{"id":"0db0157d-b94e-4d18-8c7e-2f43bdd80fc9","shortId":"apZXPs","kind":"x402","title":"Pay-per-call PayPal payments endpoint on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call PayPal payments endpoint on Base via x402, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" service under the path `/api/v1/paypal/payments/66`. 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.\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 no API keys or rate limits required — callers simply attach an X-PAYMENT header with a valid payment proof. The payment timeout is 300 seconds.\n\nThe platform advertises a uniform $0.02/request pricing model across all its endpoints with no minimums or commitments. Documentation pages (/docs, /pricing, /README) appear to require a wallet connection and returned minimal content during crawl, so the actual request/response schemas for this particular PayPal payments endpoint are unknown. The endpoint's purpose — whether it initiates PayPal payments, retrieves payment data, or performs some other PayPal-related operation — cannot be confirmed from the available material.","tags":[],"capabilities":["x402-payment-gated","usdc-settlement","base-network","pay-per-call","paypal-payments","no-api-key","no-rate-limit"],"categories":["finance","payments"],"synonyms":["paypal api","payment processing","x402 paypal","low fee payments","micropayment api","usdc pay-per-call","base network api"],"warnings":["No request or response schema available — the actual behavior of this endpoint is unknown","Documentation pages (/docs, /pricing, /README) are gated behind wallet connection and returned no useful content","The endpoint name suggests PayPal integration but no details confirm what operation it performs","The platform lists many endpoints across diverse categories; quality and actual implementation of each is unverified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/66","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/66","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (returns a valid x402 402 challenge), and pricing is clear at $0.02/request in USDC on Base. However, there is no documentation of the request/response schema, no examples, and the actual functionality behind '/api/v1/paypal/payments/66' is entirely opaque. Docs pages all returned only 'Connect wallet' with no usable 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'/docs':171 '/pricing':172 '/readme':173 '/request':17,34,157 '0.02':16,33,109,156 '000':98 '0x8335':103 '20':97 '2913':104 '300':149 '6':114 'accept':90 'access':43 'across':65,160 'actual':188 'advertis':153 'ai/ml':70 'analyt':69 'api':42,63,126 'appear':174 'attach':134 'avail':224 'base':9,26,85,99,106 'base network api' 'base-network' 'broader':54 'call':4,21,62 'caller':132 'cannot':219 'categori':66 'commit':168 'confirm':221 'connect':179 'content':183 'crawl':185 'data':68,210 'decim':115 'document':169 'dozen':57 'endpoint':7,24,36,64,89,163,196,200 'equal':108 'exact':122 'financ':72 'gate':77 'header':139 'infer':71 'infrastructur':74 'initi':205 'key':127 'like':67 'limit':130 'low fee payments' 'lowpaymentfee.com':38 'made':118 'materi':225 'micropayment api' 'minim':182 'minimum':166 'model':159 'network':86 'no-api-key' 'no-rate-limit' 'offer':56 'oper':218 'page':170 'part':51 'particular':193 'path':47 'pay':2,19,60 'pay-per-cal':1,18,59 'pay-per-call' 'payment':6,23,81,116,138,143,146,195,207,209 'payment processing' 'paypal':5,22,194,206,216 'paypal api' 'paypal-payments' 'paypal-rel':215 'per':3,20,61,110 'perform':212 'platform':55,152 'post':91 'premium':41 'price':95,158 'proof':144 'protocol':82 'provid':39 'purpos':202 'rate':129 'relat':217 'request':92,111 'request/response':189 'requir':131,176 'retriev':208 'return':181 'schema':190 'scheme':123 'second':150 'servic':44 'settl':12,29 'simpli':133 'specif':88 'timeout':147 'uniform':155 'unit':100 'unknown':198 'usdc':14,31,102,112 'usdc pay-per-call' 'usdc-settlement' 'use':113 'util':75 'valid':142 'via':10,27,78,119 'wallet':178 'whether':203 'x':137 'x-payment':136 'x402':11,28,80,121 'x402 paypal' 'x402-payment-gated'","prices":[{"id":"99b5a231-e804-4bca-9703-5fb8db44141a","listingId":"0db0157d-b94e-4d18-8c7e-2f43bdd80fc9","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/66","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:19.230Z"}],"sources":[{"listingId":"0db0157d-b94e-4d18-8c7e-2f43bdd80fc9","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/66","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:19.230Z","lastSeenAt":"2026-04-23T12:31:31.094Z"}],"details":{"listingId":"0db0157d-b94e-4d18-8c7e-2f43bdd80fc9","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/66 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-proof>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns x402 402 challenge with maxAmountRequired of 20000 USDC base units on Base network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/66"},{"claim":"Platform advertises $0.02/request uniform pricing with no API keys, no rate limits, and no minimums","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/66"}],"useCases":["Programmatic PayPal payment operations without traditional API key management","Agent-initiated payment workflows settled in USDC on Base","Integrating PayPal payment functionality into crypto-native applications"],"bestFor":["Developers wanting keyless, pay-per-call access to PayPal payment functionality","AI agents that can settle x402 payments on Base in USDC","Projects needing low-cost ($0.02) per-request payment API access"],"notFor":["Users who need detailed API documentation before integrating","High-volume use cases where per-request pricing is less economical than subscription plans","Applications requiring non-crypto payment settlement"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.459Z"},"updatedAt":"2026-04-23T12:31:31.094Z"}}