{"id":"ee0403fc-8db0-48d2-b57d-814e55415e82","shortId":"XHgCzQ","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 located at `/api/v1/paypal/payments/67`. It is part of a broader platform offering dozens of pay-per-call API endpoints across categories like data analytics, AI/ML inference, finance, and infrastructure utilities — all gated via the x402 payment protocol on the Base network.\n\nThe specific endpoint accepts POST requests and is priced at a maximum of 20,000 base units of USDC (0x8335…0913 on Base), which equals $0.02 per request (USDC uses 6 decimals). Payment is made via an `X-PAYMENT` header using the x402 \"exact\" scheme, settling to the provider's wallet on Base. No API keys or rate limits are advertised; access is granted purely through per-call micropayment.\n\nDocumentation is extremely sparse. The crawled /docs, /api, /pricing, and /README pages all returned only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI spec, no request/response schema documentation, and no explanation of what the `/paypal/payments/67` endpoint actually returns or what input it expects beyond a POST body. The endpoint name suggests PayPal payment processing functionality, but without documentation this is speculative. The x402 challenge is live and well-formed, confirming the endpoint is operational.","tags":[],"capabilities":["x402-payment-gated","usdc-micropayment","base-network","pay-per-call","paypal-payments","post-endpoint"],"categories":["finance","payments"],"synonyms":["paypal payment api","micropayment api","x402 paypal","low fee payment","usdc payment endpoint","base network api","pay per call api"],"warnings":["No documentation available — all doc/pricing/readme pages return only 'Connect wallet' with no content","No OpenAPI or request/response schema provided; input and output formats are unknown","The purpose of '/api/v1/paypal/payments/67' is unclear — the '67' suggests a specific resource ID but its meaning is undocumented","Cannot verify what the endpoint actually returns upon successful payment"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/67","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/67","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The x402 challenge is live and well-formed, confirming the endpoint exists and is operational at $0.02/call in USDC on Base. However, there is zero documentation on what this endpoint does, what inputs it expects, or what it returns. No OpenAPI spec, no examples, and all doc pages are empty wallet-connect stubs. The endpoint path suggests PayPal payment functionality but this is 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'/api/v1/paypal/payments/67':47 '/docs':163 '/paypal/payments/67':195 '/pricing':165 '/readme':167 '/request':17,34 '0.02':16,33,111 '000':100 '0913':106 '0x8335':105 '20':99 '6':116 'accept':89 'access':43,148 'across':64 'actual':197 'advertis':147 'ai/ml':69 'analyt':68 'api':42,62,141 'base':9,26,84,101,108,139 'base network api' 'base-network' 'beyond':204 'bodi':207 'broader':53 'call':4,21,61,155 'categori':65 'challeng':224 'confirm':231 'connect':173 'content':179 'crawl':162 'data':67 'decim':117 'document':157,188,218 'dozen':56 'endpoint':7,24,36,63,88,196,209,233 'equal':110 'exact':130 'expect':203 'explan':191 'extrem':159 'financ':71 'form':230 'function':215 'gate':76 'grant':150 'header':126 'infer':70 'infrastructur':73 'input':201 'key':142 'like':66 'limit':145 'live':226 'locat':45 'low fee payment' 'lowpaymentfee.com':38 'made':120 'maximum':97 'micropay':156 'micropayment api' 'name':210 'network':85 'offer':55 'openapi':183 'oper':235 'page':168 'part':50 'pay':2,19,59 'pay per call api' 'pay-per-cal':1,18,58 'pay-per-call' 'payment':6,23,80,118,125,213 'paypal':5,22,212 'paypal payment api' 'paypal-payments' 'per':3,20,60,112,154 'per-cal':153 'platform':54 'post':90,206 'post-endpoint' 'premium':41 'price':94 'process':214 'prompt':175 'protocol':81 'provid':39,135 'pure':151 'rate':144 'request':91,113 'request/response':186 'resourc':44 'return':170,198 'schema':187 'scheme':131 'settl':12,29,132 'spars':160 'spec':184 'specif':87 'specul':221 'substant':178 'suggest':211 'unit':102 'usdc':14,31,104,114 'usdc payment endpoint' 'usdc-micropayment' 'use':115,127 'util':74 'via':10,27,77,121 'wallet':137,174 'well':229 'well-form':228 'without':217 'x':124 'x-payment':123 'x402':11,28,79,129,223 'x402 paypal' 'x402-payment-gated'","prices":[{"id":"735a251c-ed20-4687-af1f-0627d945d893","listingId":"ee0403fc-8db0-48d2-b57d-814e55415e82","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/67","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:20.448Z"}],"sources":[{"listingId":"ee0403fc-8db0-48d2-b57d-814e55415e82","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/67","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:20.448Z","lastSeenAt":"2026-04-23T12:31:31.129Z"}],"details":{"listingId":"ee0403fc-8db0-48d2-b57d-814e55415e82","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/67 \\\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 402 challenge with x402Version 1, exact scheme, on Base network, with maxAmountRequired of 20000 base units of USDC","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/67"},{"claim":"The platform advertises $0.02 per request 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/67"}],"useCases":["Making PayPal-related payment operations via a single micropayment-gated API call","Integrating low-cost payment processing into agent workflows without API key management","Programmatic access to PayPal payment functionality settled on Base L2"],"bestFor":["Agents or developers needing simple pay-per-use PayPal payment access","x402-compatible clients on the Base network","Use cases where avoiding API key registration is preferred"],"notFor":["Production payment processing requiring documented SLAs and error handling","Users needing detailed API documentation or OpenAPI specs before integration","High-volume batch payment operations where per-call pricing is inefficient"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.447Z"},"updatedAt":"2026-04-23T12:31:31.129Z"}}