{"id":"77f0add8-5240-432a-9c0f-bbaa8a597733","shortId":"3TebPz","kind":"x402","title":"Market quote for ZTS token via x402 micropayment on Base, $0.02 per request.","tagline":"Market quote for ZTS token via x402 micropayment on Base, $0.02 per request.","description":"This endpoint at `/api/v1/market/quote/ZTS` is part of the lowpaymentfee.com platform, which offers a suite of pay-per-call APIs settled via the x402 protocol on the Base network using USDC. The specific endpoint appears to provide a market quote for a token identified as \"ZTS.\" It accepts POST requests and returns JSON. Each call costs $0.02 (20,000 base units of USDC with 6 decimals) paid inline via the x402 payment header — no API keys, accounts, or rate limits required.\n\nThe broader lowpaymentfee.com platform advertises endpoints across four categories: Data & Analytics (metrics, reports, data export, insights), AI & Machine Learning (sentiment analysis, summarization, classification, embeddings), Finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and Infrastructure (geocoding, validation, conversion, generation). All endpoints are listed at the same $0.02/request price point. Documentation pages beyond the landing page returned only a \"Connect wallet\" prompt with no further technical detail, so the exact request schema, response fields, and data sources for this particular quote endpoint are unknown.\n\nPayment is settled on the Base L2 network to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using USDC (`0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`). The x402 challenge specifies version 1, scheme \"exact\", and a 300-second payment timeout.","tags":[],"capabilities":["market-quote","token-price","x402-payment","usdc-settlement","base-network","pay-per-call","no-api-key"],"categories":["finance","crypto"],"synonyms":["ZTS quote","token quote","market price","crypto quote API","x402 finance API","micropayment API","lowpaymentfee"],"warnings":["No documentation available — all doc/pricing/API pages return only 'Connect wallet' with no technical content.","The token 'ZTS' is not a widely recognized ticker; the data source and accuracy of quotes are unknown.","No request or response schema is published; callers must discover the format experimentally.","No SLA, rate-limit, or uptime guarantees are documented."],"endpointUrl":"https://lowpaymentfee.com/api/v1/market/quote/ZTS","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/market/quote/ZTS","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). However, there is no OpenAPI schema, no documented request/response format, no examples, and all docs pages return only 'Connect wallet'. The identity of the 'ZTS' token and the structure of the quote response are entirely 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'/request':156 '0.02':11,24,83,155 '000':85 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':203 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':206 '1':212 '20':84 '300':217 '6':91 'ZTS quote' 'accept':74 'account':103 'across':114 'address':202 'advertis':112 'ai':124 'analysi':128 'analyt':118 'api':46,101 'appear':61 'base':10,23,54,86,198 'base-network' 'beyond':161 'broader':109 'call':45,81 'categori':116 'challeng':209 'classif':130 'connect':168 'convers':146 'cost':82 'crypto quote API' 'data':117,121,184 'decim':92 'detail':175 'document':159 'embed':131 'endpoint':28,60,113,149,190 'estim':141 'exact':178,214 'exchang':136 'export':122 'feed':135 'field':182 'financ':132 'four':115 'gas':140 'generat':147 'geocod':144 'header':99 'identifi':70 'infrastructur':143 'inlin':94 'insight':123 'json':79 'key':102 'l2':199 'land':163 'learn':126 'limit':106 'list':151 'lowpaymentfee' 'lowpaymentfee.com':35,110 'machin':125 'market':1,14,65 'market price' 'market-quote' 'metric':119 'micropay':8,21 'micropayment API' 'network':55,200 'no-api-key' 'offer':38 'page':160,164 'paid':93 'part':32 'particular':188 'pay':43 'pay-per-cal':42 'pay-per-call' 'payment':98,193,219 'per':12,25,44 'platform':36,111 'point':158 'post':75 'price':134,157 'prompt':170 'protocol':51 'provid':63 'quot':2,15,66,139,189 'rate':105,137 'report':120 'request':13,26,76,179 'requir':107 'respons':181 'return':78,165 'schema':180 'scheme':213 'second':218 'sentiment':127 'settl':47,195 'sourc':185 'specif':59 'specifi':210 'suit':40 'summar':129 'technic':174 'timeout':220 'token':5,18,69,138 'token quote' 'token-price' 'unit':87 'unknown':192 'usdc':57,89,205 'usdc-settlement' 'use':56,204 'valid':145 'version':211 'via':6,19,48,95 'wallet':169 'web3':133 'x402':7,20,50,97,208 'x402 finance API' 'x402-payment' 'zts':4,17,72","prices":[{"id":"95e70708-04b6-44da-9aab-00601d3d1982","listingId":"77f0add8-5240-432a-9c0f-bbaa8a597733","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/market/quote/ZTS","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:33:55.638Z"}],"sources":[{"listingId":"77f0add8-5240-432a-9c0f-bbaa8a597733","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/market/quote/ZTS","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:55.638Z","lastSeenAt":"2026-04-23T20:01:28.850Z"}],"details":{"listingId":"77f0add8-5240-432a-9c0f-bbaa8a597733","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/market/quote/ZTS \\\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 HTTP 402 with x402 v1 challenge advertising USDC on Base at 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/market/quote/ZTS"},{"claim":"All APIs priced at $0.02/request with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/market/quote/ZTS"},{"claim":"Platform offers endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching a real-time market quote for the ZTS token","Integrating token price data into trading bots or dashboards","Agent-driven portfolio valuation requiring per-call payment","Programmatic price checks without managing API keys or subscriptions"],"bestFor":["Agents or bots needing on-demand token quotes with no signup","Low-volume or sporadic price lookups where per-call billing is ideal","Developers prototyping crypto data integrations on Base"],"notFor":["High-frequency trading requiring sub-second latency guarantees (no SLA documented)","Users who need detailed historical OHLCV data (endpoint appears to return a single quote)","Anyone without a Base-compatible USDC wallet for x402 payments"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:30:28.561Z"},"updatedAt":"2026-04-23T20:01:28.850Z"}}