{"id":"b0a4d915-541d-4d25-bae5-84f142607f0f","shortId":"hZ2mbQ","kind":"x402","title":"x402-gated premium API access on Base, paid per-call in USDC at $0.02/request.","tagline":"x402-gated premium API access on Base, paid per-call in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides \"Premium API Access\" behind an x402 paywall. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a variety of API categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. All endpoints on the platform share a uniform pricing model of $0.02 per request, settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/stripe/charges/167` does not have detailed documentation beyond its title \"Premium API Access.\" The x402 challenge confirms it is live, accepts POST requests, and requires payment of up to 20,000 base units of USDC (0x8335…) on Base — which equals $0.02 given USDC's 6 decimals. Payment is made via the x402 exact scheme to the address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3, with a 300-second timeout. The response MIME type is application/json.\n\nThe platform advertises no API keys, no rate limits, and instant access. However, documentation pages (/docs, /pricing, /api, /README) all returned only a \"Connect wallet\" prompt with no substantive content, so the actual behavior and response schema of this specific endpoint remain unknown. The endpoint path suggests it may relate to Stripe charge data or operations, but this is speculative based solely on the URL structure.","tags":[],"capabilities":["x402-payment","usdc-base","per-call-pricing","json-response","post-method"],"categories":["api","payments"],"synonyms":["premium API","x402 endpoint","pay-per-call API","USDC API","Base network API","lowpaymentfee","stripe charges API"],"warnings":["No documentation available — all doc pages (/docs, /pricing, /api, /README) return only a 'Connect wallet' prompt with no substantive content.","The actual functionality and response schema of this specific endpoint (/api/v1/stripe/charges/167) are unknown; the 'Premium API Access' title is vague.","The URL path references 'stripe/charges' but the relationship to Stripe is unclear and may be misleading.","No OpenAPI spec, no input/output schema beyond MIME type application/json."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stripe/charges/167","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/167","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 no documentation, no OpenAPI schema, no example requests or responses, and the actual functionality behind 'Premium API Access' is completely undocumented. All doc pages return only 'Connect wallet' with no 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'/api/v1/stripe/charges/167':100 '/docs':183 '/pricing':184 '/readme':186 '/request':17,34 '0.02':16,33,87,139 '000':129 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':156 '0x8335':134 '20':128 '300':159 '6':143 'Base network API' 'USDC API' 'accept':119 'access':6,23,42,111,179 'actual':200 'address':155 'advertis':170 'ai':68 'analyt':67 'api':5,22,41,63,110,172 'application/json':167 'base':8,25,95,130,136,228 'behavior':201 'behind':43 'beyond':106 'call':12,29 'categori':64 'challeng':114 'charg':220 'confirm':115 'connect':191 'content':197 'data':66,221 'decim':144 'detail':104 'document':105,181 'endpoint':36,52,77,99,208,212 'equal':138 'exact':151 'financ':71 'gate':3,20 'given':140 'host':59 'howev':180 'includ':65 'infrastructur':74 'instant':178 'json-response' 'key':173 'learn':70 'limit':176 'live':118 'lowpaymentfee' 'lowpaymentfee.com':38,56 'machin':69 'made':147 'mani':51 'may':216 'mime':164 'model':85 'network':96 'offer':53 'one':49 'oper':223 'page':182 'paid':9,26 'path':213 'pay-per-call API' 'payment':124,145 'paywal':46 'per':11,28,88 'per-cal':10,27 'per-call-pricing' 'platform':57,80,169 'post':120 'post-method' 'premium':4,21,40,109 'premium API' 'price':84 'prompt':193 'provid':39 'rate':175 'relat':217 'remain':209 'request':89,121 'requir':123 'respons':163,203 'return':188 'schema':204 'scheme':152 'second':160 'settl':90 'share':81 'sole':229 'specif':98,207 'specul':227 'stripe':219 'stripe charges API' 'structur':233 'substant':196 'suggest':214 'timeout':161 'titl':108 'type':165 'uniform':83 'unit':131 'unknown':210 'url':232 'usdc':14,31,92,133,141 'usdc-base' 'util':75 'varieti':61 'via':148 'wallet':192 'web3':72 'x402':2,19,45,113,150 'x402 endpoint' 'x402-gated':1,18 'x402-payment'","prices":[{"id":"bb7fa989-7561-4c1d-9866-88effcf11265","listingId":"b0a4d915-541d-4d25-bae5-84f142607f0f","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/167","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:54:08.947Z"}],"sources":[{"listingId":"b0a4d915-541d-4d25-bae5-84f142607f0f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stripe/charges/167","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:54:08.947Z","lastSeenAt":"2026-04-22T07:01:20.646Z"}],"details":{"listingId":"b0a4d915-541d-4d25-bae5-84f142607f0f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/167 \\\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 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/167"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stripe/charges/167"},{"claim":"Documentation pages return only 'Connect wallet' with no content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Accessing a premium API resource with per-call USDC micropayments on Base","Agent-driven API consumption without API keys or subscriptions","Programmatic access to a pay-as-you-go service settled on-chain"],"bestFor":["Developers wanting keyless, pay-per-use API access","AI agents with x402-compatible payment capabilities","Users who prefer on-chain USDC micropayments over traditional billing"],"notFor":["Users needing detailed API documentation or guaranteed SLAs","Anyone requiring non-crypto payment methods","Use cases requiring known, well-documented response schemas"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:56.255Z"},"updatedAt":"2026-04-22T07:01:20.646Z"}}