{"id":"991d2700-7381-4d6b-8ac8-6cc3d757f25b","shortId":"kUzzkJ","kind":"x402","title":"x402-gated Stripe charges endpoint on Base, pay $0.02 per request in USDC.","tagline":"x402-gated Stripe charges endpoint on Base, pay $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides \"Premium API Access\" behind an x402 paywall. The specific path `/api/v1/stripe/charges/50` appears to be part of a broader platform offering dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and utility services — all priced at $0.02 per request.\n\nThe endpoint is live and returns a standard x402 challenge (version 1) requesting payment in USDC on the Base network. The max amount required is 20,000 base units of USDC (6 decimals), which equals $0.02. Payment is made via the \"exact\" scheme to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3`, with a 300-second timeout. The endpoint accepts HTTP POST requests.\n\nHowever, the actual functionality behind this specific path (`/stripe/charges/50`) is unclear. It is not listed among the documented APIs on the landing page, which cover analytics, AI, finance, and utility categories. No OpenAPI schema, request/response examples, or detailed documentation were found — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no substantive content. Without knowing what this endpoint returns upon successful payment, its practical utility is difficult to assess.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","stripe-charges","http-post"],"categories":["finance","infrastructure"],"synonyms":["stripe charges API","x402 paid endpoint","USDC micropayment API","lowpaymentfee","pay-per-call API","Base network API","crypto payment gateway"],"warnings":["The specific path /api/v1/stripe/charges/50 is not listed among the provider's documented API endpoints","No documentation, OpenAPI spec, or request/response examples are available","All documentation pages (docs, API, pricing, README) render only a 'Connect wallet' prompt with no content","The actual response payload after successful payment is unknown","The endpoint name suggests Stripe charge operations but this is unverified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/charges/50","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/charges/50","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 schema, no request/response examples, and the specific endpoint path is not listed among the provider's documented APIs. The docs pages are empty beyond a wallet-connect prompt. The actual functionality is 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'/stripe/charges/50':142 '0.02':10,24,74,112 '000':103 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':122 '1':88 '20':102 '300':125 '6':108 'Base network API' 'USDC micropayment API' 'accept':130 'access':36 'actual':136 'address':121 'ai':160 'ai/ml':64 'among':149 'amount':99 'analyt':63,159 'api':35,60,152,177 'appear':45 'assess':208 'base':8,22,95,104 'behind':37,138 'broader':51 'call':59 'categori':164 'challeng':86 'charg':5,19 'connect':186 'content':192 'cover':158 'crypto payment gateway' 'data':62,67 'decim':109 'detail':171 'difficult':206 'doc':176 'document':151,172 'dozen':54 'endpoint':6,20,30,78,129,197 'equal':111 'exact':118 'exampl':169 'financ':161 'finance/web3':66 'found':174 'function':137 'gate':3,17 'howev':134 'http':131 'http-post' 'infer':65 'know':194 'land':155 'list':148 'live':80 'lowpaymentfee' 'lowpaymentfee.com':32 'made':115 'max':98 'network':96 'offer':53 'openapi':166 'page':156,181 'part':48 'path':43,141 'pay':9,23,57 'pay-per-cal':56 'pay-per-call API' 'pay-per-request' 'payment':90,113,201 'paywal':40 'per':11,25,58,75 'platform':52 'post':132 'practic':203 'premium':34 'price':72,178 'prompt':188 'provid':33 'readm':180 'render':183 'request':12,26,76,89,133 'request/response':168 'requir':100 'return':82,198 'schema':167 'scheme':119 'second':126 'servic':70 'span':61 'specif':42,140 'standard':84 'stripe':4,18 'stripe charges API' 'stripe-charges' 'substant':191 'success':200 'timeout':127 'unclear':144 'unit':105 'upon':199 'usdc':14,28,92,107 'usdc-base' 'util':69,163,204 'version':87 'via':116 'wallet':187 'without':193 'x402':2,16,39,85 'x402 paid endpoint' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"56d4afa1-a207-49f8-9a90-da6b33f2f4bb","listingId":"991d2700-7381-4d6b-8ac8-6cc3d757f25b","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/charges/50","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:54:31.293Z"}],"sources":[{"listingId":"991d2700-7381-4d6b-8ac8-6cc3d757f25b","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/charges/50","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:54:31.293Z","lastSeenAt":"2026-04-26T02:03:01.802Z"}],"details":{"listingId":"991d2700-7381-4d6b-8ac8-6cc3d757f25b","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/50 \\\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 valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/50"},{"claim":"The platform lists APIs across data analytics, AI/ML, finance, and utility categories all priced at $0.02 per request","source_url":"https://lowpaymentfee.com"},{"claim":"The platform advertises no API keys, no rate limits, instant access, and Base network settlement","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/50"}],"useCases":["Programmatic Stripe charge creation or retrieval behind a crypto paywall","Agent-driven payment processing via x402 protocol","Exploring x402 micropayment patterns for API monetization"],"bestFor":["Developers experimenting with x402 payment protocol on Base","Agents that can settle USDC payments on Base for per-call API access","Projects needing low-cost pay-per-request API access without API keys"],"notFor":["Users who need detailed API documentation or guaranteed SLAs","Production systems requiring well-documented request/response schemas","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:55.251Z"},"updatedAt":"2026-04-26T02:03:01.802Z"}}