{"id":"4d857832-b16d-4ffe-84c8-6a44835a8592","shortId":"SkTfnv","kind":"x402","title":"x402-gated Stripe customer data endpoint on Base, paid per-request in USDC.","tagline":"x402-gated Stripe customer data endpoint on Base, paid per-request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to a specific Stripe customer resource (customer ID 151) behind an x402 paywall. The endpoint accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) via the x402 \"exact\" scheme.\n\nThe specific endpoint `/api/v1/stripe/customers/151` is listed as \"Premium API Access\" and costs up to 20,000 base units of USDC (i.e., $0.02 given USDC's 6 decimals). The broader lowpaymentfee.com platform advertises a suite of APIs spanning data/analytics, AI/ML (sentiment analysis, 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 required.\n\nDocumentation is extremely sparse: the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The endpoint is confirmed live (returns a proper 402 x402 challenge), but without documentation it is unclear what request body the POST expects or what shape the response takes beyond application/json.","tags":[],"capabilities":["x402-payment","usdc-base-network","stripe-customer-data","per-request-billing","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["stripe customer API","x402 paid API","USDC micropayment API","pay-per-call API","Base network API","lowpaymentfee","crypto-gated endpoint"],"warnings":["No documentation available — /docs, /api, /pricing, and /README all show only 'Connect wallet'","No OpenAPI or schema describing expected request body or response format","Endpoint targets a single hardcoded Stripe customer ID (151); unclear what data is returned or why","No information on data provenance or authorization for the Stripe customer data being served","The broader platform advertises many API categories but none appear documented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/customers/151","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/151","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 OpenAPI spec, no request/response examples, and the docs pages are empty stubs. The purpose of exposing a single Stripe customer record behind a paywall is unclear and potentially 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'/api/v1/stripe/customers/151':78 '/docs':157 '/pricing':159 '/readme':161 '0.02':96,138 '000':90 '0x8335':68 '151':45 '20':89 '2913':69 '402':196 '6':100 'Base network API' 'USDC micropayment API' 'accept':52 'access':36,84 'advertis':106 'ai/ml':113 'analysi':115 'api':83,110,143 'application/json':218 'avail':187 'base':9,24,63,91 'behind':46 'beyond':217 'bodi':207 'broader':103 'challeng':198 'classif':117 'commit':150 'confirm':191 'connect':167 'content':173 'contract':67 'convers':133 'cost':86 'crypto-gated endpoint' 'custom':5,20,41,43 'data':6,21 'data/analytics':112 'decim':101 'document':152,182,201 'embed':118 'endpoint':7,22,32,51,77,189 'estim':127 'exact':73 'exampl':185 'exchang':122 'expect':210 'extrem':154 'feed':121 'finance/web3':119 'gas':126 'gate':3,18 'generat':134 'geocod':131 'given':97 'i.e':95 'id':44 'infrastructur':129 'json':57 'json-response' 'key':144 'limit':147 'list':80 'live':192 'lowpaymentfee' 'lowpaymentfee.com':34,104 'network':64 'no-api-key' 'openapi':177 'page':162 'paid':10,25 'pay-per-call API' 'payload':186 'payment':58 'paywal':49 'per':12,27,139 'per-request':11,26 'per-request-billing' 'platform':105 'post':53,209 'premium':82 'price':120,136 'prompt':169 'proper':195 'provid':35 'quot':125 'rate':123,146 'render':164 'request':13,28,54,140,206 'request/response':180 'requir':151 'resourc':42 'respons':215 'return':56,193 'schema':181 'scheme':74 'sentiment':114 'settl':60 'shape':213 'span':111 'spars':155 'spec':178 'specif':39,76 'stripe':4,19,40 'stripe customer API' 'stripe-customer-data' 'suit':108 'summar':116 'take':216 'token':124 'unclear':204 'unit':92 'usdc':15,30,66,94,98 'usdc-base-network' 'use':65 'util':130 'valid':132 'via':70 'wallet':168 'without':200 'x402':2,17,48,72,197 'x402 paid API' 'x402-gated':1,16 'x402-payment'","prices":[{"id":"69f0ba98-92e6-455d-8d31-e54db1935e98","listingId":"4d857832-b16d-4ffe-84c8-6a44835a8592","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/151","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:54:53.456Z"}],"sources":[{"listingId":"4d857832-b16d-4ffe-84c8-6a44835a8592","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/customers/151","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:54:53.456Z","lastSeenAt":"2026-04-27T10:05:26.428Z"}],"details":{"listingId":"4d857832-b16d-4ffe-84c8-6a44835a8592","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/customers/151 \\\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":"Endpoint returns a valid x402 challenge with USDC on Base network, maxAmountRequired 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/stripe/customers/151"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/stripe/customers/151"},{"claim":"Documentation pages (/docs, /api, /pricing, /README) contain only 'Connect wallet' with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving Stripe customer information for customer ID 151 via a crypto-paid endpoint","Demonstrating x402 payment protocol integration for API monetization","Accessing premium data without traditional API key registration"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that can settle USDC payments on Base for per-call API access","Projects needing keyless, pay-per-use API access"],"notFor":["Production use requiring documented request/response schemas","Bulk Stripe customer data retrieval across many customer IDs","Users without USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:54.105Z"},"updatedAt":"2026-04-27T10:05:26.428Z"}}