{"id":"0b66648b-061c-4a24-ac6f-02bfe8abf928","shortId":"B6YMx5","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/60` is one of many endpoints offered by this provider, which hosts a broad catalog of APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints are priced at $0.02 per request, payable in USDC on the Base network with no API keys, no rate limits, and no commitments required.\n\nThe x402 challenge confirms the endpoint is live, accepting POST requests and settling payments in USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base. The maxAmountRequired is 20000 base units, which equals $0.02 given USDC's 6 decimals. The payment timeout is 300 seconds. The endpoint returns application/json responses.\n\nNote that while the provider's landing page lists many categorized endpoints (analytics, AI, finance, utilities), the specific functionality of `/api/v1/wire/60` is not documented beyond the generic label \"Premium API Access.\" No OpenAPI schema, request/response examples, or detailed documentation were found in the crawl. The docs, API, pricing, and README pages all rendered only a \"Connect wallet\" prompt with no additional content.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key","json-response"],"categories":["api-gateway","infrastructure"],"synonyms":["pay-per-call API","x402 endpoint","USDC micropayment API","Base network API","lowpaymentfee","wire API","premium access endpoint"],"warnings":["The specific functionality of /api/v1/wire/60 is undocumented — 'Premium API Access' is a generic label","No OpenAPI schema, request examples, or response examples available","All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no useful content","The provider lists many endpoints but none appear individually documented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/wire/60","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/60","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live via 402 challenge with clear pricing ($0.02 USDC on Base), but there is no documentation of what /api/v1/wire/60 actually does, no request/response schema, and no examples. The provider's docs pages are empty beyond a wallet connect 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'/request':16,34 '0.02':15,33,86,135 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':124 '20000':130 '300':145 '6':139 'Base network API' 'USDC micropayment API' 'accept':115 'access':7,25,44,182 'addit':212 'ai':73,165 'analyt':72,164 'api':6,24,43,69,98,181,198 'application/json':150 'base':9,27,94,126,131 'base-network' 'beyond':176 'broad':66 'call':4,22 'catalog':67 'categor':162 'challeng':109 'commit':105 'confirm':110 'connect':207 'content':213 'contract':123 'crawl':195 'data':71 'decim':140 'detail':189 'doc':197 'document':175,190 'endpoint':38,58,82,112,148,163 'equal':134 'exampl':187 'financ':76,166 'found':192 'function':170 'generic':178 'given':136 'host':64 'infrastructur':79 'json-response' 'key':99 'label':179 'land':158 'learn':75 'limit':102 'list':160 'live':114 'lowpaymentfee' 'lowpaymentfee.com':40 'machin':74 'mani':57,161 'maxamountrequir':128 'network':10,28,95 'no-api-key' 'note':152 'offer':59 'one':55 'openapi':184 'page':159,202 'path':52 'pay':2,20 'pay-per-cal':1,19 'pay-per-call API' 'pay-per-request' 'payabl':89 'payment':48,120,142 'per':3,21,87 'post':116 'premium':5,23,42,180 'premium access endpoint' 'price':84,199 'prompt':209 'protocol':13,31,49 'provid':41,62,156 'rate':101 'readm':201 'render':204 'request':88,117 'request/response':186 'requir':106 'respons':151 'return':149 'schema':185 'second':146 'settl':119 'span':70 'specif':51,169 'timeout':143 'unit':132 'usdc':18,36,91,122,137 'usdc-settlement' 'util':80,167 'via':11,29,45 'wallet':208 'web3':77 'wire API' 'x402':12,30,47,108 'x402 endpoint' 'x402-payment'","prices":[{"id":"292297a9-0a22-46cd-9e0e-a6d4fbecd8b6","listingId":"0b66648b-061c-4a24-ac6f-02bfe8abf928","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/60","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T19:29:16.132Z"}],"sources":[{"listingId":"0b66648b-061c-4a24-ac6f-02bfe8abf928","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/wire/60","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T19:29:16.132Z","lastSeenAt":"2026-04-22T09:01:53.442Z"}],"details":{"listingId":"0b66648b-061c-4a24-ac6f-02bfe8abf928","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/wire/60 \\\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 is live and returns 402 with x402 challenge requiring USDC payment on Base","source_url":"https://lowpaymentfee.com/api/v1/wire/60"},{"claim":"All endpoints priced at $0.02 per request with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/wire/60"}],"useCases":["Programmatic access to premium API services without subscription or API key management","Agent-driven workflows that need on-demand paid API calls settled in crypto","Testing x402 payment protocol integrations on Base network"],"bestFor":["Developers wanting zero-signup, pay-as-you-go API access","AI agents that can settle x402 payments autonomously","Users who prefer crypto micropayments over traditional billing"],"notFor":["Users needing detailed documentation or guaranteed SLAs before purchasing","Anyone requiring non-crypto payment methods","Use cases requiring known, well-documented request/response schemas"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:29.799Z"},"updatedAt":"2026-04-22T09:01:53.442Z"}}