{"id":"fdf930c9-0675-4102-9118-f760faf38aac","shortId":"YjDPJD","kind":"x402","title":"x402-gated PayPal payments endpoint on Base, pay $0.02 per request in USDC.","tagline":"x402-gated PayPal payments endpoint on Base, pay $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" resource at the path `/api/v1/paypal/payments/53`. It is part of a broader platform that offers dozens of x402-protocol pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/paypal/payments/53` sits under what appears to be a PayPal payments category, though the platform's landing page does not list this particular path among its advertised API groups. The x402 challenge confirms the endpoint is live: it returns a 402 with an `exact` payment scheme requiring up to 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals) paid to address `0x1A2B...85F3` on Base. The endpoint accepts POST requests and returns `application/json`.\n\nDocumentation beyond the landing page is extremely thin — the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema, and no explanation of what this specific PayPal payments resource returns or expects as input. Prospective callers should be aware that the actual behavior of this endpoint is undocumented and must be discovered experimentally.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","paypal-payments","json-response","post-method"],"categories":["finance","payments"],"synonyms":["paypal payment api","x402 paypal","low fee payment api","usdc pay-per-call","base network api","micropayment api","402 payment endpoint"],"warnings":["No documentation available — /docs, /api, /pricing, and /README pages all show only 'Connect wallet'","The specific endpoint /api/v1/paypal/payments/53 is not listed among the platform's advertised APIs","No request or response schema provided; callers must discover behavior experimentally","No OpenAPI spec or ai-plugin manifest found","Purpose of the '/53' resource ID is unknown"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/53","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/53","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is zero documentation on request format, expected input, or response schema. The /docs, /pricing, and /README pages are all blank beyond a wallet-connect prompt. The specific path (/api/v1/paypal/payments/53) is not listed on the landing page, making its purpose unclear. This is effectively a stub 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'/api/v1/paypal/payments/53':42,88 '/docs':173 '/pricing':175 '/readme':177 '0.02':10,24,75,142 '000':137 '0x1a2b':152 '20':136 '402':127 '402 payment endpoint' '6':147 '85f3':153 'accept':158 'access':37 'actual':221 'address':151 'advertis':113 'ai/ml':65 'among':111 'analyt':64 'api':36,61,114 'appear':92 'application/json':163 'awar':218 'base':8,22,83,138,155 'base network api' 'base-network' 'behavior':222 'beyond':165 'broader':48 'call':60 'caller':215 'categori':98 'challeng':118 'confirm':119 'connect':183 'data':63,68 'decim':148 'detail':190 'discov':231 'document':164 'dozen':52 'endpoint':6,20,30,87,121,157,225 'exact':130 'expect':211 'experiment':232 'explan':201 'extrem':170 'finance/web3':67 'gate':3,17 'group':115 'infer':66 'infrastructur':70 'input':213 'json-response' 'land':103,167 'list':107 'live':123 'low fee payment api' 'lowpaymentfee.com':32 'micropayment api' 'must':229 'network':84 'offer':51 'openapi':194 'page':104,168,178 'paid':149 'part':45 'particular':109 'path':41,110 'pay':9,23,58 'pay-per-cal':57 'pay-per-request' 'payment':5,19,97,131,207 'paypal':4,18,96,206 'paypal payment api' 'paypal-payments' 'per':11,25,59,76 'platform':49,101 'post':159 'post-method' 'premium':35 'price':73 'prompt':185 'prospect':214 'protocol':56 'provid':33 'render':180 'request':12,26,77,160 'request/response':197 'requir':133 'resourc':38,208 'return':125,162,209 'schema':198 'scheme':132 'settl':78 'sinc':144 'sit':89 'span':62 'spec':195 'specif':86,205 'technic':189 'thin':171 'though':99 'undocu':227 'unit':139 'usd':143 'usdc':14,28,80,141,145 'usdc pay-per-call' 'usdc-settlement' 'use':146 'util':71 'wallet':184 'x402':2,16,55,117 'x402 paypal' 'x402-gated':1,15 'x402-payment' 'x402-protocol':54","prices":[{"id":"150e5c9a-ca03-419b-b7f3-9beca95aa2e5","listingId":"fdf930c9-0675-4102-9118-f760faf38aac","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/53","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:22.277Z"}],"sources":[{"listingId":"fdf930c9-0675-4102-9118-f760faf38aac","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/53","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:22.277Z","lastSeenAt":"2026-04-23T12:31:31.216Z"}],"details":{"listingId":"fdf930c9-0675-4102-9118-f760faf38aac","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/53 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/53"},{"claim":"The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/53"},{"claim":"Documentation pages (/docs, /api, /pricing, /README) render only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatically triggering or querying PayPal payment data via a single pay-per-call request","Integrating low-cost payment-related API calls into agent workflows without API keys","Exploring x402-protocol payment gating for financial service endpoints"],"bestFor":["Developers experimenting with x402-protocol pay-per-call APIs","Agents needing keyless, per-request access to payment-related endpoints","Users who want to avoid subscription commitments for occasional API calls"],"notFor":["Production systems requiring well-documented, stable API contracts","High-volume payment processing where per-request fees add up","Users without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.35Z"},"updatedAt":"2026-04-23T12:31:31.216Z"}}