{"id":"c57ca2ad-90d6-4c4c-982b-c03bb34b64aa","shortId":"H9ZChg","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 #152 via a POST request, gated behind an x402 payment challenge. The endpoint accepts USDC on the Base network at $0.02 per call (20,000 base units of USDC with 6 decimals). No API keys or rate limits are required — access is granted purely through per-request micropayment using the x402 protocol.\n\nThe broader lowpaymentfee.com platform advertises a suite of APIs spanning data & analytics, AI & machine learning (sentiment analysis, 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 with the same pay-per-use model on the Base network.\n\nThis specific endpoint (/api/v1/orders/152/status) appears to be an order-status lookup. However, documentation 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 schema, no example request/response payloads, and no description of what fields the response contains or what input the POST body expects. The endpoint is live (returns a valid 402 challenge), but its actual utility and response format remain unclear.","tags":[],"capabilities":["x402-payment","usdc-base-network","order-status-lookup","per-request-micropayment","no-api-key-required"],"categories":["commerce","data"],"synonyms":["order status API","x402 endpoint","micropayment API","pay-per-request API","Base network USDC API","order tracking"],"warnings":["No API documentation available — docs, API, pricing, and README pages all show only 'Connect wallet'","No OpenAPI or output schema provided; response format is unknown","Endpoint path is hardcoded to order 152; unclear if this generalizes to other order IDs","No example request or response payloads available anywhere in crawled material"],"endpointUrl":"https://lowpaymentfee.com/api/v1/orders/152/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/152/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 and returns a valid x402 402 challenge, confirming it exists and accepts USDC on Base. However, there is no OpenAPI schema, no documented request/response format, no examples, and the docs pages are empty beyond a wallet-connect prompt. The endpoint path is hardcoded to a single order ID (152), making its general utility unclear. Effectively a stub 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'0.02':11,24,56,131 '000':60 '152':36 '20':59 '402':214 '6':66 'Base network USDC API' 'accept':49 'access':76 'actual':218 'advertis':93 'ai':101 'analysi':105 'analyt':100 'api':69,97,165 'appear':150 'base':8,21,53,61,144 'behind':42 'bodi':205 'broader':90 'call':58 'challeng':46,215 'check':1,14 'classif':107 'connect':174 'contain':199 'convers':124 'data':99 'decim':67 'descript':193 'detail':181 'doc':164 'document':159 'embed':108 'endpoint':28,48,127,148,208 'estim':118 'exampl':188 'exchang':113 'expect':206 'extrem':161 'feed':112 'field':196 'financ':109 'format':222 'gas':117 'gate':41 'generat':125 'geocod':122 'grant':78 'howev':158 'infrastructur':120 'input':202 'key':70 'learn':103 'limit':73 'list':129 'live':210 'lookup':157 'lowpaymentfee.com':30,91 'machin':102 'micropay':6,19,84 'micropayment API' 'model':141 'network':9,22,54,145 'no-api-key-required' 'openapi':185 'order':2,15,35,155 'order status API' 'order tracking' 'order-status':154 'order-status-lookup' 'page':169 'pay':138 'pay-per-request API' 'pay-per-us':137 'payload':190 'payment':45 'per':12,25,57,82,132,139 'per-request':81 'per-request-micropayment' 'platform':92 'post':39,204 'price':111,166 'prompt':176 'protocol':88 'pure':79 'quot':116 'rate':72,114 'readm':168 'remain':223 'render':171 'request':13,26,40,83,133 'request/response':189 'requir':75 'respons':198,221 'return':31,211 'schema':186 'sentiment':104 'span':98 'spars':162 'specif':147 'status':3,16,33,156 'suit':95 'summar':106 'technic':180 'token':115 'unclear':224 'unit':62 'usdc':50,64 'usdc-base-network' 'use':85,140 'util':121,219 'valid':123,213 'via':4,17,37 'wallet':175 'web3':110 'x402':5,18,44,87 'x402 endpoint' 'x402-payment'","prices":[{"id":"c9cd0364-8502-439d-866f-cbee80cb15af","listingId":"c57ca2ad-90d6-4c4c-982b-c03bb34b64aa","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/152/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":"2026-04-18T18:48:54.099Z"}],"sources":[{"listingId":"c57ca2ad-90d6-4c4c-982b-c03bb34b64aa","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/orders/152/status","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:48:54.099Z","lastSeenAt":"2026-04-22T09:01:14.164Z"}],"details":{"listingId":"c57ca2ad-90d6-4c4c-982b-c03bb34b64aa","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/orders/152/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":"Endpoint returns a valid x402 402 challenge with USDC on Base network, maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/orders/152/status"},{"claim":"All endpoints 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":"Platform offers APIs across data & analytics, AI & ML, finance & Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/orders/152/status"}],"useCases":["Checking the status of a specific order via programmatic micropayment","Demonstrating x402 protocol integration for pay-per-call APIs","Agent-driven order tracking without API key management"],"bestFor":["Developers experimenting with x402 micropayment protocols","Agents that need stateless, keyless API access via crypto payments","Quick order status checks without subscription overhead"],"notFor":["Bulk order management or batch status queries (each call costs $0.02)","Users who need detailed API documentation or guaranteed SLAs","Production systems requiring well-documented response schemas"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:11.447Z"},"updatedAt":"2026-04-22T09:01:14.164Z"}}