{"id":"96fe5621-a9dd-4627-9b70-3f623d8c6b27","shortId":"xVddsq","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/27`. 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 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, meaning callers attach a one-shot USDC payment in the X-PAYMENT header. No API keys or rate limits are advertised; access is instant once payment is included. The payment recipient address is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a max timeout of 300 seconds.\n\nThe endpoint's exact functionality under the \"paypal/payments\" path is not well-documented — the crawled docs, pricing, and README pages all returned only a \"Connect wallet\" prompt with no further detail. The platform's landing page lists this endpoint's category implicitly under finance/payments, but no request/response schema, parameter documentation, or example payloads are available. Agents should treat this as a lightly-documented endpoint whose behavior must be discovered empirically.","tags":[],"capabilities":["x402-payment-gated","usdc-settlement","base-network","pay-per-call","paypal-payments","no-api-key","post-method"],"categories":["finance","payments"],"synonyms":["paypal payment api","x402 paypal","crypto-gated payment endpoint","USDC pay-per-call","lowpaymentfee paypal","base network payment api","micropayment paypal"],"warnings":["No request or response schema documented; actual endpoint behavior is unknown","All documentation pages (docs, pricing, README, api) returned only 'Connect wallet' with no content","The meaning of '/paypal/payments/27' is ambiguous — it is unclear whether this interacts with PayPal or is simply a naming convention","No examples, error codes, or rate limit information available"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/27","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/27","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), but there is essentially no documentation available — the docs, pricing, README, and API pages all render only a wallet-connect prompt. The purpose of the specific '/paypal/payments/27' path is unclear, no request/response schema is provided, and the endpoint's actual behavior is unknown beyond its x402 gating 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'/request':17,34 '0.02':16,33,111 '000':98 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':157 '0x8335':103 '20':97 '2913':104 '300':163 '6':107 'USDC pay-per-call' 'accept':90 'access':43,145 'across':65 'address':155 'advertis':144 'agent':221 'ai/ml':70 'analyt':69 'api':42,63,138 'attach':124 'avail':220 'base':9,26,85,99,106 'base network payment api' 'base-network' 'behavior':232 'broader':54 'call':4,21,62 'caller':123 'categori':66,206 'connect':190 'crawl':180 'crypto-gated payment endpoint' 'data':68 'decim':108 'detail':196 'discov':235 'doc':181 'document':178,215,229 'dozen':57 'empir':236 'endpoint':7,24,36,64,89,166,204,230 'equal':110 'exact':120,168 'exampl':217 'financ':72 'finance/payments':209 'function':169 'gate':77 'header':136 'implicit':207 'includ':151 'infer':71 'infrastructur':74 'instant':147 'key':139 'land':200 'light':228 'lightly-docu':227 'like':67 'limit':142 'list':202 'lowpaymentfee paypal' 'lowpaymentfee.com':38 'made':116 'max':160 'mean':122 'micropayment paypal' 'must':233 'network':86 'no-api-key' 'offer':56 'one':127 'one-shot':126 'page':185,201 'paramet':214 'part':51 'path':47,173 'pay':2,19,60 'pay-per-cal':1,18,59 'pay-per-call' 'payload':218 'payment':6,23,81,114,130,135,149,153 'paypal':5,22 'paypal payment api' 'paypal-payments' 'paypal/payments':172 'per':3,20,61,112 'platform':55,198 'post':91 'post-method' 'premium':41 'price':95,182 'prompt':192 'protocol':82 'provid':39 'rate':141 'readm':184 'recipi':154 'request':92,113 'request/response':212 'resourc':44 'return':187 'schema':213 'scheme':121 'second':164 'settl':12,29 'shot':128 'specif':88 'timeout':161 'treat':223 'unit':100 'usdc':14,31,102,129 'usdc-settlement' 'util':75 'via':10,27,117 'wallet':191 'well':177 'well-docu':176 'whose':231 'x':134 'x-payment':133 'x402':11,28,80,119 'x402 paypal' 'x402-payment-gated'","prices":[{"id":"f217d565-fcf9-4fca-b781-1315f1040937","listingId":"96fe5621-a9dd-4627-9b70-3f623d8c6b27","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/27","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:50:59.330Z"}],"sources":[{"listingId":"96fe5621-a9dd-4627-9b70-3f623d8c6b27","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/27","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:50:59.330Z","lastSeenAt":"2026-04-23T19:01:23.031Z"}],"details":{"listingId":"96fe5621-a9dd-4627-9b70-3f623d8c6b27","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/27 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-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 valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/27"},{"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/27"},{"claim":"Documentation pages return only a 'Connect wallet' prompt with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatically triggering or querying PayPal payment operations via a crypto-gated API","Integrating PayPal payment flows into agent workflows without traditional API key management","Testing x402 payment protocol integrations with a low-cost endpoint"],"bestFor":["Developers experimenting with x402 payment-gated APIs on Base","Agents needing keyless, pay-per-call access to payment-related endpoints","Projects that want to avoid traditional API key provisioning for payment operations"],"notFor":["Production PayPal integrations requiring well-documented, stable APIs with SLAs","Use cases needing detailed request/response schemas before integration","High-volume payment processing where $0.02/call overhead matters"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:05.371Z"},"updatedAt":"2026-04-23T19:01:23.031Z"}}