{"id":"2e6d5df5-e80c-4397-bec1-332546a2fdfd","shortId":"rXskFF","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\" via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a variety of pay-per-call APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per request settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/stripe/charges/197` sits under a \"Stripe charges\" path, suggesting it proxies or wraps Stripe charge-related functionality. However, no detailed documentation, request schema, or response schema is available from the crawled material — the docs, API, pricing, and README pages all returned only a \"Connect wallet\" prompt with no substantive content. The x402 challenge confirms the endpoint is live: it returns a 402 with an `exact` payment scheme requiring up to 20,000 base units of USDC (0x8335… on Base), which equals $0.02 given USDC's 6 decimals. Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout.\n\nBecause the endpoint's actual input/output behavior is undocumented and the path name is the only hint at functionality, agents should treat this as an exploratory integration. The platform advertises no API keys, no rate limits, and instant access, but without concrete request/response examples or OpenAPI specs, the exact capabilities remain unclear.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","stripe-charges-proxy"],"categories":["finance","infrastructure"],"synonyms":["stripe charges API","x402 payment endpoint","USDC micropayment API","pay-per-call API","lowpaymentfee","Base network API","crypto-paid API"],"warnings":["No OpenAPI or request/response schema available — endpoint behavior must be discovered experimentally","All documentation pages (docs, API, pricing, README) returned only 'Connect wallet' with no content","The specific purpose of '/api/v1/stripe/charges/197' is unclear; the path suggests Stripe charge operations but nothing is confirmed","This endpoint is not listed on the provider's own landing page among their advertised APIs"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/charges/197","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/197","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live via a valid 402 x402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation beyond a landing page listing, and the docs/pricing/README pages are all empty (wallet-connect only). The actual functionality behind '/api/v1/stripe/charges/197' is entirely 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'0.02':10,24,77,171 '000':161 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':182 '0x8335':166 '20':160 '300':185 '402':151 '6':175 'Base network API' 'USDC micropayment API' 'access':36,226 'actual':192 'address':181 'advertis':217 'agent':207 'ai':66 'analyt':65 'api':35,62,124,219 'avail':117 'base':8,22,85,162,168 'base-network' 'behavior':194 'call':61 'capabl':237 'challeng':142 'charg':5,19,95,104 'charge-rel':103 'concret':229 'confirm':143 'connect':133 'content':139 'crawl':120 'crypto-paid API' 'data':64 'decim':176 'detail':109 'doc':123 'document':110 'endpoint':6,20,30,47,89,145,190 'equal':170 'exact':154,236 'exampl':231 'exploratori':213 'financ':69 'function':106,206 'gate':3,17 'given':172 'hint':204 'host':54 'howev':107 'infrastructur':72 'input/output':193 'instant':225 'integr':214 'key':220 'learn':68 'limit':223 'live':147 'lowpaymentfee' 'lowpaymentfee.com':32,51 'machin':67 'mani':46 'materi':121 'name':200 'network':86 'offer':48 'one':44 'openapi':233 'page':128 'path':96,199 'pay':9,23,59 'pay-per-cal':58 'pay-per-call API' 'pay-per-request' 'payment':40,155,177 'per':11,25,60,78 'platform':52,216 'premium':34 'price':75,125 'prompt':135 'protocol':41 'provid':33 'proxi':99 'rate':222 'readm':127 'relat':105 'remain':238 'request':12,26,79,111 'request/response':230 'requir':157 'respons':114 'return':130,149 'schema':112,115 'scheme':156 'second':186 'sent':179 'settl':80 'sit':91 'span':63 'spec':234 'specif':88 'stripe':4,18,94,102 'stripe charges API' 'stripe-charges-proxy' 'substant':138 'suggest':97 'timeout':187 'treat':209 'unclear':239 'undocu':196 'unit':163 'usdc':14,28,82,165,173 'usdc-settlement' 'util':73 'varieti':56 'via':37 'wallet':134 'web3':70 'without':228 'wrap':101 'x402':2,16,39,141 'x402 payment endpoint' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"847d891c-0287-482c-853b-c2821b5e739e","listingId":"2e6d5df5-e80c-4397-bec1-332546a2fdfd","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/197","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:54:23.455Z"}],"sources":[{"listingId":"2e6d5df5-e80c-4397-bec1-332546a2fdfd","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/charges/197","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:54:23.455Z","lastSeenAt":"2026-04-25T22:32:33.251Z"}],"details":{"listingId":"2e6d5df5-e80c-4397-bec1-332546a2fdfd","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/197 \\\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 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/197"},{"claim":"All listed APIs 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":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/197"}],"useCases":["Programmatically creating or retrieving Stripe charge data via a crypto-settled pay-per-call interface","Integrating payment-gated API access into autonomous agent workflows without API keys","Exploring x402 protocol integrations with USDC on Base"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing keyless, pay-per-request API access on Base","Projects that want to avoid traditional API key management"],"notFor":["Production workloads requiring documented request/response schemas","Use cases needing guaranteed SLAs or support contracts","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:55.614Z"},"updatedAt":"2026-04-25T22:32:33.251Z"}}