{"id":"2431dbc6-4561-4d94-8682-746f225e5afc","shortId":"bbMKfJ","kind":"x402","title":"Check order status via x402 micropayment on Base for $0.02 per request.","tagline":"Check order status via x402 micropayment on Base for $0.02 per request.","description":"This endpoint at lowpaymentfee.com returns the status of order #111 via a POST request, gated by the x402 payment protocol. It is part of a broader platform that offers dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and utility services — all priced at $0.02 per request and settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/orders/111/status` is labeled \"Premium API Access\" in the x402 challenge. The challenge advertises a maxAmountRequired of 20,000 base units of USDC (the asset at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base, which has 6 decimals), equating to $0.02 per call. Payment is made via the x402 \"exact\" scheme: callers attach an X-PAYMENT header with a signed payment to the payTo address. No API keys, rate limits, or subscriptions are required — each request is individually settled on-chain.\n\nDocumentation on the site is extremely sparse. The docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no additional content. There is no OpenAPI spec, no request/response schema, and no explanation of what the order status response actually contains. The endpoint path suggests it returns status information for a specific order (ID 111), but whether this is a demo/sample order or a parameterized route is unclear. The broader platform lists many other endpoints (analytics, AI, finance, utilities) at the same $0.02 price point, but none have documented schemas either.","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":["No API documentation available — docs, pricing, and README pages all show only 'Connect wallet'","No request or response schema provided; unknown what the endpoint actually returns","Endpoint path is hardcoded to order ID 111 — unclear if this is parameterizable or a demo","No OpenAPI or ai-plugin manifest discovered"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/111/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/111/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 (returns a valid 402 x402 challenge) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and the purpose of this specific endpoint (order 111 status) is ambiguous. Effectively a stub 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'0.02':10,22,74,122,250 '000':105 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':113 '111':34,222 '20':104 '6':118 'Base network API' 'USDC payment API' 'access':93 'actual':207 'addit':188 'address':147 'advertis':100 'ai':244 'ai/ml':64 'analyt':63,243 'api':60,92,149,174 'asset':111 'attach':134 'base':8,20,83,106,115 'broader':50,237 'call':59,124 'caller':133 'chain':164 'challeng':97,99 'check':1,13 'connect':183 'contain':208 'content':189 'data':62,67 'decim':119 'demo/sample':228 'doc':173 'document':165,256 'dozen':54 'either':258 'endpoint':26,87,210,242 'equat':120 'exact':131 'explan':200 'extrem':170 'financ':245 'finance/web3':66 'gate':39 'header':139 'id':221 'individu':160 'infer':65 'inform':216 'key':150 'label':90 'limit':152 'list':239 'lowpaymentfee' 'lowpaymentfee.com':28 'made':127 'mani':240 'maxamountrequir':102 'micropay':6,18 'micropayment' 'micropayment API' 'network':84 'none':254 'offer':53 'on-chain':162 'openapi':193 'order':2,14,33,204,220,229 'order status API' 'order-status' 'page':178 'parameter':232 'part':47 'path':211 'pay':57 'pay-per-cal':56 'pay-per-call' 'pay-per-request' 'payment':43,125,138,143 'payto':146 'per':11,23,58,75,123 'platform':51,238 'point':252 'post':37 'premium':91 'price':72,175,251 'prompt':185 'protocol':44 'rate':151 'readm':177 'render':180 'request':12,24,38,76,158 'request/response':196 'requir':156 'respons':206 'return':29,214 'rout':233 'schema':197,257 'scheme':132 'servic':70 'settl':78,161 'sign':142 'site':168 'span':61 'spars':171 'spec':194 'specif':86,219 'status':3,15,31,205,215 'subscript':154 'suggest':212 'unclear':235 'unit':107 'usdc':80,109 'usdc-base' 'util':69,246 'via':4,16,35,128 'wallet':184 'whether':224 'x':137 'x-payment':136 'x402':5,17,42,96,130 'x402 endpoint' 'x402-payment'","prices":[{"id":"8fd6f589-47ac-4364-88e4-b505140e2907","listingId":"2431dbc6-4561-4d94-8682-746f225e5afc","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/111/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":"2026-04-18T18:48:33.054Z"}],"sources":[{"listingId":"2431dbc6-4561-4d94-8682-746f225e5afc","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/111/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:48:33.054Z","lastSeenAt":"2026-04-22T15:31:32.132Z"}],"details":{"listingId":"2431dbc6-4561-4d94-8682-746f225e5afc","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/111/status \\\n  -H \"X-PAYMENT: <x402-signed-payment>\" \\\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 advertises maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/orders/111/status"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base (6 decimals), so 20000 base units = $0.02","source_url":"https://lowpaymentfee.com/api/v1/orders/111/status"},{"claim":"Platform lists APIs across data/analytics, AI/ML, finance/Web3, and infrastructure categories all at $0.02 per request","source_url":"https://lowpaymentfee.com"},{"claim":"Platform advertises no API keys, no rate limits, instant access, Base network","source_url":"https://lowpaymentfee.com"}],"useCases":["Checking the status of an order via a single paid API call","Demonstrating x402 micropayment integration on Base","Agent-driven order tracking with per-request USDC settlement"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need to make one-off paid API calls without API keys","Testing micropayment flows on Base network"],"notFor":["Production order management systems (no documented schema or SLA)","Users who need detailed API documentation before integrating","High-volume order tracking where per-request fees add up"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:12.407Z"},"updatedAt":"2026-04-22T15:31:32.132Z"}}