{"id":"c3b53feb-d909-4e6b-9e77-cd5d619f85c6","shortId":"8Sx4EV","kind":"x402","title":"x402-gated PayPal payments endpoint on Base, pay-per-call with USDC.","tagline":"x402-gated PayPal payments endpoint on Base, pay-per-call with USDC.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" resource located at `/api/v1/paypal/payments/17`. It is part of a broader platform offering dozens of pay-per-request API endpoints across categories like data analytics, AI/ML inference, finance, crypto, and infrastructure utilities — all gated via the x402 payment protocol on the Base network.\n\nThe specific endpoint probed accepts POST requests and is priced at a maximum of 20,000 base units of USDC (contract `0x8335…2913` on Base). Since USDC uses 6 decimals, this translates to $0.02 per request, consistent with the site's advertised flat pricing of $0.02/request across all endpoints. Payment is settled on-chain to address `0x1A2B…85F3` with a 300-second timeout window. No API keys or rate limits are advertised; access is granted purely through the x402 payment header.\n\nThe endpoint's path suggests it relates to PayPal payment processing or data retrieval (resource ID 17), but no further documentation, request schema, or response schema is available. The docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no substantive content. Without request/response examples or detailed documentation, the actual functionality behind this endpoint remains unclear.","tags":[],"capabilities":["x402-payment-gated","usdc-base-network","pay-per-request","paypal-payments","post-method","no-api-key","no-rate-limits"],"categories":["finance","payments"],"synonyms":["paypal payment api","x402 paypal","crypto-gated api","usdc payment endpoint","lowpaymentfee","base network api","pay-per-call api"],"warnings":["No request or response schema available — actual endpoint behavior is unknown","All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no content","The purpose of '/api/v1/paypal/payments/17' (resource ID 17) is unexplained","No OpenAPI spec or AI plugin manifest found"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/17","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/17","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 request/response schema, no examples, and the docs pages are empty stubs. The actual functionality behind the PayPal payments path is entirely 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'/request':127 '0.02':114,126 '000':96 '0x1a2b':139 '0x8335':102 '17':180 '20':95 '2913':103 '300':143 '6':109 '85f3':140 'accept':85 'access':37,155 'across':58,128 'actual':217 'address':138 'advertis':122,154 'ai/ml':63 'analyt':62 'api':36,56,148,195 'avail':191 'base':8,22,79,97,105 'base network api' 'behind':219 'broader':47 'call':12,26 'categori':59 'chain':136 'connect':203 'consist':117 'content':209 'contract':101 'crypto':66 'crypto-gated api' 'data':61,176 'decim':110 'detail':214 'doc':193 'document':184,215 'dozen':50 'endpoint':6,20,30,57,83,130,165,221 'exampl':212 'financ':65 'flat':123 'function':218 'gate':3,17,71 'grant':157 'header':163 'id':179 'infer':64 'infrastructur':68 'key':149 'like':60 'limit':152 'locat':39 'lowpaymentfee' 'lowpaymentfee.com':32 'maximum':93 'network':80 'no-api-key' 'no-rate-limits' 'offer':49 'on-chain':134 'page':198 'part':44 'path':167 'pay':10,24,53 'pay-per-cal':9,23 'pay-per-call api' 'pay-per-request':52 'payment':5,19,75,131,162,173 'paypal':4,18,172 'paypal payment api' 'paypal-payments' 'per':11,25,54,115 'platform':48 'post':86 'post-method' 'premium':35 'price':90,124,194 'probe':84 'process':174 'prompt':205 'protocol':76 'provid':33 'pure':158 'rate':151 'readm':197 'relat':170 'remain':222 'render':200 'request':55,87,116,185 'request/response':211 'resourc':38,178 'respons':188 'retriev':177 'schema':186,189 'second':144 'settl':133 'sinc':106 'site':120 'specif':82 'substant':208 'suggest':168 'timeout':145 'translat':112 'unclear':223 'unit':98 'usdc':14,28,100,107 'usdc payment endpoint' 'usdc-base-network' 'use':108 'util':69 'via':72 'wallet':204 'window':146 'without':210 'x402':2,16,74,161 'x402 paypal' 'x402-gated':1,15 'x402-payment-gated'","prices":[{"id":"1610633a-11e1-487c-9506-84a0b90aec75","listingId":"c3b53feb-d909-4e6b-9e77-cd5d619f85c6","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/17","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:05.253Z"}],"sources":[{"listingId":"c3b53feb-d909-4e6b-9e77-cd5d619f85c6","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/17","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:05.253Z","lastSeenAt":"2026-04-23T17:31:52.623Z"}],"details":{"listingId":"c3b53feb-d909-4e6b-9e77-cd5d619f85c6","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/17 \\\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 HTTP 402 with x402 challenge requiring USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/17"},{"claim":"maxAmountRequired is 20000 base units of USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/17"},{"claim":"Site 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 render only a 'Connect wallet' prompt with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatic PayPal payment operations via crypto-settled per-call billing","Agent-driven payment workflows without traditional API key management","Integrating PayPal payment data into Web3 or on-chain applications"],"bestFor":["Developers wanting keyless, pay-per-use PayPal-related API access","AI agents that can settle x402 payments on Base with USDC","Projects needing low-friction access to payment endpoints without subscriptions"],"notFor":["Users who need detailed API documentation or response schemas before integrating","High-volume use cases where $0.02/request adds up significantly compared to direct PayPal API access","Anyone without a Base-compatible wallet or USDC holdings"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:05.136Z"},"updatedAt":"2026-04-23T17:31:52.623Z"}}