{"id":"57f2e9f2-58a1-49f0-8582-969fd423d84b","shortId":"zmcSma","kind":"x402","title":"x402-gated order status endpoint on Base, pay $0.02 per request in USDC.","tagline":"x402-gated order status endpoint on Base, pay $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides order status lookups via the x402 payment protocol. The specific resource `/api/v1/orders/99/status` is a POST endpoint that returns JSON and costs $0.02 per request (20,000 base units of USDC on the Base network, where USDC has 6 decimals). Payment is made inline via the X-PAYMENT header with no API keys, accounts, or rate limits required.\n\nThe broader lowpaymentfee.com platform advertises a suite of x402-gated APIs spanning data & analytics (metrics, reports, data export, insights), AI & machine learning (sentiment analysis, text summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at $0.02 per request and settle in USDC on the Base L2 network.\n\nDocumentation is extremely sparse — 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 description of what the order status endpoint actually returns or what input it expects beyond being a POST request. The endpoint is live and returns a valid x402 challenge, but the lack of documentation makes it difficult to use without experimentation.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","order-status","pay-per-request","no-api-key","json-response"],"categories":["commerce","infrastructure"],"synonyms":["order tracking","order status API","x402 API","pay-per-call API","USDC micropayment API","lowpaymentfee"],"warnings":["Documentation pages (docs, API, pricing, README) all render only 'Connect wallet' with no usable content.","No OpenAPI or request/response schema available — input format and response structure are unknown.","The endpoint path contains a hardcoded order ID '99'; it is unclear whether this is parameterized or a demo resource.","The platform lists many API categories (AI, finance, analytics, etc.) but provides zero documentation for any of them — actual functionality is unverifiable."],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/99/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/99/status","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge, but documentation is essentially nonexistent — all doc pages show only 'Connect wallet'. There is no OpenAPI schema, no request/response examples, and the purpose of the specific '/orders/99/status' resource is unclear (the '99' appears hardcoded). The broader platform lists many endpoints but provides no detail on any of 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'0.02':10,24,55,143 '000':59 '20':58 '6':71 'USDC micropayment API' 'account':87 'actual':194 'advertis':96 'ai':112 'analysi':116 'analyt':106 'api':85,103,161 'base':8,22,60,66,152 'base-network' 'beyond':201 'broader':93 'challeng':215 'classif':119 'connect':170 'content':176 'convers':136 'cost':54 'data':105,109 'decim':72 'descript':187 'difficult':223 'doc':160 'document':155,220 'embed':120 'endpoint':6,20,30,49,139,193,207 'estim':130 'exampl':184 'exchang':125 'expect':200 'experiment':227 'export':110 'extrem':157 'feed':124 'financ':121 'gas':129 'gate':3,17,102 'generat':137 'geocod':134 'header':82 'infrastructur':132 'inlin':76 'input':198 'insight':111 'json':52 'json-response' 'key':86 'l2':153 'lack':218 'learn':114 'limit':90 'list':141 'live':209 'lookup':36 'lowpaymentfee' 'lowpaymentfee.com':32,94 'machin':113 'made':75 'make':221 'metric':107 'network':67,154 'no-api-key' 'openapi':180 'order':4,18,34,191 'order status API' 'order tracking' 'order-status' 'page':165 'pay':9,23 'pay-per-call API' 'pay-per-request' 'payment':40,73,81 'per':11,25,56,144 'platform':95 'post':48,204 'price':123,162 'prompt':172 'protocol':41 'provid':33 'quot':128 'rate':89,126 'readm':164 'render':167 'report':108 'request':12,26,57,145,205 'request/response':183 'requir':91 'resourc':44 'return':51,195,211 'schema':181 'sentiment':115 'settl':147 'span':104 'spars':158 'specif':43 'status':5,19,35,192 'suit':98 'summar':118 'text':117 'token':127 'unit':61 'usdc':14,28,63,69,149 'usdc-settlement' 'use':225 'util':133 'valid':135,213 'via':37,77 'wallet':171 'web3':122 'without':226 'x':80 'x-payment':79 'x402':2,16,39,101,214 'x402 API' 'x402-gated':1,15,100 'x402-payment'","prices":[{"id":"abb91977-cf55-46e0-b40f-5e941af94a6b","listingId":"57f2e9f2-58a1-49f0-8582-969fd423d84b","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/99/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":"2026-04-18T18:49:28.133Z"}],"sources":[{"listingId":"57f2e9f2-58a1-49f0-8582-969fd423d84b","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/99/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:49:28.133Z","lastSeenAt":"2026-04-22T02:31:02.370Z"}],"details":{"listingId":"57f2e9f2-58a1-49f0-8582-969fd423d84b","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/99/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 valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/orders/99/status"},{"claim":"All endpoints are listed at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The platform advertises APIs across data & analytics, AI & ML, finance & Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation, API, pricing, and README pages render only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Checking the status of an order by ID via a single paid API call","Integrating order status lookups into an agent workflow without managing API keys","Demonstrating x402 payment protocol integration for per-request billing"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need stateless, pay-per-call order lookups","Projects that want to avoid API key management and subscriptions"],"notFor":["Production order management systems (no documentation on request/response schema)","High-volume order tracking (no bulk or batch endpoint documented)","Users without USDC on Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:09.777Z"},"updatedAt":"2026-04-22T02:31:02.370Z"}}