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/77`. 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 charges up to 20,000 base units of USDC (contract `0x8335…2913` on Base), which equals $0.02 per request (USDC uses 6 decimals). Payment is made via the x402 exact-payment scheme with no API keys or rate limits required — callers simply attach an `X-PAYMENT` header with a valid payment proof. The endpoint returns `application/json` responses and has a payment timeout of 300 seconds.
The platform advertises a uniform $0.02/request pricing model across all its endpoints with no minimums or commitments. However, documentation is extremely sparse — the docs, pricing, and API pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI schema, no request/response examples, and no description of what the `/paypal/payments/77` endpoint actually does or what parameters it accepts. The endpoint is live (returns a valid 402 challenge), but without documentation it is unclear what payload to send or what response to expect.
Capabilities
Use cases
- —Making PayPal-related payment calls via a crypto-gated endpoint
- —Integrating pay-per-call payment functionality into agent workflows
- —Accessing financial API services without API key registration
Fit
Best for
- —Developers wanting keyless, pay-per-call API access on Base
- —Agent systems that can handle x402 payment challenges natively
- —Users comfortable with USDC micropayments for API calls
Not for
- —Anyone needing detailed API documentation or request/response schemas before integrating
- —Production systems requiring guaranteed SLAs or support channels
- —Users who cannot transact in USDC on the Base network
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/paypal/payments/77 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-proof>" \
-d '{}'Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge, confirming it exists and accepts payments. However, there is no OpenAPI schema, no documentation beyond a landing page listing, no request/response examples, and no explanation of what the endpoint actually does. The docs/pricing/API pages are all blank beyond a wallet connect prompt. This is effectively a stub listing.
Warnings
- —No documentation available — docs, pricing, and API pages all show only 'Connect wallet' with no technical content
- —No OpenAPI or request/response schema provided; it is unknown what request body the endpoint expects
- —The purpose of '/api/v1/paypal/payments/77' is unclear — the name suggests PayPal integration but no details are available
- —The platform lists many endpoints but none have documented behavior or schemas
Citations
- —The endpoint returns a valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/paypal/payments/77
- —The platform advertises $0.02/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/77
- —Docs, pricing, and API pages render only a 'Connect wallet' prompt with no further contenthttps://lowpaymentfee.com/docs