{"id":"508e3c47-26b4-4f1e-9f0d-93d1054eaa4b","shortId":"cxFxMq","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 spanning data analytics, AI/ML inference, finance/Web3 data, and utility services — all priced at $0.02 per request and settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/stripe/charges/75` appears to be a Stripe charges proxy or wrapper. The x402 challenge confirms it accepts POST requests, requires payment of up to 20,000 base units of USDC (0x8335…2913 on Base, 6 decimals = $0.02), and settles to address 0x1A2B…85F3. No API keys or rate limits are advertised; access is granted purely via the x402 payment header. The endpoint returns `application/json`.\n\nDocumentation is extremely sparse. The landing page lists available endpoints and pricing, but the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema, and no usage examples. The exact functionality behind the \"stripe/charges/75\" path is unclear — it could be a Stripe charge creation proxy, a charge lookup, or something else entirely. Without documentation or sample payloads, consumers must experiment to determine the input format and response structure.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","stripe-charges","json-api","no-api-key"],"categories":["finance","infrastructure"],"synonyms":["stripe charges API","payment processing API","x402 USDC endpoint","lowpaymentfee","pay-per-call API","Base network API","micropayment API"],"warnings":["No documentation available — /docs, /pricing, /api, and /README all return only a wallet-connect prompt with no content.","No OpenAPI or schema definition; request and response formats are unknown.","The exact purpose of /api/v1/stripe/charges/75 is unclear — 'Premium API Access' is a generic label.","The platform lists many endpoints but none appear to have public documentation describing their behavior."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/charges/75","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/75","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 ($0.02 USDC on Base). However, there is no OpenAPI spec, no documentation beyond a landing page, no request/response schema, and no examples. The actual functionality of 'stripe/charges/75' is ambiguous. This is effectively a stub 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'/api/v1/stripe/charges/75':84 '/docs':161 '/pricing':162 '/readme':165 '0.02':10,24,70,119 '000':108 '0x1a2b':124 '0x8335':113 '20':107 '2913':114 '6':117 '85f3':125 'Base network API' 'accept':99 'access':36,134 'address':123 'advertis':133 'ai/ml':60 'analyt':59 'api':35,55,127 'appear':85 'application/json':146 'avail':155 'base':8,22,79,109,116 'behind':37,193 'broader':46 'call':54 'challeng':96 'charg':5,19,90,204,208 'confirm':97 'connect':171 'consum':219 'content':177 'could':200 'creation':205 'data':58,63 'decim':118 'determin':223 'document':147,215 'dozen':49 'els':212 'endpoint':6,20,30,56,83,144,156 'entir':213 'exact':191 'exampl':189 'experi':221 'extrem':149 'finance/web3':62 'format':226 'function':192 'gate':3,17 'grant':136 'header':142 'infer':61 'input':225 'json-api' 'key':128 'land':152 'limit':131 'list':154 'lookup':209 'lowpaymentfee' 'lowpaymentfee.com':32 'micropayment API' 'must':220 'network':80 'no-api-key' 'offer':48 'openapi':181 'page':153,166 'part':43 'path':196 'pay':9,23,52 'pay-per-cal':51 'pay-per-call API' 'pay-per-request' 'payload':218 'payment':103,141 'payment processing API' 'paywal':40 'per':11,25,53,71 'platform':47 'post':100 'premium':34 'price':68,158 'prompt':173 'provid':33 'proxi':91,206 'pure':137 'rate':130 'render':168 'request':12,26,72,101 'request/response':184 'requir':102 'respons':228 'return':145 'sampl':217 'schema':185 'servic':66 'settl':74,121 'someth':211 'span':57 'spars':150 'spec':182 'specif':82 'stripe':4,18,89,203 'stripe charges API' 'stripe-charges' 'stripe/charges/75':195 'structur':229 'unclear':198 'unit':110 'usag':188 'usdc':14,28,76,112 'usdc-base' 'util':65 'via':138 'wallet':172 'without':214 'wrapper':93 'x402':2,16,39,95,140 'x402 USDC endpoint' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"6228afd5-43af-43b7-8811-589261fc7b20","listingId":"508e3c47-26b4-4f1e-9f0d-93d1054eaa4b","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/75","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:54:27.025Z"}],"sources":[{"listingId":"508e3c47-26b4-4f1e-9f0d-93d1054eaa4b","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/charges/75","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:54:27.025Z","lastSeenAt":"2026-04-25T22:32:33.382Z"}],"details":{"listingId":"508e3c47-26b4-4f1e-9f0d-93d1054eaa4b","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/75 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -d '{}'","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/75"},{"claim":"All endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/75"}],"useCases":["Programmatic Stripe charge creation or lookup via a pay-per-call model","Agent-driven payment processing without managing API keys","Integrating Stripe functionality into x402-compatible agent workflows"],"bestFor":["Developers wanting keyless, pay-per-use access to Stripe-related functionality","AI agents that can settle x402 payments in USDC on Base","Prototyping payment flows without Stripe account setup"],"notFor":["Production payment processing requiring well-documented, auditable APIs","Use cases needing detailed request/response schemas and error handling documentation","High-volume Stripe integrations where direct Stripe API access is cheaper and better supported"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:55.496Z"},"updatedAt":"2026-04-25T22:32:33.382Z"}}