{"id":"5e60a1d7-55f9-47cc-aa61-9409cd1ea973","shortId":"Jkx9Ab","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\" resource located at `/api/v1/paypal/payments/36`. It is part of a broader platform offering dozens of pay-per-call API endpoints across data analytics, AI/ML, finance, infrastructure, and payments categories — all settled via the x402 protocol on the Base network using USDC.\n\nThe endpoint is live and returns a valid x402 challenge (HTTP 402) requiring an `X-PAYMENT` header with an exact-scheme payment. The maximum amount required is 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 USD (USDC uses 6 decimals). Payment is sent to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a 300-second timeout. The endpoint accepts POST requests and returns `application/json`.\n\nThe platform advertises a uniform $0.02/request pricing model with no API keys, no rate limits, no minimums, and instant access. However, documentation beyond the landing page is essentially empty (all sub-pages just show \"Connect wallet\"), so the actual request body schema, response format, and specific functionality of this particular payments endpoint are unknown. The endpoint path suggests PayPal payment processing, but no documentation confirms what inputs are expected or what the response contains.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-call","paypal-payments","json-response","no-api-key"],"categories":["payments","finance"],"synonyms":["paypal payment api","x402 paypal","crypto paypal bridge","pay-per-call payments","lowpaymentfee","usdc payment endpoint","base network api"],"warnings":["No documentation available — all doc/pricing/API pages return only 'Connect wallet' with no content","Request body schema is completely unknown; no OpenAPI or examples provided","Response format and fields are undocumented","The actual functionality behind '/api/v1/paypal/payments/36' is unverified — the path suggests PayPal integration but nothing confirms this","The trailing '36' in the path is unexplained and may indicate a specific resource ID rather than a general-purpose endpoint"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/36","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/36","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 zero documentation on request/response schemas, no OpenAPI spec, and all doc pages are empty. The specific functionality of this PayPal payments endpoint is entirely unclear — we only know the path and the 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'/request':13,28,153 '0.02':12,27,122,152 '000':111 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':133 '0x8335':116 '20':110 '2913':117 '300':136 '402':92 '6':126 'accept':141 'access':39,167 'across':60 'actual':187 'address':132 'advertis':149 'ai/ml':63 'amount':107 'analyt':62 'api':38,58,158 'application/json':146 'base':9,24,77,112,119 'base network api' 'base-network' 'beyond':170 'bodi':189 'broader':49 'call':4,19,57 'categori':68 'challeng':90 'confirm':213 'connect':183 'contain':222 'crypto paypal bridge' 'data':61 'decim':127 'document':169,212 'dozen':52 'empti':176 'endpoint':7,22,32,59,82,140,200,204 'equal':121 'essenti':175 'exact':102 'exact-schem':101 'expect':217 'financ':64 'format':192 'function':195 'header':98 'howev':168 'http':91 'infrastructur':65 'input':215 'instant':166 'json-response' 'key':159 'land':172 'limit':162 'live':84 'locat':41 'lowpaymentfee' 'lowpaymentfee.com':34 'maximum':106 'minimum':164 'model':155 'network':78 'no-api-key' 'offer':51 'page':173,180 'part':46 'particular':198 'path':205 'pay':2,17,55 'pay-per-cal':1,16,54 'pay-per-call' 'pay-per-call payments' 'payment':6,21,67,97,104,128,199,208 'paypal':5,20,207 'paypal payment api' 'paypal-payments' 'per':3,18,56 'platform':50,148 'post':142 'premium':37 'price':154 'process':209 'protocol':74 'provid':35 'rate':161 'request':143,188 'requir':93,108 'resourc':40 'respons':191,221 'return':86,145 'schema':190 'scheme':103 'second':137 'sent':130 'settl':70 'show':182 'specif':194 'sub':179 'sub-pag':178 'suggest':206 'timeout':138 'uniform':151 'unit':113 'unknown':202 'usd':123 'usdc':15,30,80,115,124 'usdc payment endpoint' 'usdc-settlement' 'use':79,125 'valid':88 'via':10,25,71 'wallet':184 'x':96 'x-payment':95 'x402':11,26,73,89 'x402 paypal' 'x402-payment'","prices":[{"id":"48ed25ae-31d4-48ef-b704-03bdc0399a12","listingId":"5e60a1d7-55f9-47cc-aa61-9409cd1ea973","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/36","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:07.705Z"}],"sources":[{"listingId":"5e60a1d7-55f9-47cc-aa61-9409cd1ea973","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/36","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:07.705Z","lastSeenAt":"2026-04-23T16:07:20.840Z"}],"details":{"listingId":"5e60a1d7-55f9-47cc-aa61-9409cd1ea973","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/36 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns HTTP 402 with x402 challenge requiring 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/36"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, no minimums","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/36"},{"claim":"Payment timeout is 300 seconds, payTo address is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/36"}],"useCases":["Triggering PayPal payments programmatically via a crypto-settled API call","Integrating PayPal payment functionality into agent workflows without API key management","Making one-off payment requests with USDC micropayments on Base"],"bestFor":["Agents needing PayPal payment access without traditional API key signup","Developers wanting pay-per-use payment processing with no commitments","Crypto-native applications that want to bridge to PayPal rails"],"notFor":["Production payment processing requiring documented SLAs and support","Use cases needing detailed API documentation and request/response schemas","High-volume payment processing where $0.02/call adds up significantly"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.933Z"},"updatedAt":"2026-04-23T16:07:20.840Z"}}