{"id":"f80b0800-a285-4b79-9dfd-f211765ab51d","shortId":"XdfPGL","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. It is part of a broader platform offering dozens of pay-per-call API endpoints across categories including 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 endpoints are priced at $0.02 per request, settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/stripe/charges/5` appears to be a Stripe charges-related API call. The x402 challenge confirms it accepts POST requests, requires payment of up to 20,000 base units of USDC (0.02 USD given 6 decimals) to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base, and returns `application/json`. The platform advertises no API keys, no rate limits, and instant access.\n\nDocumentation is extremely thin — 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 the Stripe charges endpoint actually returns or what parameters it accepts. The endpoint is live (402 challenge confirmed), but the lack of documentation makes it difficult to use without experimentation.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","stripe-charges","json-response","no-api-key","post-method"],"categories":["finance","infrastructure"],"synonyms":["stripe charges API","payment processing API","x402 API","USDC micropayment","Base network API","low fee API","pay-per-call API"],"warnings":["No API documentation available — docs, pricing, and README pages all show only 'Connect wallet'","No OpenAPI or request/response schema provided; request parameters are unknown","The purpose of '/api/v1/stripe/charges/5' is unclear — it may expose Stripe charge data but this is unconfirmed","The broader platform lists many endpoints but none have documented schemas"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/charges/5","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/5","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 with clear pricing, but there is zero documentation on request parameters, response schema, or what the Stripe charges endpoint actually does. Docs pages are empty beyond a wallet-connect prompt. Effectively a stub 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'0.02':10,24,88,131 '000':126 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':138 '20':125 '402':206 '6':134 'Base network API' 'USDC micropayment' 'accept':117,201 'access':36,155 'across':57 'actual':195 'address':137 'advertis':146 'ai/ml':61 'analysi':63 'api':35,55,110,148,162 'appear':102 'application/json':143 'base':8,22,96,127,140 'behind':37 'broader':46 'call':54,111 'categori':58 'challeng':114,207 'charg':5,19,108,193 'charges-rel':107 'classif':65 'confirm':115,208 'connect':171 'content':177 'convers':81 'data/analytics':60 'decim':135 'descript':188 'difficult':216 'doc':161 'document':156,213 'dozen':49 'embed':66 'endpoint':6,20,30,56,84,100,194,203 'estim':75 'exampl':185 'exchang':70 'experiment':220 'extrem':158 'feed':69 'finance/web3':67 'gas':74 'gate':3,17 'generat':82 'geocod':79 'given':133 'includ':59 'infrastructur':77 'instant':154 'json-response' 'key':149 'lack':211 'limit':152 'live':205 'low fee API' 'lowpaymentfee.com':32 'make':214 'network':97 'no-api-key' 'offer':48 'openapi':181 'page':166 'paramet':199 'part':43 'pay':9,23,52 'pay-per-cal':51 'pay-per-call API' 'pay-per-request' 'payment':121 'payment processing API' 'paywal':40 'per':11,25,53,89 'platform':47,145 'post':118 'post-method' 'premium':34 'price':68,86,163 'prompt':173 'provid':33 'quot':73 'rate':71,151 'readm':165 'relat':109 'render':168 'request':12,26,90,119 'request/response':184 'requir':120 'return':142,196 'schema':182 'sentiment':62 'settl':91 'specif':99 'stripe':4,18,106,192 'stripe charges API' 'stripe-charges' 'substant':176 'summar':64 'thin':159 'token':72 'unit':128 'usd':132 'usdc':14,28,93,130 'usdc-base' 'use':218 'util':78 'valid':80 'wallet':172 'without':219 'x402':2,16,39,113 'x402 API' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"9dec6d05-df37-4e45-93af-c44c63919266","listingId":"f80b0800-a285-4b79-9dfd-f211765ab51d","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/5","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:54:16.829Z"}],"sources":[{"listingId":"f80b0800-a285-4b79-9dfd-f211765ab51d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/charges/5","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:54:16.829Z","lastSeenAt":"2026-04-25T22:32:33.012Z"}],"details":{"listingId":"f80b0800-a285-4b79-9dfd-f211765ab51d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/5 \\\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":"All endpoints priced at $0.02 per request with no API keys, no rate limits, instant access, on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"x402 challenge confirms USDC on Base, maxAmountRequired 20000 (=$0.02), POST method, payTo 0x1A2B...85F3","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/5"},{"claim":"Platform offers endpoints across data/analytics, AI/ML, finance/Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, API, pricing, and README pages render only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatic access to Stripe charge data via a single micropayment per call","Agent-driven payment workflows that need charge information without API key management","Exploring x402 protocol integrations with USDC on Base"],"bestFor":["Developers experimenting with x402 pay-per-call protocols","Agents needing keyless, on-demand API access settled in USDC","Low-volume consumers who prefer per-request pricing over subscriptions"],"notFor":["High-volume production workloads requiring documented, stable schemas","Users who need detailed API documentation or SDKs before integrating","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:55.997Z"},"updatedAt":"2026-04-25T22:32:33.012Z"}}