{"id":"9fb47005-6733-45df-8027-e53d71b9cf39","shortId":"s9dhAb","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\" service at the path `/api/v1/paypal/payments/76`. 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 20,000 base units of USDC (0x8335…2913 on Base, 6 decimals), which equals $0.02 per request. Payment is made via the x402 exact scheme: callers attach an X-PAYMENT header with a signed USDC transfer to the provider's address (0x1A2B…85F3). No API keys, accounts, or rate limits are advertised — access is purely payment-gated.\n\nDocumentation is extremely sparse. The crawled /docs, /api, /pricing, and /README pages all returned only a \"Connect wallet\" prompt with no further content. The endpoint's purpose beyond its title (\"Premium API Access\" under a PayPal payments path) is unclear — it may proxy or wrap PayPal payment functionality, but no request/response schema, parameter documentation, or usage examples are available. Prospective users should test the endpoint directly to determine its actual behavior.","tags":[],"capabilities":["x402-payment-gated","usdc-settlement","base-network","pay-per-call","http-post","paypal-payments"],"categories":["finance","payments"],"synonyms":["paypal api","payment processing","x402 paypal","crypto payment gateway","usdc api","lowpaymentfee","pay-per-request api","base network api"],"warnings":["No documentation available — /docs, /api, /pricing, and /README all return only 'Connect wallet' with no content","No request or response schema provided; actual endpoint behavior is unknown","The endpoint path suggests PayPal payment functionality but this is unverified","No OpenAPI spec, no examples, no error documentation"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/76","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/76","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 actually does, no request/response schema, and all doc pages return only a wallet-connect prompt. This is effectively a stub 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'/api/v1/paypal/payments/76':48 '/docs':162 '/pricing':164 '/readme':166 '/request':17,34 '0.02':16,33,111 '000':98 '0x1a2b':139 '0x8335':103 '20':97 '2913':104 '6':107 '85f3':140 'accept':90 'access':43,150,188 'account':144 'across':65 'actual':225 'address':138 'advertis':149 'ai/ml':70 'analyt':69 'api':42,63,142,187 'attach':123 'avail':214 'base':9,26,85,99,106 'base network api' 'base-network' 'behavior':226 'beyond':183 'broader':54 'call':4,21,62 'caller':122 'categori':66 'connect':172 'content':178 'crawl':161 'crypto payment gateway' 'data':68 'decim':108 'determin':223 'direct':221 'document':156,209 'dozen':57 'endpoint':7,24,36,64,89,180,220 'equal':110 'exact':120 'exampl':212 'extrem':158 'financ':72 'function':203 'gate':77,155 'header':128 'http-post' 'infer':71 'infrastructur':74 'key':143 'like':67 'limit':147 'lowpaymentfee' 'lowpaymentfee.com':38 'made':116 'may':197 'network':86 'offer':56 'page':167 'paramet':208 'part':51 'path':47,193 'pay':2,19,60 'pay-per-cal':1,18,59 'pay-per-call' 'pay-per-request api' 'payment':6,23,81,114,127,154,192,202 'payment processing' 'payment-g':153 'paypal':5,22,191,201 'paypal api' 'paypal-payments' 'per':3,20,61,112 'platform':55 'post':91 'premium':41,186 'price':95 'prompt':174 'prospect':215 'protocol':82 'provid':39,136 'proxi':198 'pure':152 'purpos':182 'rate':146 'request':92,113 'request/response':206 'return':169 'schema':207 'scheme':121 'servic':44 'settl':12,29 'sign':131 'spars':159 'specif':88 'test':218 'titl':185 'transfer':133 'unclear':195 'unit':100 'usag':211 'usdc':14,31,102,132 'usdc api' 'usdc-settlement' 'user':216 'util':75 'via':10,27,78,117 'wallet':173 'wrap':200 'x':126 'x-payment':125 'x402':11,28,80,119 'x402 paypal' 'x402-payment-gated'","prices":[{"id":"f1eaba16-b592-4c70-8006-60ea3bda5784","listingId":"9fb47005-6733-45df-8027-e53d71b9cf39","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/76","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:16.154Z"}],"sources":[{"listingId":"9fb47005-6733-45df-8027-e53d71b9cf39","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/76","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:16.154Z","lastSeenAt":"2026-04-23T14:01:28.565Z"}],"details":{"listingId":"9fb47005-6733-45df-8027-e53d71b9cf39","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/76 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-signed-payment-header>\" \\\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 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/76"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/76"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages (/docs, /api, /pricing, /README) return only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatic PayPal payment initiation or lookup via a crypto-settled API","Agent-driven payment workflows that avoid traditional API key management","Integrating PayPal payment capabilities into Web3 or on-chain applications"],"bestFor":["Developers who want keyless, pay-per-call access to a PayPal-related endpoint","AI agents that can settle x402 payments in USDC on Base","Projects needing low-cost ($0.02) per-request payment API access"],"notFor":["Users who need detailed API documentation or guaranteed SLAs before integrating","High-volume payment processing where $0.02/call adds up significantly","Anyone requiring non-crypto payment methods to access the API itself"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.577Z"},"updatedAt":"2026-04-23T14:01:28.565Z"}}