{"id":"2a5f58c1-5b21-46ea-a5e4-afdcfb3cb2f6","shortId":"erH9e8","kind":"x402","title":"x402-gated PayPal payments endpoint on Base, pay-per-call with USDC.","tagline":"x402-gated PayPal payments endpoint on Base, pay-per-call with USDC.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" resource at the path `/api/v1/paypal/payments/61`. It is part of a broader platform that offers dozens of x402-gated API endpoints spanning data analytics, AI/ML inference, finance, crypto, and utility services — all payable per-request with USDC on the Base network.\n\nThe specific endpoint probed (`/api/v1/paypal/payments/61`) sits under a PayPal payments path, but the platform provides no documentation about what this endpoint actually returns or what input it expects beyond an HTTP POST. The x402 challenge confirms it is live and accepts payment of up to 20,000 base units of USDC (0.02 USD) per request, settled on-chain to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3`. The asset contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` is the canonical USDC contract on Base.\n\nThe platform advertises a flat $0.02 per request across all endpoints, with no API keys, no rate limits, and instant access. However, documentation pages (`/docs`, `/pricing`, `/api`, `/README`) all returned only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what the PayPal payments endpoint does. The lack of documentation makes it difficult to assess the actual functionality or reliability of this specific endpoint.","tags":[],"capabilities":["x402-payment","usdc-on-base","pay-per-request","paypal-payments","http-post"],"categories":["finance","payments"],"synonyms":["paypal payment api","x402 paypal","crypto-gated paypal","usdc payment endpoint","lowpaymentfee","base network api","micropayment api"],"warnings":["No documentation available — all doc pages return only 'Connect wallet' with no content","No OpenAPI schema or request/response examples provided","Endpoint purpose is unclear — 'PayPal payments' path is not explained anywhere","No information on what POST body is expected or what the response contains","Platform appears to be a generic x402 gateway with many endpoints but no substantive docs for any of them"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/61","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/61","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, confirming pricing and payment details. However, there is zero documentation on what the endpoint actually does, no request/response schema, and all doc pages are empty. The endpoint path suggests PayPal payment functionality but nothing is 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'/api/v1/paypal/payments/61':42,84 '/docs':177 '/pricing':178 '/readme':180 '0.02':131,158 '000':126 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':141 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':145 '20':125 'accept':120 'access':37,173 'across':161 'actual':101,220 'address':140 'advertis':155 'ai/ml':62 'analyt':61 'api':36,57,166 'assess':218 'asset':143 'base':8,22,78,127,152 'base network api' 'beyond':108 'broader':48 'call':12,26 'canon':148 'chain':138 'challeng':114 'confirm':115 'connect':185 'content':191 'contract':144,150 'crypto':65 'crypto-gated paypal' 'data':60 'descript':202 'difficult':216 'document':96,175,213 'dozen':52 'endpoint':6,20,30,58,82,100,163,208,227 'exampl':199 'expect':107 'financ':64 'flat':157 'function':221 'gate':3,17,56 'howev':174 'http':110 'http-post' 'infer':63 'input':105 'instant':172 'key':167 'lack':211 'limit':170 'live':118 'lowpaymentfee' 'lowpaymentfee.com':32 'make':214 'micropayment api' 'network':79 'offer':51 'on-chain':136 'openapi':195 'page':176 'part':45 'path':41,90 'pay':10,24 'pay-per-cal':9,23 'pay-per-request' 'payabl':70 'payment':5,19,89,121,207 'paypal':4,18,88,206 'paypal payment api' 'paypal-payments' 'per':11,25,72,133,159 'per-request':71 'platform':49,93,154 'post':111 'premium':35 'probe':83 'prompt':187 'provid':33,94 'rate':169 'reliabl':223 'request':73,134,160 'request/response':198 'resourc':38 'return':102,182 'schema':196 'servic':68 'settl':135 'sit':85 'span':59 'specif':81,226 'substant':190 'unit':128 'usd':132 'usdc':14,28,75,130,149 'usdc payment endpoint' 'usdc-on-base' 'util':67 'wallet':186 'x402':2,16,55,113 'x402 paypal' 'x402-gated':1,15,54 'x402-payment'","prices":[{"id":"fe264ec5-c5fb-4189-8a09-709842c97b6a","listingId":"2a5f58c1-5b21-46ea-a5e4-afdcfb3cb2f6","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/61","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:22.295Z"}],"sources":[{"listingId":"2a5f58c1-5b21-46ea-a5e4-afdcfb3cb2f6","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/61","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:22.295Z","lastSeenAt":"2026-04-23T12:31:31.230Z"}],"details":{"listingId":"2a5f58c1-5b21-46ea-a5e4-afdcfb3cb2f6","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/61 \\\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 valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/61"},{"claim":"Platform advertises $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/61"},{"claim":"Documentation pages (/docs, /pricing, /api, /README) contain only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatic PayPal payment operations gated behind x402 micropayments","Agent-initiated payment flows where no API key management is desired","Pay-per-call access to financial services without subscription commitments"],"bestFor":["Developers wanting keyless, pay-per-use API access on Base","AI agents that can settle x402 payments in USDC","Users who need low-friction access to payment-related endpoints"],"notFor":["Anyone needing documented request/response schemas before integration","Production systems requiring SLA guarantees or support","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.335Z"},"updatedAt":"2026-04-23T12:31:31.230Z"}}