{"id":"201a0984-c5cc-449b-8032-6eba33c5c1fb","shortId":"WaNAaX","kind":"x402","title":"Get the current price of KLAY token via a pay-per-call x402 endpoint on Base.","tagline":"Get the current price of KLAY token via a pay-per-call x402 endpoint on Base.","description":"This endpoint returns the current price of the KLAY (Klaytn) token. It is part of the lowpaymentfee.com platform, which offers a suite of pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3, and utility services. All endpoints use the x402 payment protocol, settling in USDC on the Base network with no API keys, no rate limits, and no subscriptions required.\n\nThe specific endpoint at `/api/v1/tokens/KLAY/price` accepts POST requests and returns JSON. The x402 challenge indicates a maximum cost of 20,000 base units of USDC (0.02 USD per request), paid to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base. The asset used for payment is USDC at contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`. The payment timeout is 300 seconds.\n\nNote that while the endpoint is live and returns a valid 402 challenge, there is no OpenAPI schema, no documented request/response format, and no example payloads available from the crawled site. The broader lowpaymentfee.com platform lists many endpoints across multiple categories, but documentation pages (docs, pricing, README) all render only a \"Connect wallet\" prompt with no additional technical detail. The actual response schema for this token price endpoint is unknown beyond the stated mimeType of `application/json`.","tags":[],"capabilities":["token-price-lookup","x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key","klay-price"],"categories":["finance","crypto"],"synonyms":["KLAY price API","Klaytn token price","crypto price feed","token price endpoint","KLAY market data","x402 crypto API","pay-per-call price API"],"warnings":["No OpenAPI or request/response schema available — actual response format is unknown","All documentation pages (/docs, /pricing, /README, /api) render only 'Connect wallet' with no technical content","The endpoint path suggests KLAY token price but no confirmation of response fields exists","This specific endpoint (/api/v1/tokens/KLAY/price) is not listed on the homepage — it may be an undocumented or dynamically generated route"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/KLAY/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/KLAY/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge with clear pricing. However, there is no OpenAPI schema, no request/response examples, and all documentation pages are empty beyond a wallet-connect prompt. The actual data returned is entirely undocumented, making this effectively a stub 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'0.02':122 '000':117 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':129 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':141 '20':116 '300':146 '402':159 'KLAY market data' 'KLAY price API' 'Klaytn token price' 'accept':102 'across':186 'actual':208 'addit':204 'address':128 'ai/ml':66 'analyt':65 'api':62,88 'application/json':223 'asset':133 'avail':174 'base':17,34,84,118,131 'base-network' 'beyond':218 'broader':180 'call':13,30 'categori':188 'challeng':110,160 'connect':199 'contract':140 'cost':114 'crawl':177 'crypto price feed' 'current':3,20,39 'data':64 'detail':206 'doc':192 'document':167,190 'endpoint':15,32,36,73,99,152,185,215 'exampl':172 'finance/web3':68 'format':169 'get':1,18 'indic':111 'infer':67 'json':107 'key':89 'klay':6,23,43 'klay-price' 'klaytn':44 'limit':92 'list':183 'live':154 'lowpaymentfee.com':51,181 'mani':184 'maximum':113 'mimetyp':221 'multipl':187 'network':85 'no-api-key' 'note':148 'offer':54 'openapi':164 'page':191 'paid':126 'part':48 'pay':11,28,59 'pay-per-cal':10,27 'pay-per-call price API' 'pay-per-request':58 'payload':173 'payment':77,136,143 'per':12,29,60,124 'platform':52,182 'post':103 'price':4,21,40,193,214 'prompt':201 'protocol':78 'rate':91 'readm':194 'render':196 'request':61,104,125 'request/response':168 'requir':96 'respons':209 'return':37,106,156 'schema':165,210 'second':147 'servic':71 'settl':79 'site':178 'span':63 'specif':98 'state':220 'subscript':95 'suit':56 'technic':205 'timeout':144 'token':7,24,45,213 'token price endpoint' 'token-price-lookup' 'unit':119 'unknown':217 'usd':123 'usdc':81,121,138 'usdc-settlement' 'use':74,134 'util':70 'valid':158 'via':8,25 'wallet':200 'x402':14,31,76,109 'x402 crypto API' 'x402-payment'","prices":[{"id":"5e11b332-2231-49b4-b4f1-b23c216510fd","listingId":"201a0984-c5cc-449b-8032-6eba33c5c1fb","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/KLAY/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":"2026-04-18T18:39:05.656Z"}],"sources":[{"listingId":"201a0984-c5cc-449b-8032-6eba33c5c1fb","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/KLAY/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:39:05.656Z","lastSeenAt":"2026-04-24T03:02:52.308Z"}],"details":{"listingId":"201a0984-c5cc-449b-8032-6eba33c5c1fb","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/KLAY/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 a 402 challenge with maxAmountRequired of 20000 base units of USDC (USD Coin) on Base network","source_url":"https://lowpaymentfee.com/api/v1/tokens/KLAY/price"},{"claim":"Payment is made to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 using USDC at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/tokens/KLAY/price"},{"claim":"The platform advertises $0.02 per request, no API keys, no rate limits, instant access, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The platform lists Finance & Web3 endpoints including price feeds, exchange rates, token quotes, and gas estimates","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching the current KLAY token price for portfolio tracking or trading bots","Integrating real-time KLAY pricing into a DeFi dashboard","Agent-driven price lookups where no API key management is desired","Micropayment-gated price data for on-chain applications"],"bestFor":["Agents or apps that need KLAY price data without managing API keys or subscriptions","Developers building on Base who want native USDC-settled API access","Low-volume or sporadic price lookups where pay-per-call is more economical than a subscription"],"notFor":["High-frequency trading requiring sub-second latency and bulk pricing (no documented rate guarantees)","Users who need historical KLAY price data or OHLCV candles (only current price is indicated)","Applications that cannot settle payments in USDC on Base"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:39.92Z"},"updatedAt":"2026-04-24T03:02:52.308Z"}}