{"id":"736cc36a-171a-48e2-935e-7a34ff15ed74","shortId":"Vwg4r3","kind":"x402","title":"Real-time LTC price data via x402 micropayment on Base for $0.02 per request.","tagline":"Real-time LTC price data via x402 micropayment on Base for $0.02 per request.","description":"This endpoint returns the current price of Litecoin (LTC) as a JSON response, gated behind an x402 payment challenge on the Base network. It is part of a broader suite of pay-per-call APIs offered by lowpaymentfee.com, covering data analytics, AI/ML inference, finance, crypto, and utility services — all priced at $0.02 per request.\n\nThe x402 challenge specifies payment in USDC (contract 0x8335…2913 on Base) with a maxAmountRequired of 20,000 base units, which equals $0.02 given USDC's 6 decimals. The endpoint uses the \"exact\" payment scheme, accepts POST requests, and allows a payment timeout of up to 300 seconds. No API keys or rate limits are advertised; access is granted purely through the x402 payment header.\n\nDocumentation beyond the landing page is extremely sparse — the /docs, /pricing, /api, and /README pages all returned only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI spec, no example request/response payloads, and no description of the response schema. The endpoint is confirmed live (402 challenge returned), but the actual response format after successful payment is unknown.","tags":[],"capabilities":["crypto-price-feed","ltc-price","x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key"],"categories":["finance","crypto"],"synonyms":["litecoin price API","LTC market price","crypto price endpoint","litecoin USD price","token price feed","LTC quote"],"warnings":["No OpenAPI or schema documentation available — response format after payment is unknown","All doc pages (/docs, /pricing, /api, /README) return only a 'Connect wallet' prompt with no content","No SLA, rate-limit, or uptime guarantees documented","The broader lowpaymentfee.com platform lists many endpoints but provides no technical documentation for any of them"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/LTC/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/LTC/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.400","qualityRationale":"The endpoint is confirmed live with a well-formed x402 challenge and clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no documented request/response schema, and all documentation pages are empty beyond a wallet-connect prompt. The actual response payload after payment is entirely 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'/docs':160 '/pricing':161 '/readme':164 '0.02':13,28,83,108 '000':103 '0x8335':94 '20':102 '2913':95 '300':132 '402':199 '6':112 'LTC market price' 'LTC quote' 'accept':121 'access':142 'actual':204 'addit':175 'advertis':141 'ai/ml':73 'allow':125 'analyt':72 'api':66,135 'base':11,26,52,97,104 'base-network' 'behind':45 'beyond':152 'broader':59 'call':65 'challeng':49,88,200 'confirm':197 'connect':170 'contract':93 'cover':70 'crypto':76 'crypto price endpoint' 'crypto-price-feed' 'current':35 'data':6,21,71 'decim':113 'descript':189 'detail':177 'document':151 'endpoint':32,115,195 'equal':107 'exact':118 'exampl':184 'extrem':157 'financ':75 'format':206 'gate':44 'given':109 'grant':144 'header':150 'infer':74 'json':42 'key':136 'land':154 'limit':139 'litecoin':38 'litecoin USD price' 'litecoin price API' 'live':198 'lowpaymentfee.com':69 'ltc':4,19,39 'ltc-price' 'maxamountrequir':100 'micropay':9,24 'network':53 'no-api-key' 'offer':67 'openapi':181 'page':155,165 'part':56 'pay':63 'pay-per-cal':62 'pay-per-request' 'payload':186 'payment':48,90,119,127,149,209 'per':14,29,64,84 'post':122 'price':5,20,36,81 'prompt':172 'pure':145 'rate':138 'real':2,17 'real-tim':1,16 'request':15,30,85,123 'request/response':185 'respons':43,192,205 'return':33,167,201 'schema':193 'scheme':120 'second':133 'servic':79 'spars':158 'spec':182 'specifi':89 'success':208 'suit':60 'technic':176 'time':3,18 'timeout':128 'token price feed' 'unit':105 'unknown':211 'usdc':92,110 'usdc-settlement' 'use':116 'util':78 'via':7,22 'wallet':171 'x402':8,23,47,87,148 'x402-payment'","prices":[{"id":"6bfeb010-cc9d-4914-b9e0-d93616173e36","listingId":"736cc36a-171a-48e2-935e-7a34ff15ed74","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/LTC/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":"2026-04-18T18:39:07.541Z"}],"sources":[{"listingId":"736cc36a-171a-48e2-935e-7a34ff15ed74","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/LTC/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:39:07.541Z","lastSeenAt":"2026-04-24T03:02:52.429Z"}],"details":{"listingId":"736cc36a-171a-48e2-935e-7a34ff15ed74","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/LTC/price \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The x402 challenge requires 20,000 base units of USDC on Base, equaling $0.02 per request","source_url":"https://lowpaymentfee.com/api/v1/tokens/LTC/price"},{"claim":"The USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/LTC/price"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The endpoint uses POST method and the exact payment scheme with a 300-second timeout","source_url":"https://lowpaymentfee.com/api/v1/tokens/LTC/price"}],"useCases":["Fetching the current LTC price for a trading bot or portfolio tracker","Integrating real-time Litecoin pricing into a DeFi dashboard","Agent-driven price lookups without managing API keys or subscriptions"],"bestFor":["Agents or apps needing on-demand LTC price data without signup","Developers who want to pay per call with USDC on Base","Low-volume or sporadic crypto price queries"],"notFor":["High-frequency trading requiring sub-second latency guarantees (no SLA documented)","Users who need historical price data or OHLCV candles (not offered at this endpoint)","Anyone unable to settle payments in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:39.806Z"},"updatedAt":"2026-04-24T03:02:52.429Z"}}