x402-gated premium API access on Base, paid per-call in USDC.
What it does
This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a variety of pay-per-request APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints on the platform use the x402 protocol, settling payments in USDC on the Base network.
The specific endpoint `/api/v1/stripe/charges/177` accepts POST requests and costs up to $0.02 per call (20,000 base units of USDC with 6 decimals). The platform advertises no API keys, no rate limits, and instant access — callers simply attach an X-PAYMENT header with a valid x402 payment proof. The endpoint returns application/json responses.
However, the exact functionality of this particular endpoint is unclear. The path suggests it may relate to Stripe charge data or operations, but no documentation, request schema, or response schema is available. The platform's docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no substantive content. Without further documentation, the precise input parameters and output format remain unknown.
Capabilities
Use cases
- —Programmatic access to a premium API endpoint with per-request USDC micropayments
- —Agent-driven workflows that need x402-compatible endpoints on Base
- —Accessing Stripe charge-related data or operations without traditional API keys
Fit
Best for
- —Developers or agents already set up for x402 payments on Base
- —Use cases requiring keyless, pay-as-you-go API access
- —Low-volume callers who prefer per-request billing over subscriptions
Not for
- —Users who need detailed API documentation before integrating
- —High-volume use cases where per-call pricing may add up without volume discounts
- —Anyone without a Base-compatible USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/177 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-proof>"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge, but there is no documentation, no request/response schema, and no explanation of what this specific endpoint actually does. The docs pages are empty (just 'Connect wallet'). The listing is effectively a stub.
Warnings
- —No documentation available — all doc pages render only 'Connect wallet'
- —Exact functionality of /api/v1/stripe/charges/177 is unknown; path suggests Stripe charge operations but this is unconfirmed
- —No request or response schema provided
- —No OpenAPI spec or AI plugin manifest found
Citations
- —The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/stripe/charges/177
- —Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/stripe/charges/177
- —Docs, API, pricing, and README pages all show only 'Connect wallet' with no substantive contenthttps://lowpaymentfee.com/docs