{"id":"a0420c04-53b9-42b6-be7e-6b2f7cf743f5","shortId":"52nVP6","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/57`) behind an x402 paywall. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with the \"exact\" payment scheme. The maximum amount required per call is 20,000 base units of USDC, which at 6 decimals equals $0.02 USD.\n\nThe provider, lowpaymentfee.com, operates a broader catalog of x402-gated APIs spanning data analytics, AI/ML inference, finance/Web3 data, and utility services — all priced at $0.02 per request with no API keys, no rate limits, and no minimum commitments. However, this specific endpoint (`/stripe/customers/57`) is not listed on the provider's public landing page among the advertised API categories. Its exact functionality is unclear: the title \"Premium API Access\" and the Stripe-customer path suggest it may return or manage a Stripe customer object, but no documentation, request schema, or response schema is available beyond the x402 challenge.\n\nThe endpoint is confirmed live — it returns a well-formed x402 version-1 challenge with a 402 status code. The root site loads successfully (HTTP 200). Documentation pages (/docs, /pricing, /api, /README) all render only a \"Connect wallet\" prompt with no additional technical content, so details about request parameters, response format, and error handling are unknown.","tags":[],"capabilities":["x402-payment","usdc-on-base","pay-per-call","stripe-customer-data","json-response","no-api-key"],"categories":["finance","infrastructure"],"synonyms":["stripe customer API","x402 stripe endpoint","pay-per-request API","USDC micropayment API","lowpaymentfee","Base network API","402 payment required"],"warnings":["This specific endpoint (/api/v1/stripe/customers/57) is not listed on the provider's public API catalog — its functionality is unverified.","All documentation pages (/docs, /pricing, /api, /README) render only a 'Connect wallet' prompt with no technical content.","No request or response schema is available; the exact behavior of this endpoint is unknown.","The endpoint path references a hardcoded Stripe customer ID (57), which may indicate a demo or test resource rather than a general-purpose API."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/customers/57","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/57","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 documentation, no request/response schema, and the specific endpoint (/stripe/customers/57) is not listed among the provider's advertised APIs. The purpose and output of this endpoint are 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'/api':216 '/api/v1/stripe/customers/57':38 '/docs':214 '/pricing':215 '/readme':217 '/stripe/customers/57':129 '0.02':84,111 '000':74 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':60 '20':73 '200':211 '402':202 '402 payment required' '6':81 'Base network API' 'USDC micropayment API' 'accept':44 'access':154 'addit':227 'advertis':142 'ai/ml':101 'among':140 'amount':68 'analyt':100 'api':97,116,143,153 'avail':180 'base':8,22,55,75 'behind':39 'beyond':181 'broader':91 'call':12,26,71 'catalog':92 'categori':144 'challeng':184,199 'code':204 'commit':124 'confirm':188 'connect':222 'content':229 'contract':59 'custom':5,19,36,159,169 'data':99,104 'decim':82 'detail':231 'document':173,212 'endpoint':6,20,30,128,186 'equal':83 'error':238 'exact':63,146 'expos':33 'finance/web3':103 'form':195 'format':236 'function':147 'gate':3,17,96 'handl':239 'howev':125 'http':210 'infer':102 'json':49 'json-response' 'key':117 'land':138 'limit':120 'list':132 'live':189 'load':208 'lowpaymentfee' 'lowpaymentfee.com':32,88 'manag':166 'maximum':67 'may':163 'minimum':123 'network':56 'no-api-key' 'object':170 'oper':89 'page':139,213 'paramet':234 'path':160 'pay':10,24 'pay-per-cal':9,23 'pay-per-call' 'pay-per-request API' 'payment':50,64 'paywal':42 'per':11,25,70,112 'post':45 'premium':152 'price':109 'prompt':224 'provid':87,135 'public':137 'rate':119 'render':219 'request':46,113,174,233 'requir':69 'resourc':37 'respons':177,235 'return':48,164,191 'root':206 'schema':175,178 'scheme':65 'servic':107 'settl':52 'site':207 'span':98 'specif':127 'status':203 'stripe':4,18,35,158,168 'stripe customer API' 'stripe-custom':157 'stripe-customer-data' 'success':209 'suggest':161 'technic':228 'titl':151 'unclear':149 'unit':76 'unknown':241 'usd':85 'usdc':14,28,58,78 'usdc-on-base' 'use':57 'util':106 'version':197 'wallet':223 'well':194 'well-form':193 'x402':2,16,41,95,183,196 'x402 stripe endpoint' 'x402-gated':1,15,94 'x402-payment'","prices":[{"id":"0e98ccf7-9db5-4b5c-b147-b6068a581825","listingId":"a0420c04-53b9-42b6-be7e-6b2f7cf743f5","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/57","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:55:14.981Z"}],"sources":[{"listingId":"a0420c04-53b9-42b6-be7e-6b2f7cf743f5","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/customers/57","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:55:14.981Z","lastSeenAt":"2026-04-25T18:03:59.640Z"}],"details":{"listingId":"a0420c04-53b9-42b6-be7e-6b2f7cf743f5","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/customers/57 \\\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":"The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 USDC base units on Base network","source_url":"https://lowpaymentfee.com/api/v1/stripe/customers/57"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/stripe/customers/57"},{"claim":"The provider advertises $0.02 per request, no API keys, no rate limits, instant access on 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 managing a Stripe customer record via a crypto-paywall","Integrating Stripe customer data into an agent workflow without traditional API keys","Demonstrating x402 payment protocol usage on Base with USDC"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing keyless, pay-per-call access to Stripe customer data","Projects that prefer crypto micropayments over subscription billing"],"notFor":["Production Stripe integrations requiring full CRUD and documented schemas","Users who need detailed API documentation and guaranteed SLAs","Non-crypto workflows that cannot settle payments on Base"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:53.062Z"},"updatedAt":"2026-04-25T18:03:59.640Z"}}