{"id":"73a939e5-be4f-4a01-8d61-8032b188aa53","shortId":"squFkr","kind":"x402","title":"Pay-per-call premium API access on Base network via x402 protocol at $0.02/request in USDC.","tagline":"Pay-per-call premium API access on Base network via x402 protocol at $0.02/request in USDC.","description":"This endpoint at lowpaymentfee.com provides \"Premium API Access\" via the x402 payment protocol. The specific path `/api/v1/wire/88` is one of many endpoints offered by this provider, which hosts a broad catalog of pay-per-request APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities.\n\nThe endpoint accepts POST requests and requires an X-PAYMENT header for settlement. Payment is in USDC on the Base network, with a maximum amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals). The provider advertises no API keys, no rate limits, and instant access — users pay per call with no subscriptions or commitments.\n\nWhile the landing page lists numerous endpoints (metrics, reports, sentiment analysis, summarization, classification, embeddings, price feeds, geocoding, etc.), the specific functionality behind `/api/v1/wire/88` is not documented beyond the generic label \"Premium API Access.\" No OpenAPI schema, request/response examples, or detailed documentation were found. The docs, pricing, and API pages all appear to require wallet connection and provide no additional technical detail.","tags":[],"capabilities":["x402-payment","per-request-billing","usdc-base-network","http-post","no-api-key-required"],"categories":["api-marketplace","infrastructure"],"synonyms":["pay-per-call API","x402 endpoint","USDC micropayment API","Base network API","lowpaymentfee","wire API","crypto-paid API"],"warnings":["No documentation available for the specific endpoint /api/v1/wire/88","No OpenAPI or schema describing request parameters or response format","All doc/pricing/API pages require wallet connection and show no content","The exact functionality behind 'Premium API Access' at this path is unknown"],"endpointUrl":"https://lowpaymentfee.com/api/v1/wire/88","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/wire/88","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 confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no OpenAPI schema, no request/response examples, and the specific functionality of /api/v1/wire/88 is entirely undocumented beyond a generic 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'/request':16,34 '0.02':15,33,117 '000':113 '20':112 '6':121 'Base network API' 'USDC micropayment API' 'accept':87 'access':7,25,44,134,176 'addit':202 'advertis':125 'ai':77 'amount':110 'analysi':154 'analyt':76 'api':6,24,43,73,127,175,191 'appear':194 'base':9,27,105,114 'behind':165 'beyond':170 'broad':66 'call':4,22,138 'catalog':67 'classif':156 'commit':143 'connect':198 'crypto-paid API' 'data':75 'decim':122 'detail':183,204 'doc':188 'document':169,184 'embed':157 'endpoint':38,58,86,150 'etc':161 'exampl':181 'feed':159 'financ':80 'found':186 'function':164 'generic':172 'geocod':160 'given':118 'header':96 'host':64 'http-post' 'i.e':116 'infrastructur':83 'instant':133 'key':128 'label':173 'land':146 'learn':79 'limit':131 'list':148 'lowpaymentfee' 'lowpaymentfee.com':40 'machin':78 'mani':57 'maximum':109 'metric':151 'network':10,28,106 'no-api-key-required' 'numer':149 'offer':59 'one':55 'openapi':178 'page':147,192 'path':52 'pay':2,20,70,136 'pay-per-cal':1,19 'pay-per-call API' 'pay-per-request':69 'payment':48,95,99 'per':3,21,71,137 'per-request-billing' 'post':88 'premium':5,23,42,174 'price':158,189 'protocol':13,31,49 'provid':41,62,124,200 'rate':130 'report':152 'request':72,89 'request/response':180 'requir':91,196 'schema':179 'sentiment':153 'settlement':98 'span':74 'specif':51,163 'subscript':141 'summar':155 'technic':203 'unit':115 'usdc':18,36,102,119 'usdc-base-network' 'user':135 'util':84 'via':11,29,45 'wallet':197 'web3':81 'wire API' 'x':94 'x-payment':93 'x402':12,30,47 'x402 endpoint' 'x402-payment'","prices":[{"id":"01b95014-c561-4a4a-9428-c0beeb3bfccf","listingId":"73a939e5-be4f-4a01-8d61-8032b188aa53","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/wire/88","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T19:29:08.299Z"}],"sources":[{"listingId":"73a939e5-be4f-4a01-8d61-8032b188aa53","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/wire/88","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T19:29:08.299Z","lastSeenAt":"2026-04-22T11:32:33.490Z"}],"details":{"listingId":"73a939e5-be4f-4a01-8d61-8032b188aa53","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/wire/88 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\n  -d '{}'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge requiring USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/wire/88"},{"claim":"Provider advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/wire/88"},{"claim":"maxAmountRequired is 20000 base units (USDC has 6 decimals = $0.02)","source_url":"https://lowpaymentfee.com/api/v1/wire/88"}],"useCases":["Programmatic access to premium API services without subscription or API key management","Agent-driven workflows that need instant, keyless API access settled in USDC","Micropayment-gated API calls for data, AI, or utility services"],"bestFor":["Developers wanting zero-commitment pay-per-use API access","AI agents with x402-compatible payment capabilities","Users who prefer crypto micropayments over traditional billing"],"notFor":["Users needing detailed API documentation or guaranteed SLAs","Applications requiring free or bulk-discounted access","Users without USDC on Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:30.141Z"},"updatedAt":"2026-04-22T11:32:33.490Z"}}