{"id":"c5bfa946-faba-4228-93df-cc40ef271e40","shortId":"SJ4pJL","kind":"x402","title":"Pay-per-call PayPal payments endpoint on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call PayPal payments endpoint on Base via x402, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides a PayPal payments API accessible via the x402 payment protocol. The URL path (`/api/v1/paypal/payments/15`) suggests it handles PayPal payment operations, though the exact request/response schema is not documented in the available crawl material.\n\nThe endpoint is live and returns a valid x402 challenge. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with a maximum amount of 20,000 base units, which equals $0.02 (USDC uses 6 decimals). The provider advertises a flat $0.02 per request across all their APIs, with no API keys, no rate limits, and instant access. The x402 scheme is \"exact\" with a 300-second timeout.\n\nThe provider hosts a broader catalog of APIs spanning data/analytics, AI/ML, finance/Web3, and infrastructure utilities — all at the same $0.02 price point. However, documentation is extremely sparse: the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI spec, no request/response schema documentation, and no examples for this specific PayPal payments endpoint. The exact functionality (e.g., whether it initiates a PayPal payment, retrieves payment details for ID 15, or something else) cannot be confirmed from available material.","tags":[],"capabilities":["x402-payment","paypal-payments","usdc-settlement","base-network","pay-per-request"],"categories":["finance","payments"],"synonyms":["PayPal API","payment processing","PayPal payment endpoint","x402 PayPal","crypto-gated PayPal","USDC payment API","lowpaymentfee"],"warnings":["No request or response schema documentation available","All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no content","Exact functionality of /api/v1/paypal/payments/15 is unknown — unclear if it creates, retrieves, or processes PayPal payments","No OpenAPI specification found","The '15' in the URL path is unexplained — may be a payment ID, plan tier, or other parameter"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/15","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/15","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 no examples. The docs pages are empty (\"Connect wallet\" only). The exact functionality of this PayPal payments endpoint is 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'/request':17,34 '0.02':16,33,105,115,161 '000':100 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':93 '15':220 '20':99 '300':139 '6':108 'PayPal API' 'PayPal payment endpoint' 'USDC payment API' 'access':44,131 'across':118 'advertis':112 'ai/ml':152 'amount':97 'api':43,121,124,149,171 'avail':70,228 'base':9,26,88,101 'base-network' 'broader':146 'call':4,21 'cannot':224 'catalog':147 'challeng':82 'confirm':226 'connect':180 'content':186 'contract':92 'crawl':71 'crypto-gated PayPal' 'data/analytics':151 'decim':109 'detail':217 'doc':170 'document':67,165,195 'e.g':208 'els':223 'endpoint':7,24,36,74,204 'equal':104 'exact':62,136,206 'exampl':198 'extrem':167 'finance/web3':153 'flat':114 'function':207 'handl':56 'host':144 'howev':164 'id':219 'infrastructur':155 'initi':211 'instant':130 'key':125 'limit':128 'live':76 'lowpaymentfee' 'lowpaymentfee.com':38 'materi':72,229 'maximum':96 'network':89 'openapi':190 'oper':59 'page':175 'path':52 'pay':2,19 'pay-per-cal':1,18 'pay-per-request' 'payment':6,23,42,48,58,83,203,214,216 'payment processing' 'paypal':5,22,41,57,202,213 'paypal-payments' 'per':3,20,116 'point':163 'price':162,172 'prompt':182 'protocol':49 'provid':39,111,143 'rate':127 'readm':174 'render':177 'request':117 'request/response':63,193 'retriev':215 'return':78 'schema':64,194 'scheme':134 'second':140 'settl':12,29,85 'someth':222 'span':150 'spars':168 'spec':191 'specif':201 'substant':185 'suggest':54 'though':60 'timeout':141 'unit':102 'url':51 'usdc':14,31,91,106 'usdc-settlement' 'use':90,107 'util':156 'valid':80 'via':10,27,45 'wallet':181 'whether':209 'x402':11,28,47,81,133 'x402 PayPal' 'x402-payment'","prices":[{"id":"c0ad1b5e-0020-4830-8905-1e7f07c5b010","listingId":"c5bfa946-faba-4228-93df-cc40ef271e40","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/15","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:00.554Z"}],"sources":[{"listingId":"c5bfa946-faba-4228-93df-cc40ef271e40","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/15","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:00.554Z","lastSeenAt":"2026-04-23T17:31:52.428Z"}],"details":{"listingId":"c5bfa946-faba-4228-93df-cc40ef271e40","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/15 \\\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":"Endpoint returns valid x402 challenge with maxAmountRequired of 20000 base units in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/15"},{"claim":"Provider advertises $0.02 per request 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/15"}],"useCases":["Initiating or retrieving PayPal payment information via a pay-per-call model","Integrating PayPal payment operations into agent workflows without API key management","Accessing PayPal payment data settled via USDC on Base L2"],"bestFor":["Developers wanting keyless, pay-per-use PayPal payment API access","AI agents that can settle x402 micropayments on Base","Projects needing low-friction PayPal integration without subscription commitments"],"notFor":["Production payment processing requiring well-documented, auditable APIs","Use cases needing detailed request/response schema documentation before integration","High-volume PayPal operations where direct PayPal API access would be more cost-effective"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:05.348Z"},"updatedAt":"2026-04-23T17:31:52.428Z"}}