{"id":"8fe746b9-64cc-4e25-ab63-f5302a6eb41a","shortId":"efEs8L","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 #190 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/190/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 (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is made via the X-PAYMENT header per the x402 protocol (version 1). No API keys or rate limits are advertised; access is instant once payment is included.\n\nThe broader platform lists endpoints for sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation — all at the same $0.02 price point. However, no OpenAPI schema, detailed documentation, or example request/response payloads are available from the crawled pages (docs, pricing, and README pages all returned only a \"Connect wallet\" prompt with no substantive content). The actual data returned by this specific order-status endpoint is unknown beyond the stated mimeType of application/json.","tags":[],"capabilities":["x402-payment","usdc-base","order-status","pay-per-request","no-api-key","micropayment"],"categories":["commerce","infrastructure"],"synonyms":["order status API","x402 micropayment API","pay-per-call API","USDC payment API","Base network API","lowpaymentfee"],"warnings":["No OpenAPI or detailed schema available — response format is unknown beyond application/json","Documentation pages (/docs, /pricing, /README) returned no substantive content","Endpoint is hardcoded to order 190; unclear if other order IDs are supported or how to discover them","The platform lists many endpoints but none have documented request/response schemas"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/190/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/190/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 (402 challenge captured) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no documentation beyond a landing page listing, no example request/response payloads, and the docs/pricing/README pages are empty. The endpoint path is hardcoded to a single order ID, making its general utility 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'/request':11,22 '0.02':10,21,71,115,180 '000':104 '0x8335':109 '1':135 '190':32 '20':103 '2913':110 '6':119 'Base network API' 'USDC payment API' 'access':89,144 'across':59 'actual':216 'advertis':143 'ai/ml':62 'analysi':158 'analyt':61 'api':57,88,137 'application/json':233 'avail':194 'base':8,19,79,105,112 'beyond':228 'broader':48,152 'call':56 'challeng':42,93 'check':1,12 'classif':161 'connect':208 'content':214 'convers':173 'crawl':197 'data':60,217 'decim':120 'detail':187 'doc':199 'document':188 'dozen':51 'embed':162 'endpoint':24,58,83,155,225 'equal':114 'estim':170 'exact':98 'exampl':190 'exchang':165 'feed':164 'finance/web3':64 'gas':169 'gate':37 'generat':175 'geocod':171 'given':116 'header':129 'howev':183 'includ':150 'infer':63 'infrastructur':66 'instant':146 'key':138 'label':86 'limit':141 'list':154 'lowpaymentfee' 'lowpaymentfee.com':26 'made':123 'maxamountrequir':101 'micropay':6,17 'micropayment' 'mimetyp':231 'network':80 'no-api-key' 'offer':50 'openapi':185 'order':2,13,31,223 'order status API' 'order-status':222 'page':198,203 'part':45 'pay':54 'pay-per-cal':53 'pay-per-call API' 'pay-per-request' 'payload':192 'payment':41,95,121,128,148 'per':55,72,130 'platform':49,153 'point':182 'post':35 'premium':87 'price':69,163,181,200 'prompt':210 'protocol':133 'quot':168 'rate':140,166 'readm':202 'request':36,73 'request/response':191 'return':27,205,218 'schema':186 'scheme':96 'sentiment':157 'settl':74 'specif':82,221 'state':230 'status':3,14,29,224 'substant':213 'summar':160 'text':159 'token':167 'unit':106 'unknown':227 'usdc':9,20,76,108,117 'usdc-base' 'util':67 'valid':172 'version':134 'via':4,15,33,124 'wallet':209 'x':127 'x-payment':126 'x402':5,16,40,92,132 'x402 micropayment API' 'x402-payment'","prices":[{"id":"de5a7489-c42d-42f9-a704-f75cc851d194","listingId":"8fe746b9-64cc-4e25-ab63-f5302a6eb41a","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/190/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":"2026-04-18T18:49:08.104Z"}],"sources":[{"listingId":"8fe746b9-64cc-4e25-ab63-f5302a6eb41a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/190/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:49:08.104Z","lastSeenAt":"2026-04-22T05:31:14.157Z"}],"details":{"listingId":"8fe746b9-64cc-4e25-ab63-f5302a6eb41a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/190/status \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"maxAmountRequired is 20000 base units of USDC on Base (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/orders/190/status"},{"claim":"Platform advertises $0.02/request with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Platform lists endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Checking the status of a specific order (#190) via a single paid API call","Demonstrating x402 protocol integration for agent-to-service micropayments","Programmatic order tracking without API key management"],"bestFor":["Developers experimenting with x402 payment-gated APIs","Agents that need to make one-off paid API calls without subscription setup","Projects requiring USDC micropayment integration on Base"],"notFor":["Bulk order-status polling across many orders (only order 190 is exposed at this endpoint)","Users who need detailed API documentation or response schemas before integrating","Applications requiring free or subscription-based access"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:10.776Z"},"updatedAt":"2026-04-22T05:31:14.157Z"}}