{"id":"62f8709e-2461-402f-b509-cdf10e72079d","shortId":"83b9z9","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 PayPal payments API accessible via the x402 payment protocol. The specific resource `/api/v1/paypal/payments/23` is described as \"Premium API Access\" and accepts POST requests. Payment is settled on the Base network using USDC (USD Coin) at the contract address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.\n\nThe x402 challenge indicates a maximum amount of 20,000 base units of USDC (6 decimals), which equals $0.02 per request. This is consistent with the provider's site-wide pricing of $0.02/request across all their API offerings. The provider advertises no API keys, no rate limits, and instant access — payment is handled entirely through the x402 protocol's X-PAYMENT header.\n\nThe provider hosts a broad catalog of endpoints spanning data analytics, AI/ML inference, finance/crypto data, and infrastructure utilities, all at the same $0.02 price point. However, documentation is extremely sparse — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no detailed description of what this specific PayPal payments endpoint actually returns or expects as input. The endpoint path suggests it may relate to PayPal payment processing or data retrieval, but this is speculative given the lack of documentation.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","paypal-payments","post-endpoint","pay-per-request"],"categories":["finance","payments"],"synonyms":["PayPal API","payment processing","x402 paypal","lowpaymentfee","USDC payment API","crypto payment gateway","Base network API"],"warnings":["No documentation available — all doc/pricing/README pages render only 'Connect wallet'","No OpenAPI or input/output schema provided; request format and response structure are unknown","The specific functionality of '/api/v1/paypal/payments/23' is unclear — the path suggests PayPal payment processing but this is unverified","The hardcoded '23' in the path is unexplained and may indicate a specific resource ID rather than a general-purpose endpoint"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/23","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/23","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 challenge with clear pricing ($0.02 USDC on Base). However, documentation is essentially nonexistent — all doc pages show only 'Connect wallet'. There is no OpenAPI schema, no request/response examples, and no description of what the endpoint actually does beyond its URL path and the generic label 'Premium API 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'/request':13,28,110 '0.02':12,27,94,109,163 '000':85 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':75 '20':84 '6':90 'Base network API' 'PayPal API' 'USDC payment API' 'accept':57 'access':40,55,127 'across':111 'actual':208 'address':74 'advertis':118 'ai/ml':152 'amount':82 'analyt':151 'api':39,54,114,120,173 'base':9,24,65,86 'base-network' 'broad':145 'call':4,19 'catalog':146 'challeng':78 'coin':70 'connect':182 'consist':99 'content':188 'contract':73 'crypto payment gateway' 'data':150,155,226 'decim':91 'describ':51 'descript':200 'detail':199 'doc':172 'document':167,236 'endpoint':7,22,32,148,207,215 'entir':131 'equal':93 'exampl':196 'expect':211 'extrem':169 'finance/crypto':154 'given':232 'handl':130 'header':140 'host':143 'howev':166 'indic':79 'infer':153 'infrastructur':157 'input':213 'instant':126 'key':121 'lack':234 'limit':124 'lowpaymentfee' 'lowpaymentfee.com':34 'maximum':81 'may':219 'network':66 'offer':115 'openapi':192 'page':177 'path':216 'pay':2,17 'pay-per-cal':1,16 'pay-per-request' 'payment':6,21,38,44,60,128,139,206,223 'payment processing' 'paypal':5,20,37,205,222 'paypal-payments' 'per':3,18,95 'point':165 'post':58 'post-endpoint' 'premium':53 'price':107,164,174 'process':224 'prompt':184 'protocol':45,135 'provid':35,102,117,142 'rate':123 'readm':176 'relat':220 'render':179 'request':59,96 'request/response':195 'resourc':48 'retriev':227 'return':209 'schema':193 'settl':62 'site':105 'site-wid':104 'span':149 'spars':170 'specif':47,204 'specul':231 'substant':187 'suggest':217 'unit':87 'usd':69 'usdc':15,30,68,89 'usdc-settlement' 'use':67 'util':158 'via':10,25,41 'wallet':183 'wide':106 'x':138 'x-payment':137 'x402':11,26,43,77,134 'x402 paypal' 'x402-payment'","prices":[{"id":"90897b34-5b2c-45e1-b694-e2097b5c1874","listingId":"62f8709e-2461-402f-b509-cdf10e72079d","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/23","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:06.471Z"}],"sources":[{"listingId":"62f8709e-2461-402f-b509-cdf10e72079d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/23","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:06.471Z","lastSeenAt":"2026-04-23T16:07:20.770Z"}],"details":{"listingId":"62f8709e-2461-402f-b509-cdf10e72079d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/23 \\\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 x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/23"},{"claim":"Site-wide pricing is $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/23"}],"useCases":["Programmatic access to PayPal payment data or processing via pay-per-call model","Agent-driven payment workflows without API key management","Integrating PayPal payment functionality into crypto-native applications"],"bestFor":["Developers wanting keyless, pay-per-use PayPal payment access","AI agents that can settle micropayments on Base in USDC","Projects needing low-friction payment API access without subscriptions"],"notFor":["Users who need detailed API documentation before integrating","High-volume use cases where per-request pricing may not be economical","Anyone requiring guaranteed SLAs or support contracts"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:05.111Z"},"updatedAt":"2026-04-23T16:07:20.770Z"}}