{"id":"f2d46e4f-c1c5-43b9-a56f-231f377ff023","shortId":"KyHmBj","kind":"x402","title":"Pay-per-call PayPal payments endpoint on Base via x402, priced at $0.02 USDC per request.","tagline":"Pay-per-call PayPal payments endpoint on Base via x402, priced at $0.02 USDC per request.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" service related to PayPal payments, accessible via the x402 payment protocol on the Base network. The endpoint path (`/api/v1/paypal/payments/70`) suggests it handles or proxies PayPal payment operations, though the exact functionality behind the paywall is not documented in detail.\n\nThe endpoint is live and returns a valid x402 challenge. It accepts POST requests and settles payments in USDC (contract 0x8335…2913 on Base). The maximum amount required per call is 20,000 base units of USDC, which at 6 decimals equals $0.02 — consistent with the site-wide pricing of $0.02 per request. Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout.\n\nThe provider site (lowpaymentfee.com) advertises a broad catalog of x402-gated APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all at the same $0.02/request price point. The site emphasizes no API keys, no rate limits, and instant access. However, documentation pages (/docs, /pricing, /README) are essentially empty beyond a \"Connect wallet\" prompt, so there is no schema documentation, request/response examples, or detailed description of what this specific PayPal payments endpoint actually returns.","tags":[],"capabilities":["x402-payment","paypal-payments","usdc-settlement","base-network","pay-per-call"],"categories":["finance","payments"],"synonyms":["PayPal payment API","x402 PayPal","crypto-gated PayPal","USDC payment endpoint","lowpaymentfee PayPal","pay-per-request PayPal"],"warnings":["No API documentation available — /docs, /pricing, and /README pages are empty beyond a wallet connect prompt","Exact functionality of the PayPal payments endpoint is unknown; the path suggests PayPal integration but no details are provided","No request or response schema documented","This endpoint is one of many on a site that advertises a very broad catalog (AI, finance, analytics, utilities) all at $0.02 — unclear if all endpoints are fully implemented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/70","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/70","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is zero documentation on what the endpoint actually does, what request body it expects, or what it returns. The docs, pricing, and README pages are all blank. The specific functionality behind '/api/v1/paypal/payments/70' is entirely 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'/docs':194 '/pricing':195 '/readme':196 '/request':176 '0.02':14,31,125,134,175 '000':115 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':142 '0x8335':103 '20':114 '2913':104 '300':145 '6':122 'PayPal payment API' 'USDC payment endpoint' 'accept':94 'access':43,49,190 'actual':223 'address':141 'advertis':152 'ai/ml':164 'amount':109 'analyt':163 'api':42,160,183 'base':9,26,57,106,116 'base-network' 'behind':75 'beyond':200 'broad':154 'call':4,21,112 'catalog':155 'challeng':92 'connect':202 'consist':126 'contract':102 'crypto':167 'crypto-gated PayPal' 'data':162 'decim':123 'descript':215 'detail':82,214 'document':80,192,210 'emphas':181 'empti':199 'endpoint':7,24,36,60,84,222 'equal':124 'essenti':198 'exact':73 'exampl':212 'financ':166 'function':74 'gate':159 'handl':65 'howev':191 'infer':165 'instant':189 'key':184 'limit':187 'live':86 'lowpaymentfee PayPal' 'lowpaymentfee.com':38,151 'maximum':108 'network':58 'oper':70 'page':193 'path':61 'pay':2,19 'pay-per-cal':1,18 'pay-per-call' 'pay-per-request PayPal' 'payment':6,23,48,53,69,99,137,221 'paypal':5,22,47,68,220 'paypal-payments' 'paywal':77 'per':3,16,20,33,111,135 'point':178 'post':95 'premium':41 'price':12,29,132,177 'prompt':204 'protocol':54 'provid':39,149 'proxi':67 'rate':186 'relat':45 'request':17,34,96,136 'request/response':211 'requir':110 'return':88,224 'schema':209 'second':146 'sent':139 'servic':44,170 'settl':98 'site':130,150,180 'site-wid':129 'span':161 'specif':219 'suggest':63 'though':71 'timeout':147 'unit':117 'usdc':15,32,101,119 'usdc-settlement' 'util':169 'valid':90 'via':10,27,50 'wallet':203 'wide':131 'x402':11,28,52,91,158 'x402 PayPal' 'x402-gated':157 'x402-payment'","prices":[{"id":"89ec0b46-76fa-498a-8bce-32e44bde13c5","listingId":"f2d46e4f-c1c5-43b9-a56f-231f377ff023","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/70","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:14.298Z"}],"sources":[{"listingId":"f2d46e4f-c1c5-43b9-a56f-231f377ff023","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/70","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:14.298Z","lastSeenAt":"2026-04-23T14:01:28.469Z"}],"details":{"listingId":"f2d46e4f-c1c5-43b9-a56f-231f377ff023","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/70 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -d '{}'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/70"},{"claim":"Site-wide pricing is $0.02 per request 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/70"},{"claim":"Documentation pages (/docs, /pricing, /README) contain only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatically initiating or querying PayPal payment operations without API key management","Agent-driven payment workflows that settle per-call costs in USDC on Base","Integrating PayPal payment data into crypto-native applications"],"bestFor":["Developers wanting keyless, pay-per-call access to PayPal payment functionality","AI agents that can settle x402 micropayments on Base","Projects needing low-friction PayPal integration without subscription commitments"],"notFor":["Users who need detailed API documentation or guaranteed SLAs before integrating","High-volume PayPal integrations where direct PayPal API access would be cheaper","Applications requiring non-crypto payment settlement"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.672Z"},"updatedAt":"2026-04-23T14:01:28.469Z"}}