{"id":"75b8475c-0021-456b-a17c-92a4403df07a","shortId":"rEqK3T","kind":"x402","title":"Check order status via x402 micropayment on Base (USDC, $0.02/request).","tagline":"Check order status via x402 micropayment on Base (USDC, $0.02/request).","description":"This endpoint at lowpaymentfee.com returns the status of order #73 via a POST request, gated by an x402 payment challenge. It is part of a broader platform offering dozens of pay-per-call API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request settled in USDC on the Base network.\n\nThe specific resource `/api/v1/orders/73/status` is labeled \"Premium API Access\" in the x402 challenge. The challenge advertises a maxAmountRequired of 20,000 base units of USDC (contract 0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is made via the x402 \"exact\" scheme, with a 300-second timeout. No API keys or rate limits are required; callers simply attach a valid X-PAYMENT header.\n\nThe platform's landing page lists additional endpoints across four categories: Data & Analytics (metrics, reports, export, insights), AI & Machine Learning (sentiment analysis, text summarization, classification, embeddings), Finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and Infrastructure (geocoding, validation, conversion, generation). All are uniformly priced at $0.02 per request. Documentation pages beyond the landing page were largely empty (showing only \"Connect wallet\"), so detailed request/response schemas for this or other endpoints are not available.","tags":[],"capabilities":["x402-payment","usdc-base","order-status","pay-per-call","no-api-key","micropayment"],"categories":["commerce","infrastructure"],"synonyms":["order status API","x402 micropayment","pay-per-request API","Base USDC API","lowpaymentfee","402 payment endpoint","order tracking"],"warnings":["No OpenAPI or response schema available — request/response formats are unknown.","Documentation pages (/docs, /api, /pricing, /README) are effectively empty.","The endpoint path references a specific order ID (73); unclear if this generalizes to other order IDs.","The 'Premium API Access' label is generic and does not describe what data is returned.","Platform appears to be a demo or early-stage project with placeholder endpoints."],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/73/status","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/orders/73/status","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no response examples, no documentation beyond a landing page listing, and the specific endpoint path (/orders/73/status) appears to be a single hard-coded order ID with no explanation of its purpose or generalizability. Docs pages returned only 'Connect wallet' with no 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'/request':11,22 '0.02':10,21,72,114,197 '000':102 '0x8335':108 '20':101 '2913':109 '300':130 '402 payment endpoint' '6':118 '73':32 'Base USDC API' 'access':90 'across':158 'addit':156 'advertis':97 'ai':167 'ai/ml':62 'analysi':171 'analyt':61,162 'api':57,89,134 'attach':143 'avail':224 'base':8,19,80,103,111 'beyond':202 'broader':48 'call':56 'caller':141 'categori':160 'challeng':42,94,96 'check':1,12 'classif':174 'connect':211 'contract':107 'convers':190 'data':60,65,161 'decim':119 'detail':214 'document':200 'dozen':51 'embed':175 'empti':208 'endpoint':24,58,157,221 'equal':113 'estim':185 'exact':126 'exchang':180 'export':165 'feed':179 'financ':176 'finance/web3':64 'four':159 'gas':184 'gate':37 'generat':191 'geocod':188 'given':115 'header':149 'infer':63 'infrastructur':67,187 'insight':166 'key':135 'label':87 'land':153,204 'larg':207 'learn':169 'limit':138 'list':155 'lowpaymentfee' 'lowpaymentfee.com':26 'machin':168 'made':122 'maxamountrequir':99 'metric':163 'micropay':6,17 'micropayment' 'network':81 'no-api-key' 'offer':50 'order':2,13,31 'order status API' 'order tracking' 'order-status' 'page':154,201,205 'part':45 'pay':54 'pay-per-cal':53 'pay-per-call' 'pay-per-request API' 'payment':41,120,148 'per':55,73,198 'platform':49,151 'post':35 'premium':88 'price':70,178,195 'quot':183 'rate':137,181 'report':164 'request':36,74,199 'request/response':215 'requir':140 'resourc':84 'return':27 'schema':216 'scheme':127 'second':131 'sentiment':170 'settl':75 'show':209 'simpli':142 'span':59 'specif':83 'status':3,14,29 'summar':173 'text':172 'timeout':132 'token':182 'uniform':194 'unit':104 'usdc':9,20,77,106,116 'usdc-base' 'util':68 'valid':145,189 'via':4,15,33,123 'wallet':212 'web3':177 'x':147 'x-payment':146 'x402':5,16,40,93,125 'x402 micropayment' 'x402-payment'","prices":[{"id":"f5f3500f-3114-47b8-b7b7-40af1c24ce9b","listingId":"75b8475c-0021-456b-a17c-92a4403df07a","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/orders/73/status","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:49:08.702Z"}],"sources":[{"listingId":"75b8475c-0021-456b-a17c-92a4403df07a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/73/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:49:08.702Z","lastSeenAt":"2026-04-22T05:31:14.177Z"}],"details":{"listingId":"75b8475c-0021-456b-a17c-92a4403df07a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/73/status \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":{"url":"https://lowpaymentfee.com/api/v1/orders/73/status","method":"POST","headers":{"X-PAYMENT":"<x402-payment-token>","Content-Type":"application/json"}},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"maxAmountRequired is 20000 base units of USDC on Base (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/orders/73/status"},{"claim":"All endpoints on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Platform offers endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Checking the status of a specific order via a single micropayment","Demonstrating x402 payment-gated API access patterns","Integrating pay-per-call order lookups into agent workflows"],"bestFor":["Developers experimenting with x402 payment protocols","Agents needing low-cost, keyless API access on Base","Prototyping micropayment-gated service architectures"],"notFor":["Bulk order management or batch status queries","Users without USDC on the Base network","Production order tracking systems requiring documented schemas and SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:10.751Z"},"updatedAt":"2026-04-22T05:31:14.177Z"}}