{"id":"6a64f179-fc72-441c-8795-6ee6764abefd","shortId":"eKBsvu","kind":"x402","title":"Pay-per-call PayPal payments endpoint on Base via x402, $0.02/request in USDC.","tagline":"Pay-per-call PayPal payments endpoint on Base via x402, $0.02/request in USDC.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" resource at the path `/api/v1/paypal/payments/48`. It is part of a broader platform offering dozens of pay-per-call API endpoints across categories like data analytics, AI/ML, finance, and infrastructure utilities — all gated by the x402 payment protocol on the Base network.\n\nThe endpoint accepts POST requests and returns JSON. Payment is settled in USDC (USD Coin) on Base at a cost of $0.02 per request (20,000 base units with 6 decimals). The x402 challenge confirms the endpoint is live, advertising version 1 of the protocol with an \"exact\" payment scheme. No API keys or rate limits are required; callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nThe specific functionality behind this particular path (`/paypal/payments/48`) is not well-documented. The endpoint title is \"Premium API Access\" and the URL suggests PayPal payment-related functionality, but no OpenAPI schema, request/response examples, or detailed documentation were found. The docs, pricing, and API pages on the site all render only a \"Connect wallet\" prompt with no additional content. Given the lack of documentation about what this endpoint actually does or returns, callers should treat this as an exploratory integration.","tags":[],"capabilities":["x402-payment-gated","usdc-settlement","base-network","pay-per-call","json-response","no-api-key","paypal-payments"],"categories":["finance","payments"],"synonyms":["paypal payment api","x402 paypal","micropayment api","pay-per-call payments","lowpaymentfee","base usdc api","402 payment endpoint"],"warnings":["No documentation available — docs, pricing, and API pages all render only 'Connect wallet' with no content","No OpenAPI or request/response schema provided; the actual behavior of /api/v1/paypal/payments/48 is unknown","Endpoint purpose is inferred solely from the URL path; 'Premium API Access' is a generic title that does not describe functionality","The relationship to actual PayPal services is unclear — this may not interact with PayPal at all"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/48","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/48","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear at $0.02/request in USDC on Base. However, there is no documentation, no OpenAPI schema, no request/response examples, and the actual functionality of this specific endpoint is unclear. The site's docs/pricing/API pages are all empty beyond a wallet connect 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'/paypal/payments/48':161 '/request':13,28 '0.02':12,27,103 '000':107 '1':123 '20':106 '402 payment endpoint' '6':111 'accept':84 'access':39,173 'across':61 'actual':223 'addit':212 'advertis':121 'ai/ml':66 'analyt':65 'api':38,59,133,172,198 'attach':142 'base':9,24,80,98,108 'base usdc api' 'base-network' 'behind':157 'broader':50 'call':4,19,58 'caller':140,227 'categori':62 'challeng':115 'coin':96 'confirm':116 'connect':207 'content':213 'cost':101 'data':64 'decim':112 'detail':190 'doc':195 'document':166,191,218 'dozen':53 'endpoint':7,22,32,60,83,118,168,222 'exact':129 'exampl':188 'exploratori':233 'financ':67 'found':193 'function':156,182 'gate':72 'given':214 'header':147 'infrastructur':69 'integr':234 'json':89 'json-response' 'key':134 'lack':216 'like':63 'limit':137 'live':120 'lowpaymentfee' 'lowpaymentfee.com':34 'micropayment api' 'network':81 'no-api-key' 'offer':52 'openapi':185 'page':199 'part':47 'particular':159 'path':43,160 'pay':2,17,56 'pay-per-cal':1,16,55 'pay-per-call' 'pay-per-call payments' 'payment':6,21,76,90,130,146,152,180 'payment-rel':179 'paypal':5,20,178 'paypal payment api' 'paypal-payments' 'per':3,18,57,104 'platform':51 'post':85 'premium':37,171 'price':196 'prompt':209 'proof':153 'protocol':77,126 'provid':35 'rate':136 'relat':181 'render':204 'request':86,105 'request/response':187 'requir':139 'resourc':40 'return':88,226 'schema':186 'scheme':131 'settl':92 'simpli':141 'site':202 'specif':155 'suggest':177 'titl':169 'treat':229 'unit':109 'url':176 'usd':95 'usdc':15,30,94 'usdc-settlement' 'util':70 'valid':150 'version':122 'via':10,25 'wallet':208 'well':165 'well-docu':164 'x':145 'x-payment':144 'x402':11,26,75,114,151 'x402 paypal' 'x402-payment-gated'","prices":[{"id":"396150ba-e7e5-4b1b-900c-b34153f24c73","listingId":"6a64f179-fc72-441c-8795-6ee6764abefd","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/48","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:08.881Z"}],"sources":[{"listingId":"6a64f179-fc72-441c-8795-6ee6764abefd","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/48","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:08.881Z","lastSeenAt":"2026-04-23T16:07:20.863Z"}],"details":{"listingId":"6a64f179-fc72-441c-8795-6ee6764abefd","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/48 \\\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 402 x402 challenge with maxAmountRequired of 20000 in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/48"},{"claim":"The 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/48"},{"claim":"Docs, pricing, and API pages render only 'Connect wallet' with no additional content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Making PayPal-related payment calls without traditional API key registration","Programmatic agents that need to trigger or query PayPal payment data on a per-call basis","Testing x402 payment protocol integrations with a low-cost endpoint"],"bestFor":["Developers exploring x402 protocol payment flows","Agents needing keyless, pay-per-call API access on Base","Low-volume or experimental payment API usage at $0.02/call"],"notFor":["Production PayPal integrations requiring documented, stable contracts and SLAs","High-volume payment processing where per-call costs add up without volume discounts","Users who need detailed API documentation and response schemas before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.99Z"},"updatedAt":"2026-04-23T16:07:20.863Z"}}