{"id":"c9007e88-8465-42bc-a3e2-a112bcc783ec","shortId":"C9qECH","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 #183 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 across data analytics, AI/ML inference, finance/Web3, and infrastructure utilities — all priced at $0.02 per request, settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/orders/183/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 via the X-PAYMENT header per the x402 protocol, with a 300-second timeout. No API keys or rate limits are advertised; access is instant once payment is included.\n\nThe platform's landing page lists additional endpoints for metrics, reports, data export, insights, 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. However, documentation pages (docs, api, pricing, README) all returned only a \"Connect wallet\" prompt with no substantive content, so the actual behavior and response schemas of these endpoints are unknown beyond what the x402 challenge reveals.","tags":[],"capabilities":["x402-payment","usdc-base","order-status","pay-per-request","no-api-key","micropayment"],"categories":["commerce","infrastructure"],"synonyms":["order status API","x402 endpoint","USDC micropayment API","Base network API","pay-per-call API","lowpaymentfee"],"warnings":["No API documentation available — all doc pages return only 'Connect wallet'","No response schema or example response provided for this endpoint","Endpoint is specific to order #183; unclear if other order IDs are supported at different URLs","Platform appears to be a demo or early-stage project with placeholder documentation"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/183/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/183/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 captured) and pricing is clear ($0.02 USDC on Base). However, there is no documentation, no response schema, no example responses, and the endpoint is hardcoded to a single order ID (183). All doc/pricing/README pages returned only 'Connect wallet' with no 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'/request':11,22 '0.02':10,21,71,115,191 '000':104 '0x8335':109 '183':32 '20':103 '2913':110 '300':136 '6':119 'Base network API' 'USDC micropayment API' 'access':89,147 'across':59 'actual':214 'addit':160 'advertis':146 'ai/ml':62 'analysi':169 'analyt':61 'api':57,88,140,198 'base':8,19,79,105,112 'behavior':215 'beyond':224 'broader':48 'call':56 'challeng':42,93,228 'check':1,12 'classif':172 'connect':205 'content':211 'convers':184 'data':60,165 'decim':120 'doc':197 'document':195 'dozen':51 'embed':173 'endpoint':24,58,83,161,221 'equal':114 'estim':181 'exact':98 'exchang':176 'export':166 'feed':175 'finance/web3':64 'gas':180 'gate':37 'generat':186 'geocod':182 'given':116 'header':129 'howev':194 'includ':153 'infer':63 'infrastructur':66 'insight':167 'instant':149 'key':141 'label':86 'land':157 'limit':144 'list':159 'lowpaymentfee' 'lowpaymentfee.com':26 'made':123 'maxamountrequir':101 'metric':163 'micropay':6,17 'micropayment' 'network':80 'no-api-key' 'offer':50 'order':2,13,31 'order status API' 'order-status' 'page':158,196 'part':45 'pay':54 'pay-per-cal':53 'pay-per-call API' 'pay-per-request' 'payment':41,95,121,128,151 'per':55,72,130 'platform':49,155 'point':193 'post':35 'premium':87 'price':69,174,192,199 'prompt':207 'protocol':133 'quot':179 'rate':143,177 'readm':200 'report':164 'request':36,73 'respons':217 'return':27,202 'reveal':229 'schema':218 'scheme':96 'second':137 'sentiment':168 'settl':74 'specif':82 'status':3,14,29 'substant':210 'summar':171 'text':170 'timeout':138 'token':178 'unit':106 'unknown':223 'usdc':9,20,76,108,117 'usdc-base' 'util':67 'valid':183 'via':4,15,33,124 'wallet':206 'x':127 'x-payment':126 'x402':5,16,40,92,132,227 'x402 endpoint' 'x402-payment'","prices":[{"id":"b0a73038-7769-4941-a073-22fccc5716cf","listingId":"c9007e88-8465-42bc-a3e2-a112bcc783ec","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/183/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":"2026-04-18T18:48:51.685Z"}],"sources":[{"listingId":"c9007e88-8465-42bc-a3e2-a112bcc783ec","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/183/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:48:51.685Z","lastSeenAt":"2026-04-22T10:01:54.774Z"}],"details":{"listingId":"c9007e88-8465-42bc-a3e2-a112bcc783ec","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/183/status \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":{"url":"https://lowpaymentfee.com/api/v1/orders/183/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, equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/orders/183/status"},{"claim":"All endpoints priced at $0.02 per request with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/orders/183/status"},{"claim":"Platform lists endpoints for analytics, AI/ML, finance, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Checking the status of a specific order (#183) programmatically","Demonstrating x402 payment-gated API access on Base","Agent-driven order tracking with per-request USDC micropayments"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing pay-per-call order status checks without API keys","Projects already using USDC on Base network"],"notFor":["Bulk order management across many order IDs (only order 183 is exposed at this URL)","Users who need detailed API documentation or response schemas before integrating","Non-crypto users who cannot settle payments in USDC on Base"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:11.525Z"},"updatedAt":"2026-04-22T10:01:54.774Z"}}