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 and 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/24` is listed under the title "Premium API Access." The x402 challenge confirms it accepts POST requests, requires up to 20,000 base units of USDC (0.02 USD given 6 decimals) per call, and pays out to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base. The response MIME type is `application/json`. However, the exact functionality behind this particular path (`stripe/charges/24`) is not documented on the provider's landing page or docs — the path suggests it may relate to Stripe charge creation or retrieval, but this is speculative. The docs, pricing, and README pages all render only a "Connect wallet" prompt with no additional documentation.
Because there is no OpenAPI schema, no request/response examples, and no documentation beyond the landing page's generic API catalog, the precise input parameters and output format for this endpoint remain unknown. Callers should experiment with POST requests after attaching a valid x402 payment header.
Capabilities
Use cases
- —Paying per-call for API access without API keys or subscriptions
- —Programmatic access to a premium endpoint settled in USDC on Base
- —Agent-driven workflows that need instant, keyless API access with crypto payment
Fit
Best for
- —Developers wanting zero-signup, pay-as-you-go API access
- —AI agents with x402-compatible payment capabilities
- —Users who prefer on-chain USDC settlement on Base L2
Not for
- —Users who need detailed API documentation or schemas before integrating
- —Anyone without a Base-compatible USDC wallet or x402 client
- —High-volume use cases where per-request crypto settlement overhead matters
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/24 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_token>"Endpoint
Quality
The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no OpenAPI schema, no request/response examples, and the specific purpose of the /stripe/charges/24 path is undocumented. Effectively a stub listing.
Warnings
- —No API documentation available — docs, pricing, and README pages all render only 'Connect wallet' with no content.
- —The endpoint path '/api/v1/stripe/charges/24' is not listed in the provider's public API catalog; its exact functionality is unknown.
- —No OpenAPI schema or request/response examples are available.
- —No input parameters are documented; callers must guess or reverse-engineer the expected POST body.
Citations
- —The provider lists APIs at $0.02/request with no API keys, no rate limits, and instant access on the Base network.https://lowpaymentfee.com
- —The x402 challenge confirms maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base, equaling $0.02.https://lowpaymentfee.com/api/v1/stripe/charges/24
- —Docs, pricing, and README pages render only a 'Connect wallet' prompt with no additional content.https://lowpaymentfee.com/docs