{"id":"395f8d4c-6c55-4559-8e79-63714c72db6a","shortId":"xz7nzV","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. Each call costs $0.02 (20,000 base units of USDC on the Base network, where USDC has 6 decimals). The endpoint accepts POST requests and returns JSON responses. Payment is handled inline via the X-PAYMENT header — no API keys, accounts, or rate limits are required.\n\nThe broader lowpaymentfee.com platform advertises a suite of pay-per-call APIs spanning data & analytics, AI & machine learning (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints share the same $0.02/request pricing and x402 payment model settled in USDC on Base.\n\nDocumentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no usage examples available. The specific functionality of the `/api/v1/paypal/payments/1` endpoint (what input it expects, what it returns) is not documented beyond the title \"Premium API Access.\" Prospective users should be aware that the actual behavior of this endpoint is unverified and undocumented.","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","USDC payment endpoint","micropayment PayPal","lowpaymentfee"],"warnings":["No documentation available — /docs, /pricing, /api, and /README pages all render only 'Connect wallet' with no content.","No OpenAPI or request/response schema provided; the exact input format and output structure are unknown.","The actual functionality behind '/api/v1/paypal/payments/1' is unverified — 'Premium API Access' is the only description.","The endpoint name suggests PayPal integration but there is no evidence of actual PayPal connectivity or what operations it performs."],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/1","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/1","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live (returns a valid x402 402 challenge), but documentation is essentially nonexistent — all doc pages show only 'Connect wallet.' There is no OpenAPI spec, no request/response schema, no examples, and the actual functionality of this specific PayPal payments endpoint is undocumented. The listing is effectively a 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'/api/v1/paypal/payments/1':192 '/docs':156 '/pricing':157 '/readme':160 '/request':13,28,140 '0.02':12,27,49,139 '000':51 '20':50 '6':63 'PayPal payment API' 'USDC payment endpoint' 'accept':67 'access':40,209 'account':87 'actual':217 'advertis':97 'ai':109 'analysi':113 'analyt':108 'api':39,85,105,208 'avail':186 'awar':214 'base':9,24,52,58,150 'base-network' 'behavior':218 'beyond':204 'broader':94 'call':4,19,47,104 'classif':115 'connect':166 'content':172 'convers':132 'cost':48 'crypto-paid PayPal' 'data':107 'decim':64 'document':151,181,203 'embed':116 'endpoint':7,22,32,66,135,193,221 'estim':126 'exampl':185 'exchang':121 'expect':197 'extrem':153 'feed':120 'financ':117 'function':189 'gas':125 'generat':133 'geocod':130 'handl':76 'header':83 'infrastructur':128 'inlin':77 'input':195 'json':72 'key':86 'learn':111 'limit':90 'lowpaymentfee' 'lowpaymentfee.com':34,95 'machin':110 'micropayment PayPal' 'model':145 'network':59 'no-api-key' 'openapi':176 'page':161 'pay':2,17,102 'pay-per-cal':1,16,101 'pay-per-call' 'payment':6,21,38,44,74,82,144 'paypal':5,20,37 'paypal-payments' 'per':3,18,103 'platform':96 'post':68 'premium':207 'price':119,141 'prompt':168 'prospect':210 'protocol':45 'provid':35 'quot':124 'rate':89,122 'render':163 'request':69 'request/response':179 'requir':92 'respons':73 'return':71,200 'schema':180 'sentiment':112 'settl':146 'share':136 'span':106 'spars':154 'spec':177 'specif':188 'suit':99 'summar':114 'titl':206 'token':123 'undocu':225 'unit':53 'unverifi':223 'usag':184 'usdc':15,30,55,61,148 'usdc-settlement' 'user':211 'util':129 'valid':131 'via':10,25,41,78 'wallet':167 'web3':118 'x':81 'x-payment':80 'x402':11,26,43,143 'x402 PayPal' 'x402-payment'","prices":[{"id":"33858cdc-a3f9-4378-b290-10b3aa8f37e6","listingId":"395f8d4c-6c55-4559-8e79-63714c72db6a","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/1","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:02.325Z"}],"sources":[{"listingId":"395f8d4c-6c55-4559-8e79-63714c72db6a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/1","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:02.325Z","lastSeenAt":"2026-04-23T17:31:52.476Z"}],"details":{"listingId":"395f8d4c-6c55-4559-8e79-63714c72db6a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/1 \\\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 402 x402 challenge requesting 20,000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/1"},{"claim":"All APIs on the platform cost $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The platform offers APIs across data & analytics, AI & ML, finance & Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages (/docs, /pricing, /api, /README) render only 'Connect wallet' with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Making PayPal payments programmatically without traditional API keys","Agent-initiated PayPal payment processing via x402","Pay-per-use PayPal transaction submission"],"bestFor":["Agents needing on-demand PayPal payment capabilities without account setup","Developers wanting to test x402-gated payment APIs on Base","Scenarios requiring keyless, per-call PayPal payment access"],"notFor":["Production payment processing requiring documented SLAs and error handling","Users needing detailed API documentation or OpenAPI specs before integration","High-volume payment workflows where per-call pricing is inefficient"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:05.254Z"},"updatedAt":"2026-04-23T17:31:52.476Z"}}