{"id":"3c0e3676-0c1e-4d2d-bcb1-aca5818c17da","shortId":"UBNcdf","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 #15 via an x402-gated POST request. It is part of a broader platform offering multiple API categories — data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per call and settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/orders/15/status` accepts POST requests and returns JSON. Payment is handled via the x402 protocol: callers include an X-PAYMENT header with a signed payment of up to 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals) to the payee address `0x1A2B...85F3`. The payment scheme is \"exact\" with a maximum timeout of 300 seconds. No API keys or rate limits are advertised; access is purely pay-per-request.\n\nDocumentation on the site is extremely thin — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI spec, no request/response schema documentation, and no examples beyond the landing page listing. The endpoint is confirmed live (returns a proper 402 challenge), but the actual response payload structure for a successful paid request is unknown.","tags":[],"capabilities":["x402-payment","order-status","usdc-base","pay-per-request","json-api","no-api-key"],"categories":["commerce","infrastructure"],"synonyms":["order tracking","order status check","x402 API","micropayment API","Base USDC API","pay-per-call API","lowpaymentfee"],"warnings":["No OpenAPI spec or schema documentation available","Docs, API, pricing, and README pages all render only 'Connect wallet' with no content","Endpoint is hardcoded to order ID 15 — unclear if other order IDs are supported or how to discover them","No response schema documented; actual payload structure is unknown","Platform appears to be a demo or early-stage project with placeholder endpoints"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/15/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/15/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 nonexistent — no OpenAPI spec, no request/response schemas, no examples. The endpoint path is hardcoded to a single order ID (15), and the broader platform docs pages are empty. Pricing and payment details are clear from the challenge, but functional utility is very 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'0.02':11,24,68,116 '000':111 '0x1a2b':127 '15':36 '20':110 '300':139 '402':206 '6':121 '85f3':128 'Base USDC API' 'accept':83 'access':149 'actual':210 'address':126 'advertis':148 'ai':57 'analyt':56 'api':53,142,165 'base':8,21,77,112 'beyond':193 'broader':49 'call':70 'caller':96 'categori':54 'challeng':207 'check':1,14 'confirm':201 'connect':174 'content':180 'data':55 'decim':122 'doc':164 'document':156,189 'endpoint':28,81,199 'exact':133 'exampl':192 'extrem':161 'financ':60 'gate':41 'handl':91 'header':102 'includ':97 'infrastructur':63 'json':88 'json-api' 'key':143 'land':195 'learn':59 'limit':146 'list':197 'live':202 'lowpaymentfee' 'lowpaymentfee.com':30 'machin':58 'maximum':136 'micropay':6,19 'micropayment API' 'multipl':52 'network':9,22,78 'no-api-key' 'offer':51 'openapi':184 'order':2,15,35 'order status check' 'order tracking' 'order-status' 'page':169,196 'paid':217 'part':46 'pay':153 'pay-per-call API' 'pay-per-request':152 'paye':125 'payload':212 'payment':89,101,106,130 'per':12,25,69,154 'platform':50 'post':42,84 'price':66,166 'prompt':176 'proper':205 'protocol':95 'pure':151 'rate':145 'readm':168 'render':171 'request':13,26,43,85,155,218 'request/response':187 'respons':211 'return':31,87,203 'schema':188 'scheme':131 'second':140 'settl':72 'sign':105 'sinc':118 'site':159 'spec':185 'specif':80 'status':3,16,33 'structur':213 'substant':179 'success':216 'thin':162 'timeout':137 'unit':113 'unknown':220 'usd':117 'usdc':74,115,119 'usdc-base' 'use':120 'util':64 'via':4,17,37,92 'wallet':175 'web3':61 'x':100 'x-payment':99 'x402':5,18,40,94 'x402 API' 'x402-gated':39 'x402-payment'","prices":[{"id":"db52aea2-edee-4e74-9469-071c2335100b","listingId":"3c0e3676-0c1e-4d2d-bcb1-aca5818c17da","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/15/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":"2026-04-18T18:48:49.289Z"}],"sources":[{"listingId":"3c0e3676-0c1e-4d2d-bcb1-aca5818c17da","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/15/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:48:49.289Z","lastSeenAt":"2026-04-22T10:01:54.657Z"}],"details":{"listingId":"3c0e3676-0c1e-4d2d-bcb1-aca5818c17da","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/15/status \\\n  -H \"X-PAYMENT: <x402-signed-payment-header>\" \\\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 402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/orders/15/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":"The platform offers APIs across Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/orders/15/status"}],"useCases":["Checking the status of a specific order programmatically","Demonstrating x402 micropayment integration on Base","Agent-driven order tracking without API key management"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need keyless, pay-per-call API access","Quick order status lookups settled in USDC on Base"],"notFor":["Bulk order management or querying arbitrary order IDs (endpoint is hardcoded to order 15)","Users who need detailed API documentation or OpenAPI specs before integrating","Anyone without USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:11.69Z"},"updatedAt":"2026-04-22T10:01:54.657Z"}}