x402-gated premium API access on Base, paid per-call in USDC at $0.02/request.
What it does
This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall. The provider operates a suite of pay-per-call APIs spanning data & analytics, AI/ML inference, finance & Web3 data, and infrastructure utilities — all priced at $0.02 per request, settled in USDC on the Base network. No API keys, rate limits, or upfront commitments are required; callers simply attach an x402 payment header to each request.
The specific endpoint `/api/v1/stripe/charges/114` is listed under the title "Premium API Access." Its x402 challenge advertises a maxAmountRequired of 20,000 base units of USDC (0x8335… on Base), which equals $0.02 given USDC's 6 decimals. The payment scheme is "exact" with a 300-second timeout. The endpoint accepts HTTP POST and returns application/json.
Documentation beyond the landing page 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 description of what this particular endpoint actually returns. The name "stripe/charges/114" suggests it may relate to Stripe charge data or a payment-processing wrapper, but this is speculative. Prospective callers should be aware that the actual functionality behind this endpoint is undocumented.
Capabilities
Use cases
- —Programmatic access to a premium API endpoint with per-call USDC micropayments
- —Agent-driven workflows that need keyless, on-demand API access without subscriptions
- —Testing x402 payment flows on Base network
Fit
Best for
- —Developers experimenting with x402 payment protocols
- —Agents that need frictionless pay-per-call API access without API key management
- —Low-volume consumers who prefer micropayments over subscriptions
Not for
- —Users who need well-documented API contracts and response schemas before integrating
- —High-volume production workloads where per-call crypto settlement overhead matters
- —Anyone who needs to understand the exact response format before paying
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/114 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation of what the endpoint actually does or returns, and the docs/pricing/README pages are all empty wallet-connect stubs. The endpoint name 'stripe/charges/114' is opaque without further context.
Warnings
- —No documentation available — /docs, /api, /pricing, and /README pages all show only 'Connect wallet' with no content.
- —No OpenAPI or schema describing request parameters or response format.
- —The purpose of '/api/v1/stripe/charges/114' is unclear; 'Premium API Access' is a generic label that does not describe functionality.
- —No examples of successful responses are available anywhere in the crawled material.
Citations
- —The x402 challenge advertises maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base network with scheme 'exact'.https://lowpaymentfee.com/api/v1/stripe/charges/114
- —All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network.https://lowpaymentfee.com
- —The docs, api, pricing, and README pages render only a 'Connect wallet' prompt with no further content.https://lowpaymentfee.com/docs