{"id":"6ec4b4f2-3736-4759-b378-bb922f778fb9","shortId":"Fme4GV","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 #178 via a POST request, gated by an x402 payment challenge. It is part of a broader platform that offers 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 and settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/orders/178/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 sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout. No API keys or rate limits are advertised; access is granted purely through the x402 payment header.\n\nThe broader platform also 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 responses were found in the crawl. The docs, API, pricing, and README pages all returned only a \"Connect wallet\" prompt with no substantive content.","tags":[],"capabilities":["x402-payment","order-status","usdc-base","pay-per-call","no-api-key","micropayment"],"categories":["commerce","infrastructure"],"synonyms":["order status API","x402 order lookup","pay-per-request API","Base USDC API","lowpaymentfee","micropayment API","order tracking"],"warnings":["Endpoint is hardcoded to order #178 — unclear if other order IDs are supported or if this is a demo","No OpenAPI schema or response schema available; response format is unknown","All documentation pages (docs, API, pricing, README) returned only 'Connect wallet' with no content","The broader platform advertises many endpoints but none have documented schemas or examples"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/178/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/178/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. However, there is no OpenAPI schema, no documentation, no example responses, and the endpoint is hardcoded to a single order ID (178). The crawled docs/pricing/API pages were all empty beyond a wallet connect 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'0.02':11,24,76,121,185 '000':110 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':132 '0x8335':115 '178':36 '20':109 '2913':116 '300':135 '6':125 'Base USDC API' 'access':95,146 'across':64 'address':131 'advertis':145 'ai/ml':67 'also':158 'analysi':163 'analyt':66 'api':62,94,139,204 'base':8,21,85,111,118 'broader':52,156 'call':61 'challeng':46,99 'check':1,14 'classif':166 'connect':213 'content':219 'convers':178 'crawl':201 'data':65 'decim':126 'detail':192 'doc':203 'document':193 'dozen':56 'embed':167 'endpoint':28,63,89,160 'equal':120 'estim':175 'exact':104 'exampl':195 'exchang':170 'feed':169 'finance/web3':69 'found':198 'gas':174 'gate':41 'generat':180 'geocod':176 'given':122 'grant':148 'header':154 'howev':188 'infer':68 'infrastructur':71 'key':140 'label':92 'limit':143 'list':159 'lowpaymentfee' 'lowpaymentfee.com':30 'maxamountrequir':107 'micropay':6,19 'micropayment' 'micropayment API' 'network':9,22,86 'no-api-key' 'offer':55 'openapi':190 'order':2,15,35 'order status API' 'order tracking' 'order-status' 'page':208 'part':49 'pay':59 'pay-per-cal':58 'pay-per-call' 'pay-per-request API' 'payment':45,101,127,153 'per':12,25,60,77 'platform':53,157 'point':187 'post':39 'premium':93 'price':74,168,186,205 'prompt':215 'pure':149 'quot':173 'rate':142,171 'readm':207 'request':13,26,40,78 'respons':196 'return':31,210 'schema':191 'scheme':102 'second':136 'sent':129 'sentiment':162 'settl':80 'specif':88 'status':3,16,33 'substant':218 'summar':165 'text':164 'timeout':137 'token':172 'unit':112 'usdc':82,114,123 'usdc-base' 'util':72 'valid':177 'via':4,17,37 'wallet':214 'x402':5,18,44,98,152 'x402 order lookup' 'x402-payment'","prices":[{"id":"d932c6db-267f-4607-9fbd-f76fca6885ed","listingId":"6ec4b4f2-3736-4759-b378-bb922f778fb9","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/178/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":"2026-04-18T18:48:47.490Z"}],"sources":[{"listingId":"6ec4b4f2-3736-4759-b378-bb922f778fb9","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/178/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:48:47.490Z","lastSeenAt":"2026-04-22T10:01:54.610Z"}],"details":{"listingId":"6ec4b4f2-3736-4759-b378-bb922f778fb9","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/178/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 x402 challenge requires 20,000 base units of USDC on Base, equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/orders/178/status"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/orders/178/status"},{"claim":"Platform advertises $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"Platform lists endpoints for analytics, AI/ML, finance/Web3, and infrastructure utilities","source_url":"https://lowpaymentfee.com"}],"useCases":["Checking the status of a specific order (#178) via automated agent","Demonstrating x402 micropayment integration on Base network","Building pay-per-call workflows without API key management"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need keyless, pay-per-call API access","Micropayment-gated order status lookups"],"notFor":["Bulk order management or querying arbitrary order IDs (endpoint is hardcoded to order 178)","Users who need detailed API documentation or response schemas before integrating","Production systems requiring guaranteed SLAs or support"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:11.69Z"},"updatedAt":"2026-04-22T10:01:54.610Z"}}