{"id":"ace252f9-3361-4eed-a8d3-99fd2a64aafa","shortId":"CK4vJp","kind":"x402","title":"x402-gated Stripe customer endpoint on Base, pay-per-call with USDC.","tagline":"x402-gated Stripe customer endpoint on Base, pay-per-call with USDC.","description":"This endpoint at lowpaymentfee.com exposes a Stripe customer resource (`/api/v1/stripe/customers/45`) behind an x402 paywall. It accepts POST requests and settles payments in USDC on the Base network. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (0.02 USD per request), consistent with the provider's site-wide flat pricing of $0.02/request.\n\nThe provider, lowpaymentfee.com, offers a broad catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance/crypto data, and utility services — all gated via x402 with the same pricing model. This specific endpoint appears to retrieve or interact with a Stripe customer record (ID 45). No OpenAPI schema, request body documentation, or response examples were found in the crawl; the docs, pricing, and API pages all returned only a \"Connect wallet\" prompt with no further content.\n\nBecause the endpoint's actual behavior (what data it returns or what input it expects) is undocumented, agents should treat this as a low-documentation endpoint. The x402 challenge is live and well-formed, confirming the endpoint is operational. Payment is keyless — no API keys or accounts are required; callers simply attach an x402 payment header with USDC on Base.","tags":[],"capabilities":["x402-payment","usdc-base","stripe-customer-data","pay-per-call","keyless-access","post-method"],"categories":["finance","infrastructure"],"synonyms":["stripe customer API","x402 stripe endpoint","pay-per-call stripe","USDC API payment","lowpaymentfee","base network API","402 payment API"],"warnings":["No API documentation available — docs, pricing, and API pages all render only a 'Connect wallet' prompt with no further content.","The endpoint's actual behavior (what it returns for a Stripe customer record) is undocumented and must be discovered empirically.","It is unclear whether this endpoint proxies real Stripe data or is a demo/placeholder.","No request body schema or response schema is provided."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/customers/45","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/stripe/customers/45","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge is live and well-formed, confirming the endpoint is operational with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no request/response documentation, and no examples. The docs pages returned only wallet-connect prompts. The actual purpose and data shape of this Stripe customer endpoint remain 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'/request':86 '0.02':70,85 '000':65 '20':64 '402 payment API' '45':133 'USDC API payment' 'accept':44 'account':213 'actual':169 'advertis':59 'agent':182 'ai/ml':103 'analyt':102 'api':99,152,210 'appear':122 'attach':218 'base':8,22,54,66,226 'base network API' 'behavior':170 'behind':39 'bodi':138 'broad':92 'call':12,26,98 'caller':216 'catalog':93 'challeng':58,194 'confirm':201 'connect':158 'consist':74 'content':164 'cost':62 'crawl':147 'custom':5,19,36,130 'data':101,106,172 'doc':149 'document':139,190 'endpoint':6,20,30,121,167,191,203 'exampl':142 'expect':179 'expos':33 'finance/crypto':105 'flat':82 'form':200 'found':144 'gate':3,17,111 'header':222 'id':132 'infer':104 'input':177 'interact':126 'key':211 'keyless':208 'keyless-access' 'live':196 'low':189 'low-document':188 'lowpaymentfee' 'lowpaymentfee.com':32,89 'maximum':61 'model':118 'network':55 'offer':90 'openapi':135 'oper':205 'page':153 'pay':10,24,96 'pay-per-cal':9,23,95 'pay-per-call' 'pay-per-call stripe' 'payment':49,206,221 'paywal':42 'per':11,25,72,97 'post':45 'post-method' 'price':83,117,150 'prompt':160 'provid':77,88 'record':131 'request':46,73,137 'requir':215 'resourc':37 'respons':141 'retriev':124 'return':155,174 'schema':136 'servic':109 'settl':48 'simpli':217 'site':80 'site-wid':79 'span':100 'specif':120 'stripe':4,18,35,129 'stripe customer API' 'stripe-customer-data' 'treat':184 'undocu':181 'unit':67 'usd':71 'usdc':14,28,51,69,224 'usdc-base' 'util':108 'via':112 'wallet':159 'well':199 'well-form':198 'wide':81 'x402':2,16,41,57,113,193,220 'x402 stripe endpoint' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"61d490ca-b3fa-4436-ac38-1521c87459e1","listingId":"ace252f9-3361-4eed-a8d3-99fd2a64aafa","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/stripe/customers/45","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:55:11.957Z"}],"sources":[{"listingId":"ace252f9-3361-4eed-a8d3-99fd2a64aafa","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/customers/45","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:55:11.957Z","lastSeenAt":"2026-04-25T18:32:38.634Z"}],"details":{"listingId":"ace252f9-3361-4eed-a8d3-99fd2a64aafa","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/customers/45 \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\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 x402 challenge returns maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base network","source_url":"https://lowpaymentfee.com/api/v1/stripe/customers/45"},{"claim":"Site-wide pricing is $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The provider offers APIs across data/analytics, AI/ML, finance/Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving or interacting with a Stripe customer record without needing an API key","Agent-driven payment workflows that settle per-call in USDC on Base","Programmatic access to Stripe customer data behind a micropayment wall"],"bestFor":["Agents or services that need keyless, pay-per-call access to Stripe customer data","Developers experimenting with x402 payment flows on Base","Automated pipelines that prefer crypto micropayments over subscription billing"],"notFor":["Production Stripe integrations where you already have direct Stripe API access","Use cases requiring detailed API documentation or guaranteed SLAs","High-volume batch operations where per-call pricing at $0.02 adds up"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:53.172Z"},"updatedAt":"2026-04-25T18:32:38.634Z"}}