{"id":"5a836170-cebb-4360-bed3-37f541c7af12","shortId":"VwEG3w","kind":"x402","title":"x402-gated Stripe customer endpoint on Base, pay $0.02 per request in USDC.","tagline":"x402-gated Stripe customer endpoint on Base, pay $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides x402-protocol access to a Stripe customer resource (customer ID 21) via a POST request. It is part of a broader platform offering dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all gated behind x402 payment challenges settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/stripe/customers/21` is labeled \"Premium API Access\" by the provider. The x402 challenge advertises a maximum amount of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 USD (USDC uses 6 decimals). Payment is made via the `exact` scheme to the provider's wallet. No API keys are required; authentication is handled entirely through the x402 payment header. The provider claims no rate limits and instant access.\n\nDocumentation is extremely sparse — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what data this endpoint actually returns. The endpoint is confirmed live (returns a proper 402 challenge), but the actual functionality behind the paywall is unclear from available materials.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","stripe-customer-data","pay-per-request","no-api-key"],"categories":["finance","infrastructure"],"synonyms":["stripe customer API","x402 paid API","USDC micropayment API","Base network API","pay-per-call endpoint","lowpaymentfee"],"warnings":["Documentation pages (docs, API, pricing, README) contain no useful content — only 'Connect wallet' prompts.","No OpenAPI or schema available; request body format and response structure are completely unknown.","The specific purpose of accessing Stripe customer ID 21 through a third-party pay-per-call API is unclear and potentially suspicious.","No information about data freshness, accuracy, or underlying data sources."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/customers/21","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/21","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 documentation is essentially nonexistent — every doc page shows only 'Connect wallet'. There is no OpenAPI schema, no request/response examples, and no explanation of what the endpoint actually returns. The purpose of a 'Stripe customers/21' endpoint on a generic paid-API platform is 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'0.02':10,24,120 '000':109 '0x8335':114 '20':108 '21':45 '2913':115 '402':209 '6':124 'Base network API' 'USDC micropayment API' 'access':37,96,160 'actual':199,213 'advertis':103 'ai/ml':68 'amount':106 'analyt':67 'api':64,95,139,167 'authent':143 'avail':221 'base':8,22,86,110,117 'base-network' 'behind':77,215 'broader':55 'call':63 'challeng':80,102,210 'claim':154 'confirm':204 'connect':176 'content':182 'custom':5,19,41,43 'data':66,71,196 'decim':125 'descript':193 'doc':166 'document':161 'dozen':58 'endpoint':6,20,30,90,198,202 'entir':146 'equal':119 'exact':131 'exampl':190 'extrem':163 'finance/web3':70 'function':214 'gate':3,17,76 'handl':145 'header':151 'id':44 'infer':69 'infrastructur':73 'instant':159 'key':140 'label':93 'limit':157 'live':205 'lowpaymentfee' 'lowpaymentfee.com':32 'made':128 'materi':222 'maximum':105 'network':87 'no-api-key' 'offer':57 'openapi':186 'page':171 'part':52 'pay':9,23,61 'pay-per-cal':60 'pay-per-call endpoint' 'pay-per-request' 'payment':79,126,150 'paywal':217 'per':11,25,62 'platform':56 'post':48 'premium':94 'price':168 'prompt':178 'proper':208 'protocol':36 'provid':33,99,135,153 'rate':156 'readm':170 'render':173 'request':12,26,49 'request/response':189 'requir':142 'resourc':42 'return':200,206 'schema':187 'scheme':132 'settl':81 'span':65 'spars':164 'specif':89 'stripe':4,18,40 'stripe customer API' 'stripe-customer-data' 'substant':181 'unclear':219 'unit':111 'usd':121 'usdc':14,28,83,113,122 'usdc-settlement' 'use':123 'util':74 'via':46,129 'wallet':137,177 'x402':2,16,35,78,101,149 'x402 paid API' 'x402-gated':1,15 'x402-payment' 'x402-protocol':34","prices":[{"id":"5e34ca54-26b4-4a74-ad41-83b9fc0b2f7c","listingId":"5a836170-cebb-4360-bed3-37f541c7af12","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/21","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:55:07.143Z"}],"sources":[{"listingId":"5a836170-cebb-4360-bed3-37f541c7af12","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/customers/21","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:55:07.143Z","lastSeenAt":"2026-04-25T19:32:27.775Z"}],"details":{"listingId":"5a836170-cebb-4360-bed3-37f541c7af12","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/customers/21 \\\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 x402 challenge advertises maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/stripe/customers/21"},{"claim":"The platform offers APIs at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stripe/customers/21"}],"useCases":["Retrieving Stripe customer data for customer ID 21 via a paid API call","Demonstrating x402 payment protocol integration with USDC on Base","Agent-driven programmatic access to premium data without API key management"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that can settle USDC payments on Base network","Use cases requiring keyless, pay-per-call API access"],"notFor":["Users needing well-documented APIs with clear request/response schemas","Bulk data retrieval where per-request pricing would be costly","Anyone without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:53.473Z"},"updatedAt":"2026-04-25T19:32:27.775Z"}}