{"id":"c1bd538b-211b-440c-b7bf-f563d2564ff9","shortId":"XFrbtt","kind":"x402","title":"Get the current price of CRO (Cronos) token via a pay-per-call x402 endpoint on Base.","tagline":"Get the current price of CRO (Cronos) token via a pay-per-call x402 endpoint on Base.","description":"This endpoint returns the current price of the CRO (Cronos) token. It is part of a broader suite of APIs offered by lowpaymentfee.com, which spans data analytics, AI/ML inference, finance/Web3 data, and utility services — all gated behind the x402 payment protocol on the Base network.\n\nThe endpoint accepts POST requests and returns JSON. Payment is settled in USDC on Base (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) at a cost of $0.02 per request (maxAmountRequired of 20,000 base units with 6 decimals). No API keys or rate limits are advertised; access is granted per-request upon valid x402 payment. The x402 challenge specifies a 300-second payment timeout.\n\nDocumentation on the site is extremely sparse — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no detailed documentation for the token price endpoint specifically. The response format and available query parameters (if any) are unknown. The endpoint is confirmed live via a valid 402 challenge.","tags":[],"capabilities":["token-price","crypto-market-data","x402-payment","base-network","usdc-settlement","pay-per-call"],"categories":["finance","crypto"],"synonyms":["CRO price","Cronos token price","crypto price API","token price feed","CRO market data","cryptocurrency price lookup"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content.","No OpenAPI or JSON schema describing request parameters or response format.","Response structure for the CRO price endpoint is completely unknown — no examples exist.","The broader site lists many endpoints across diverse categories (AI, analytics, finance, utilities) all at $0.02, which may indicate a generic template rather than fully implemented services."],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/CRO/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/CRO/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 via 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 beyond a wallet connect prompt. The actual response format is entirely 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'000':109 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':98 '20':108 '300':138 '402':204 '6':113 'CRO market data' 'CRO price' 'Cronos token price' 'accept':84 'access':123 'advertis':122 'ai/ml':64 'analyt':63 'api':56,116,151 'avail':189 'base':18,36,80,96,110 'base-network' 'behind':73 'broader':53 'call':14,32 'challeng':135,205 'confirm':199 'connect':160 'content':166 'contract':97 'cost':101 'cro':6,24,45 'crono':7,25,46 'crypto price API' 'crypto-market-data' 'cryptocurrency price lookup' 'current':3,21,41 'data':62,67 'decim':114 'detail':177 'doc':150 'document':142,178 'endpoint':16,34,38,83,183,197 'exampl':174 'extrem':147 'finance/web3':66 'format':187 'gate':72 'get':1,19 'grant':125 'infer':65 'json':89 'key':117 'limit':120 'live':200 'lowpaymentfee.com':59 'maxamountrequir':106 'network':81 'offer':57 'openapi':170 'page':155 'paramet':191 'part':50 'pay':12,30 'pay-per-cal':11,29 'pay-per-call' 'payment':76,90,132,140 'per':13,31,104,127 'per-request':126 'post':85 'price':4,22,42,152,182 'prompt':162 'protocol':77 'queri':190 'rate':119 'readm':154 'render':157 'request':86,105,128 'request/response':173 'respons':186 'return':39,88 'schema':171 'second':139 'servic':70 'settl':92 'site':145 'span':61 'spars':148 'specif':184 'specifi':136 'suit':54 'timeout':141 'token':8,26,47,181 'token price feed' 'token-price' 'unit':111 'unknown':195 'upon':129 'usdc':94 'usdc-settlement' 'util':69 'valid':130,203 'via':9,27,201 'wallet':161 'x402':15,33,75,131,134 'x402-payment'","prices":[{"id":"b1766e3f-47fa-4c54-bbc9-f9bdedd564cc","listingId":"c1bd538b-211b-440c-b7bf-f563d2564ff9","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/CRO/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":"2026-04-18T18:33:46.610Z"}],"sources":[{"listingId":"c1bd538b-211b-440c-b7bf-f563d2564ff9","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/CRO/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:46.610Z","lastSeenAt":"2026-04-23T20:01:28.202Z"}],"details":{"listingId":"c1bd538b-211b-440c-b7bf-f563d2564ff9","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/CRO/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","source_url":"https://lowpaymentfee.com/api/v1/tokens/CRO/price"},{"claim":"Payment is 20,000 base units of USDC (6 decimals = $0.02) on Base network","source_url":"https://lowpaymentfee.com/api/v1/tokens/CRO/price"},{"claim":"Site advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/tokens/CRO/price"},{"claim":"Documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Fetching the current CRO token price for portfolio tracking applications","Integrating real-time CRO pricing into trading bots or DeFi dashboards","Agents that need on-demand crypto price data without API key management"],"bestFor":["Developers or agents needing quick CRO price lookups without signup","Pay-per-use crypto price queries settled on Base with USDC","Lightweight integrations that don't need historical data or OHLCV"],"notFor":["Bulk historical price data retrieval (no evidence of batch or historical endpoints)","Users who need detailed documentation or guaranteed SLAs before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:45:33.066Z"},"updatedAt":"2026-04-23T20:01:28.202Z"}}