{"id":"e7005917-1fd7-4e49-adbb-1817d6c5e350","shortId":"VKQk2W","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 #140 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 settled in USDC on the Base network.\n\nThe specific resource `/api/v1/orders/140/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 sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout. No API keys or rate limits are advertised; access is granted purely through the x402 payment header.\n\nThe broader platform lists endpoints for sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, geocoding, validation, and more — all at the same $0.02 price point. However, documentation beyond the landing page is essentially empty (pages return only a \"Connect wallet\" prompt), so the actual response schemas and detailed behavior of each endpoint are undocumented.","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":["Endpoint is hardcoded to order 140 — unclear if other order IDs are supported or if this is a demo","All documentation pages (/docs, /api, /pricing, /README) return only 'Connect wallet' with no actual content","No response schema or example responses are documented anywhere","No OpenAPI specification available","The broader platform lists many endpoints but none have documented behavior"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/140/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/140/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 and returns a valid x402 challenge, but the resource is narrowly scoped to a single hardcoded order ID. Documentation pages are empty (\"Connect wallet\" only), no OpenAPI spec exists, and no response schema or example responses are available. The purpose and utility of this specific endpoint are unclear beyond protocol 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'/request':11,22 '0.02':10,21,72,116,174 '000':105 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':127 '0x8335':110 '140':32 '20':104 '2913':111 '300':130 '6':120 'Base network API' 'USDC payment API' 'access':90,141 'actual':195 'address':126 'advertis':140 'ai/ml':62 'analysi':157 'analyt':61 'api':57,89,134 'base':8,19,80,106,113 'behavior':200 'beyond':179 'broader':48,151 'call':56 'challeng':42,94 'check':1,12 'classif':160 'connect':190 'data':60,65 'decim':121 'detail':199 'document':178 'dozen':51 'embed':161 'empti':185 'endpoint':24,58,154,203 'equal':115 'essenti':184 'exact':99 'exchang':164 'feed':163 'finance/web3':64 'gate':37 'geocod':166 'given':117 'grant':143 'header':149 'howev':177 'infer':63 'key':135 'label':87 'land':181 'limit':138 'list':153 'lowpaymentfee' 'lowpaymentfee.com':26 'maxamountrequir':102 'micropay':6,17 'micropayment' 'network':81 'no-api-key' 'offer':50 'order':2,13,31 'order status API' 'order-status' 'page':182,186 'part':45 'pay':54 'pay-per-cal':53 'pay-per-call API' 'pay-per-request' 'payment':41,96,122,148 'per':55,73 'platform':49,152 'point':176 'post':35 'premium':88 'price':70,162,175 'prompt':192 'pure':144 'rate':137,165 'request':36,74 'resourc':84 'respons':196 'return':27,187 'schema':197 'scheme':97 'second':131 'sent':124 'sentiment':156 'servic':68 'settl':75 'span':59 'specif':83 'status':3,14,29 'summar':159 'text':158 'timeout':132 'undocu':205 'unit':107 'usdc':9,20,77,109,118 'usdc-base' 'util':67 'valid':167 'via':4,15,33 'wallet':191 'x402':5,16,40,93,147 'x402 micropayment' 'x402-payment'","prices":[{"id":"f1ccb754-f9d3-487d-997b-5b1a2544e71d","listingId":"e7005917-1fd7-4e49-adbb-1817d6c5e350","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/140/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":"2026-04-18T18:48:49.890Z"}],"sources":[{"listingId":"e7005917-1fd7-4e49-adbb-1817d6c5e350","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/140/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:48:49.890Z","lastSeenAt":"2026-04-22T10:31:45.953Z"}],"details":{"listingId":"e7005917-1fd7-4e49-adbb-1817d6c5e350","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/140/status \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"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 network","source_url":"https://lowpaymentfee.com/api/v1/orders/140/status"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/orders/140/status"},{"claim":"All endpoints priced at $0.02 per request with no API keys, no rate limits","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 (#140) programmatically","Demonstrating x402 payment-gated API access patterns","Integrating micropayment-based API calls into agent workflows"],"bestFor":["Developers exploring x402 payment protocol integrations","Agents that need to make small per-call payments without API keys","Testing micropayment flows on Base with USDC"],"notFor":["Production order management systems (endpoint is hardcoded to order 140)","Users needing detailed API documentation or response schema guarantees","High-volume batch queries where per-request fees add up"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:11.575Z"},"updatedAt":"2026-04-22T10:31:45.953Z"}}