x402-payable account statements endpoint on Base, settled in USDC at $0.02/request.
What it does
This endpoint at lowpaymentfee.com provides account statement data behind an x402 paywall. It is part of a broader platform offering dozens of pay-per-request 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.
The specific endpoint `/api/v1/accounts/120/statements` is described as "Premium API Access" and accepts POST requests. The x402 challenge confirms it is live, requiring a maximum of 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals) per call, paid to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base. The payment scheme is "exact" with a 300-second timeout. No API keys or rate limits are advertised; access is granted purely via the x402 payment header.
Documentation is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what the statements endpoint actually returns or what parameters it accepts. The endpoint appears to be one of many on a platform designed to demonstrate low-fee x402 micropayments, but the actual data served is unclear.
Capabilities
Use cases
- —Retrieving account statement data via a single micropayment
- —Demonstrating x402 payment protocol integration on Base
- —Agent-driven financial data retrieval without API key management
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents needing keyless, pay-per-call access to account data
- —Micropayment-based API consumption on Base L2
Not for
- —Production use requiring documented request/response schemas
- —High-volume batch retrieval where per-request pricing is inefficient
- —Users who need detailed API documentation before integrating
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/accounts/120/statements \
-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, but there is no OpenAPI schema, no request/response documentation, no examples, and no explanation of what data the statements endpoint actually returns. The docs pages are empty beyond a wallet-connect prompt. This is effectively a stub listing.
Warnings
- —No OpenAPI or request/response schema available
- —Documentation pages (docs, API, pricing, README) contain no substantive content
- —The actual data returned by the /accounts/120/statements endpoint is undocumented
- —It is unclear whether account ID 120 is a fixed demo or parameterizable
- —Platform appears to be a demonstration/showcase site for x402 micropayments rather than a production data provider
Citations
- —The endpoint returns a 402 challenge requiring 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/accounts/120/statements
- —All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/accounts/120/statements
- —The platform offers APIs across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categorieshttps://lowpaymentfee.com