flow.\n\nDocumentation on the site is extremely sparse. The docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no additional content. There is no OpenAPI schema, no request/response examples, and no detailed documentation for any endpoint. The endpoint is confirmed live (returns a proper 402 challenge), but the exact response format and any supported query parameters are unknown.","tags":[],"capabilities":["token-price","icp-price","x402-payment","usdc-base","pay-per-call","crypto-market-data","no-api-key"],"categories":["finance","crypto"],"synonyms":["ICP price API","Internet Computer price","token price lookup","crypto price feed","ICP market data","x402 crypto API"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content.","No OpenAPI or schema definition for request or response bodies.","No example responses available; the actual data returned by this endpoint is unverified.","The broader lowpaymentfee.com platform lists many endpoints but provides no detailed docs for any of them."],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/ICP/price","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/tokens/ICP/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live with 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 are empty stubs. The exact response format and supported parameters are entirely 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'0.02':13,28,112 '000':102 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':107 '20':101 '402':188 '6':117 'ICP market data' 'ICP price API' 'Internet Computer price' 'accept':88 'account':123 'addit':163 'advertis':97 'ai/ml':62 'analyt':61 'api':55,120,149 'base':11,26,82,103,109 'broader':48 'call':54 'challeng':96,189 'comput':41 'confirm':183 'connect':158 'content':164 'cover':59 'crypto price feed' 'crypto-market-data' 'current':3,18,35 'data':60,65 'decim':118 'detail':175 'doc':148 'document':140,176 'endpoint':32,70,86,179,181 'entir':129 'equal':111 'exact':192 'exampl':172 'extrem':145 'finance/web3':64 'flow':139 'format':194 'get':1,16 'handl':128 'header':135 'host':56 'icp':4,19,39 'icp-price' 'infer':63 'internet':40 'json':93 'key':121 'live':184 'lowpaymentfee.com':58 'maxamountrequir':99 'micropay':9,24 'need':125 'network':83 'no-api-key' 'openapi':168 'page':153 'paramet':199 'part':45 'pay':52 'pay-per-cal':51 'pay-per-call' 'payment':76,126,134 'per':14,29,53,113 'post':89 'price':6,21,36,150 'prompt':160 'proper':187 'protocol':74 'queri':198 'readm':152 'render':155 'request':15,30,90,114 'request/response':171 'respons':193 'return':33,92,185 'schema':169 'servic':68 'settl':77 'site':143 'spars':146 'specif':85 'suit':49 'support':197 'token':5,20,42 'token price lookup' 'token-price' 'unit':104 'unknown':201 'usdc':79,106,115 'usdc-base' 'use':71,116 'util':67 'via':7,22,130 'wallet':159 'x':133 'x-payment':132 'x402':8,23,73,95,138 'x402 crypto API' 'x402-payment'","prices":[{"id":"08f6785b-753f-40a9-bf1e-16e59e1cf107","listingId":"cba4b45f-2521-4902-af3b-f5fac2c7214e","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/tokens/ICP/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:39:01.597Z"}],"sources":[{"listingId":"cba4b45f-2521-4902-af3b-f5fac2c7214e","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/ICP/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:39:01.597Z","lastSeenAt":"2026-04-24T04:31:52.402Z"}],"details":{"listingId":"cba4b45f-2521-4902-af3b-f5fac2c7214e","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/ICP/price \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/tokens/ICP/price"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/ICP/price"},{"claim":"All APIs are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching the current ICP token price for portfolio tracking or trading bots","Integrating real-time ICP pricing into a dApp or dashboard","Agent-driven price checks where per-call micropayment is preferred over subscription keys"],"bestFor":["Developers needing ICP price data without managing API keys","AI agents that can pay per request via x402","Low-volume or sporadic price lookups where $0.02/call is cost-effective"],"notFor":["High-frequency trading requiring sub-second latency and bulk pricing tiers","Users who need historical OHLCV data or charting (no evidence this endpoint provides that)","Anyone needing detailed documentation or SLA guarantees before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:40.043Z"},"updatedAt":"2026-04-24T04:31:52.402Z"}}