{"id":"8c789a38-60cc-4089-9872-c15ca913fd9c","shortId":"MEMyNN","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 #180 via a POST request, gated by an x402 payment challenge. 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 and settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/orders/180/status` accepts POST requests and requires an X-PAYMENT header containing a valid x402 payment proof. The x402 challenge advertises 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.\n\nThe platform advertises no API keys, no rate limits, and instant access. However, documentation pages (docs, pricing, README) all resolve to a minimal \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The endpoint is live (returns 402 as expected), but the actual response format after successful payment is unknown.","tags":[],"capabilities":["x402-payment","usdc-base","order-status","micropayment","pay-per-request"],"categories":["commerce","infrastructure"],"synonyms":["order status API","x402 order lookup","Base USDC micropayment API","lowpaymentfee","pay-per-call API","order tracking endpoint"],"warnings":["Documentation pages (/docs, /pricing, /README) contain no usable content — only a 'Connect wallet' prompt.","No OpenAPI or schema documentation is available; response format after payment is unknown.","The endpoint path is hardcoded to order ID 180 — it is unclear whether other order IDs are supported or how to discover them.","The platform lists many other API categories (AI, finance, analytics) but this specific endpoint is an order status check with no clear relationship to those categories."],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/180/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/180/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 documentation is essentially absent — all doc/pricing/README pages show only 'Connect wallet'. No OpenAPI spec, no request/response schemas, and the endpoint path is hardcoded to a single order ID (180), making its general utility unclear. Pricing is clear ($0.02) but everything else must be 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'/request':11,22 '0.02':10,21,63,113 '000':102 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':124 '0x8335':107 '180':32 '20':101 '2913':108 '300':127 '402':180 '6':117 'Base USDC micropayment API' 'accept':78 'access':141 'actual':185 'address':123 'advertis':97,132 'ai/ml':53 'analyt':52 'api':59,134 'avail':174 'base':8,19,72,103,110 'broader':48 'challeng':42,96 'check':1,12 'connect':153 'contain':88 'data':51 'decim':118 'detail':160 'doc':145 'document':143,169 'endpoint':24,76,176 'equal':112 'exampl':172 'expect':182 'finance/web3':55 'format':187 'gate':37 'given':114 'header':87 'howev':142 'infer':54 'infrastructur':57 'instant':140 'key':135 'limit':138 'live':178 'lowpaymentfee' 'lowpaymentfee.com':26 'maxamountrequir':99 'micropay':6,17 'micropayment' 'minim':152 'network':73 'offer':50 'openapi':164 'order':2,13,31 'order status API' 'order tracking endpoint' 'order-status' 'page':144 'part':45 'pay-per-call API' 'pay-per-request' 'payload':173 'payment':41,86,92,119,190 'per':64 'platform':49,131 'post':35,79 'price':61,146 'prompt':155 'proof':93 'rate':137 'readm':147 'request':36,65,80 'request/response':167 'requir':82 'resolv':149 'respons':186 'return':27,179 'schema':168 'second':128 'sent':121 'settl':67 'spec':165 'specif':75 'status':3,14,29 'success':189 'technic':159 'timeout':129 'unit':104 'unknown':192 'usdc':9,20,69,106,115 'usdc-base' 'util':58 'valid':90 'via':4,15,33 'wallet':154 'x':85 'x-payment':84 'x402':5,16,40,91,95 'x402 order lookup' 'x402-payment'","prices":[{"id":"c6700d4c-bd77-4267-abe3-c155990c69e9","listingId":"8c789a38-60cc-4089-9872-c15ca913fd9c","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/180/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":"2026-04-18T18:48:46.882Z"}],"sources":[{"listingId":"8c789a38-60cc-4089-9872-c15ca913fd9c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/180/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:48:46.882Z","lastSeenAt":"2026-04-22T10:31:45.820Z"}],"details":{"listingId":"8c789a38-60cc-4089-9872-c15ca913fd9c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/180/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 platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"The x402 challenge specifies maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base network with a 300-second timeout.","source_url":"https://lowpaymentfee.com/api/v1/orders/180/status"},{"claim":"The 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 (#180) programmatically","Demonstrating x402 micropayment integration on Base","Agent-driven order status polling with per-request USDC payment"],"bestFor":["Developers experimenting with x402 payment protocol on Base","Agents that need to query order status and can pay per call in USDC","Low-friction API access without API key management"],"notFor":["Bulk order status queries across many order IDs (endpoint is hardcoded to order 180)","Users who need detailed API documentation or response schemas before integrating","Non-crypto payment workflows"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:11.769Z"},"updatedAt":"2026-04-22T10:31:45.820Z"}}