{"id":"0df17442-180d-48ed-be2f-a33371c124bb","shortId":"7Rdy7J","kind":"x402","title":"Pay-per-call token data for LDO via x402 on Base, settled in USDC at $0.02/request.","tagline":"Pay-per-call token data for LDO via x402 on Base, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides on-demand data for the LDO (Lido DAO) token, accessible via the x402 payment protocol. Each call costs $0.02, paid in USDC on the Base network — no API keys, no rate limits, and no subscriptions required. The endpoint accepts POST requests and returns JSON.\n\nThe provider operates a broader platform offering dozens of pay-per-call endpoints across categories including data analytics, AI/ML inference, finance/Web3 market data, and infrastructure utilities — all at a uniform $0.02 per request. The specific `/api/v1/tokens/LDO` path sits within the crypto/finance vertical and likely returns token-level data such as price, market cap, or related metadata for the Lido DAO (LDO) token, though the exact response schema is not documented.\n\nPayment is handled entirely through the x402 protocol: callers send a payment proof in the `X-PAYMENT` header, settled on-chain via USDC (contract `0x8335…2913`) on Base. The x402 challenge confirms the endpoint is live, with a maximum amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals). No OpenAPI spec, detailed docs, or example responses were found in the crawl — the docs, pricing, and API pages all render only a wallet-connect prompt with no additional content.","tags":[],"capabilities":["token-data","ldo-token","x402-payment","usdc-settlement","base-network","pay-per-call","no-api-key","json-response"],"categories":["finance","crypto"],"synonyms":["LDO price","Lido DAO token data","crypto token API","LDO market data","token quote","x402 crypto API","pay-per-request token data"],"warnings":["No OpenAPI or schema documentation available — response format is unknown","Docs, pricing, and API pages render only a wallet-connect prompt with no usable content","Exact fields returned for the LDO token endpoint are not documented anywhere in the crawl","The endpoint path suggests token-specific data but could be a generic stub — unable to verify without a paid call"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/LDO","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/LDO","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02/request in USDC on Base), but there is no OpenAPI spec, no documented request/response schema, no example payloads, and the docs/pricing/API pages are empty beyond a wallet-connect prompt. The actual data returned by the LDO endpoint is entirely 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'/request':18,36 '0.02':17,35,61,118,207 '000':203 '0x8335':185 '20':202 '2913':186 '6':211 'LDO market data' 'LDO price' 'Lido DAO token data' 'accept':81 'access':52 'across':101 'addit':242 'ai/ml':106 'amount':200 'analyt':105 'api':70,230 'base':12,30,67,188,204 'base-network' 'broader':91 'call':4,22,59,99 'caller':167 'cap':141 'categori':102 'chain':181 'challeng':191 'confirm':192 'connect':238 'content':243 'contract':184 'cost':60 'crawl':225 'crypto token API' 'crypto/finance':128 'dao':50,148 'data':6,24,45,104,110,136 'decim':212 'demand':44 'detail':216 'doc':217,227 'document':158 'dozen':94 'endpoint':38,80,100,194 'entir':162 'exact':153 'exampl':219 'finance/web3':108 'found':222 'given':208 'handl':161 'header':177 'i.e':206 'includ':103 'infer':107 'infrastructur':112 'json':86 'json-response' 'key':71 'ldo':8,26,48,149 'ldo-token' 'level':135 'lido':49,147 'like':131 'limit':74 'live':196 'lowpaymentfee.com':40 'market':109,140 'maximum':199 'metadata':144 'network':68 'no-api-key' 'offer':93 'on-chain':179 'on-demand':42 'openapi':214 'oper':89 'page':231 'paid':62 'path':124 'pay':2,20,97 'pay-per-cal':1,19,96 'pay-per-call' 'pay-per-request token data' 'payment':56,159,170,176 'per':3,21,98,119 'platform':92 'post':82 'price':139,228 'prompt':239 'proof':171 'protocol':57,166 'provid':41,88 'rate':73 'relat':143 'render':233 'request':83,120 'requir':78 'respons':154,220 'return':85,132 'schema':155 'send':168 'settl':13,31,178 'sit':125 'spec':215 'specif':122 'subscript':77 'though':151 'token':5,23,51,134,150 'token quote' 'token-data' 'token-level':133 'uniform':117 'unit':205 'usdc':15,33,64,183,209 'usdc-settlement' 'util':113 'vertic':129 'via':9,27,53,182 'wallet':237 'wallet-connect':236 'within':126 'x':175 'x-payment':174 'x402':10,28,55,165,190 'x402 crypto API' 'x402-payment'","prices":[{"id":"5d76ec2d-3475-42ce-9a6c-2d11fb4ef934","listingId":"0df17442-180d-48ed-be2f-a33371c124bb","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/LDO","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:39:05.952Z"}],"sources":[{"listingId":"0df17442-180d-48ed-be2f-a33371c124bb","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/LDO","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:39:05.952Z","lastSeenAt":"2026-04-24T03:02:52.363Z"}],"details":{"listingId":"0df17442-180d-48ed-be2f-a33371c124bb","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/LDO \\\n  -H \"X-PAYMENT: <x402-payment-proof>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns HTTP 402 with x402 challenge requiring USDC payment on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/LDO"},{"claim":"maxAmountRequired is 20000 base units of USDC (6 decimals) = $0.02","source_url":"https://lowpaymentfee.com/api/v1/tokens/LDO"},{"claim":"All endpoints priced at $0.02/request with no API keys, no rate limits","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/tokens/LDO"}],"useCases":["Fetching current LDO token data (price, metadata) for trading bots or dashboards","Integrating Lido DAO token information into portfolio trackers without managing API keys","Agent-driven on-demand crypto data retrieval with micropayment settlement"],"bestFor":["Developers needing quick, keyless access to LDO token data","AI agents that can settle x402 micropayments on Base","Low-volume or sporadic crypto data consumers who prefer pay-per-call over subscriptions"],"notFor":["High-frequency trading requiring sub-second latency guarantees (no SLA documented)","Users needing bulk historical token data exports","Anyone unable to settle USDC payments on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:39.899Z"},"updatedAt":"2026-04-24T03:02:52.363Z"}}