{"id":"8d03156c-64fc-4ec2-87c8-8ba79b25eed3","shortId":"CsW9Fv","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 #82 via a POST request, gated behind 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 x402 challenge confirms the endpoint is live and accepts exact-scheme payments to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base. The maximum amount required is 20,000 base units of USDC (6 decimals), which equals $0.02. No API keys or rate limits are advertised; access is instant once payment is included in the X-PAYMENT header.\n\nNote that this specific endpoint is scoped to a single order ID (82) and its status. The broader platform lists many other endpoints (sentiment analysis, text summarization, embeddings, price feeds, geocoding, etc.) at the same $0.02 price point, but documentation beyond the landing page is extremely thin — the /docs, /api, /pricing, and /README pages all render only a wallet-connect prompt with no substantive content. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available.","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 API","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available — request and response formats are unknown","All documentation pages (/docs, /api, /pricing, /README) render only a wallet-connect prompt with no content","This endpoint is hardcoded to order ID 82; unclear if it generalizes to other order IDs","The platform lists many other endpoints but none have documented schemas or examples"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/82/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/82/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 (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no request/response schema, no documentation beyond a landing page, and the endpoint is narrowly scoped to a single order ID. The docs/pricing/README pages are all empty wallet-connect 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'/docs':189 '/pricing':191 '/readme':193 '/request':11,22 '0.02':10,21,71,119,176 '000':110 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':97 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':101 '20':109 '6':115 '82':32,153 'Base network API' 'USDC payment API' 'accept':90 'access':128 'across':59 'address':96 'advertis':127 'ai/ml':62 'amount':106 'analysi':165 'analyt':61 'api':57,121 'avail':220 'base':8,19,79,103,111 'behind':38 'beyond':181 'broader':48,158 'call':56 'challeng':42,83 'check':1,12 'confirm':84 'connect':201 'content':206 'contract':100 'data':60 'decim':116 'document':180,215 'dozen':51 'embed':168 'endpoint':24,58,86,145,163 'equal':118 'etc':172 'exact':92 'exact-schem':91 'exampl':218 'extrem':186 'feed':170 'finance/web3':64 'gate':37 'geocod':171 'header':140 'id':152 'includ':134 'infer':63 'infrastructur':66 'instant':130 'key':122 'land':183 'limit':125 'list':160 'live':88 'lowpaymentfee' 'lowpaymentfee.com':26 'mani':161 'maximum':105 'micropay':6,17 'network':80 'no-api-key' 'note':141 'offer':50 'openapi':210 'order':2,13,31,151 'order status API' 'order-status' 'page':184,194 'part':45 'pay':54 'pay-per-cal':53 'pay-per-call API' 'pay-per-request' 'payload':219 'payment':41,94,132,139 'per':55,72 'platform':49,159 'point':178 'post':35 'price':69,169,177 'prompt':202 'rate':124 'render':196 'request':36,73 'request/response':213 'requir':107 'return':27 'schema':214 'scheme':93 'scope':147 'sentiment':164 'settl':74 'singl':150 'spec':211 'specif':144 'status':3,14,29,156 'substant':205 'summar':167 'text':166 'thin':187 'unit':112 'usdc':9,20,76,99,114 'usdc-base' 'use':98 'util':67 'via':4,15,33 'wallet':200 'wallet-connect':199 'x':138 'x-payment':137 'x402':5,16,40,82 'x402 micropayment' 'x402-payment'","prices":[{"id":"98b18c27-f4de-4617-ac8d-4de87a333174","listingId":"8d03156c-64fc-4ec2-87c8-8ba79b25eed3","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/82/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":"2026-04-18T18:49:16.587Z"}],"sources":[{"listingId":"8d03156c-64fc-4ec2-87c8-8ba79b25eed3","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/82/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:49:16.587Z","lastSeenAt":"2026-04-22T02:31:01.895Z"}],"details":{"listingId":"8d03156c-64fc-4ec2-87c8-8ba79b25eed3","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/82/status \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\"","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","source_url":"https://lowpaymentfee.com/api/v1/orders/82/status"},{"claim":"All endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/orders/82/status"},{"claim":"Documentation pages (/docs, /api, /pricing, /README) contain only a wallet-connect prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Checking the status of a specific order programmatically with per-call USDC payment","Demonstrating x402 protocol integration for micropayment-gated endpoints","Agent-driven order tracking without API key provisioning"],"bestFor":["Developers experimenting with x402 payment protocol on Base","Agents needing keyless, pay-per-call access to simple endpoints","Low-volume order status checks without subscription overhead"],"notFor":["High-volume order management systems (no bulk/batch support documented)","Users needing detailed API documentation or OpenAPI specs","Production workflows requiring well-documented request/response schemas"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:10.333Z"},"updatedAt":"2026-04-22T02:31:01.895Z"}}