{"id":"b7381591-c9f8-4663-8f21-eb926d8c05ee","shortId":"XfdgcS","kind":"x402","title":"Pay-per-call Stripe integration secret endpoint via x402 on Base (USDC).","tagline":"Pay-per-call Stripe integration secret endpoint via x402 on Base (USDC).","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" resource at `/api/v1/integrations/stripe/secret`, settled via the x402 protocol on the Base network using USDC. The x402 challenge is live and returns a 402 with an exact-payment scheme requiring up to 20,000 base units of USDC (0.02 USD per request, since USDC uses 6 decimals). Payment is made to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3`.\n\nThe broader lowpaymentfee.com platform advertises a suite of pay-per-call APIs across categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities — all priced at $0.02 per request with no API keys, no rate limits, and no commitments. However, this specific endpoint (`/api/v1/integrations/stripe/secret`) is not listed among the publicly advertised APIs on the landing page, and its exact functionality is unclear from available documentation. The name suggests it may return a Stripe-related secret or configuration, but no request/response schema, parameter documentation, or usage examples are provided.\n\nBecause the endpoint's actual behavior and output are undocumented, agents should treat this as a low-information listing. The x402 challenge is confirmed live, the price is clear ($0.02 USDC on Base), and the protocol mechanics are standard, but what the endpoint actually returns remains unknown.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-call","stripe-integration","no-api-key"],"categories":["payments","infrastructure"],"synonyms":["stripe secret","stripe integration","x402 stripe","lowpaymentfee","pay-per-request API","USDC micropayment","base network API"],"warnings":["No documentation or schema available for this specific endpoint","Endpoint purpose ('stripe/secret') is unclear — not listed on the provider's public API catalog","No example request or response bodies available","No OpenAPI spec, ai-plugin manifest, or robots/agents.txt found"],"endpointUrl":"https://lowpaymentfee.com/api/v1/integrations/stripe/secret","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/integrations/stripe/secret","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is no documentation, no request/response schema, and the endpoint's actual functionality is unknown. The endpoint is not listed among the site's publicly advertised APIs, making it effectively a stub 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'0.02':74,118,211 '000':69 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':88 '20':68 '402':58 '6':81 'USDC micropayment' 'access':35 'across':102 'actual':185,225 'address':87 'advertis':93,142 'agent':191 'ai':107 'among':139 'analyt':106 'api':34,101,123,143 'avail':155 'base':12,25,46,70,214 'base network API' 'behavior':186 'broader':90 'call':4,17,100 'categori':103 'challeng':52,203 'clear':210 'commit':130 'configur':169 'confirm':205 'data':105 'decim':82 'document':156,175 'endpoint':8,21,28,134,183,224 'exact':62,150 'exact-pay':61 'exampl':178 'financ':110 'function':151 'howev':131 'includ':104 'inform':199 'infrastructur':113 'integr':6,19 'key':124 'land':146 'learn':109 'limit':127 'list':138,200 'live':54,206 'low':198 'low-inform':197 'lowpaymentfee' 'lowpaymentfee.com':30,91 'machin':108 'made':85 'may':161 'mechan':218 'name':158 'network':47 'no-api-key' 'output':188 'page':147 'paramet':174 'pay':2,15,98 'pay-per-cal':1,14,97 'pay-per-call' 'pay-per-request API' 'payment':63,83 'per':3,16,76,99,119 'platform':92 'premium':33 'price':116,208 'protocol':43,217 'provid':31,180 'public':141 'rate':126 'relat':166 'remain':227 'request':77,120 'request/response':172 'requir':65 'resourc':36 'return':56,162,226 'schema':173 'scheme':64 'secret':7,20,167 'settl':39 'sinc':78 'specif':133 'standard':220 'stripe':5,18,165 'stripe integration' 'stripe secret' 'stripe-integration' 'stripe-rel':164 'suggest':159 'suit':95 'treat':193 'unclear':153 'undocu':190 'unit':71 'unknown':228 'usag':177 'usd':75 'usdc':13,26,49,73,79,212 'usdc-base' 'use':48,80 'util':114 'via':9,22,40 'web3':111 'x402':10,23,42,51,202 'x402 stripe' 'x402-payment'","prices":[{"id":"9bb42913-db4d-4d5c-a50a-3eb005d59b11","listingId":"b7381591-c9f8-4663-8f21-eb926d8c05ee","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/integrations/stripe/secret","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:23.274Z"}],"sources":[{"listingId":"b7381591-c9f8-4663-8f21-eb926d8c05ee","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/integrations/stripe/secret","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:23.274Z","lastSeenAt":"2026-04-22T01:02:18.511Z"}],"details":{"listingId":"b7381591-c9f8-4663-8f21-eb926d8c05ee","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/integrations/stripe/secret \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The x402 challenge returns a 402 with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/integrations/stripe/secret"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/integrations/stripe/secret"},{"claim":"All listed APIs on the platform are priced at $0.02 per request with no API keys, no rate limits","source_url":"https://lowpaymentfee.com"},{"claim":"The platform advertises APIs across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving a Stripe-related secret or token via a single micropayment","Programmatic access to Stripe integration data without traditional API key management","Agent-driven payment flows that need Stripe configuration on demand"],"bestFor":["Agents that need Stripe integration secrets on a pay-per-call basis","Developers exploring x402 micropayment-gated APIs","Use cases requiring keyless, per-request billing on Base/USDC"],"notFor":["Users who need documented request/response schemas before integrating","High-volume Stripe operations where a direct Stripe API key is more cost-effective","Anyone needing non-USDC or non-Base settlement"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:06.05Z"},"updatedAt":"2026-04-22T01:02:18.511Z"}}