{"id":"19047070-b9f7-4d2b-9ee5-1fda5c2c2887","shortId":"A2unCB","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 \"Premium API Access\" payment-related service under the path `/api/v1/paypal/payments/43`. It is part of a broader platform offering dozens of x402-gated API endpoints spanning data analytics, AI/ML inference, finance, crypto, and utility services — all priced at $0.02 per request with no API keys, no rate limits, and no commitments.\n\nThe specific endpoint is live and responds with a valid x402 challenge on POST. Payment is settled in USDC (USD Coin) on the Base network using the \"exact\" scheme. The max amount required is 20,000 base units of USDC (6 decimals), which equals $0.02 per call. The payment address is `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3`, and the endpoint accepts `application/json` responses with a 300-second payment timeout.\n\nDocumentation is extremely sparse. The crawled docs, API, pricing, and README pages all returned only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema beyond the x402 output schema stub, and no description of what the PayPal payments endpoint actually returns or what input it expects. The endpoint's exact functionality — whether it initiates a PayPal payment, retrieves payment details, or performs some other operation — cannot be determined from available material.","tags":[],"capabilities":["x402-payment","usdc-base-network","pay-per-request","paypal-payments","json-response","no-api-key"],"categories":["finance","payments"],"synonyms":["PayPal payment API","x402 PayPal","crypto-gated PayPal","USDC payment endpoint","lowpaymentfee PayPal","Base network payment API"],"warnings":["No documentation available — all doc pages return only 'Connect wallet' with no content","No OpenAPI or request/response schema provided; exact functionality of the PayPal payments endpoint is unknown","The endpoint path suggests PayPal integration but no details confirm what operations are supported","Cannot verify what data or actions the endpoint provides beyond the generic 'Premium API Access' label"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/43","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/43","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, there is no documentation, no OpenAPI spec, no request/response schema, and no explanation of what the PayPal payments endpoint actually does. The docs pages are all empty wallet-connect stubs. This is effectively a stub 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'/request':13,28 '0.02':12,27,76,133 '000':124 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':140 '20':123 '300':149 '6':129 'Base network payment API' 'PayPal payment API' 'USDC payment endpoint' 'accept':144 'access':39 'actual':199 'address':138 'ai/ml':66 'amount':120 'analyt':65 'api':38,61,81,160 'application/json':145 'avail':229 'base':9,24,112,125 'beyond':184 'broader':53 'call':4,19,135 'cannot':225 'challeng':100 'coin':109 'commit':88 'connect':169 'content':175 'crawl':158 'crypto':69 'crypto-gated PayPal' 'data':64 'decim':130 'descript':192 'detail':219 'determin':227 'doc':159 'document':153 'dozen':56 'endpoint':7,22,32,62,91,143,198,207 'equal':132 'exact':116,209 'expect':205 'extrem':155 'financ':68 'function':210 'gate':60 'infer':67 'initi':213 'input':203 'json-response' 'key':82 'limit':85 'live':93 'lowpaymentfee PayPal' 'lowpaymentfee.com':34 'materi':230 'max':119 'network':113 'no-api-key' 'offer':55 'openapi':179 'oper':224 'output':187 'page':164 'part':50 'path':46 'pay':2,17 'pay-per-cal':1,16 'pay-per-request' 'payment':6,21,41,103,137,151,197,216,218 'payment-rel':40 'paypal':5,20,196,215 'paypal-payments' 'per':3,18,77,134 'perform':221 'platform':54 'post':102 'premium':37 'price':74,161 'prompt':171 'provid':35 'rate':84 'readm':163 'relat':42 'request':78 'request/response':182 'requir':121 'respond':95 'respons':146 'retriev':217 'return':166,200 'schema':183,188 'scheme':117 'second':150 'servic':43,72 'settl':105 'span':63 'spars':156 'spec':180 'specif':90 'stub':189 'timeout':152 'unit':126 'usd':108 'usdc':15,30,107,128 'usdc-base-network' 'use':114 'util':71 'valid':98 'via':10,25 'wallet':170 'whether':211 'x402':11,26,59,99,186 'x402 PayPal' 'x402-gated':58 'x402-payment'","prices":[{"id":"8684afc8-5491-433e-b6c1-a59bbce16fe5","listingId":"19047070-b9f7-4d2b-9ee5-1fda5c2c2887","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/43","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:10.103Z"}],"sources":[{"listingId":"19047070-b9f7-4d2b-9ee5-1fda5c2c2887","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/43","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:10.103Z","lastSeenAt":"2026-04-23T16:07:20.960Z"}],"details":{"listingId":"19047070-b9f7-4d2b-9ee5-1fda5c2c2887","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/43 \\\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 network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/43"},{"claim":"All APIs on the platform are priced at $0.02 per request 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/43"}],"useCases":["Programmatically interact with PayPal payment functionality via a crypto-settled per-call model","Integrate PayPal payment operations into agent workflows without API key management","Access payment services with USDC micropayments on Base L2"],"bestFor":["Developers wanting keyless, pay-per-use PayPal payment access","AI agents that can settle x402 payments in USDC on Base","Projects needing low-friction payment API access without subscriptions"],"notFor":["Users needing detailed API documentation or guaranteed SLAs","High-volume production use cases requiring well-documented error handling and schemas","Anyone who needs to understand the exact request/response contract before paying"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.869Z"},"updatedAt":"2026-04-23T16:07:20.960Z"}}