{"id":"03e9ed3e-1ddf-441b-9ae5-ad012b1e1f04","shortId":"fQsyxb","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 specific Stripe customer resource (`/api/v1/stripe/customers/125`) behind an x402 payment wall. It accepts POST requests and requires an X-PAYMENT header carrying a Base-network USDC payment. The maximum amount required per call is 20,000 base units of USDC (6 decimals), which equals $0.02 USD per request.\n\nThe parent site lowpaymentfee.com advertises a broad catalog of pay-per-call APIs spanning data & analytics, AI/ML inference (sentiment, summarization, classification, embeddings), finance/Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation) — all priced at $0.02 per request with no API keys, no rate limits, and no commitments. However, the specific endpoint being listed here (`/stripe/customers/125`) does not appear in the site's public catalog and its exact functionality is unclear. The description simply says \"Premium API Access\" with no further documentation on request/response schemas.\n\nThe endpoint is confirmed live: the probe received a proper HTTP 402 challenge with x402 version 1, settling on Base via USDC (contract `0x8335…2913`). Payment is sent to address `0x1A2B…85F3` with a 300-second timeout. No OpenAPI spec, detailed docs, or example responses were found — the docs, pricing, API, and README pages all returned only a \"Connect wallet\" prompt with no substantive content.","tags":[],"capabilities":["x402-payment","usdc-base","stripe-customer-data","pay-per-call","no-api-key"],"categories":["finance","infrastructure"],"synonyms":["stripe customer API","x402 paid endpoint","USDC micropayment API","Base network API","pay-per-request API","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available for this endpoint","The /stripe/customers/125 path is not listed in the site's public API catalog — its exact purpose is undocumented","All documentation pages (docs, pricing, API, README) returned only 'Connect wallet' with no content","Request and response body formats are completely unknown — integration requires trial and error","The endpoint references a specific Stripe customer ID (125), which may indicate it returns third-party billing data; exercise caution regarding data sensitivity"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/customers/125","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/125","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 challenge, but there is no OpenAPI spec, no documented request/response schema, no examples, and the docs pages are empty. The specific endpoint (/stripe/customers/125) is not listed in the site's public catalog, making its purpose and output unclear. Effectively a stub 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'/stripe/customers/125':146 '0.02':80,126 '000':71 '0x1a2b':206 '0x8335':199 '1':192 '20':70 '2913':200 '300':210 '402':187 '6':76 '85f3':207 'Base network API' 'USDC micropayment API' 'accept':46 'access':168 'address':205 'advertis':88 'ai/ml':101 'amount':65 'analyt':100 'api':97,131,167,226 'appear':149 'base':8,22,59,72,195 'base-network':58 'behind':40 'broad':90 'call':12,26,68,96 'carri':56 'catalog':91,155 'challeng':188 'classif':105 'commit':138 'confirm':179 'connect':234 'content':240 'contract':198 'convers':121 'custom':5,19,37 'data':99 'decim':77 'descript':163 'detail':216 'doc':217,224 'document':172 'embed':106 'endpoint':6,20,30,142,177 'equal':79 'estim':115 'exact':158 'exampl':219 'exchang':110 'expos':33 'feed':109 'finance/web3':107 'found':222 'function':159 'gas':114 'gate':3,17 'generat':122 'geocod':119 'header':55 'howev':139 'http':186 'infer':102 'infrastructur':117 'key':132 'limit':135 'list':144 'live':180 'lowpaymentfee' 'lowpaymentfee.com':32,87 'maximum':64 'network':60 'no-api-key' 'openapi':214 'page':229 'parent':85 'pay':10,24,94 'pay-per-cal':9,23,93 'pay-per-call' 'pay-per-request API' 'payment':43,54,62,201 'per':11,25,67,82,95,127 'post':47 'premium':166 'price':108,124,225 'probe':182 'prompt':236 'proper':185 'public':154 'quot':113 'rate':111,134 'readm':228 'receiv':183 'request':48,83,128 'request/response':174 'requir':50,66 'resourc':38 'respons':220 'return':231 'say':165 'schema':175 'second':211 'sent':203 'sentiment':103 'settl':193 'simpli':164 'site':86,152 'span':98 'spec':215 'specif':35,141 'stripe':4,18,36 'stripe customer API' 'stripe-customer-data' 'substant':239 'summar':104 'timeout':212 'token':112 'unclear':161 'unit':73 'usd':81 'usdc':14,28,61,75,197 'usdc-base' 'util':118 'valid':120 'version':191 'via':196 'wall':44 'wallet':235 'x':53 'x-payment':52 'x402':2,16,42,190 'x402 paid endpoint' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"7a2a6677-0560-42c5-8ef7-deaf47f8d9fc","listingId":"03e9ed3e-1ddf-441b-9ae5-ad012b1e1f04","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/125","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:54:48.068Z"}],"sources":[{"listingId":"03e9ed3e-1ddf-441b-9ae5-ad012b1e1f04","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/customers/125","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:54:48.068Z","lastSeenAt":"2026-04-25T21:02:51.063Z"}],"details":{"listingId":"03e9ed3e-1ddf-441b-9ae5-ad012b1e1f04","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/customers/125 \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\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 endpoint returns a valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/stripe/customers/125"},{"claim":"The site advertises all APIs at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stripe/customers/125"}],"useCases":["Retrieving Stripe customer information via a pay-per-call model","Programmatic access to customer billing data without traditional API key management","Agent-driven payment workflows that settle in USDC on Base"],"bestFor":["Developers wanting keyless, pay-per-call access to Stripe customer data","AI agents that can settle x402 payments on Base","Users who prefer crypto micropayments over subscription billing"],"notFor":["Anyone needing detailed API documentation or response schema guarantees before integrating","Bulk retrieval of many Stripe customers (no batch endpoint documented)","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:54.361Z"},"updatedAt":"2026-04-25T21:02:51.063Z"}}