x402-gated account statements endpoint on Base, paid per-request in USDC.
What it does
This endpoint at lowpaymentfee.com provides access to account statements via a POST request to `/api/v1/accounts/160/statements`. It is part of a broader platform (lowpaymentfee.com) that offers a variety of x402-protocol pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities.
The specific endpoint probed returns a 402 challenge requesting payment of up to 20,000 base units of USDC (0x8335…2913 on Base network), which equals $0.02 per request (USDC uses 6 decimals). Payment is settled on-chain via the x402 "exact" scheme to address 0x1A2B…85F3. The platform advertises uniform $0.02/request pricing across all its endpoints, with no API keys, no rate limits, and no minimum commitments required.
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 spec, no request/response schema documentation, and no example payloads available. The endpoint's purpose ("account statements") and expected input/output formats must be inferred from the URL path and the generic description "Premium API Access." The platform appears to be a demonstration or early-stage deployment of x402-based micropayment APIs.
Capabilities
Use cases
- —Retrieving account statement data via a single paid API call
- —Demonstrating x402 protocol micropayment flows on Base
- —Agent-driven financial data retrieval with on-chain settlement
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents that can settle USDC payments on Base L2
- —Use cases needing keyless, pay-per-call API access
Not for
- —Production workloads requiring documented request/response schemas
- —Users who need fiat or non-crypto payment options
- —High-volume batch retrieval where per-call pricing is inefficient
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/accounts/160/statements \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge, but there is zero documentation on request/response schemas, no OpenAPI spec, and all doc pages are empty stubs. The purpose of the specific endpoint (account 160 statements) is unclear and may be a demo placeholder.
Warnings
- —No OpenAPI or schema documentation available — request and response formats are unknown
- —All documentation pages (/docs, /api, /pricing, /README) return only 'Connect wallet' with no content
- —The endpoint path references a specific account ID (160), suggesting this may be a demo or placeholder rather than a general-purpose API
- —No examples or descriptions of what 'account statements' contain
Citations
- —The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/accounts/160/statements
- —Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/accounts/160/statements