{"id":"d8036cf2-d85f-48d2-af14-38ca317fe15f","shortId":"n9MBqN","kind":"x402","title":"Real-time CRV token price data via x402 micropayment on Base for $0.02 per request.","tagline":"Real-time CRV token price data via x402 micropayment on Base for $0.02 per request.","description":"This endpoint returns the current price of the CRV (Curve DAO) token. It is part of a broader suite of pay-per-request APIs hosted at lowpaymentfee.com, covering data analytics, AI/ML inference, finance/Web3 data, and utility services. The endpoint uses the x402 payment protocol, settling in USDC on the Base network at $0.02 per call. No API keys, rate limits, or subscriptions are required — each request is individually paid via an X-PAYMENT header.\n\nThe specific endpoint `/api/v1/tokens/CRV/price` sits within the Finance & Web3 category of the provider's API catalog. While the provider lists several token-related endpoints (e.g., `/api/v1/crypto/quotes`, `/api/v1/finance/prices`), this particular path targets CRV specifically. The x402 challenge confirms the endpoint is live, accepts POST requests, and returns application/json responses. The payment is settled to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base.\n\nDocumentation beyond the landing page is sparse — the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no additional technical detail. No OpenAPI schema, request/response examples, or detailed field descriptions are available from the crawl. The output schema in the x402 challenge only specifies that the input method is HTTP POST; no response body schema is provided.","tags":[],"capabilities":["token-price","crv-price","x402-payment","usdc-settlement","base-network","pay-per-request","real-time-data","crypto-market-data"],"categories":["finance","crypto"],"synonyms":["CRV price API","Curve DAO token price","crypto price feed","token price lookup","CRV market data","x402 crypto API","micropayment price API"],"warnings":["No response schema or example response available — actual JSON structure is unknown","Documentation pages (/docs, /pricing, /api, /README) are all empty beyond a wallet-connect prompt","No OpenAPI or machine-readable API specification found","The specific /api/v1/tokens/CRV/price path is not listed on the landing page; it may be a dynamic route pattern like /api/v1/tokens/{symbol}/price"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/CRV/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/CRV/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.400","qualityRationale":"The x402 challenge confirms the endpoint is live and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no documented request/response format, and all documentation pages return only a wallet-connect prompt. The actual response structure must be 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'/api/v1/crypto/quotes':135 '/api/v1/finance/prices':136 '/api/v1/tokens/crv/price':112 '/docs':179 '/pricing':180 '/readme':183 '0.02':14,30,86 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':164 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':168 'CRV market data' 'CRV price API' 'Curve DAO token price' 'accept':151 'addit':194 'address':163 'ai/ml':64 'analyt':63 'api':57,90,123 'application/json':156 'avail':207 'base':12,28,83,170 'base-network' 'beyond':172 'bodi':229 'broader':50 'call':88 'catalog':124 'categori':118 'challeng':145,217 'confirm':146 'connect':189 'contract':167 'cover':61 'crawl':210 'crv':4,20,41,141 'crv-price' 'crypto price feed' 'crypto-market-data' 'current':37 'curv':42 'dao':43 'data':7,23,62,67 'descript':205 'detail':196,203 'document':171 'e.g':134 'endpoint':34,72,111,133,148 'exampl':201 'field':204 'financ':116 'finance/web3':66 'header':108 'host':58 'http':225 'individu':101 'infer':65 'input':222 'key':91 'land':174 'limit':93 'list':128 'live':150 'lowpaymentfee.com':60 'method':223 'micropay':10,26 'micropayment price API' 'network':84 'openapi':198 'output':212 'page':175,184 'paid':102 'part':47 'particular':138 'path':139 'pay':54 'pay-per-request':53 'payment':76,107,159 'per':15,31,55,87 'post':152,226 'price':6,22,38 'prompt':191 'protocol':77 'provid':121,127,232 'rate':92 'real':2,18 'real-tim':1,17 'real-time-data' 'relat':132 'render':186 'request':16,32,56,99,153 'request/response':200 'requir':97 'respons':157,228 'return':35,155 'schema':199,213,230 'servic':70 'settl':78,161 'sever':129 'sit':113 'spars':177 'specif':110,142 'specifi':219 'subscript':95 'suit':51 'target':140 'technic':195 'time':3,19 'token':5,21,44,131 'token price lookup' 'token-price' 'token-rel':130 'usdc':80,166 'usdc-settlement' 'use':73,165 'util':69 'via':8,24,103 'wallet':190 'web3':117 'within':114 'x':106 'x-payment':105 'x402':9,25,75,144,216 'x402 crypto API' 'x402-payment'","prices":[{"id":"ed186496-586a-4fd5-b13e-4820aa5d9a49","listingId":"d8036cf2-d85f-48d2-af14-38ca317fe15f","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/CRV/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":"2026-04-18T18:33:00.617Z"}],"sources":[{"listingId":"d8036cf2-d85f-48d2-af14-38ca317fe15f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/CRV/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:00.617Z","lastSeenAt":"2026-04-23T20:01:24.606Z"}],"details":{"listingId":"d8036cf2-d85f-48d2-af14-38ca317fe15f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/CRV/price \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\"","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 it is live and accepts POST requests with USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/CRV/price"},{"claim":"Price is $0.02 per request (maxAmountRequired 20000 in USDC base units, 6 decimals)","source_url":"https://lowpaymentfee.com/api/v1/tokens/CRV/price"},{"claim":"Provider advertises no API keys, no rate limits, instant access, Base network, $0.02/request","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/CRV/price"}],"useCases":["Fetching the current CRV token price for portfolio tracking or trading bots","Integrating real-time CRV pricing into DeFi dashboards without API key management","Agent-driven price lookups where per-call micropayments replace subscription billing","Comparing CRV prices across sources for arbitrage detection"],"bestFor":["Agents or bots needing on-demand CRV price data without subscription overhead","Developers who want keyless, pay-per-use crypto price feeds on Base","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 needing historical OHLCV data or charting — only current price is indicated","Anyone without a Base-compatible USDC wallet for x402 payments"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T19:32:42.376Z"},"updatedAt":"2026-04-23T20:01:24.606Z"}}