Pay-per-call PayPal payments endpoint on Base via x402, $0.02/request in USDC.
What it does
This endpoint at lowpaymentfee.com provides a "Premium API Access" resource at the path `/api/v1/paypal/payments/34`. It is part of a broader platform offering dozens of pay-per-call API endpoints across categories like data analytics, AI/ML inference, finance, and infrastructure utilities — all gated by the x402 payment protocol on the Base network.
The specific endpoint accepts POST requests and is priced at 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 per request (USDC uses 6 decimals). Payment is settled on-chain via the x402 "exact" scheme, meaning the caller must attach a one-shot USDC payment in the X-PAYMENT header for each request. No API keys, rate limits, or upfront commitments are required — access is instant once payment is included.
Documentation on the site is extremely sparse: the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema, and no explanation of what the `/paypal/payments/34` resource actually returns or what input it expects. The endpoint name suggests PayPal payment processing functionality, but without documentation this is speculative. The x402 challenge confirms the endpoint is live and responding with a valid 402 payment challenge.
Capabilities
Use cases
- —Processing or retrieving PayPal payment information on a per-call basis
- —Integrating pay-per-use payment endpoints into agent workflows without API key management
- —Settling API costs in USDC on Base L2 for low-fee transactions
Fit
Best for
- —Developers wanting keyless, pay-per-call API access settled in USDC
- —AI agents that can autonomously pay for API calls via x402
- —Users who need PayPal-related payment data without subscription commitments
Not for
- —Users who need detailed API documentation or request/response schemas before integrating
- —High-volume consumers who would benefit from bulk pricing or subscriptions
- —Anyone requiring non-crypto payment methods
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/34 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge with clear pricing. However, there is no OpenAPI spec, no documentation beyond a wallet-connect prompt, no request/response schema, and no explanation of what the endpoint actually does. The listing is effectively a stub with confirmed liveness.
Warnings
- —No API documentation available — docs, pricing, API, and README pages all show only 'Connect wallet'
- —No request or response schema provided; input format and output structure are unknown
- —The endpoint path suggests PayPal payment functionality but this is unconfirmed by any documentation
- —No OpenAPI or ai-plugin manifest discovered
Citations
- —The endpoint returns a valid x402 402 challenge with maxAmountRequired of 20000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/paypal/payments/34
- —The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/paypal/payments/34