{"id":"8badbb05-b93c-4757-bc45-1ee4e5a43797","shortId":"aj2C5H","kind":"x402","title":"Pay-per-call PayPal payments endpoint on Base via x402, priced at $0.02 USDC per request.","tagline":"Pay-per-call PayPal payments endpoint on Base via x402, priced at $0.02 USDC per request.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" service at the path `/api/v1/paypal/payments/99`. It is part of a broader platform offering dozens of pay-per-call API endpoints spanning data analytics, AI/ML inference, finance, crypto, and utility services — all gated via the x402 payment protocol on the Base network.\n\nThe specific endpoint probed accepts POST requests and charges 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 per call. Payment is made via the x402 \"exact\" scheme with no API keys or rate limits required — callers simply attach an X-PAYMENT header with a valid payment proof. The endpoint returns application/json responses.\n\nThe platform's landing page advertises uniform $0.02 pricing across all endpoints, with no minimums, no commitments, and instant access. However, the actual functionality behind this particular PayPal payments endpoint is unclear: the crawled documentation pages (docs, api, pricing, README) all returned only a \"Connect wallet\" prompt with no substantive content. Without documentation or example responses, the precise input/output schema and what \"PayPal payments\" means in this context (payment initiation, status lookup, fee calculation, etc.) cannot be determined.","tags":[],"capabilities":["x402-payment","pay-per-call","base-network","usdc-settlement","paypal-payments","no-api-key","json-response"],"categories":["finance","payments"],"synonyms":["paypal api","payment processing","x402 paypal","lowpaymentfee","crypto payment gateway","base usdc api","paypal payments endpoint"],"warnings":["No documentation available — all doc/pricing/README pages return only 'Connect wallet' with no content","The actual functionality of '/api/v1/paypal/payments/99' is unknown; the name suggests PayPal integration but no details are provided","No input schema or example responses available to verify what the endpoint returns","The '/99' path segment is unexplained — it may be a resource ID, version, or arbitrary parameter"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/99","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/99","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 402 challenge, confirming pricing and payment details. However, there is zero documentation on what this endpoint actually does — all doc pages return only 'Connect wallet'. No input/output schema, no examples, and the endpoint name ('paypal/payments/99') is ambiguous. This is effectively a stub 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'0.02':14,31,107,151 '000':96 '0x8335':101 '20':95 '2913':102 'accept':90 'access':43,163 'across':153 'actual':166 'advertis':149 'ai/ml':68 'analyt':67 'api':42,63,120,181 'application/json':142 'attach':128 'base':9,26,84,97,104 'base usdc api' 'base-network' 'behind':168 'broader':54 'calcul':217 'call':4,21,62,109 'caller':126 'cannot':219 'charg':94 'commit':160 'connect':188 'content':194 'context':211 'crawl':177 'crypto':71 'crypto payment gateway' 'data':66 'determin':221 'doc':180 'document':178,196 'dozen':57 'endpoint':7,24,36,64,88,140,155,173 'equal':106 'etc':218 'exact':116 'exampl':198 'fee':216 'financ':70 'function':167 'gate':76 'header':133 'howev':164 'infer':69 'initi':213 'input/output':202 'instant':162 'json-response' 'key':121 'land':147 'limit':124 'lookup':215 'lowpaymentfee' 'lowpaymentfee.com':38 'made':112 'mean':208 'minimum':158 'network':85 'no-api-key' 'offer':56 'page':148,179 'part':51 'particular':170 'path':47 'pay':2,19,60 'pay-per-cal':1,18,59 'pay-per-call' 'payment':6,23,80,110,132,137,172,207,212 'payment processing' 'paypal':5,22,171,206 'paypal api' 'paypal payments endpoint' 'paypal-payments' 'per':3,16,20,33,61,108 'platform':55,145 'post':91 'precis':201 'premium':41 'price':12,29,152,182 'probe':89 'prompt':190 'proof':138 'protocol':81 'provid':39 'rate':123 'readm':183 'request':17,34,92 'requir':125 'respons':143,199 'return':141,185 'schema':203 'scheme':117 'servic':44,74 'simpli':127 'span':65 'specif':87 'status':214 'substant':193 'unclear':175 'uniform':150 'unit':98 'usdc':15,32,100 'usdc-settlement' 'util':73 'valid':136 'via':10,27,77,113 'wallet':189 'without':195 'x':131 'x-payment':130 'x402':11,28,79,115 'x402 paypal' 'x402-payment'","prices":[{"id":"8e0a752a-3d7a-4ed7-986b-a585be61f16d","listingId":"8badbb05-b93c-4757-bc45-1ee4e5a43797","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/99","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:34.446Z"}],"sources":[{"listingId":"8badbb05-b93c-4757-bc45-1ee4e5a43797","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/99","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:34.446Z","lastSeenAt":"2026-04-23T09:31:19.900Z"}],"details":{"listingId":"8badbb05-b93c-4757-bc45-1ee4e5a43797","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/99 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-proof>\" \\\n  -d '{}'","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 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/99"},{"claim":"The platform advertises $0.02 per request pricing 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/99"},{"claim":"Documentation pages (docs, api, pricing, README) all returned only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatically interacting with PayPal payment flows via a crypto-gated API","Agents making per-call payments for PayPal-related operations without API key management","Integrating PayPal payment functionality into Web3 workflows"],"bestFor":["Developers wanting keyless, pay-per-use PayPal payment API access","AI agents that can settle x402 payments on Base in USDC","Projects needing low-cost ($0.02) per-request payment endpoints"],"notFor":["Users needing detailed API documentation or guaranteed SLAs before integrating","High-volume PayPal integrations where direct PayPal API access would be cheaper","Anyone requiring non-crypto payment methods to access the API"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:03.735Z"},"updatedAt":"2026-04-23T09:31:19.900Z"}}