{"id":"c4682432-fbfa-402e-a382-ec6b77d55a34","shortId":"NAMHHE","kind":"x402","title":"Pay-per-call PayPal payments endpoint on Base via x402, settling in USDC at $0.02/request.","tagline":"Pay-per-call PayPal payments endpoint on Base via x402, settling in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" resource at the path `/api/v1/paypal/payments/31`. 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 with a 300-second timeout. No API keys or rate limits are advertised; access is granted instantly upon payment. The platform's landing page confirms a flat $0.02/request pricing model across all listed endpoints.\n\nDocumentation is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no examples of what the PayPal payments endpoint actually returns. The endpoint name suggests it may relate to PayPal payment processing or data, but the exact functionality cannot be confirmed from available materials.","tags":[],"capabilities":["x402-payment-gated","usdc-settlement","base-network","pay-per-call","paypal-payments","post-method","no-api-key-required"],"categories":["finance","payments"],"synonyms":["paypal payment api","x402 paypal","crypto-gated payment endpoint","lowpaymentfee","usdc pay-per-call","base network api","paypal integration"],"warnings":["No documentation available — /docs, /api, /pricing, and /README all show only 'Connect wallet' with no content","No OpenAPI or request/response schema provided; exact functionality of /api/v1/paypal/payments/31 is unknown","The endpoint name references 'PayPal payments' but there is no description of what data it accepts or returns","Cannot verify whether this endpoint actually interacts with PayPal or is a placeholder/demo"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/31","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/31","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live and returns a valid x402 challenge with clear pricing ($0.02 USDC on Base). However, there is no documentation, no OpenAPI spec, no request/response schema, and no explanation of what the PayPal payments endpoint actually does. The docs pages are all blank wallet-connect prompts. This is effectively a stub 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'/api/v1/paypal/payments/31':48 '/docs':165 '/pricing':167 '/readme':169 '/request':17,34,153 '0.02':16,33,110,152 '000':99 '0x8335':104 '20':98 '2913':105 '300':127 '6':115 'accept':91 'access':43,138 'across':65,156 'actual':201 'advertis':137 'ai/ml':70 'analyt':69 'api':42,63,131 'avail':224 'base':9,26,86,100,107 'base network api' 'base-network' 'broader':54 'call':4,21,62 'cannot':220 'categori':66 'confirm':149,222 'connect':175 'crypto':73 'crypto-gated payment endpoint' 'data':68,215 'decim':116 'detail':182 'document':160,191 'dozen':57 'endpoint':7,24,36,64,90,159,200,204 'equal':109 'exact':123,218 'exampl':194 'extrem':162 'financ':72 'flat':151 'function':219 'gate':78 'grant':140 'infer':71 'instant':141 'key':132 'land':147 'like':67 'limit':135 'list':158 'lowpaymentfee' 'lowpaymentfee.com':38 'made':119 'materi':225 'may':208 'model':155 'name':205 'network':87 'no-api-key-required' 'offer':56 'openapi':186 'page':148,170 'part':51 'path':47 'pay':2,19,60 'pay-per-cal':1,18,59 'pay-per-call' 'payment':6,23,82,117,143,199,212 'paypal':5,22,198,211 'paypal integration' 'paypal payment api' 'paypal-payments' 'per':3,20,61,111 'platform':55,145 'post':92 'post-method' 'premium':41 'price':96,154 'process':213 'prompt':177 'protocol':83 'provid':39 'rate':134 'relat':209 'render':172 'request':93,112 'request/response':189 'resourc':44 'return':202 'schema':190 'scheme':124 'second':128 'servic':76 'settl':12,29 'spars':163 'spec':187 'specif':89 'suggest':206 'technic':181 'timeout':129 'unit':101 'upon':142 'usdc':14,31,103,113 'usdc pay-per-call' 'usdc-settlement' 'use':114 'util':75 'via':10,27,120 'wallet':176 'x402':11,28,81,122 'x402 paypal' 'x402-payment-gated'","prices":[{"id":"d0e1e7ac-6b1e-40bb-bc9a-a491c675ba69","listingId":"c4682432-fbfa-402e-a382-ec6b77d55a34","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/31","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:50:59.922Z"}],"sources":[{"listingId":"c4682432-fbfa-402e-a382-ec6b77d55a34","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/31","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:50:59.922Z","lastSeenAt":"2026-04-23T19:01:23.029Z"}],"details":{"listingId":"c4682432-fbfa-402e-a382-ec6b77d55a34","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/31 \\\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":"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/31"},{"claim":"USDC asset address on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/31"},{"claim":"Platform advertises $0.02/request flat pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages (/docs, /api, /pricing, /README) render only a 'Connect wallet' prompt with no technical content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatic PayPal payment initiation or lookup via a crypto-settled API","Agent-driven payment workflows that settle per-call in USDC on Base","Integrating PayPal payment data into Web3 applications without traditional API keys"],"bestFor":["Developers who want keyless, pay-per-call access to a PayPal-related endpoint","AI agents with USDC on Base that need to trigger or query PayPal payments","Projects needing low-friction API access without subscription commitments"],"notFor":["Users who need detailed API documentation or guaranteed SLAs before integrating","High-volume consumers who would benefit from bulk pricing or subscription plans","Anyone requiring non-crypto payment methods (no fiat billing option documented)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:05.37Z"},"updatedAt":"2026-04-23T19:01:23.029Z"}}