{"id":"0c0bc049-ed9e-4e5b-a438-46ac5d6024c9","shortId":"dBLrxR","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 #55 via a POST request, gated behind an x402 payment challenge. It is part of a broader platform (lowpaymentfee.com) that offers a variety of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request and settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/orders/55/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), which equals $0.02 given USDC's 6 decimals. No API keys or rate limits are advertised; access is granted per-call via the x402 payment header. The endpoint responds with `application/json`.\n\nDocumentation on the site is extremely thin — 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 live (returns a proper 402 challenge), but the actual functionality behind this specific order-status path and what the response payload looks like remain unclear.","tags":[],"capabilities":["x402-payment","usdc-base","order-status","pay-per-call","no-api-key","micropayment"],"categories":["commerce","infrastructure"],"synonyms":["order status API","x402 micropayment API","USDC pay-per-call","Base network API","lowpaymentfee","order tracking endpoint","402 payment required API"],"warnings":["No API documentation available — docs, pricing, and README pages all show only 'Connect wallet'","No OpenAPI or schema definition for request or response payloads","Endpoint path is specific to order 55; unclear if other order IDs are supported or how to discover them","The 'Premium API Access' description is generic and does not explain what data is returned"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/55/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/55/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 with clear pricing, but there is no OpenAPI spec, no request/response schema, and no documentation beyond a wallet-connect prompt. The endpoint path is hardcoded to a single order ID, and the actual response payload is 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'0.02':11,24,78,122 '000':112 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':117 '20':111 '402':199 '402 payment required API' '55':36 '6':126 'Base network API' 'USDC pay-per-call' 'access':97,136 'actual':203 'addit':175 'advertis':135 'ai/ml':68 'analyt':67 'api':64,96,129,161 'application/json':151 'avail':191 'base':8,21,87,113,119 'behind':42,205 'broader':52 'call':63,141 'challeng':46,101,200 'check':1,14 'connect':170 'data':66,71 'decim':127 'detail':177 'doc':160 'document':152,186 'endpoint':28,91,148,193 'equal':121 'exact':106 'exampl':189 'extrem':157 'finance/web3':70 'function':204 'gate':41 'given':123 'grant':138 'header':146 'infer':69 'infrastructur':73 'key':130 'label':94 'like':218 'limit':133 'live':195 'look':217 'lowpaymentfee' 'lowpaymentfee.com':30,54 'maxamountrequir':109 'micropay':6,19 'micropayment' 'network':9,22,88 'no-api-key' 'offer':56 'openapi':181 'order':2,15,35,209 'order status API' 'order tracking endpoint' 'order-status':208 'page':165 'part':49 'path':211 'pay':61 'pay-per-cal':60 'pay-per-call' 'payload':190,216 'payment':45,103,145 'per':12,25,62,79,140 'per-cal':139 'platform':53 'post':39 'premium':95 'price':76,162 'prompt':172 'proper':198 'rate':132 'readm':164 'remain':219 'render':167 'request':13,26,40,80 'request/response':184 'respond':149 'respons':215 'return':31,196 'schema':185 'scheme':104 'settl':82 'site':155 'span':65 'spec':182 'specif':90,207 'status':3,16,33,210 'technic':176 'thin':158 'unclear':220 'unit':114 'usdc':84,116,124 'usdc-base' 'util':74 'varieti':58 'via':4,17,37,142 'wallet':171 'x402':5,18,44,100,144 'x402 micropayment API' 'x402-payment'","prices":[{"id":"32608a79-4ae9-4d48-ae92-1cbbbc708714","listingId":"0c0bc049-ed9e-4e5b-a438-46ac5d6024c9","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/55/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":"2026-04-18T18:49:09.917Z"}],"sources":[{"listingId":"0c0bc049-ed9e-4e5b-a438-46ac5d6024c9","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/55/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:49:09.917Z","lastSeenAt":"2026-04-22T05:31:14.229Z"}],"details":{"listingId":"0c0bc049-ed9e-4e5b-a438-46ac5d6024c9","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/55/status\n# Returns 402 with x402 challenge. Include X-PAYMENT header with valid USDC payment on Base to access.","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/55/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":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/orders/55/status"},{"claim":"Docs, API, pricing, and README pages render only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Checking the status of a specific order programmatically with per-call USDC payment","Integrating pay-per-use order tracking into an agent workflow without managing API keys","Demonstrating x402 protocol payment flows on Base network"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need keyless, pay-per-call API access on Base","Low-volume order status lookups without subscription commitments"],"notFor":["High-volume order management systems needing bulk or batch status checks","Users who need detailed API documentation or guaranteed SLAs","Applications requiring order status for arbitrary order IDs (this endpoint is hardcoded to order 55)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:10.679Z"},"updatedAt":"2026-04-22T05:31:14.229Z"}}