{"id":"b1aaefbc-7243-424d-b751-45bb9a0e7ab9","shortId":"vCD54D","kind":"x402","title":"Pay-per-call PayPal payments endpoint on Base via x402, priced at $0.02 per request in USDC.","tagline":"Pay-per-call PayPal payments endpoint on Base via x402, priced at $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides a PayPal payments API accessible via the x402 payment protocol. The specific resource `/api/v1/paypal/payments/88` is described as \"Premium API Access\" and accepts POST requests. Payment is settled on the Base network using USDC (USD Coin) at the contract address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.\n\nThe x402 challenge indicates a maximum amount of 20,000 base units of USDC (6 decimals), which equals $0.02 per request. The provider's landing page confirms a flat $0.02/request pricing model across all their endpoints, with no API keys, no rate limits, and instant access. The endpoint uses the \"exact\" payment scheme with a 300-second timeout.\n\nThe provider offers a broader catalog of endpoints spanning data analytics, AI/ML inference, finance/crypto data, and infrastructure utilities — all at the same $0.02 price point. However, this specific listing covers only the PayPal payments endpoint. Documentation is extremely sparse: the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what the PayPal payments endpoint actually returns or what parameters it accepts.","tags":[],"capabilities":["x402-payment","paypal-payments","usdc-settlement","base-network","pay-per-call","no-api-key"],"categories":["finance","payments"],"synonyms":["PayPal payment API","x402 PayPal","crypto-gated PayPal","USDC payment endpoint","Base network API","micropayment PayPal","lowpaymentfee"],"warnings":["No documentation available — /docs, /pricing, /api, and /README pages all show only 'Connect wallet' with no content","No OpenAPI or request/response schema provided; it is unknown what parameters the POST body should contain","The purpose of '/api/v1/paypal/payments/88' is unclear — the '88' path segment suggests a specific resource ID but is unexplained","Cannot verify what the endpoint actually returns upon successful payment"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/88","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/88","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 with clear pricing. However, there is no documentation, no OpenAPI schema, no request/response examples, and no explanation of what the PayPal payments endpoint actually does or accepts. The docs, pricing, and README pages are all blank beyond a wallet connect prompt. This is effectively a stub 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'/api/v1/paypal/payments/88':55 '/docs':181 '/pricing':183 '/readme':185 '/request':112 '0.02':14,32,100,111,163 '000':91 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':81 '20':90 '300':138 '6':96 'Base network API' 'PayPal payment API' 'USDC payment endpoint' 'accept':63,221 'access':46,61,128 'across':115 'actual':215 'address':80 'ai/ml':152 'amount':88 'analyt':151 'api':45,60,121 'base':9,27,71,92 'base-network' 'broader':145 'call':4,22 'catalog':146 'challeng':84 'coin':76 'confirm':108 'connect':191 'content':197 'contract':79 'cover':170 'crypto-gated PayPal' 'data':150,155 'decim':97 'describ':57 'descript':208 'document':176 'endpoint':7,25,38,118,130,148,175,214 'equal':99 'exact':133 'exampl':205 'extrem':178 'finance/crypto':154 'flat':110 'howev':166 'indic':85 'infer':153 'infrastructur':157 'instant':127 'key':122 'land':106 'limit':125 'list':169 'lowpaymentfee' 'lowpaymentfee.com':40 'maximum':87 'micropayment PayPal' 'model':114 'network':72 'no-api-key' 'offer':143 'openapi':201 'page':107,186 'paramet':219 'pay':2,20 'pay-per-cal':1,19 'pay-per-call' 'payment':6,24,44,50,66,134,174,213 'paypal':5,23,43,173,212 'paypal-payments' 'per':3,15,21,33,101 'point':165 'post':64 'premium':59 'price':12,30,113,164 'prompt':193 'protocol':51 'provid':41,104,142 'rate':124 'render':188 'request':16,34,65,102 'request/response':204 'resourc':54 'return':216 'schema':202 'scheme':135 'second':139 'settl':68 'span':149 'spars':179 'specif':53,168 'substant':196 'timeout':140 'unit':93 'usd':75 'usdc':18,36,74,95 'usdc-settlement' 'use':73,131 'util':158 'via':10,28,47 'wallet':192 'x402':11,29,49,83 'x402 PayPal' 'x402-payment'","prices":[{"id":"1998ac50-b919-4267-b47c-f8fabeaed5c5","listingId":"b1aaefbc-7243-424d-b751-45bb9a0e7ab9","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/88","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:12.491Z"}],"sources":[{"listingId":"b1aaefbc-7243-424d-b751-45bb9a0e7ab9","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/88","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:12.491Z","lastSeenAt":"2026-04-23T14:01:28.421Z"}],"details":{"listingId":"b1aaefbc-7243-424d-b751-45bb9a0e7ab9","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/88 \\\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 x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/88"},{"claim":"USDC contract address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/88"},{"claim":"Flat pricing of $0.02 per request across all endpoints, no API keys, no rate limits","source_url":"https://lowpaymentfee.com"},{"claim":"The provider lists endpoints across data analytics, AI/ML, finance/crypto, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Programmatic PayPal payment initiation from an AI agent","Integrating PayPal payment flows into crypto-native applications","Accessing PayPal payment data without traditional API key management"],"bestFor":["Developers wanting keyless, pay-per-call PayPal payment access","AI agents that can settle x402 payments on Base in USDC","Projects needing low-cost per-request PayPal integration"],"notFor":["Users who need detailed API documentation or OpenAPI specs before integrating","High-volume production use cases where $0.02/request adds up significantly","Anyone requiring non-crypto payment methods to access the API"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.753Z"},"updatedAt":"2026-04-23T14:01:28.421Z"}}