{"id":"17916783-c5f4-4507-98fa-370a0d17eb6c","shortId":"c3E5aU","kind":"x402","title":"Get the current price of LEO token via a pay-per-call x402 endpoint on Base.","tagline":"Get the current price of LEO token via a pay-per-call x402 endpoint on Base.","description":"This endpoint returns the current price of the LEO token (UNUS SED LEO) in JSON format. It is part of the lowpaymentfee.com platform, which offers a broad catalog of pay-per-request APIs spanning finance, crypto, AI, analytics, and utility services — all gated via the x402 payment protocol on the Base network.\n\nThe specific endpoint `/api/v1/tokens/LEO/price` costs $0.02 per request, paid in USDC on Base (contract 0x8335…2913). There are no API keys, no rate limits, and no subscriptions — each call is individually settled via an x402 payment header. The challenge specifies an \"exact\" scheme with a max amount of 20,000 base units of USDC (6 decimals), which equals $0.02 USD.\n\nThe platform advertises instant access and a simple pricing model across all its endpoints. Documentation pages exist at /docs, /api, /pricing, and /README but currently render only a \"Connect wallet\" prompt with no substantive technical documentation. As a result, the exact request body schema and response format for this token-price endpoint are not documented and must be inferred from the endpoint path and description.","tags":[],"capabilities":["token-price-lookup","crypto-market-data","x402-payment","base-network","usdc-settlement","pay-per-request"],"categories":["finance","crypto"],"synonyms":["LEO token price","UNUS SED LEO price","crypto price API","token price feed","LEO USD price","x402 crypto data","lowpaymentfee"],"warnings":["No API documentation available — /docs, /api, /pricing, and /README all render only a 'Connect wallet' prompt with no technical content.","Request body schema and response format are undocumented; example request/response cannot be provided.","The broader lowpaymentfee.com platform lists many endpoints but none have visible documentation, raising questions about maturity."],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/LEO/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/LEO/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.400","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge with clear pricing. However, there is no OpenAPI schema, no documented request/response format, and all documentation pages render only a wallet-connect prompt. The actual data returned is entirely inferred from the URL 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'/api/v1/tokens/leo/price':91 '/docs':166 '/pricing':168 '/readme':170 '0.02':93,146 '000':137 '0x8335':102 '20':136 '2913':103 '6':142 'LEO USD price' 'LEO token price' 'UNUS SED LEO price' 'access':152 'across':158 'advertis':150 'ai':72 'amount':134 'analyt':73 'api':68,107 'base':17,34,86,100,138 'base-network' 'bodi':190 'broad':61 'call':13,30,116 'catalog':62 'challeng':126 'connect':176 'contract':101 'cost':92 'crypto':71 'crypto price API' 'crypto-market-data' 'current':3,20,39,172 'decim':143 'descript':213 'document':162,183,203 'endpoint':15,32,36,90,161,200,210 'equal':145 'exact':129,188 'exist':164 'financ':70 'format':50,194 'gate':78 'get':1,18 'header':124 'individu':118 'infer':207 'instant':151 'json':49 'key':108 'leo':6,23,43,47 'limit':111 'lowpaymentfee' 'lowpaymentfee.com':56 'max':133 'model':157 'must':205 'network':87 'offer':59 'page':163 'paid':96 'part':53 'path':211 'pay':11,28,65 'pay-per-cal':10,27 'pay-per-request':64 'payment':82,123 'per':12,29,66,94 'platform':57,149 'price':4,21,40,156,199 'prompt':178 'protocol':83 'rate':110 'render':173 'request':67,95,189 'respons':193 'result':186 'return':37 'schema':191 'scheme':130 'sed':46 'servic':76 'settl':119 'simpl':155 'span':69 'specif':89 'specifi':127 'subscript':114 'substant':181 'technic':182 'token':7,24,44,198 'token price feed' 'token-pric':197 'token-price-lookup' 'unit':139 'unus':45 'usd':147 'usdc':98,141 'usdc-settlement' 'util':75 'via':8,25,79,120 'wallet':177 'x402':14,31,81,122 'x402 crypto data' 'x402-payment'","prices":[{"id":"9977343c-6a17-433e-bce6-5a503d436adb","listingId":"17916783-c5f4-4507-98fa-370a0d17eb6c","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/LEO/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":"2026-04-18T18:39:06.312Z"}],"sources":[{"listingId":"17916783-c5f4-4507-98fa-370a0d17eb6c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/LEO/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:39:06.312Z","lastSeenAt":"2026-04-24T03:02:52.336Z"}],"details":{"listingId":"17916783-c5f4-4507-98fa-370a0d17eb6c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/LEO/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":"The endpoint returns HTTP 402 with an x402 challenge requiring 20,000 base units of USDC on Base ($0.02)","source_url":"https://lowpaymentfee.com/api/v1/tokens/LEO/price"},{"claim":"The platform advertises $0.02/request pricing 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/tokens/LEO/price"},{"claim":"Documentation pages (/docs, /api, /pricing, /README) render only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Fetching the latest LEO token price for portfolio tracking or trading bots","Integrating real-time LEO price data into dashboards or alerting systems","Agent-driven price lookups that settle payment automatically per call"],"bestFor":["Agents or apps needing on-demand LEO token pricing without API key management","Developers who want pay-per-use crypto data with no subscription commitment","x402-compatible clients on the Base network"],"notFor":["High-frequency trading requiring sub-second latency guarantees (no SLA documented)","Users who need historical price data or OHLCV candles (endpoint appears to return current price only)","Consumers without USDC on Base or an x402-compatible payment client"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:39.899Z"},"updatedAt":"2026-04-24T03:02:52.336Z"}}