{"id":"c7e47204-6edc-48a1-b02a-fdf0a7455d76","shortId":"dUvSud","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/18`. 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 by the x402 payment protocol on the Base network.\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 via the x402 \"exact\" scheme with a 300-second timeout. No API keys or rate limits are advertised; access is granted purely through per-call micropayments settled on-chain.\n\nThe platform's landing page lists a uniform $0.02/request pricing model across all endpoints. However, documentation pages (docs, pricing, README) returned only a \"Connect wallet\" prompt with no substantive content, so the actual behavior and response format of this particular PayPal payments endpoint remain unclear. The endpoint name suggests it may relate to PayPal payment processing or data retrieval, but no schema, examples, or detailed documentation were found to confirm this.","tags":[],"capabilities":["x402-payment-gated","per-call-micropayment","base-network","usdc-settlement","paypal-payments","post-endpoint"],"categories":["finance","payments"],"synonyms":["paypal payment api","x402 paypal","micropayment api","pay-per-call payments","lowpaymentfee paypal","base usdc api"],"warnings":["No documentation available — all doc pages return only a 'Connect wallet' prompt with no content","No request or response schema provided; the actual functionality of /api/v1/paypal/payments/18 is unknown","The endpoint name references PayPal but there is no confirmation of what data or actions it provides","No OpenAPI spec, no examples, no error documentation found"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/18","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/18","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) with clear pricing ($0.02 USDC on Base), but there is no documentation, no request/response schema, and no explanation of what the endpoint actually does. The docs, pricing, and README pages all returned only 'Connect wallet' with no content. The endpoint path suggests PayPal payment functionality but this is 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'/request':13,28,155 '0.02':12,27,105,154 '000':94 '0x8335':99 '20':93 '2913':100 '300':122 '6':110 'accept':86 'access':39,133 'across':61,158 'actual':179 'advertis':132 'ai/ml':66 'analyt':65 'api':38,59,126 'base':9,24,81,95,102 'base usdc api' 'base-network' 'behavior':180 'broader':50 'call':4,19,58,140 'categori':62 'chain':145 'confirm':216 'connect':170 'content':176 'data':64,204 'decim':111 'detail':211 'doc':164 'document':162,212 'dozen':53 'endpoint':7,22,32,60,85,160,189,193 'equal':104 'exact':118 'exampl':209 'financ':68 'format':183 'found':214 'gate':73 'grant':135 'howev':161 'infer':67 'infrastructur':70 'key':127 'land':149 'like':63 'limit':130 'list':151 'lowpaymentfee paypal' 'lowpaymentfee.com':34 'made':114 'may':197 'micropay':141 'micropayment api' 'model':157 'name':194 'network':82 'offer':52 'on-chain':143 'page':150,163 'part':47 'particular':186 'path':43 'pay':2,17,56 'pay-per-cal':1,16,55 'pay-per-call payments' 'payment':6,21,77,112,188,201 'paypal':5,20,187,200 'paypal payment api' 'paypal-payments' 'per':3,18,57,106,139 'per-cal':138 'per-call-micropayment' 'platform':51,147 'post':87 'post-endpoint' 'premium':37 'price':91,156,165 'process':202 'prompt':172 'protocol':78 'provid':35 'pure':136 'rate':129 'readm':166 'relat':198 'remain':190 'request':88,107 'resourc':40 'respons':182 'retriev':205 'return':167 'schema':208 'scheme':119 'second':123 'settl':142 'specif':84 'substant':175 'suggest':195 'timeout':124 'unclear':191 'uniform':153 'unit':96 'usdc':15,30,98,108 'usdc-settlement' 'use':109 'util':71 'via':10,25,115 'wallet':171 'x402':11,26,76,117 'x402 paypal' 'x402-payment-gated'","prices":[{"id":"f091f02c-4b0e-4b3f-a4ef-12057e0ce864","listingId":"c7e47204-6edc-48a1-b02a-fdf0a7455d76","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/18","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:02.335Z"}],"sources":[{"listingId":"c7e47204-6edc-48a1-b02a-fdf0a7455d76","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/18","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:02.335Z","lastSeenAt":"2026-04-23T17:31:52.513Z"}],"details":{"listingId":"c7e47204-6edc-48a1-b02a-fdf0a7455d76","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/18 \\\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 advertising 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/18"},{"claim":"Platform advertises $0.02/request uniform pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/18"}],"useCases":["Programmatic PayPal payment processing or data retrieval via a single micropayment-gated call","Agent-driven payment workflows where no API key provisioning is desired","Integrating PayPal-related functionality into crypto-native applications on Base"],"bestFor":["Developers wanting keyless, pay-per-call access to PayPal-related functionality","AI agents that can settle x402 micropayments on Base","Projects needing low-cost ($0.02) per-request payment endpoints without subscriptions"],"notFor":["Users who need detailed API documentation or guaranteed SLAs before integrating","High-volume use cases where per-call on-chain settlement overhead is impractical","Anyone needing non-USDC or non-Base payment options"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:05.258Z"},"updatedAt":"2026-04-23T17:31:52.513Z"}}