{"id":"830e6d09-46ee-4c57-9bfe-df273bf01929","shortId":"tSN4Uz","kind":"x402","title":"x402-gated PayPal payments endpoint on Base, pay $0.02 per request in USDC.","tagline":"x402-gated PayPal payments endpoint on Base, pay $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" resource at `/api/v1/paypal/payments/81`. It is part of a broader platform offering dozens of x402-gated API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request, settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/paypal/payments/81` sits under what appears to be a PayPal payments path, but the platform provides no documentation explaining what this endpoint actually returns or accepts as input. The x402 challenge confirms it is live, accepts POST requests, and requires an exact payment of 20,000 base units of USDC (0x8335…0913 on Base, 6 decimals → $0.02) to the address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3. The timeout is 300 seconds.\n\nDocumentation across the site is extremely sparse — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI spec, no request/response schema, and no explanation of what data this particular endpoint provides. The platform advertises no API keys, no rate limits, and instant access, but without documentation it is unclear what payload to send or what response to expect.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","paypal-payments","per-request-pricing","no-api-key"],"categories":["finance","payments"],"synonyms":["paypal payment api","x402 paypal","low fee payment api","usdc payment endpoint","base network api","micropayment api","pay-per-call api"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet'","No OpenAPI or request/response schema provided for this endpoint","The purpose of /api/v1/paypal/payments/81 is unclear — the path suggests PayPal integration but nothing confirms what it actually does","No examples of successful responses available","Platform appears to list many endpoints but none have visible documentation"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/81","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/paypal/payments/81","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.200","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is zero documentation on what it does, what input it expects, or what it returns. The docs/pricing/README pages are all blank beyond a wallet-connect prompt. No OpenAPI spec, no examples, no request/response schema. The endpoint path suggests PayPal payments but nothing confirms 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'0.02':10,24,69,137 '000':126 '0913':132 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':141 '0x8335':131 '20':125 '300':145 '6':135 'accept':106,116 'access':37,201 'across':148 'actual':103 'address':140 'advertis':192 'ai/ml':59 'analyt':58 'api':36,54,156,194 'appear':86 'base':8,22,77,127,134 'base network api' 'base-network' 'broader':46 'challeng':111 'confirm':112 'connect':165 'content':171 'data':57,62,185 'decim':136 'doc':155 'document':98,147,204 'dozen':49 'endpoint':6,20,30,55,81,102,188 'exact':122 'expect':216 'explain':99 'explan':182 'extrem':152 'finance/web3':61 'gate':3,17,53 'infer':60 'infrastructur':64 'input':108 'instant':200 'key':195 'limit':198 'live':115 'low fee payment api' 'lowpaymentfee.com':32 'micropayment api' 'network':78 'no-api-key' 'offer':48 'openapi':175 'page':160 'part':43 'particular':187 'path':92 'pay':9,23 'pay-per-call api' 'payload':209 'payment':5,19,91,123 'paypal':4,18,90 'paypal payment api' 'paypal-payments' 'per':11,25,70 'per-request-pricing' 'platform':47,95,191 'post':117 'premium':35 'price':67,157 'prompt':167 'provid':33,96,189 'rate':197 'readm':159 'render':162 'request':12,26,71,118 'request/response':178 'requir':120 'resourc':38 'respons':214 'return':104 'schema':179 'second':146 'send':211 'settl':72 'sit':83 'site':150 'span':56 'spars':153 'spec':176 'specif':80 'substant':170 'timeout':143 'unclear':207 'unit':128 'usdc':14,28,74,130 'usdc payment endpoint' 'usdc-settlement' 'util':65 'wallet':166 'without':203 'x402':2,16,52,110 'x402 paypal' 'x402-gated':1,15,51 'x402-payment'","prices":[{"id":"3a2ec97c-9a66-4c5a-b866-5e75b252d958","listingId":"830e6d09-46ee-4c57-9bfe-df273bf01929","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/paypal/payments/81","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:19.851Z"}],"sources":[{"listingId":"830e6d09-46ee-4c57-9bfe-df273bf01929","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/81","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:19.851Z","lastSeenAt":"2026-04-23T12:31:31.113Z"}],"details":{"listingId":"830e6d09-46ee-4c57-9bfe-df273bf01929","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/81 \\\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 requiring 20,000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/81"},{"claim":"The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/81"},{"claim":"Docs, API, pricing, and README pages render only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatic PayPal payment processing via x402 micropayments","Agent-initiated payment operations without API key management","Pay-per-call access to payment infrastructure on Base"],"bestFor":["Developers wanting keyless, pay-per-use payment API access","AI agents that can settle x402 challenges in USDC on Base","Prototyping payment flows without subscription commitments"],"notFor":["Production payment systems requiring documented, stable APIs with SLAs","Users needing detailed API documentation and request/response schemas","Non-crypto users who cannot settle USDC payments on Base"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.418Z"},"updatedAt":"2026-04-23T12:31:31.113Z"}}