{"id":"19831ce3-912f-48c8-972b-0b2b8f466237","shortId":"3qEKhv","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 #191 via a pay-per-call x402 protocol. It is part of a broader platform offering various API categories including data & analytics, AI & machine learning, 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/191/status` accepts POST requests and returns JSON. Payment is handled via the x402 protocol: callers must include an X-PAYMENT header with a valid payment proof. The cost per call is 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. No API keys, rate limits, or subscriptions are required — each request is independently paid for on-chain.\n\nThe platform advertises a wide range of endpoints (sentiment analysis, text summarization, embeddings, price feeds, geocoding, etc.), all at the same $0.02 price point. However, documentation beyond the landing page is extremely sparse — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no examples available. The actual data returned by this order-status endpoint is unknown beyond the fact that it serves application/json.","tags":[],"capabilities":["x402-payment","order-status","usdc-base","pay-per-call","no-api-key","json-response"],"categories":["commerce","infrastructure"],"synonyms":["order tracking","order status check","x402 API","micropayment API","pay-per-request","USDC payment endpoint","Base network API"],"warnings":["Documentation pages (docs, pricing, API, README) all render only 'Connect wallet' with no technical content","Endpoint path is hardcoded to order 191 — unclear if this is a demo or a real resource","No OpenAPI spec or request/response schema available","No example responses documented; actual returned data is unknown","The broader platform lists many endpoints (AI, finance, utils) but none have documented schemas"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/191/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/191/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 (returns a valid 402 x402 challenge), but documentation is nearly nonexistent — docs/pricing/API pages all show only 'Connect wallet'. The endpoint path is hardcoded to a single order ID (191), there is no OpenAPI spec, no request/response schema, and no examples. The purpose and utility of this specific endpoint are unclear beyond a generic 'Premium API Access' 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'0.02':11,24,70,128,173 '000':117 '0x8335':122 '191':36 '20':116 '2913':123 '6':132 'Base network API' 'USDC payment endpoint' 'accept':85 'actual':218 'advertis':154 'ai':59 'analysi':161 'analyt':58 'api':54,135,187 'application/json':235 'avail':216 'base':8,21,79,118,125 'beyond':178,229 'broader':50 'call':42,114 'caller':98 'categori':55 'chain':151 'check':1,14 'connect':196 'cost':112 'data':57,219 'decim':133 'detail':203 'doc':186 'document':177,212 'embed':164 'endpoint':28,83,159,226 'equal':127 'etc':168 'exampl':215 'extrem':183 'fact':231 'feed':166 'financ':62 'geocod':167 'given':129 'handl':93 'header':105 'howev':176 'includ':56,100 'independ':146 'infrastructur':65 'json':90 'json-response' 'key':136 'land':180 'learn':61 'limit':138 'lowpaymentfee.com':30 'machin':60 'micropay':6,19 'micropayment API' 'must':99 'network':9,22,80 'no-api-key' 'offer':52 'on-chain':149 'openapi':207 'order':2,15,35,224 'order status check' 'order tracking' 'order-status':223 'page':181,191 'paid':147 'part':47 'pay':40 'pay-per-cal':39 'pay-per-call' 'pay-per-request' 'payment':91,104,109 'per':12,25,41,71,113 'platform':51,153 'point':175 'post':86 'price':68,165,174,188 'prompt':198 'proof':110 'protocol':44,97 'rang':157 'rate':137 'readm':190 'render':193 'request':13,26,72,87,144 'request/response':210 'requir':142 'return':31,89,220 'schema':211 'sentiment':160 'serv':234 'settl':74 'spars':184 'spec':208 'specif':82 'status':3,16,33,225 'subscript':140 'summar':163 'technic':202 'text':162 'unit':119 'unknown':228 'usdc':76,121,130 'usdc-base' 'util':66 'valid':108 'various':53 'via':4,17,37,94 'wallet':197 'web3':63 'wide':156 'x':103 'x-payment':102 'x402':5,18,43,96 'x402 API' 'x402-payment'","prices":[{"id":"c57b9d32-d73b-4282-a6b1-b1dc5298bb9c","listingId":"19831ce3-912f-48c8-972b-0b2b8f466237","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/191/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":"2026-04-18T18:49:03.828Z"}],"sources":[{"listingId":"19831ce3-912f-48c8-972b-0b2b8f466237","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/191/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:49:03.828Z","lastSeenAt":"2026-04-22T07:31:18.233Z"}],"details":{"listingId":"19831ce3-912f-48c8-972b-0b2b8f466237","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/191/status \\\n  -H \"X-PAYMENT: <x402-payment-proof>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/orders/191/status"},{"claim":"All endpoints 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 platform offers endpoints across Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, API, pricing, and README pages render only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Checking the status of a specific order (#191) via automated agent","Demonstrating x402 pay-per-call integration on Base network","Building payment-gated API workflows without API key management"],"bestFor":["Developers experimenting with x402 protocol payments","Agents that need to make one-off paid API calls without subscriptions","Use cases requiring no-signup, no-rate-limit API access"],"notFor":["Production order management systems (endpoint is hardcoded to order 191)","Users needing detailed API documentation or OpenAPI specs","High-volume batch order status queries"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:11.001Z"},"updatedAt":"2026-04-22T07:31:18.233Z"}}