{"id":"54c3daee-9ae4-4f13-a7fd-8f4324b525c2","shortId":"TqJGAQ","kind":"x402","title":"Pay-per-call PayPal payments endpoint on Base via x402, priced at $0.02 USDC per request.","tagline":"Pay-per-call PayPal payments endpoint on Base via x402, priced at $0.02 USDC per request.","description":"This endpoint at lowpaymentfee.com provides a PayPal payments API accessible via the x402 payment protocol. It sits under the path `/api/v1/paypal/payments/40` and accepts POST requests. Payment is settled in USDC on the Base network using the \"exact\" scheme, with a maximum amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals).\n\nThe provider's landing page advertises a broad catalog of pay-per-call APIs spanning data & analytics, AI/ML (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at $0.02 per request with no API keys, no rate limits, and no minimum commitments. However, the specific endpoint being listed here is under the PayPal payments path, and no documentation beyond the landing page is available — the /docs, /api, /pricing, and /README pages all returned only a \"Connect wallet\" prompt with no substantive content.\n\nBecause there is no OpenAPI schema, no request/response examples, and no detailed documentation for this particular endpoint, the exact request body format and response structure are unknown. The x402 challenge confirms the endpoint is live and accepting payment-gated POST requests, but what the PayPal payments endpoint actually returns remains unclear.","tags":[],"capabilities":["x402-payment-gated","usdc-base-settlement","pay-per-call","paypal-payments","post-endpoint"],"categories":["finance","payments"],"synonyms":["PayPal payment API","x402 PayPal","crypto-gated PayPal","USDC payment endpoint","lowpaymentfee PayPal","Base network API","pay-per-request payments"],"warnings":["No documentation available — /docs, /pricing, /api, and /README pages all show only 'Connect wallet' with no content.","No OpenAPI or request/response schema provided; request body format is unknown.","The exact functionality of /api/v1/paypal/payments/40 is unclear — it may proxy PayPal payments but this is unverified.","The broad catalog of endpoints on the landing page lacks any detailed documentation for any individual endpoint."],"endpointUrl":"https://lowpaymentfee.com/api/v1/paypal/payments/40","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/40","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The x402 challenge confirms the endpoint is live and payment-gated at $0.02 USDC on Base. However, there is no OpenAPI schema, no request/response documentation, no examples, and the docs/pricing/README pages are all empty. The purpose and behavior of this specific PayPal payments endpoint is essentially 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'/api/v1/paypal/payments/40':55 '/docs':172 '/pricing':174 '/readme':176 '0.02':14,31,83,135 '000':79 '20':78 '6':87 'Base network API' 'PayPal payment API' 'USDC payment endpoint' 'accept':57,225 'access':44 'actual':237 'advertis':94 'ai/ml':107 'amount':76 'analysi':109 'analyt':106 'api':43,103,140 'avail':170 'base':9,26,67,80 'beyond':165 'bodi':209 'broad':96 'call':4,21,102 'catalog':97 'challeng':218 'classif':111 'commit':148 'confirm':219 'connect':182 'content':188 'convers':128 'crypto-gated PayPal' 'data':105 'decim':88 'detail':200 'document':164,201 'embed':112 'endpoint':7,24,36,131,152,205,221,236 'estim':122 'exact':71,207 'exampl':197 'exchang':117 'feed':116 'financ':113 'format':210 'gas':121 'gate':228 'generat':129 'geocod':126 'given':84 'howev':149 'i.e':82 'infrastructur':124 'key':141 'land':92,167 'limit':144 'list':133,154 'live':223 'lowpaymentfee PayPal' 'lowpaymentfee.com':38 'maximum':75 'minimum':147 'network':68 'openapi':193 'page':93,168,177 'particular':204 'path':54,161 'pay':2,19,100 'pay-per-cal':1,18,99 'pay-per-call' 'pay-per-request payments' 'payment':6,23,42,48,60,160,227,235 'payment-g':226 'paypal':5,22,41,159,234 'paypal-payments' 'per':3,16,20,33,101,136 'post':58,229 'post-endpoint' 'price':12,29,115 'prompt':184 'protocol':49 'provid':39,90 'quot':120 'rate':118,143 'remain':239 'request':17,34,59,137,208,230 'request/response':196 'respons':212 'return':179,238 'schema':194 'scheme':72 'sentiment':108 'settl':62 'sit':51 'span':104 'specif':151 'structur':213 'substant':187 'summar':110 'token':119 'unclear':240 'unit':81 'unknown':215 'usdc':15,32,64,85 'usdc-base-settlement' 'use':69 'util':125 'valid':127 'via':10,27,45 'wallet':183 'web3':114 'x402':11,28,47,217 'x402 PayPal' 'x402-payment-gated'","prices":[{"id":"2b88ce00-1473-4d33-9139-349b999e517e","listingId":"54c3daee-9ae4-4f13-a7fd-8f4324b525c2","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/40","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:51:09.481Z"}],"sources":[{"listingId":"54c3daee-9ae4-4f13-a7fd-8f4324b525c2","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/paypal/payments/40","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:51:09.481Z","lastSeenAt":"2026-04-23T16:07:20.895Z"}],"details":{"listingId":"54c3daee-9ae4-4f13-a7fd-8f4324b525c2","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/40 \\\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 x402 challenge returns a 402 with maxAmountRequired of 20000 base units in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/40"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/paypal/payments/40"},{"claim":"All endpoints listed at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The provider advertises APIs across data & analytics, AI/ML, finance & Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Programmatic PayPal payment initiation via a crypto-settled API call","Agent-driven payment workflows that settle in USDC on Base","Integrating PayPal payment functionality without traditional API key management"],"bestFor":["Developers wanting keyless, pay-per-call access to a PayPal payments endpoint","AI agents that can settle x402 payments in USDC on Base","Prototyping payment flows without upfront commitments or rate limits"],"notFor":["Production PayPal integrations requiring documented, well-specified APIs","Users who need detailed request/response schemas before integration","High-volume payment processing where $0.02 per call adds up significantly"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:04.917Z"},"updatedAt":"2026-04-23T16:07:20.895Z"}}