{"id":"b923d617-3271-4e3e-abf9-d17dd4dfa6c2","shortId":"RQZeMk","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 #76 via a POST request, gated by the x402 payment protocol. It is part of a broader platform offering data & analytics, AI/ML inference, finance/Web3, and infrastructure utility APIs — all priced at $0.02 per request, settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/orders/76/status` accepts POST requests and requires an X-PAYMENT header containing a valid x402 payment proof. The x402 challenge confirms the endpoint is live, advertising 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 0x1A2B…85F3 with a 300-second timeout.\n\nThe platform advertises no API keys, no rate limits, and instant access. Documentation pages (/docs, /pricing, /api) appear to require a wallet connection and contain no additional readable content. There is no OpenAPI schema, no detailed request/response documentation, and no examples beyond the x402 challenge itself. The endpoint path suggests it returns JSON (mimeType: application/json) with order status information, but the exact response schema is unknown.","tags":[],"capabilities":["x402-payment","usdc-base","order-status","micropayment","pay-per-request","no-api-key"],"categories":["commerce","infrastructure"],"synonyms":["order tracking","order status check","x402 API","micropayment API","Base USDC payment","pay-per-call API","lowpaymentfee"],"warnings":["Endpoint path is hardcoded to order 76 — unclear if other order IDs are supported or if this is a demo","No OpenAPI or response schema available; response format is unknown","All documentation pages (/docs, /pricing, /api, /README) require wallet connection and provide no readable content","Platform appears to be a demo or showcase site; actual data backing these APIs is unverified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/76/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/76/status","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 USDC on Base), but there is no OpenAPI schema, no request/response examples, and documentation pages are empty (wallet-gated). The endpoint is scoped to a single hardcoded order ID (76), limiting general utility. Effectively a stub 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'/api/v1/orders/76/status':76 '/docs':149 '/pricing':150 '/request':11,22 '0.02':10,21,63,117 '000':106 '0x1a2b':128 '0x8335':111 '20':105 '2913':112 '300':132 '6':121 '76':32 '85f3':129 'Base USDC payment' 'accept':77 'access':146 'addit':161 'address':127 'advertis':101,137 'ai/ml':53 'analyt':52 'api':59,139 'appear':152 'application/json':189 'base':8,19,71,107,114 'beyond':176 'broader':48 'challeng':95,179 'check':1,12 'confirm':96 'connect':157 'contain':87,159 'content':163 'data':51 'decim':122 'detail':170 'document':147,172 'endpoint':24,75,98,182 'equal':116 'exact':196 'exampl':175 'finance/web3':55 'gate':37 'given':118 'header':86 'infer':54 'inform':193 'infrastructur':57 'instant':145 'json':187 'key':140 'limit':143 'live':100 'lowpaymentfee' 'lowpaymentfee.com':26 'maxamountrequir':103 'micropay':6,17 'micropayment' 'micropayment API' 'mimetyp':188 'network':72 'no-api-key' 'offer':50 'openapi':167 'order':2,13,31,191 'order status check' 'order tracking' 'order-status' 'page':148 'part':45 'path':183 'pay-per-call API' 'pay-per-request' 'payment':41,85,91,123 'per':64 'platform':49,136 'post':35,78 'price':61 'proof':92 'protocol':42 'rate':142 'readabl':162 'request':36,65,79 'request/response':171 'requir':81,154 'respons':197 'return':27,186 'schema':168,198 'second':133 'sent':125 'settl':66 'specif':74 'status':3,14,29,192 'suggest':184 'timeout':134 'unit':108 'unknown':200 'usdc':9,20,68,110,119 'usdc-base' 'util':58 'valid':89 'via':4,15,33 'wallet':156 'x':84 'x-payment':83 'x402':5,16,40,90,94,178 'x402 API' 'x402-payment'","prices":[{"id":"21cdaed2-d1b7-48e1-964d-3c02457941c9","listingId":"b923d617-3271-4e3e-abf9-d17dd4dfa6c2","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/76/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":"2026-04-18T18:49:19.043Z"}],"sources":[{"listingId":"b923d617-3271-4e3e-abf9-d17dd4dfa6c2","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/76/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:49:19.043Z","lastSeenAt":"2026-04-22T02:31:02.006Z"}],"details":{"listingId":"b923d617-3271-4e3e-abf9-d17dd4dfa6c2","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/76/status \\\n  -H \"X-PAYMENT: <x402-payment-proof>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/orders/76/status"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/orders/76/status"}],"useCases":["Checking the status of a specific order programmatically with per-request micropayment","Integrating x402-gated order lookups into agent workflows","Demonstrating x402 protocol payment flows on Base network"],"bestFor":["Agents or services that need on-demand order status without subscription commitments","Developers experimenting with x402 micropayment protocol on Base","Low-volume, pay-as-you-go API consumption"],"notFor":["High-volume order tracking where subscription pricing would be cheaper","Users who need detailed API documentation or OpenAPI specs before integrating","Querying arbitrary order IDs (this endpoint is hardcoded to order 76)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:10.217Z"},"updatedAt":"2026-04-22T02:31:02.006Z"}}