{"id":"272d0485-1d7b-4ae1-bfac-8cba3d66a6c1","shortId":"NKj6F5","kind":"x402","title":"x402-gated Stripe subscription management endpoint on Base, paid per-call in USDC.","tagline":"x402-gated Stripe subscription management endpoint on Base, paid per-call in USDC.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" resource at the path `/api/v1/stripe/subscriptions/30`. It is part of a broader platform that offers dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all gated via the x402 payment protocol on the Base network, settling in USDC.\n\nThe specific endpoint appears to relate to Stripe subscription management (based on the URL path), though no detailed documentation or request/response schema is available beyond the x402 challenge. The challenge advertises a maximum cost of 0.02 USDC per request (20,000 base units with 6 decimals for USDC), consistent with the platform's uniform $0.02/request pricing. Payment is made via the x402 \"exact\" scheme to a specified wallet address, with a 300-second timeout.\n\nThe platform emphasizes simplicity: no API keys, no rate limits, no commitments, and instant access. However, documentation pages (/docs, /pricing, /api, /README) all returned only a \"Connect wallet\" prompt with no substantive content, so the actual request format, expected POST body, and response structure for this endpoint are unknown. Without documentation or an OpenAPI spec, callers will need to experiment or contact the provider to understand what data to send and what to expect back.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","stripe-subscriptions","pay-per-call","no-api-key"],"categories":["finance","infrastructure"],"synonyms":["stripe subscription API","x402 payment endpoint","USDC micropayment API","pay-per-call subscription","lowpaymentfee","Base network API","crypto-gated API"],"warnings":["No documentation available — all doc pages (/docs, /pricing, /api, /README) return only 'Connect wallet' with no content","No OpenAPI or request/response schema provided; callers cannot know what POST body to send","Endpoint purpose inferred solely from URL path '/api/v1/stripe/subscriptions/30' — actual functionality unverified","No examples of successful responses available"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/subscriptions/30","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/subscriptions/30","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 no documentation, no OpenAPI spec, no request/response schema, and all doc pages are empty stubs. The purpose of the endpoint (Stripe subscriptions) is inferred solely from the URL path. This is effectively a stub 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'/api/v1/stripe/subscriptions/30':44 '/docs':178 '/pricing':179 '/readme':181 '/request':140 '0.02':120,139 '000':125 '20':124 '300':157 '6':129 'Base network API' 'USDC micropayment API' 'access':39,174 'actual':195 'address':154 'advertis':115 'ai/ml':64 'analyt':63 'api':38,60,165 'appear':88 'avail':108 'back':234 'base':9,24,80,95,126 'base-network' 'beyond':109 'bodi':200 'broader':50 'call':13,28,59 'caller':215 'challeng':112,114 'commit':171 'connect':186 'consist':133 'contact':221 'content':192 'cost':118 'crypto':67 'crypto-gated API' 'data':62,227 'decim':130 'detail':102 'document':103,176,210 'dozen':54 'emphas':162 'endpoint':7,22,32,87,206 'exact':148 'expect':198,233 'experi':219 'financ':66 'format':197 'gate':3,18,72 'howev':175 'infer':65 'instant':173 'key':166 'limit':169 'lowpaymentfee' 'lowpaymentfee.com':34 'made':144 'manag':6,21,94 'maximum':117 'need':217 'network':81 'no-api-key' 'offer':53 'openapi':213 'page':177 'paid':10,25 'part':47 'path':43,99 'pay':57 'pay-per-cal':56 'pay-per-call' 'pay-per-call subscription' 'payment':76,142 'per':12,27,58,122 'per-cal':11,26 'platform':51,136,161 'post':199 'premium':37 'price':141 'prompt':188 'protocol':77 'provid':35,223 'rate':168 'relat':90 'request':123,196 'request/response':105 'resourc':40 'respons':202 'return':183 'schema':106 'scheme':149 'second':158 'send':229 'servic':70 'settl':82 'simplic':163 'span':61 'spec':214 'specif':86 'specifi':152 'stripe':4,19,92 'stripe subscription API' 'stripe-subscriptions' 'structur':203 'subscript':5,20,93 'substant':191 'though':100 'timeout':159 'understand':225 'uniform':138 'unit':127 'unknown':208 'url':98 'usdc':15,30,84,121,132 'usdc-settlement' 'util':69 'via':73,145 'wallet':153,187 'without':209 'x402':2,17,75,111,147 'x402 payment endpoint' 'x402-gated':1,16 'x402-payment'","prices":[{"id":"eda8984b-9d99-48a8-8520-6890dae5a69d","listingId":"272d0485-1d7b-4ae1-bfac-8cba3d66a6c1","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/subscriptions/30","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:56:43.415Z"}],"sources":[{"listingId":"272d0485-1d7b-4ae1-bfac-8cba3d66a6c1","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/subscriptions/30","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:56:43.415Z","lastSeenAt":"2026-04-25T04:03:28.000Z"}],"details":{"listingId":"272d0485-1d7b-4ae1-bfac-8cba3d66a6c1","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/30 \\\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 in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/stripe/subscriptions/30"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stripe/subscriptions/30"},{"claim":"Documentation pages return only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Managing or querying Stripe subscriptions via a crypto-gated API call","Integrating subscription billing workflows into agent pipelines without traditional API keys","Programmatic access to subscription data with per-call USDC micropayments"],"bestFor":["Agents or services that need Stripe subscription access without managing API keys","Developers experimenting with x402 pay-per-call patterns on Base","Workflows requiring low-friction, keyless API access settled in USDC"],"notFor":["Production use cases requiring well-documented request/response schemas","High-volume subscription management where $0.02/call adds up significantly","Users without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:48.916Z"},"updatedAt":"2026-04-25T04:03:28.000Z"}}