{"id":"db6960e1-1232-476d-a0e9-faab472429c3","shortId":"8zMXL8","kind":"x402","title":"Pay-per-call ENS token data endpoint on Base via x402, $0.02/request in USDC.","tagline":"Pay-per-call ENS token data endpoint on Base via x402, $0.02/request in USDC.","description":"This endpoint at lowpaymentfee.com provides token data for ENS (Ethereum Name Service) via a pay-per-request x402 protocol. It is part of a broader platform offering data & analytics, AI/ML inference, finance/Web3, and infrastructure APIs—all priced at $0.02 per request with no API keys, no rate limits, and no commitments required.\n\nThe specific endpoint `/api/v1/tokens/ENS` accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The x402 challenge specifies a maxAmountRequired of 20000 base units, which equals $0.02 (USDC uses 6 decimals). The payment timeout is 300 seconds.\n\nThe platform advertises itself as a simple, keyless API marketplace where you pay only for what you use. Documentation and detailed schema information are sparse—the docs, pricing, and API pages all appear to require a wallet connection to view content. The exact response format for the ENS token endpoint is not documented in available materials, so the output structure must be inferred as token-related data (likely price, metadata, or market information for ENS).","tags":[],"capabilities":["token-data","ens-lookup","pay-per-request","x402-payment","base-network","usdc-settlement","no-api-key","json-response"],"categories":["crypto","finance"],"synonyms":["ENS token price","ENS market data","token quotes","crypto token API","ENS data feed","Web3 token endpoint","pay-per-call crypto API"],"warnings":["No API documentation available without wallet connection","No request or response schema documented for /api/v1/tokens/ENS","Exact data returned (price, metadata, market cap, etc.) is unknown","Platform appears relatively new with minimal public documentation"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/ENS","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/ENS","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 challenge with clear pricing. However, there is no OpenAPI schema, no documented request/response format, and the docs pages are gated behind wallet connection, leaving the actual data returned by this endpoint 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'/request':14,30 '0.02':13,29,72,119 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':106 '20000':114 '300':128 '6':122 'ENS data feed' 'ENS market data' 'ENS token price' 'Web3 token endpoint' 'accept':90 'advertis':132 'ai/ml':63 'analyt':62 'api':68,77,138,159 'appear':162 'avail':184 'base':10,26,101,115 'base-network' 'broader':58 'call':4,20 'challeng':109 'commit':84 'connect':167 'content':170 'contract':105 'crypto token API' 'data':7,23,39,61,197 'decim':123 'detail':150 'doc':156 'document':148,182 'en':5,21,41,177,205 'endpoint':8,24,34,88,179 'ens-lookup' 'equal':118 'ethereum':42 'exact':172 'finance/web3':65 'format':174 'infer':64,192 'inform':152,203 'infrastructur':67 'json':95 'json-response' 'key':78 'keyless':137 'like':198 'limit':81 'lowpaymentfee.com':36 'market':202 'marketplac':139 'materi':185 'maxamountrequir':112 'metadata':200 'must':190 'name':43 'network':102 'no-api-key' 'offer':60 'output':188 'page':160 'part':55 'pay':2,18,48,142 'pay-per-cal':1,17 'pay-per-call crypto API' 'pay-per-request':47 'payment':96,125 'per':3,19,49,73 'platform':59,131 'post':91 'price':70,157,199 'protocol':52 'provid':37 'rate':80 'relat':196 'request':50,74,92 'requir':85,164 'respons':173 'return':94 'schema':151 'second':129 'servic':44 'settl':98 'simpl':136 'spars':154 'specif':87 'specifi':110 'structur':189 'timeout':126 'token':6,22,38,178,195 'token quotes' 'token-data' 'token-rel':194 'unit':116 'usdc':16,32,104,120 'usdc-settlement' 'use':103,121,147 'via':11,27,45 'view':169 'wallet':166 'x402':12,28,51,108 'x402-payment'","prices":[{"id":"ef14dd3a-2596-47e2-bc86-af9d491e4c7f","listingId":"db6960e1-1232-476d-a0e9-faab472429c3","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/ENS","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:33:41.114Z"}],"sources":[{"listingId":"db6960e1-1232-476d-a0e9-faab472429c3","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/ENS","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:41.114Z","lastSeenAt":"2026-04-23T20:01:27.778Z"}],"details":{"listingId":"db6960e1-1232-476d-a0e9-faab472429c3","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/ENS \\\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 requiring 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/ENS"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/tokens/ENS"}],"useCases":["Fetching current ENS token data or pricing information on demand","Building dashboards or bots that need ENS market data without managing API keys","Agent-driven workflows that pay per call for crypto token information","Integrating ENS token data into DeFi applications"],"bestFor":["Developers needing keyless, on-demand ENS token data","AI agents that can settle micropayments on Base","Low-volume or sporadic token data lookups where subscriptions are wasteful"],"notFor":["High-frequency trading requiring sub-second latency guarantees (no SLA documented)","Users who cannot transact in USDC on Base network","Comprehensive ENS domain resolution (this is token data, not name resolution)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:45:14.759Z"},"updatedAt":"2026-04-23T20:01:27.778Z"}}