{"id":"28e741dd-6fde-4094-981b-1121088b137a","shortId":"AsFEVY","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. The specific resource `/api/v1/paypal/payments/91` is labeled \"Premium API Access\" and accepts POST requests. Payment is settled on the Base network using USDC (USD Coin) at a cost of $0.02 per request (20,000 base units with 6 decimals). No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nThe broader lowpaymentfee.com platform advertises a range of pay-per-call APIs spanning data analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance/crypto data feeds, and utility services, all priced uniformly at $0.02 per request. However, the specific functionality behind this particular PayPal payments endpoint is not documented beyond its title. The crawled docs, pricing, and README pages all returned only a \"Connect wallet\" prompt with no additional technical documentation or schema details.\n\nBecause there is no OpenAPI spec, request/response schema, or usage documentation available, the actual behavior of this endpoint — what inputs it expects and what it returns — remains unclear. Agents should treat this as a lightly documented endpoint and test carefully before relying on it in production workflows.","tags":[],"capabilities":["x402-payment","paypal-payments","usdc-settlement","base-network","pay-per-call","no-api-key"],"categories":["finance","payments"],"synonyms":["PayPal API","payment processing","x402 PayPal","USDC payment endpoint","lowpaymentfee","pay-per-request API","Base network payments"],"warnings":["No request or response schema available — actual endpoint behavior is unknown","All documentation pages (docs, pricing, README, api) returned only 'Connect wallet' with no technical content","The specific purpose of '/api/v1/paypal/payments/91' (resource ID 91) is unexplained","No OpenAPI spec or ai-plugin manifest found"],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/91","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/91","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (returns a valid x402 402 challenge) and pricing is clear ($0.02 USDC on Base), but there is no API documentation, no request/response schema, and no explanation of what the PayPal payments endpoint actually does. The docs, pricing, and README pages all returned only a wallet-connect prompt with no 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'/request':13,28 '0.02':12,27,74,139 '000':78 '20':77 '6':82 'Base network payments' 'PayPal API' 'USDC payment endpoint' 'accept':56 'access':40,54 'actual':193 'addit':174 'advertis':110 'agent':208 'ai/ml':122 'analysi':125 'analyt':121 'api':39,53,85,118 'attach':94 'avail':191 'base':9,24,64,79 'base-network' 'behavior':194 'behind':146 'beyond':155 'broader':107 'call':4,19,117 'caller':92 'care':219 'classif':127 'coin':69 'connect':169 'cost':72 'crawl':159 'data':120,130 'decim':83 'detail':179 'doc':160 'document':154,176,190,215 'embed':128 'endpoint':7,22,32,151,197,216 'expect':201 'feed':131 'finance/crypto':129 'function':145 'header':99 'howev':142 'infer':123 'input':199 'key':86 'label':51 'light':214 'limit':89 'lowpaymentfee' 'lowpaymentfee.com':34,108 'network':65 'no-api-key' 'openapi':184 'page':164 'particular':148 'pay':2,17,115 'pay-per-cal':1,16,114 'pay-per-call' 'pay-per-request API' 'payment':6,21,38,44,59,98,104,150 'payment processing' 'paypal':5,20,37,149 'paypal-payments' 'per':3,18,75,116,140 'platform':109 'post':57 'premium':52 'price':136,161 'product':225 'prompt':171 'proof':105 'protocol':45 'provid':35 'rang':112 'rate':88 'readm':163 'reli':221 'remain':206 'request':58,76,141 'request/response':186 'requir':91 'resourc':48 'return':166,205 'schema':178,187 'sentiment':124 'servic':134 'settl':61 'simpli':93 'span':119 'spec':185 'specif':47,144 'summar':126 'technic':175 'test':218 'titl':157 'treat':210 'unclear':207 'uniform':137 'unit':80 'usag':189 'usd':68 'usdc':15,30,67 'usdc-settlement' 'use':66 'util':133 'valid':102 'via':10,25,41 'wallet':170 'workflow':226 'x':97 'x-payment':96 'x402':11,26,43,103 'x402 PayPal' 'x402-payment'","prices":[{"id":"7f894a63-e212-4a9a-9159-b9dcba7d3ab0","listingId":"28e741dd-6fde-4094-981b-1121088b137a","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/91","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:23.526Z"}],"sources":[{"listingId":"28e741dd-6fde-4094-981b-1121088b137a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/91","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:23.526Z","lastSeenAt":"2026-04-23T12:31:31.286Z"}],"details":{"listingId":"28e741dd-6fde-4094-981b-1121088b137a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/91 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-proof>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns a valid x402 challenge with maxAmountRequired of 20000 base units in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/91"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/91"}],"useCases":["Programmatic PayPal payment initiation via crypto micropayments","Agent-driven payment workflows without API key management","Pay-per-call access to payment infrastructure"],"bestFor":["Agents needing PayPal payment functionality without traditional API keys","Developers who want to pay per request with USDC on Base","Crypto-native applications integrating PayPal payment rails"],"notFor":["Users who need detailed API documentation or guaranteed SLAs","High-volume payment processing requiring bulk pricing","Applications that cannot settle payments on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.232Z"},"updatedAt":"2026-04-23T12:31:31.286Z"}}