{"id":"31a4e887-15a8-4e90-b104-01e37e983247","shortId":"YPT9GY","kind":"x402","title":"Check order status via x402 micropayment on Base network for $0.02 per request.","tagline":"Check order status via x402 micropayment on Base network for $0.02 per request.","description":"This endpoint at lowpaymentfee.com returns the status of order #146 via a POST request, gated by the x402 payment protocol. 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 utility categories — all priced at $0.02 per request and settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/orders/146/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 (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base, 6 decimals), which equals $0.02. Payment is made by including an X-PAYMENT header with the x402 payment proof. No API keys, rate limits, or subscriptions are required — each call is independently settled on-chain.\n\nDocumentation beyond the landing page is extremely sparse: the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The endpoint is confirmed live (returns HTTP 402 with a valid x402 challenge), but the actual response format after successful payment is unknown.","tags":[],"capabilities":["x402-payment","usdc-base","order-status","pay-per-request","no-api-key","micropayment"],"categories":["commerce","infrastructure"],"synonyms":["order status API","x402 endpoint","micropayment API","USDC payment API","Base network API","pay-per-call","lowpaymentfee"],"warnings":["Documentation pages (/docs, /api, /pricing, /README) all render only 'Connect wallet' with no technical content","No OpenAPI spec or request/response schema available","Endpoint is hardcoded to order ID 146 — unclear if this is a demo or a real resource","No information about what the response body looks like after successful payment","The broader platform advertises many endpoints but none have documented schemas"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/146/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/146/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 and returns a valid x402 challenge with clear pricing, but documentation is essentially nonexistent — no request/response schemas, no examples, and the endpoint is hardcoded to a single order ID. The broader platform lists many endpoints but provides no docs for any of 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'/api/v1/orders/146/status':90 '/docs':164 '/pricing':166 '/readme':168 '0.02':11,24,76,122 '000':110 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':115 '146':36 '20':109 '402':203 '6':118 'Base network API' 'USDC payment API' 'access':95 'across':63 'actual':211 'addit':179 'ai/ml':66 'analyt':65 'api':61,94,139 'avail':195 'base':8,21,85,111,117 'beyond':156 'broader':52 'call':60,148 'categori':72 'chain':154 'challeng':99,208 'check':1,14 'confirm':199 'connect':174 'data':64 'decim':119 'detail':181 'document':155,190 'dozen':55 'endpoint':28,62,89,197 'equal':121 'exact':104 'exampl':193 'extrem':161 'finance/web3':68 'format':213 'gate':41 'header':132 'http':202 'includ':127 'independ':150 'infer':67 'infrastructur':70 'key':140 'label':92 'land':158 'limit':142 'live':200 'lowpaymentfee' 'lowpaymentfee.com':30 'made':125 'maxamountrequir':107 'micropay':6,19 'micropayment' 'micropayment API' 'network':9,22,86 'no-api-key' 'offer':54 'on-chain':152 'openapi':185 'order':2,15,35 'order status API' 'order-status' 'page':159,169 'part':49 'pay':58 'pay-per-cal':57 'pay-per-call' 'pay-per-request' 'payload':194 'payment':45,101,123,131,136,216 'per':12,25,59,77 'platform':53 'post':39 'premium':93 'price':74 'prompt':176 'proof':137 'protocol':46 'rate':141 'render':171 'request':13,26,40,78 'request/response':188 'requir':146 'respons':212 'return':31,201 'schema':189 'scheme':102 'settl':80,151 'spars':162 'spec':186 'specif':88 'status':3,16,33 'subscript':144 'success':215 'technic':180 'unit':112 'unknown':218 'usdc':82,114 'usdc-base' 'util':71 'valid':206 'via':4,17,37 'wallet':175 'x':130 'x-payment':129 'x402':5,18,44,98,135,207 'x402 endpoint' 'x402-payment'","prices":[{"id":"ade787cc-e69e-4dbc-9269-bbf41f023622","listingId":"31a4e887-15a8-4e90-b104-01e37e983247","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/146/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":"2026-04-18T18:48:55.907Z"}],"sources":[{"listingId":"31a4e887-15a8-4e90-b104-01e37e983247","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/146/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:48:55.907Z","lastSeenAt":"2026-04-22T09:01:14.238Z"}],"details":{"listingId":"31a4e887-15a8-4e90-b104-01e37e983247","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/146/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 endpoint returns a valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/orders/146/status"},{"claim":"All endpoints on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/orders/146/status"}],"useCases":["Checking the status of a specific order (#146) programmatically","Demonstrating x402 payment-gated API access patterns","Agent-driven order tracking with on-chain micropayments"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need to make small on-chain payments for API access","Projects already operating on the Base L2 network with USDC"],"notFor":["Production order management systems (endpoint is hardcoded to order 146)","Users who need detailed API documentation or OpenAPI specs before integrating","High-volume use cases where per-request on-chain settlement adds latency"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:11.429Z"},"updatedAt":"2026-04-22T09:01:14.238Z"}}