{"id":"9bdef83f-89d6-4c4d-ab33-79420a05ecd1","shortId":"dLrLJr","kind":"x402","title":"Pay-per-call PayPal payments endpoint on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call PayPal payments endpoint on Base via x402, settled 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/9`. 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 by 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…2913 on Base), which equals $0.02 per request (USDC uses 6 decimals). Payment is made via the x402 \"exact\" scheme, meaning the caller includes a cryptographic payment proof in the X-PAYMENT header. No API keys or accounts are required; access is instant once payment is attached. The platform advertises no rate limits and no minimum commitments.\n\nDocumentation beyond the landing page is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI schema, no request/response examples, and no description of what the PayPal payments endpoint actually returns or what input parameters it expects. The endpoint name suggests PayPal-related payment data or processing, but this is purely inferred from the URL path. Prospective users should test the endpoint directly to understand its behavior.","tags":[],"capabilities":["x402-payment-gated","usdc-settlement","base-network","pay-per-call","no-api-key","paypal-payments"],"categories":["finance","payments"],"synonyms":["paypal api","payment processing","x402 paypal","crypto-gated api","usdc micropayment","lowpaymentfee","pay-per-request api","base network api"],"warnings":["No documentation available — /docs, /pricing, /api, and /README all show only 'Connect wallet' with no technical content.","No OpenAPI or JSON schema describing request parameters or response format.","The actual functionality of /api/v1/paypal/payments/9 is unknown; 'Premium API Access' is a generic label used across all endpoints on this platform.","Cannot confirm what data or service this endpoint provides beyond its URL path suggesting PayPal payment relevance."],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/9","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/9","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (returns a valid x402 402 challenge) and pricing is clear at $0.02/request in USDC on Base. However, there is no OpenAPI schema, no request/response examples, and no documentation beyond a landing page listing. The actual functionality of the PayPal payments endpoint is entirely unclear — the name is the only clue. This is effectively a stub 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'/api/v1/paypal/payments/9':48 '/docs':174 '/pricing':176 '/readme':178 '/request':17,34 '0.02':16,33,112 '000':101 '0x8335':106 '20':100 '2913':107 '6':117 'accept':90 'access':43,148 'account':145 'across':65 'actual':209 'addit':189 'advertis':157 'ai/ml':70 'analyt':69 'api':42,63,142 'attach':154 'base':9,26,85,102,109 'base network api' 'base-network' 'behavior':247 'beyond':166 'broader':54 'call':4,21,62 'caller':129 'categori':66 'commit':164 'connect':184 'crypto-gated api' 'cryptograph':132 'data':68,225 'decim':118 'descript':202 'detail':191 'direct':243 'document':165 'dozen':57 'endpoint':7,24,36,64,89,208,218,242 'equal':111 'exact':125 'exampl':199 'expect':216 'extrem':171 'financ':72 'gate':77 'header':140 'includ':130 'infer':71,232 'infrastructur':74 'input':213 'instant':150 'key':143 'land':168 'like':67 'limit':160 'lowpaymentfee' 'lowpaymentfee.com':38 'made':121 'maximum':98 'mean':127 'minimum':163 'name':219 'network':86 'no-api-key' 'offer':56 'openapi':195 'page':169,179 'paramet':214 'part':51 'path':47,236 'pay':2,19,60 'pay-per-cal':1,18,59 'pay-per-call' 'pay-per-request api' 'payment':6,23,81,119,133,139,152,207,224 'payment processing' 'paypal':5,22,206,222 'paypal api' 'paypal-payments' 'paypal-rel':221 'per':3,20,61,113 'platform':55,156 'post':91 'premium':41 'price':95 'process':227 'prompt':186 'proof':134 'prospect':237 'protocol':82 'provid':39 'pure':231 'rate':159 'relat':223 'render':181 'request':92,114 'request/response':198 'requir':147 'resourc':44 'return':210 'schema':196 'scheme':126 'settl':12,29 'spars':172 'specif':88 'suggest':220 'technic':190 'test':240 'understand':245 'unit':103 'url':235 'usdc':14,31,105,115 'usdc micropayment' 'usdc-settlement' 'use':116 'user':238 'util':75 'via':10,27,122 'wallet':185 'x':138 'x-payment':137 'x402':11,28,80,124 'x402 paypal' 'x402-payment-gated'","prices":[{"id":"c6997139-3696-4663-951f-d7bf5288b545","listingId":"9bdef83f-89d6-4c4d-ab33-79420a05ecd1","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/9","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:14.923Z"}],"sources":[{"listingId":"9bdef83f-89d6-4c4d-ab33-79420a05ecd1","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/9","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:14.923Z","lastSeenAt":"2026-04-23T14:01:28.519Z"}],"details":{"listingId":"9bdef83f-89d6-4c4d-ab33-79420a05ecd1","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/9 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-proof>\"","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 network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/9"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/9"},{"claim":"Documentation pages (/docs, /api, /pricing, /README) render only 'Connect wallet' with no additional content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Accessing PayPal payment data or processing without traditional API key registration","Programmatic agents making one-off payment-related queries settled in USDC on Base","Integrating PayPal payment information into crypto-native workflows"],"bestFor":["Developers who want keyless, pay-per-call access to payment-related endpoints","AI agents with x402-compatible wallets needing PayPal payment data","Users who prefer crypto micropayments over subscription billing"],"notFor":["Users who need detailed API documentation or guaranteed SLAs before integrating","High-volume production workloads where $0.02/request adds up significantly","Anyone without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.652Z"},"updatedAt":"2026-04-23T14:01:28.519Z"}}