{"id":"12430c80-5f42-4ef0-b10e-098d7392dc08","shortId":"6Fzukg","kind":"x402","title":"Check order status via x402 micropayment on Base for $0.02 per request.","tagline":"Check order status via x402 micropayment on Base for $0.02 per request.","description":"This endpoint at lowpaymentfee.com returns the status of order #31 via a POST request, gated by the x402 payment protocol. It is part of a broader platform that offers a variety of API categories — data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per call and settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/orders/31/status` accepts POST requests and requires an X-PAYMENT header containing a valid x402 payment proof. The maximum amount required is 20,000 base units of USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base), which equals $0.02 given USDC's 6 decimals. The payment timeout is 300 seconds. No API keys or rate limits are advertised; access is entirely pay-per-request.\n\nDocumentation on the site is extremely sparse — the docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what the order status response actually contains. The endpoint appears live (returns a proper 402 challenge), but the lack of documentation makes it difficult to know what payload to send or what response to expect beyond the stated MIME type of application/json.","tags":[],"capabilities":["x402-payment","usdc-base","order-status","micropayment","pay-per-request","no-api-key"],"categories":["commerce","infrastructure"],"synonyms":["order tracking","order status check","x402 API","micropayment API","Base USDC payment","pay-per-call API"],"warnings":["No API documentation available — docs, pricing, API, and README pages all render only 'Connect wallet'","No OpenAPI or output schema provided beyond MIME type application/json","Endpoint is hardcoded to order ID 31; unclear if other order IDs are supported at different paths","No request body schema documented; unknown what POST payload is expected","The broader platform advertises many API categories but none have documented schemas"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/31/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/31/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 — no OpenAPI spec, no request/response examples, and all doc pages show only 'Connect wallet'. The endpoint path is hardcoded to a single order ID (31), making its general utility unclear. This is effectively a stub 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'0.02':10,22,72,119 '000':109 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':114 '20':108 '300':129 '31':34 '402':197 '6':123 'Base USDC payment' 'accept':87 'access':139 'actual':188 'advertis':138 'ai':61 'amount':105 'analyt':60 'api':57,132,156 'appear':192 'application/json':224 'base':8,20,81,110,116 'beyond':218 'broader':50 'call':74 'categori':58 'challeng':198 'check':1,13 'connect':164 'contain':97,189 'content':170 'data':59 'decim':124 'descript':181 'difficult':206 'doc':154 'document':146,203 'endpoint':26,85,191 'entir':141 'equal':118 'exampl':178 'expect':217 'extrem':151 'financ':64 'gate':39 'given':120 'header':96 'infrastructur':67 'key':133 'know':208 'lack':201 'learn':63 'limit':136 'live':193 'lowpaymentfee.com':28 'machin':62 'make':204 'maximum':104 'micropay':6,18 'micropayment' 'micropayment API' 'mime':221 'network':82 'no-api-key' 'offer':53 'openapi':174 'order':2,14,33,185 'order status check' 'order tracking' 'order-status' 'page':159 'part':47 'pay':143 'pay-per-call API' 'pay-per-request':142 'payload':210 'payment':43,95,101,126 'per':11,23,73,144 'platform':51 'post':37,88 'price':70,155 'prompt':166 'proof':102 'proper':196 'protocol':44 'rate':135 'readm':158 'render':161 'request':12,24,38,89,145 'request/response':177 'requir':91,106 'respons':187,215 'return':29,194 'schema':175 'second':130 'send':212 'settl':76 'site':149 'spars':152 'specif':84 'state':220 'status':3,15,31,186 'substant':169 'timeout':127 'type':222 'unit':111 'usdc':78,113,121 'usdc-base' 'util':68 'valid':99 'varieti':55 'via':4,16,35 'wallet':165 'web3':65 'x':94 'x-payment':93 'x402':5,17,42,100 'x402 API' 'x402-payment'","prices":[{"id":"3e80a501-9491-4c75-a63d-18e8956feaa1","listingId":"12430c80-5f42-4ef0-b10e-098d7392dc08","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/31/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":"2026-04-18T18:49:05.666Z"}],"sources":[{"listingId":"12430c80-5f42-4ef0-b10e-098d7392dc08","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/31/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:49:05.666Z","lastSeenAt":"2026-04-22T05:31:14.069Z"}],"details":{"listingId":"12430c80-5f42-4ef0-b10e-098d7392dc08","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/31/status \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-proof>\"","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/31/status"},{"claim":"All APIs on the platform 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":"The USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/orders/31/status"},{"claim":"Docs, pricing, API, and README pages render only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Checking the status of a specific order (#31) programmatically","Demonstrating x402 micropayment integration on Base","Agent-driven order tracking with per-request USDC payment"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need to check order status without API key management","Low-volume, pay-as-you-go order status lookups"],"notFor":["High-volume order management systems (no bulk/batch support documented)","Users who need detailed API documentation or response schema guarantees","General-purpose order tracking across multiple order IDs (endpoint is hardcoded to order 31)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:10.867Z"},"updatedAt":"2026-04-22T05:31:14.069Z"}}