{"id":"dcd179d2-efd6-4211-90d5-7e9f874defde","shortId":"unVzpZ","kind":"x402","title":"Pay-per-call PayPal payments endpoint via x402 on Base, settled in USDC at $0.02/request.","tagline":"Pay-per-call PayPal payments endpoint via x402 on Base, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" service at the path `/api/v1/paypal/payments/12`. It is part of a broader platform offering dozens of pay-per-call API endpoints across categories like data analytics, AI/ML inference, finance, and infrastructure utilities — all gated via the x402 payment protocol on the Base network using USDC.\n\nThe specific endpoint accepts POST requests and is priced at 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 per request (USDC uses 6 decimals). Payment is made inline via the X-PAYMENT header per the x402 protocol; no API keys or accounts are required. The x402 challenge confirms the endpoint is live and returns `application/json` responses.\n\nThe endpoint's path suggests it relates to PayPal payment processing, but no detailed documentation, request schema, or response schema is available — the docs, pricing, and API pages all resolve to a minimal \"Connect wallet\" prompt. Without further documentation it is unclear exactly what data or action this endpoint provides beyond its title \"Premium API Access.\" The platform advertises no rate limits and instant access for all its endpoints.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-call","no-api-key","paypal-payments","json-response"],"categories":["finance","payments"],"synonyms":["paypal payment api","x402 paypal","crypto payment gateway","usdc pay-per-call","lowpaymentfee","base network api","micropayment api"],"warnings":["No request or response schema available — endpoint behavior must be discovered empirically","Documentation pages (/docs, /pricing, /api, /README) all return only a 'Connect wallet' prompt with no useful content","The endpoint path suggests PayPal payment functionality but no details confirm what data or actions are supported","The specific resource path '/payments/12' includes a hardcoded ID whose meaning is undocumented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/12","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/12","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02/request in USDC on Base), but there is no request/response schema, no documentation beyond a landing page listing, and the actual functionality of this specific endpoint is ambiguous. Effectively a stub 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'/request':17,34 '0.02':16,33,111 '000':100 '0x8335':105 '20':99 '2913':106 '6':116 'accept':92 'access':43,206,215 'account':136 'across':65 'action':197 'advertis':209 'ai/ml':70 'analyt':69 'api':42,63,133,177,205 'application/json':149 'avail':172 'base':11,28,85,101,108 'base network api' 'base-network' 'beyond':201 'broader':54 'call':4,21,62 'categori':66 'challeng':141 'confirm':142 'connect':184 'crypto payment gateway' 'data':68,195 'decim':117 'detail':164 'doc':174 'document':165,189 'dozen':57 'endpoint':7,24,36,64,91,144,152,199,219 'equal':110 'exact':193 'financ':72 'gate':77 'header':127 'infer':71 'infrastructur':74 'inlin':121 'instant':214 'json-response' 'key':134 'like':67 'limit':212 'live':146 'lowpaymentfee' 'lowpaymentfee.com':38 'made':120 'micropayment api' 'minim':183 'network':86 'no-api-key' 'offer':56 'page':178 'part':51 'path':47,154 'pay':2,19,60 'pay-per-cal':1,18,59 'pay-per-call' 'payment':6,23,81,118,126,160 'paypal':5,22,159 'paypal payment api' 'paypal-payments' 'per':3,20,61,112,128 'platform':55,208 'post':93 'premium':41,204 'price':97,175 'process':161 'prompt':186 'protocol':82,131 'provid':39,200 'rate':211 'relat':157 'request':94,113,166 'requir':138 'resolv':180 'respons':150,169 'return':148 'schema':167,170 'servic':44 'settl':12,29 'specif':90 'suggest':155 'titl':203 'unclear':192 'unit':102 'usdc':14,31,88,104,114 'usdc pay-per-call' 'usdc-settlement' 'use':87,115 'util':75 'via':8,25,78,122 'wallet':185 'without':187 'x':125 'x-payment':124 'x402':9,26,80,130,140 'x402 paypal' 'x402-payment'","prices":[{"id":"373ba47d-f371-4f4e-8ec0-6e925e22d9f2","listingId":"dcd179d2-efd6-4211-90d5-7e9f874defde","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/12","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:05.321Z"}],"sources":[{"listingId":"dcd179d2-efd6-4211-90d5-7e9f874defde","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/12","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:05.321Z","lastSeenAt":"2026-04-23T17:31:52.644Z"}],"details":{"listingId":"dcd179d2-efd6-4211-90d5-7e9f874defde","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/12 \\\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 a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/12"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/12"}],"useCases":["Programmatically triggering or querying PayPal payment information without traditional API key management","Agent-initiated payment operations settled via USDC on Base","Integrating PayPal payment data into crypto-native workflows"],"bestFor":["Developers wanting keyless, pay-per-call access to payment-related endpoints","AI agents that can settle x402 payments on Base in USDC","Users who prefer micropayment models over subscription-based API access"],"notFor":["Users needing detailed API documentation or guaranteed SLAs before integration","High-volume batch payment processing where per-call pricing is inefficient","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:05.05Z"},"updatedAt":"2026-04-23T17:31:52.644Z"}}