{"id":"685e42e6-e610-4c52-8d23-11079ebd47fc","shortId":"rgrpW5","kind":"x402","title":"Pay-per-call PayPal payments endpoint on Base via x402, $0.02/request in USDC.","tagline":"Pay-per-call PayPal payments endpoint on Base via x402, $0.02/request in USDC.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" resource at the path `/api/v1/paypal/payments/57`. It is part of a broader platform offering dozens of pay-per-call API endpoints across categories like data analytics, AI/ML, finance, and infrastructure utilities — all gated by the x402 payment protocol on the Base network.\n\nThe specific endpoint accepts POST requests and charges up to 20,000 base units of USDC (contract `0x8335…2913` on Base), which equals $0.02 per request (USDC uses 6 decimals). Payment is made via the x402 `exact` scheme by including an `X-PAYMENT` header. No API keys or accounts are required; callers pay per request with no minimums or rate limits advertised.\n\nThe endpoint's name suggests it relates to PayPal payment processing, but the crawled documentation provides no further detail on what data or functionality this specific route returns. The broader site lists many endpoints at a uniform $0.02 price point, all settling on Base in USDC. Documentation pages (`/docs`, `/pricing`, `/api`, `/README`) returned only a \"Connect wallet\" prompt with no substantive content, so the actual request/response schema for this endpoint is unknown.","tags":[],"capabilities":["x402-payment","per-call-billing","usdc-settlement","base-network","paypal-payments","no-api-key","post-endpoint"],"categories":["finance","payments"],"synonyms":["paypal payment api","x402 paypal","micropayment paypal","pay-per-call payment endpoint","lowpaymentfee paypal","base usdc payment api"],"warnings":["No documentation available — all doc pages (/docs, /pricing, /api, /README) returned only 'Connect wallet' with no content","The actual request schema and response format for this endpoint are completely unknown","The purpose of '/paypal/payments/57' (and the significance of '57') is not documented anywhere","No OpenAPI spec, no examples, no error codes documented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/57","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/57","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on what this endpoint actually does, what request body it expects, or what it returns. All doc pages render only 'Connect wallet' with no content. The endpoint name 'paypal/payments/57' is suggestive but 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'/api/v1/paypal/payments/57':44 '/docs':193 '/pricing':194 '/readme':196 '/request':13,28 '0.02':12,27,105,182 '000':93 '0x8335':99 '20':92 '2913':100 '6':110 'accept':85 'access':39 'account':131 'across':61 'actual':209 'advertis':144 'ai/ml':66 'analyt':65 'api':38,59,128 'base':9,24,80,94,102,188 'base usdc payment api' 'base-network' 'broader':50,174 'call':4,19,58 'caller':134 'categori':62 'charg':89 'connect':200 'content':206 'contract':98 'crawl':158 'data':64,166 'decim':111 'detail':163 'document':159,191 'dozen':53 'endpoint':7,22,32,60,84,146,178,214 'equal':104 'exact':118 'financ':67 'function':168 'gate':72 'header':126 'includ':121 'infrastructur':69 'key':129 'like':63 'limit':143 'list':176 'lowpaymentfee paypal' 'lowpaymentfee.com':34 'made':114 'mani':177 'micropayment paypal' 'minimum':140 'name':148 'network':81 'no-api-key' 'offer':52 'page':192 'part':47 'path':43 'pay':2,17,56,135 'pay-per-cal':1,16,55 'pay-per-call payment endpoint' 'payment':6,21,76,112,125,154 'paypal':5,20,153 'paypal payment api' 'paypal-payments' 'per':3,18,57,106,136 'per-call-billing' 'platform':51 'point':184 'post':86 'post-endpoint' 'premium':37 'price':183 'process':155 'prompt':202 'protocol':77 'provid':35,160 'rate':142 'relat':151 'request':87,107,137 'request/response':210 'requir':133 'resourc':40 'return':172,197 'rout':171 'schema':211 'scheme':119 'settl':186 'site':175 'specif':83,170 'substant':205 'suggest':149 'uniform':181 'unit':95 'unknown':216 'usdc':15,30,97,108,190 'usdc-settlement' 'use':109 'util':70 'via':10,25,115 'wallet':201 'x':124 'x-payment':123 'x402':11,26,75,117 'x402 paypal' 'x402-payment'","prices":[{"id":"184558fb-6da8-42da-bd7f-7fcebb18501e","listingId":"685e42e6-e610-4c52-8d23-11079ebd47fc","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/57","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:21.071Z"}],"sources":[{"listingId":"685e42e6-e610-4c52-8d23-11079ebd47fc","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/57","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:21.071Z","lastSeenAt":"2026-04-23T12:31:31.141Z"}],"details":{"listingId":"685e42e6-e610-4c52-8d23-11079ebd47fc","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/57 \\\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 USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/57"},{"claim":"maxAmountRequired is 20000 base units of USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/57"},{"claim":"Platform advertises $0.02/request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages return only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatically triggering or querying PayPal payment operations without traditional API key management","Agent-driven payment workflows where per-call crypto billing replaces subscription models","Integrating PayPal payment data into automated pipelines that settle costs in USDC on Base"],"bestFor":["Developers wanting keyless, pay-per-use access to a PayPal-related endpoint","AI agents that can settle x402 payments on Base in USDC","Low-volume or sporadic callers who prefer per-request pricing over subscriptions"],"notFor":["Users needing detailed API documentation or guaranteed SLAs before integrating","High-volume production workloads where $0.02/request adds up without volume discounts","Anyone requiring non-crypto payment methods"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.351Z"},"updatedAt":"2026-04-23T12:31:31.141Z"}}