{"id":"f790c2a9-9727-4241-9c89-d8568aabffd1","shortId":"69bzVV","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 payment wall. 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/168` sits under the Stripe charges path, suggesting it proxies or wraps Stripe charge-related functionality. However, no detailed documentation, request schema, or response schema is available — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further 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.\n\nThe platform advertises no API keys, no rate limits, and instant access. Payment is made via the x402 protocol's X-PAYMENT header. The payTo address is `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3`. Without documentation on what this specific endpoint accepts or returns, agents should treat it as an opaque POST endpoint that likely returns JSON (`mimeType: application/json`). The lack of input/output schema documentation is a significant gap.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","stripe-charges","json-response","no-api-key"],"categories":["finance","infrastructure"],"synonyms":["stripe charge API","payment processing API","x402 endpoint","USDC micropayment API","lowpaymentfee","Base network API","pay-per-call API"],"warnings":["No request or response schema documented — endpoint behavior is opaque","All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no content","The endpoint path '/api/v1/stripe/charges/168' suggests Stripe integration but no details confirm what it does","No OpenAPI spec or ai-plugin manifest available"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/charges/168","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/168","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, but there is zero documentation on request/response schemas, no OpenAPI spec, and the docs/pricing/README pages are empty beyond a wallet-connect prompt. The endpoint path suggests Stripe charge functionality but this is unverifiable. Effectively a stub 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'0.02':10,24,71,162 '000':152 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':196 '0x8335':157 '20':151 '402':142 '6':166 'Base network API' 'USDC micropayment API' 'accept':204 'access':36,179 'address':194 'advertis':170 'agent':207 'ai/ml':61 'analyt':60 'api':35,56,115,172 'application/json':221 'avail':112 'base':8,22,80,153,159 'behind':37 'broader':47 'call':55 'challeng':133 'charg':5,19,90,99 'charge-rel':98 'confirm':134 'connect':124 'content':130 'data':59,64 'decim':167 'detail':104 'doc':114 'document':105,198,227 'dozen':50 'endpoint':6,20,30,57,84,136,203,215 'equal':161 'exact':145 'finance/web3':63 'function':101 'gap':231 'gate':3,17 'given':163 'header':191 'howev':102 'infer':62 'input/output':225 'instant':178 'json':219 'json-response' 'key':173 'lack':223 'like':217 'limit':176 'live':138 'lowpaymentfee' 'lowpaymentfee.com':32 'made':182 'mimetyp':220 'network':81 'no-api-key' 'offer':49 'opaqu':213 'page':119 'part':44 'path':91 'pay':9,23,53 'pay-per-cal':52 'pay-per-call API' 'pay-per-request' 'payment':40,146,180,190 'payment processing API' 'payto':193 'per':11,25,54,72 'platform':48,169 'post':214 'premium':34 'price':69,116 'prompt':126 'protocol':186 'provid':33 'proxi':94 'rate':175 'readm':118 'relat':100 'render':121 'request':12,26,73,106 'requir':148 'respons':109 'return':140,206,218 'schema':107,110,226 'scheme':147 'servic':67 'settl':75 'signific':230 'sit':86 'span':58 'specif':83,202 'stripe':4,18,89,97 'stripe charge API' 'stripe-charges' 'suggest':92 'treat':209 'unit':154 'usdc':14,28,77,156,164 'usdc-base' 'util':66 'via':183 'wall':41 'wallet':125 'without':197 'wrap':96 'x':189 'x-payment':188 'x402':2,16,39,132,185 'x402 endpoint' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"fe8265ba-bf57-4cba-907e-d2fee061c7f7","listingId":"f790c2a9-9727-4241-9c89-d8568aabffd1","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/168","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:54:11.354Z"}],"sources":[{"listingId":"f790c2a9-9727-4241-9c89-d8568aabffd1","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/charges/168","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:54:11.354Z","lastSeenAt":"2026-04-25T23:32:33.461Z"}],"details":{"listingId":"f790c2a9-9727-4241-9c89-d8568aabffd1","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/168 \\\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":"Endpoint returns 402 with x402 challenge requiring up to 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/168"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/168"},{"claim":"Docs, API, pricing, and README pages show only 'Connect wallet'","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatically creating or retrieving Stripe charges via a pay-per-call model","Agents that need Stripe charge data without managing API keys","Integrating payment processing into workflows settled on-chain"],"bestFor":["Developers wanting keyless, pay-per-use access to Stripe charge functionality","AI agents that can settle x402 payments in USDC on Base","Prototyping payment flows without Stripe account setup"],"notFor":["Production Stripe integrations requiring full Stripe API coverage and SLAs","Use cases needing detailed documentation or guaranteed uptime","High-volume batch processing where $0.02/request adds up quickly"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:56.12Z"},"updatedAt":"2026-04-25T23:32:33.461Z"}}