{"id":"772c1452-d568-4f94-9e5c-980ac730995d","shortId":"j3B9re","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 #115 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 utility services — all priced at $0.02 per request and settled in USDC on the Base network.\n\nThe specific resource `/api/v1/orders/115/status` is labeled \"Premium API Access\" in the x402 challenge. The payment scheme is \"exact\" with a maxAmountRequired of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is made by including an X-PAYMENT header; no API keys or accounts are required. The challenge specifies a 300-second timeout window.\n\nThe broader platform advertises endpoints for sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation — all at the same $0.02 price point. Documentation pages exist but appear to require a wallet connection and contain no additional technical detail. No OpenAPI schema or detailed request/response documentation was found during the crawl.","tags":[],"capabilities":["x402-payment","usdc-base","order-status","pay-per-request","no-api-key","micropayment"],"categories":["commerce","infrastructure"],"synonyms":["order status API","x402 micropayment","pay-per-call API","USDC payment API","Base network API","lowpaymentfee"],"warnings":["No OpenAPI or request/response schema available","Documentation pages return only 'Connect wallet' with no technical content","Endpoint is hardcoded to order 115 — unclear if this is a demo or a real resource","No evidence of what the response payload looks like on successful payment","Platform lists many endpoints but none have detailed documentation"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/115/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/115/status","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no request/response examples, no documentation beyond a wallet-connect stub, and the endpoint appears to be a single hardcoded order ID (/orders/115/status) with unclear practical utility. The platform lists many endpoints but provides no substantive docs for any of 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'/request':11,22 '0.02':10,21,72,117,177 '000':106 '0x8335':111 '115':32 '20':105 '2913':112 '300':144 '6':121 'Base network API' 'USDC payment API' 'access':91 'account':137 'addit':193 'advertis':151 'ai/ml':62 'analysi':155 'analyt':61 'api':57,90,134 'appear':184 'base':8,19,81,107,114 'broader':48,149 'call':56 'challeng':42,95,141 'check':1,12 'classif':158 'connect':189 'contain':191 'convers':170 'crawl':207 'data':60,65 'decim':122 'detail':195,200 'document':180,202 'dozen':51 'embed':159 'endpoint':24,58,152 'equal':116 'estim':167 'exact':100 'exchang':162 'exist':182 'feed':161 'finance/web3':64 'found':204 'gas':166 'gate':37 'generat':172 'geocod':168 'given':118 'header':132 'includ':127 'infer':63 'key':135 'label':88 'lowpaymentfee' 'lowpaymentfee.com':26 'made':125 'maxamountrequir':103 'micropay':6,17 'micropayment' 'network':82 'no-api-key' 'offer':50 'openapi':197 'order':2,13,31 'order status API' 'order-status' 'page':181 'part':45 'pay':54 'pay-per-cal':53 'pay-per-call API' 'pay-per-request' 'payment':41,97,123,131 'per':55,73 'platform':49,150 'point':179 'post':35 'premium':89 'price':70,160,178 'quot':165 'rate':163 'request':36,74 'request/response':201 'requir':139,186 'resourc':85 'return':27 'schema':198 'scheme':98 'second':145 'sentiment':154 'servic':68 'settl':76 'span':59 'specif':84 'specifi':142 'status':3,14,29 'summar':157 'technic':194 'text':156 'timeout':146 'token':164 'unit':108 'usdc':9,20,78,110,119 'usdc-base' 'util':67 'valid':169 'via':4,15,33 'wallet':188 'window':147 'x':130 'x-payment':129 'x402':5,16,40,94 'x402 micropayment' 'x402-payment'","prices":[{"id":"d081a1cc-29ef-41d8-853a-d3f79b16d31a","listingId":"772c1452-d568-4f94-9e5c-980ac730995d","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/115/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":"2026-04-18T18:48:34.225Z"}],"sources":[{"listingId":"772c1452-d568-4f94-9e5c-980ac730995d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/115/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:48:34.225Z","lastSeenAt":"2026-04-22T15:01:31.236Z"}],"details":{"listingId":"772c1452-d568-4f94-9e5c-980ac730995d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/115/status \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The x402 challenge requires 20,000 base units of USDC on Base (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/orders/115/status"},{"claim":"The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Available API categories include Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure","source_url":"https://lowpaymentfee.com"}],"useCases":["Checking the status of a specific order programmatically with per-call payment","Demonstrating x402 payment-gated API access patterns","Integrating pay-per-use order tracking into agent workflows"],"bestFor":["Developers experimenting with x402 payment protocols","Agents needing low-cost, keyless API access on Base","Projects requiring micropayment-gated order status checks"],"notFor":["Bulk order management requiring batch status queries (single-order endpoint)","Users without USDC on Base network","Production systems needing detailed API documentation and SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:12.408Z"},"updatedAt":"2026-04-22T15:01:31.236Z"}}