{"id":"aff2d5e8-3546-411d-993b-4d11845eaa43","shortId":"u7By34","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/71`. 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, settling directly to the provider's wallet. No API keys or rate limits are advertised; access is granted instantly upon valid payment.\n\nDocumentation is extremely sparse. The landing page lists available endpoints and pricing, but 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 documentation, and no usage examples. The endpoint's actual functionality — what it returns when called with a valid payment — is not described beyond the generic label \"Premium API Access\" and the URL path hint suggesting PayPal payment processing. Without documentation or sample responses, the exact behavior must be discovered experimentally.","tags":[],"capabilities":["x402-payment-gated","usdc-settlement","base-network","pay-per-call","paypal-payments","post-endpoint"],"categories":["finance","payments"],"synonyms":["paypal payment api","x402 paypal","micropayment api","usdc pay-per-call","lowpaymentfee","base network api","crypto payment gateway"],"warnings":["No API documentation available — /docs, /pricing, /api, and /README all show only 'Connect wallet'","No OpenAPI or schema definition; request body format and response structure are unknown","Endpoint purpose unclear — 'Premium API Access' and the /paypal/payments/71 path do not explain what the endpoint actually does","No examples or sample responses available anywhere in the crawl"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/71","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/71","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","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 spec, no request/response schema, no documentation beyond a wallet-connect prompt, and no examples. The actual functionality behind 'Premium API Access' at the PayPal payments path is undocumented, making this effectively a stub 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'/api/v1/paypal/payments/71':48 '/docs':163 '/pricing':164 '/readme':167 '/request':17,34 '0.02':16,33,112 '000':101 '0x8335':106 '20':100 '2913':107 '6':117 'accept':90 'access':43,142,217 'across':65 'actual':197 'advertis':141 'ai/ml':70 'analyt':69 'api':42,63,135,216 'avail':157 'base':9,26,85,102,109 'base network api' 'base-network' 'behavior':234 'beyond':211 'broader':54 'call':4,21,62,203 'categori':66 'connect':173 'crypto payment gateway' 'data':68 'decim':118 'describ':210 'detail':180 'direct':128 'discov':237 'document':149,189,228 'dozen':57 'endpoint':7,24,36,64,89,158,195 'equal':111 'exact':125,233 'exampl':193 'experiment':238 'extrem':151 'financ':72 'function':198 'gate':77 'generic':213 'grant':144 'hint':222 'infer':71 'infrastructur':74 'instant':145 'key':136 'label':214 'land':154 'like':67 'limit':139 'list':156 'lowpaymentfee' 'lowpaymentfee.com':38 'made':121 'maximum':98 'micropayment api' 'must':235 'network':86 'offer':56 'openapi':184 'page':155,168 'part':51 'path':47,221 'pay':2,19,60 'pay-per-cal':1,18,59 'pay-per-call' 'payment':6,23,81,119,148,207,225 'paypal':5,22,224 'paypal payment api' 'paypal-payments' 'per':3,20,61,113 'platform':55 'post':91 'post-endpoint' 'premium':41,215 'price':95,160 'process':226 'prompt':175 'protocol':82 'provid':39,131 'rate':138 'render':170 'request':92,114 'request/response':187 'resourc':44 'respons':231 'return':201 'sampl':230 'schema':188 'scheme':126 'settl':12,29,127 'spars':152 'spec':185 'specif':88 'suggest':223 'technic':179 'unit':103 'upon':146 'url':220 'usag':192 'usdc':14,31,105,115 'usdc pay-per-call' 'usdc-settlement' 'use':116 'util':75 'valid':147,206 'via':10,27,122 'wallet':133,174 'without':227 'x402':11,28,80,124 'x402 paypal' 'x402-payment-gated'","prices":[{"id":"2e4f155c-0198-4f75-b0aa-f6ef391cd960","listingId":"aff2d5e8-3546-411d-993b-4d11845eaa43","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/71","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:22.908Z"}],"sources":[{"listingId":"aff2d5e8-3546-411d-993b-4d11845eaa43","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/71","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:22.908Z","lastSeenAt":"2026-04-23T12:31:31.252Z"}],"details":{"listingId":"aff2d5e8-3546-411d-993b-4d11845eaa43","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/71 \\\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":"The endpoint returns a valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/71"},{"claim":"Platform pricing is $0.02 per request 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/71"},{"claim":"Documentation pages (/docs, /pricing, /api, /README) render only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatically initiating or querying PayPal payment records via a crypto-settled API","Integrating low-cost per-call payment processing into agent workflows","Accessing PayPal payment data without traditional API key management"],"bestFor":["Agents or developers wanting keyless, pay-per-use PayPal payment endpoints","Crypto-native applications that prefer USDC settlement on Base","Prototyping payment integrations without subscription commitments"],"notFor":["Production use requiring documented request/response schemas and SLAs","High-volume payment processing where $0.02/call adds up significantly","Users who need detailed API documentation before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.306Z"},"updatedAt":"2026-04-23T12:31:31.252Z"}}