{"id":"9d48709d-1dc2-493a-a2a9-805985de4adb","shortId":"P7EJFg","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 #149 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 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/149/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 made via the X-PAYMENT header per the x402 protocol. There are no API keys, no rate limits, and no subscription commitments — callers 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 further content. There is no OpenAPI schema, no request/response examples, and no detailed description of what the order status response contains. The endpoint path suggests it returns status information for a specific order (ID 149), but it is unclear whether the order ID is variable or hardcoded, and what fields the response includes. The platform appears to be a demonstration or early-stage x402 API marketplace.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","order-status","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 usable content","No OpenAPI or schema available — request body and response format are unknown","Endpoint path contains a hardcoded order ID (149); unclear if this is parameterizable","Platform appears to be early-stage or a demo; no SLA or support information available"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/149/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/149/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 402 challenge, confirming it is operational. However, there is no OpenAPI schema, no request/response examples, and the docs pages are empty stubs. The endpoint path is hardcoded to a single order ID with no explanation of parameterization. Effectively a stub 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'0.02':11,24,76,121 '000':110 '0x8335':115 '149':36,213 '20':109 '2913':116 '6':125 'Base network API' 'USDC payment API' 'access':95 'across':63 'ai/ml':66 'analyt':65 'api':61,94,143,165,244 'appear':234 'base':8,21,85,111,118 'broader':52 'call':60 'caller':152 'categori':72 'challeng':46,99 'check':1,14 'commit':151 'connect':174 'contain':199 'content':180 'data':64 'decim':126 'demonstr':238 'descript':192 'detail':191 'doc':164 'document':156 'dozen':55 'earli':241 'early-stag':240 'endpoint':28,62,89,201 'equal':120 'exact':104 'exampl':188 'extrem':161 'field':228 'finance/web3':68 'gate':41 'given':122 'hardcod':225 'header':135 'id':212,221 'includ':231 'infer':67 'inform':207 'infrastructur':70 'key':144 'label':92 'limit':147 'lowpaymentfee' 'lowpaymentfee.com':30 'made':129 'marketplac':245 'maxamountrequir':107 'micropay':6,19 'micropayment' 'micropayment API' 'network':9,22,86 'offer':54 'openapi':184 'order':2,15,35,196,211,220 'order status API' 'order-status' 'page':169 'part':49 'path':202 'pay':58,153 'pay-per-cal':57 'pay-per-call' 'pay-per-request' 'payment':45,101,127,134 'per':12,25,59,77,136,154 'platform':53,233 'post':39 'premium':93 'price':74,166 'prompt':176 'protocol':139 'rate':146 'readm':168 'render':171 'request':13,26,40,78,155 'request/response':187 'respons':198,230 'return':31,205 'schema':185 'scheme':102 'settl':80 'site':159 'specif':88,210 'stage':242 'status':3,16,33,197,206 'subscript':150 'suggest':203 'thin':162 'unclear':217 'unit':112 'usdc':82,114,123 'usdc-base' 'util':71 'variabl':223 'via':4,17,37,130 'wallet':175 'whether':218 'x':133 'x-payment':132 'x402':5,18,44,98,138,243 'x402 endpoint' 'x402-payment'","prices":[{"id":"45ac144d-e748-40a3-b16d-20acfe03aefe","listingId":"9d48709d-1dc2-493a-a2a9-805985de4adb","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/149/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":"2026-04-18T18:48:48.696Z"}],"sources":[{"listingId":"9d48709d-1dc2-493a-a2a9-805985de4adb","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/149/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:48:48.696Z","lastSeenAt":"2026-04-22T10:31:45.904Z"}],"details":{"listingId":"9d48709d-1dc2-493a-a2a9-805985de4adb","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/149/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":"The x402 challenge requires 20,000 base units of USDC on Base, equaling $0.02 per request","source_url":"https://lowpaymentfee.com/api/v1/orders/149/status"},{"claim":"The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/orders/149/status"},{"claim":"The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The site offers endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Querying order status with a single micropayment, no subscription required","Demonstrating x402 protocol integration for agent-to-API payments","Testing pay-per-request patterns on the Base L2 network"],"bestFor":["Developers experimenting with x402 micropayment protocols","Agents needing stateless, keyless API access via crypto payments","Low-volume or sporadic order-status lookups without subscription overhead"],"notFor":["High-volume order management systems needing bulk queries at lower per-call cost","Use cases requiring detailed API documentation or guaranteed SLAs","Applications that need to query arbitrary order IDs (unclear if endpoint supports variable IDs)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:11.69Z"},"updatedAt":"2026-04-22T10:31:45.904Z"}}