{"id":"b6852635-3e4f-4347-aeb0-cfedbff0b6ca","shortId":"MmRy6F","kind":"x402","title":"Check order status via x402 micropayment on Base (USDC, $0.02/request).","tagline":"Check order status via x402 micropayment on Base (USDC, $0.02/request).","description":"This endpoint at lowpaymentfee.com returns the status of order #136 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 utilities — all priced at $0.02 per request, settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/orders/136/status` is labeled \"Premium API Access\" in the x402 challenge. The challenge advertises a maxAmountRequired of 20,000 base units of USDC (token contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is made via the x402 exact scheme — callers attach an X-PAYMENT header with a signed payment to the specified payTo address. No API keys or rate limits are required; access is instant once payment is included.\n\nDocumentation is extremely sparse. The landing page lists available endpoints and pricing, but the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no usage examples. The endpoint is confirmed live (returns HTTP 402 with a valid x402 challenge), but the actual response payload for a successful paid request is unknown.","tags":[],"capabilities":["x402-payment","usdc-base","order-status","pay-per-request","no-api-key"],"categories":["commerce","infrastructure"],"synonyms":["order status API","x402 micropayment","USDC payment API","Base network API","pay-per-call","lowpaymentfee"],"warnings":["No documentation available — /docs, /pricing, /api, /README all render only 'Connect wallet'","Endpoint path is hardcoded to order #136; unclear if other order IDs are supported or how to discover them","No OpenAPI spec or response schema provided","No request body schema documented; unknown what (if any) POST body is expected","The broader platform lists many endpoints but none have documented schemas"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/136/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/136/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, but documentation is essentially nonexistent — all doc pages show only 'Connect wallet'. The endpoint path is hardcoded to a single order ID (136), there is no OpenAPI spec, no request/response schema, and no examples. The purpose and utility of this specific endpoint are unclear beyond a 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'/api/v1/orders/136/status':84 '/docs':172 '/pricing':173 '/readme':176 '/request':11,22 '0.02':10,21,71,113 '000':101 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':108 '136':32 '20':100 '402':209 '6':117 'Base network API' 'USDC payment API' 'access':89,151 'across':59 'actual':217 'address':142 'advertis':96 'ai/ml':62 'analyt':61 'api':57,88,144 'attach':128 'avail':166 'base':8,19,79,102,110 'broader':48 'call':56 'caller':127 'challeng':42,93,95,214 'check':1,12 'confirm':205 'connect':182 'content':188 'contract':107 'data':60 'decim':118 'document':158,197 'dozen':51 'endpoint':24,58,83,167,203 'equal':112 'exact':125 'exampl':201 'extrem':160 'finance/web3':64 'gate':37 'given':114 'header':133 'http':208 'includ':157 'infer':63 'infrastructur':66 'instant':153 'key':145 'label':86 'land':163 'limit':148 'list':165 'live':206 'lowpaymentfee' 'lowpaymentfee.com':26 'made':121 'maxamountrequir':98 'micropay':6,17 'network':80 'no-api-key' 'offer':50 'openapi':192 'order':2,13,31 'order status API' 'order-status' 'page':164,177 'paid':223 'part':45 'pay':54 'pay-per-cal':53 'pay-per-call' 'pay-per-request' 'payload':219 'payment':41,119,132,137,155 'payto':141 'per':55,72 'platform':49 'post':35 'premium':87 'price':69,169 'prompt':184 'rate':147 'render':179 'request':36,73,224 'request/response':195 'requir':150 'respons':218 'return':27,207 'schema':196 'scheme':126 'settl':74 'sign':136 'spars':161 'spec':193 'specif':82 'specifi':140 'status':3,14,29 'success':222 'token':106 'unit':103 'unknown':226 'usag':200 'usdc':9,20,76,105,115 'usdc-base' 'util':67 'valid':212 'via':4,15,33,122 'wallet':183 'x':131 'x-payment':130 'x402':5,16,40,92,124,213 'x402 micropayment' 'x402-payment'","prices":[{"id":"943e5046-d594-46dc-b4f1-ee09d3063ffa","listingId":"b6852635-3e4f-4347-aeb0-cfedbff0b6ca","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/136/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":"2026-04-18T18:48:42.055Z"}],"sources":[{"listingId":"b6852635-3e4f-4347-aeb0-cfedbff0b6ca","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/136/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:48:42.055Z","lastSeenAt":"2026-04-22T11:31:46.371Z"}],"details":{"listingId":"b6852635-3e4f-4347-aeb0-cfedbff0b6ca","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/136/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","source_url":"https://lowpaymentfee.com/api/v1/orders/136/status"},{"claim":"All endpoints on the platform are priced at $0.02 per request","source_url":"https://lowpaymentfee.com"},{"claim":"No API keys, no rate limits, instant access advertised","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/orders/136/status"},{"claim":"Documentation pages (/docs, /pricing, /api, /README) render only 'Connect wallet'","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Checking the status of a specific order (#136) via programmatic API call","Demonstrating x402 payment-gated API access on Base","Integrating micropayment-based API calls into agent workflows"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing pay-per-call API access without API keys","Low-cost micropayment API consumption on Base L2"],"notFor":["Production order management systems (endpoint is hardcoded to order 136)","Users needing detailed API documentation or OpenAPI specs","Bulk or high-throughput order status queries"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:12.099Z"},"updatedAt":"2026-04-22T11:31:46.371Z"}}