{"id":"c69c3240-b229-41a0-bde4-7f9a6e45762f","shortId":"L5qGxu","kind":"x402","title":"Pay-per-call PayPal payments endpoint on Base via x402, $0.02/request in USDC.","tagline":"Pay-per-call PayPal payments endpoint on Base via x402, $0.02/request in USDC.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" resource at the path `/api/v1/paypal/payments/28`. It is part of a broader platform offering dozens of pay-per-call API endpoints across categories including data analytics, AI/ML inference, finance/Web3, and infrastructure utilities — 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 (contract `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 response MIME type is `application/json`.\n\nDocumentation is extremely sparse — the docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema, and no description of what the `/paypal/payments/28` endpoint actually returns or what input parameters it expects. The endpoint name suggests PayPal payment processing or data retrieval, but this cannot be confirmed from available materials. Prospective users should test the endpoint directly to understand its behavior before relying on it in production.","tags":[],"capabilities":["x402-payment","pay-per-call","usdc-base","paypal-payments","json-api","no-api-key","no-rate-limit"],"categories":["finance","payments"],"synonyms":["paypal api","payment processing","x402 paypal","lowpaymentfee","micropayment api","base usdc api","pay per request"],"warnings":["No documentation available — docs, pricing, API, and README pages all show only 'Connect wallet' with no content","No request or response schema provided; the purpose of /api/v1/paypal/payments/28 is unclear","No OpenAPI specification or ai-plugin manifest found","The endpoint name implies PayPal payment functionality but this is unverified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/28","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/28","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on what the endpoint does, what inputs it accepts, or what it returns. No OpenAPI spec, no examples, and all doc pages are empty wallet-connect stubs. This is effectively a stub 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'/paypal/payments/28':183 '/request':13,28 '0.02':12,27,106 '000':94 '0x8335':100 '20':93 '2913':101 '300':123 '6':111 'accept':86 'access':39,134 'across':61 'actual':185 'advertis':133 'ai/ml':66 'analyt':65 'api':38,59,127,153 'application/json':145 'avail':209 'base':9,24,81,95,103 'base usdc api' 'behavior':221 'broader':50 'call':4,19,58 'cannot':205 'categori':62 'confirm':207 'connect':161 'contract':99 'data':64,201 'decim':112 'descript':179 'detail':168 'direct':217 'doc':151 'document':146 'dozen':53 'endpoint':7,22,32,60,85,184,194,216 'equal':105 'exact':119 'expect':192 'extrem':148 'finance/web3':68 'gate':73 'grant':136 'includ':63 'infer':67 'infrastructur':70 'input':189 'instant':137 'json-api' 'key':128 'limit':131 'lowpaymentfee' 'lowpaymentfee.com':34 'made':115 'materi':210 'micropayment api' 'mime':142 'name':195 'network':82 'no-api-key' 'no-rate-limit' 'offer':52 'openapi':172 'page':156 'paramet':190 'part':47 'path':43 'pay':2,17,56 'pay per request' 'pay-per-cal':1,16,55 'pay-per-call' 'payment':6,21,77,113,139,198 'payment processing' 'paypal':5,20,197 'paypal api' 'paypal-payments' 'per':3,18,57,107 'platform':51 'post':87 'premium':37 'price':91,152 'process':199 'product':227 'prompt':163 'prospect':211 'protocol':78 'provid':35 'rate':130 'readm':155 'reli':223 'render':158 'request':88,108 'request/response':175 'resourc':40 'respons':141 'retriev':202 'return':186 'schema':176 'scheme':120 'second':124 'spars':149 'spec':173 'specif':84 'suggest':196 'technic':167 'test':214 'timeout':125 'type':143 'understand':219 'unit':96 'upon':138 'usdc':15,30,98,109 'usdc-base' 'use':110 'user':212 'util':71 'via':10,25,116 'wallet':162 'x402':11,26,76,118 'x402 paypal' 'x402-payment'","prices":[{"id":"5c080f01-5956-498c-9b5f-b3ab6b91ae24","listingId":"c69c3240-b229-41a0-bde4-7f9a6e45762f","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/28","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:05.873Z"}],"sources":[{"listingId":"c69c3240-b229-41a0-bde4-7f9a6e45762f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/28","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:05.873Z","lastSeenAt":"2026-04-23T17:31:52.661Z"}],"details":{"listingId":"c69c3240-b229-41a0-bde4-7f9a6e45762f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/28 \\\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":"Endpoint returns 402 with x402 challenge advertising USDC on Base at 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/28"},{"claim":"Platform advertises $0.02/request pricing 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/28"},{"claim":"Docs, pricing, API, and README pages render only 'Connect wallet' with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatic PayPal payment initiation or lookup via a single HTTP call","Agent-driven payment workflows that settle per-request in USDC on Base","Integrating PayPal payment data into automated pipelines without managing API keys"],"bestFor":["Developers wanting keyless, pay-per-call access to a PayPal-related endpoint","AI agents that can settle x402 payments on Base","Prototyping payment integrations without subscription commitments"],"notFor":["Production payment processing requiring well-documented, auditable APIs","Users who need detailed request/response schemas before integration","High-volume use cases where $0.02/request adds up significantly"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:05.109Z"},"updatedAt":"2026-04-23T17:31:52.661Z"}}