{"id":"05b65147-a86d-4dd8-add0-9df2980fa48f","shortId":"a9TbGQ","kind":"x402","title":"x402-gated Stripe customer endpoint on Base, paying per-call in USDC.","tagline":"x402-gated Stripe customer endpoint on Base, paying per-call in USDC.","description":"This endpoint at lowpaymentfee.com exposes a specific Stripe customer resource (`/api/v1/stripe/customers/86`) behind an x402 paywall. It accepts POST requests and charges up to $0.02 per call in USDC on the Base network. Payment is handled via the x402 protocol's \"exact\" scheme — callers attach an X-PAYMENT header with a signed payment to the specified wallet address, and the endpoint returns an `application/json` response.\n\nThe broader lowpaymentfee.com platform advertises a suite of pay-per-request APIs spanning data analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance/crypto market data, and infrastructure utilities — all priced at $0.02 per request with no API keys, no rate limits, and no commitments. However, the specific endpoint listed here (`/stripe/customers/86`) is not prominently documented on the site's landing page, and its exact functionality is unclear. It likely proxies or wraps a Stripe customer record, but no request/response schema documentation was found.\n\nThe x402 challenge is live and well-formed, confirming the endpoint is operational. The payment asset is USDC (contract `0x8335...2913` on Base), with a max amount of 20,000 base units ($0.02 given 6 decimals). Documentation beyond the landing page is extremely thin — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no additional content.","tags":[],"capabilities":["x402-payment","usdc-on-base","stripe-customer-proxy","per-call-billing","no-api-key","json-response"],"categories":["finance","infrastructure"],"synonyms":["stripe customer API","x402 paid endpoint","USDC micropayment API","pay-per-request API","Base network API","lowpaymentfee"],"warnings":["No request or response schema documentation available","The specific endpoint /api/v1/stripe/customers/86 is not listed on the provider's landing page among advertised APIs","All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no content","Unclear what data this endpoint returns or what POST body it expects","The endpoint path suggests it wraps a specific Stripe customer record — potential PII/data sensitivity concerns"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/customers/86","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/86","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The x402 challenge is live and well-formed, confirming the endpoint works. However, there is no request/response schema, no documentation beyond a wallet-connect prompt, and the specific endpoint (/stripe/customers/86) is not listed among the site's advertised APIs. The purpose and behavior of this endpoint must be 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'/stripe/customers/86':145 '0.02':52,126,211 '000':208 '0x8335':198 '20':207 '2913':199 '6':213 'Base network API' 'USDC micropayment API' 'accept':45 'addit':239 'address':86 'advertis':98 'ai/ml':110 'amount':205 'analysi':113 'analyt':109 'api':106,131,225 'application/json':92 'asset':194 'attach':72 'base':8,22,59,201,209 'behind':40 'beyond':216 'broader':95 'call':12,26,54 'caller':71 'challeng':180 'charg':49 'classif':115 'commit':138 'confirm':187 'connect':234 'content':240 'contract':197 'custom':5,19,37,169 'data':108,119 'decim':214 'doc':224 'document':149,175,215 'embed':116 'endpoint':6,20,30,89,142,189 'exact':69,158 'expos':33 'extrem':221 'finance/crypto':117 'form':186 'found':177 'function':159 'gate':3,17 'given':212 'handl':63 'header':77 'howev':139 'infer':111 'infrastructur':121 'json-response' 'key':132 'land':154,218 'like':163 'limit':135 'list':143 'live':182 'lowpaymentfee' 'lowpaymentfee.com':32,96 'market':118 'max':204 'network':60 'no-api-key' 'oper':191 'page':155,219,229 'pay':9,23,103 'pay-per-request':102 'pay-per-request API' 'payment':61,76,81,193 'paywal':43 'per':11,25,53,104,127 'per-cal':10,24 'per-call-billing' 'platform':97 'post':46 'price':124,226 'promin':148 'prompt':236 'protocol':67 'proxi':164 'rate':134 'readm':228 'record':170 'render':231 'request':47,105,128 'request/response':173 'resourc':38 'respons':93 'return':90 'schema':174 'scheme':70 'sentiment':112 'sign':80 'site':152 'span':107 'specif':35,141 'specifi':84 'stripe':4,18,36,168 'stripe customer API' 'stripe-customer-proxy' 'suit':100 'summar':114 'thin':222 'unclear':161 'unit':210 'usdc':14,28,56,196 'usdc-on-base' 'util':122 'via':64 'wallet':85,235 'well':185 'well-form':184 'wrap':166 'x':75 'x-payment':74 'x402':2,16,42,66,179 'x402 paid endpoint' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"7004f87c-cb3c-47b2-9c45-1cf2a2138f6d","listingId":"05b65147-a86d-4dd8-add0-9df2980fa48f","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/86","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:55:22.271Z"}],"sources":[{"listingId":"05b65147-a86d-4dd8-add0-9df2980fa48f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/customers/86","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:55:22.271Z","lastSeenAt":"2026-04-25T17:03:34.926Z"}],"details":{"listingId":"05b65147-a86d-4dd8-add0-9df2980fa48f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/customers/86 \\\n  -H \"X-PAYMENT: <signed-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 in USDC on Base (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/stripe/customers/86"},{"claim":"The site advertises $0.02/request pricing with no API keys, no rate limits, and instant access on the Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages render only a 'Connect wallet' prompt with no additional content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving or interacting with a Stripe customer record via a crypto-paywall","Programmatic access to Stripe data without traditional API key management","Agent-driven payment flows where per-call USDC settlement is preferred"],"bestFor":["Developers wanting keyless, pay-per-call access to Stripe customer data","AI agents that can settle x402 payments in USDC on Base","Prototyping crypto-gated API access patterns"],"notFor":["Production Stripe integrations requiring full CRUD on customer objects","Users who need detailed API documentation or guaranteed SLAs","Non-crypto workflows that cannot produce x402 payment headers"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:52.735Z"},"updatedAt":"2026-04-25T17:03:34.926Z"}}