{"id":"dbfb4ff7-a150-42d3-8e3a-f047ab2602a6","shortId":"sagbrE","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\" PayPal payments resource, accessible via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a broad catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services. All endpoints on the platform share a uniform $0.02 per request pricing model settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/paypal/payments/6` appears to be a PayPal-related payments API, though the crawled documentation is extremely sparse — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further detail. There is no OpenAPI schema, no request/response examples, and no description of what input the endpoint expects or what output it returns beyond a generic \"Premium API Access\" label and `application/json` MIME type.\n\nThe x402 challenge confirms the endpoint is live: it returns a proper 402 with an accepts block specifying the exact payment scheme on Base, paying to address `0x1A2B...85F3` in USDC (contract `0x8335...2913`). The max amount required is 20,000 base units, which at 6 decimals equals $0.02. The endpoint accepts POST requests and has a 300-second payment timeout. No API keys or rate limits are advertised.","tags":[],"capabilities":["x402-payment","paypal-payments","usdc-settlement","base-network","pay-per-call","no-api-key"],"categories":["finance","payments"],"synonyms":["PayPal payment API","x402 PayPal","crypto-paid PayPal endpoint","lowpaymentfee PayPal","USDC payment API","Base network API","pay-per-request API"],"warnings":["No API documentation available — docs, pricing, API, and README pages all render only 'Connect wallet' with no content.","No OpenAPI or input/output schema provided; it is unknown what request body the endpoint expects or what it returns.","The endpoint name 'PayPal payments' suggests interaction with PayPal, but no details confirm what operations are supported or how PayPal is integrated.","The platform hosts many endpoints all priced at $0.02 with identical descriptions; the actual functionality behind each is unverified."],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/6","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/6","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, but there is virtually no documentation: no OpenAPI schema, no request/response examples, no description of what the PayPal payments endpoint actually does or what parameters it accepts. The docs pages are all blank beyond a wallet-connect prompt. This is effectively a stub 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'/request':13,28 '0.02':12,27,89,220 '000':212 '0x1a2b':199 '0x8335':204 '20':211 '2913':205 '300':229 '402':184 '6':217 '85f3':200 'Base network API' 'PayPal payment API' 'USDC payment API' 'accept':187,223 'access':39,43,166 'address':198 'advertis':240 'ai/ml':74 'amount':208 'analyt':73 'api':38,70,113,123,165,234 'appear':105 'application/json':169 'base':9,24,99,195,213 'base-network' 'beyond':161 'block':188 'broad':63 'call':4,19,69 'catalog':64 'challeng':174 'confirm':175 'connect':132 'contract':203 'crawl':116 'crypto':77 'crypto-paid PayPal endpoint' 'data':72 'decim':218 'descript':149 'detail':138 'doc':122 'document':117 'endpoint':7,22,32,54,82,103,154,177,222 'equal':219 'exact':191 'exampl':146 'expect':155 'extrem':119 'financ':76 'generic':163 'host':61 'infer':75 'input':152 'key':235 'label':167 'limit':238 'live':179 'lowpaymentfee PayPal' 'lowpaymentfee.com':34,58 'mani':53 'max':207 'mime':170 'model':93 'network':100 'no-api-key' 'offer':55 'one':51 'openapi':142 'output':158 'page':127 'pay':2,17,67,196 'pay-per-cal':1,16,66 'pay-per-call' 'pay-per-request API' 'payment':6,21,41,47,112,192,231 'paypal':5,20,40,110 'paypal-payments' 'paypal-rel':109 'per':3,18,68,90 'platform':59,85 'post':224 'premium':37,164 'price':92,124 'prompt':134 'proper':183 'protocol':48 'provid':35 'rate':237 'readm':126 'relat':111 'render':129 'request':91,225 'request/response':145 'requir':209 'resourc':42 'return':160,181 'schema':143 'scheme':193 'second':230 'servic':80 'settl':94 'share':86 'span':71 'spars':120 'specif':102 'specifi':189 'though':114 'timeout':232 'type':171 'uniform':88 'unit':214 'usdc':15,30,96,202 'usdc-settlement' 'util':79 'via':10,25,44 'wallet':133 'x402':11,26,46,173 'x402 PayPal' 'x402-payment'","prices":[{"id":"7bac7b64-bad4-4cdc-9f07-ee622447da06","listingId":"dbfb4ff7-a150-42d3-8e3a-f047ab2602a6","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/6","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:16.795Z"}],"sources":[{"listingId":"dbfb4ff7-a150-42d3-8e3a-f047ab2602a6","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/6","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:16.795Z","lastSeenAt":"2026-04-23T14:01:28.592Z"}],"details":{"listingId":"dbfb4ff7-a150-42d3-8e3a-f047ab2602a6","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/6 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\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 402 challenge with maxAmountRequired of 20000 base units in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/6"},{"claim":"All endpoints 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/6"}],"useCases":["Programmatically initiate or interact with PayPal payments without traditional API key management","Agent-driven payment workflows that settle per-call costs in USDC on Base","Integrating PayPal payment functionality into crypto-native applications"],"bestFor":["Developers wanting keyless, pay-per-call access to a PayPal payments endpoint","AI agents that can settle x402 micropayments in USDC on Base","Prototyping payment integrations without signup or subscription commitments"],"notFor":["Production PayPal integrations requiring well-documented, battle-tested APIs with SLAs","Users who need detailed API documentation, request/response schemas, or error handling guides","High-volume payment processing where $0.02 per call adds up significantly"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.589Z"},"updatedAt":"2026-04-23T14:01:28.592Z"}}