{"id":"96855802-d1df-4e6e-a18a-a87010320d3c","shortId":"kZTFcK","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 at the path `/api/v1/paypal/payments/16`. It is part of a broader platform offering dozens of pay-per-call API endpoints across categories like data analytics, AI/ML inference, finance, crypto, and utility services — 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, meaning the caller includes an X-PAYMENT header with a signed payment for each call. No API keys, rate limits, or upfront commitments are required — access is instant once payment is attached.\n\nThe platform's landing page lists a uniform $0.02/request pricing model across all endpoints. 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","post-method","no-api-key"],"categories":["finance","payments"],"synonyms":["paypal payment api","x402 paypal","crypto-gated paypal","lowpaymentfee paypal","usdc paypal endpoint","pay-per-call payment api"],"warnings":["No request or response schema available — the endpoint's exact functionality is unknown","Documentation pages (/docs, /pricing, /README) returned no useful content during crawl","The relationship between this endpoint and actual PayPal services is unverified","No examples or error documentation available"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/16","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/16","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 of the request/response schema, no OpenAPI spec, and the docs/pricing/README pages all returned only a wallet-connect prompt. The actual functionality of this PayPal payments endpoint is 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'/docs':175 '/pricing':176 '/readme':177 '/request':17,34,167 '0.02':16,33,110,166 '000':99 '0x8335':104 '20':98 '2913':105 '6':115 'accept':91 'access':43,151 'across':65,170 'actual':192 'ai/ml':70 'analyt':69 'api':42,63,142 'appear':178 'attach':157 'avail':228 'base':9,26,86,100,107 'base-network' 'broader':54 'call':4,21,62,140 'caller':127 'cannot':223 'categori':66 'commit':148 'confirm':225 'connect':183 'content':187 'crawl':189 'crypto':73 'crypto-gated paypal' 'data':68,214 'decim':116 'document':173 'dozen':57 'endpoint':7,24,36,64,90,172,200,204 'equal':109 'exact':123 'financ':72 'gate':78 'header':133 'includ':128 'infer':71 'initi':209 'instant':153 'key':143 'land':161 'like':67 'limit':145 'list':163 'lowpaymentfee paypal' 'lowpaymentfee.com':38 'made':119 'materi':229 'mean':125 'minim':186 'model':169 'network':87 'no-api-key' 'offer':56 'oper':222 'page':162,174 'part':51 'particular':197 'path':47 'pay':2,19,60 'pay-per-cal':1,18,59 'pay-per-call' 'pay-per-call payment api' 'payment':6,23,82,117,132,137,155,199,211,213 'paypal':5,22,198,210,220 'paypal payment api' 'paypal-payments' 'paypal-rel':219 'per':3,20,61,111 'perform':216 'platform':55,159 'post':92 'post-method' 'premium':41 'price':96,168 'protocol':83 'provid':39 'purpos':206 'rate':144 'relat':221 'request':93,112 'request/response':193 'requir':150,180 'retriev':212 'return':185 'schema':194 'scheme':124 'servic':44,76 'settl':12,29 'sign':136 'specif':89 'uniform':165 'unit':101 'unknown':202 'upfront':147 'usdc':14,31,103,113 'usdc paypal endpoint' 'usdc-settlement' 'use':114 'util':75 'via':10,27,120 'wallet':182 'whether':207 'x':131 'x-payment':130 'x402':11,28,81,122 'x402 paypal' 'x402-payment-gated'","prices":[{"id":"a374d556-ca53-4e21-832e-af69cdb930d6","listingId":"96855802-d1df-4e6e-a18a-a87010320d3c","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/16","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:06.478Z"}],"sources":[{"listingId":"96855802-d1df-4e6e-a18a-a87010320d3c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/16","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:06.478Z","lastSeenAt":"2026-04-23T16:07:20.792Z"}],"details":{"listingId":"96855802-d1df-4e6e-a18a-a87010320d3c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/16 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-signed-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with x402Version 1, accepting USDC on Base at maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/16"},{"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 address on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/16"}],"useCases":["Programmatically interact with PayPal payment functionality without API key management","Agent-driven payment processing where per-call USDC micropayments replace subscription billing","Integrating PayPal payment operations into crypto-native workflows on Base"],"bestFor":["Developers wanting keyless, pay-per-use PayPal-related API access","AI agents that can settle x402 payments in USDC on Base","Projects needing low-friction payment endpoint access without rate limits"],"notFor":["Users who need detailed API documentation before integrating (docs are sparse)","High-volume use cases where $0.02/call adds up compared to direct PayPal API access","Anyone without a Base-compatible wallet or USDC balance"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:05.047Z"},"updatedAt":"2026-04-23T16:07:20.792Z"}}