x402-gated account statements endpoint on Base, pay-per-request with USDC.
What it does
This endpoint at lowpaymentfee.com provides access to account statements via a POST request to `/api/v1/accounts/58/statements`. It is part of a broader platform offering dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all gated behind the x402 payment protocol on the Base network.
The specific endpoint probed returns a 402 challenge requesting payment of up to 20,000 base units of USDC (contract `0x8335…2913` on Base). Since USDC uses 6 decimals, this translates to $0.02 per request, consistent with the site's advertised flat pricing of $0.02/request across all endpoints. Payment is settled on-chain to address `0x1A2B…85F3` using the x402 "exact" scheme with a 300-second timeout.
The platform advertises no API keys, no rate limits, and instant access. However, documentation is extremely thin — the /docs, /api, /pricing, and /README pages all render only a "Connect wallet" prompt with no further technical content. There is no OpenAPI spec, no request/response schema documentation, and no usage examples. The purpose of the "account statements" resource at account ID 58 is unclear; it may be a demo or placeholder. Without documentation on what fields to send in the POST body or what the response contains, practical integration requires experimentation.
Capabilities
Use cases
- —Retrieving account statement data via a single paid API call
- —Demonstrating x402 payment protocol integration on Base
- —Agent-driven financial data retrieval with on-chain settlement
Fit
Best for
- —Developers experimenting with x402 payment flows
- —Agents that can settle USDC payments on Base
- —Use cases needing keyless, pay-per-request API access
Not for
- —Production workloads requiring documented request/response schemas
- —Users without a Base-compatible USDC wallet
- —High-volume batch processing where per-call fees add up
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/accounts/58/statements \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>" \
-d '{}'Endpoint
Quality
The endpoint is live and returns a valid x402 challenge with clear pricing. However, there is no OpenAPI spec, no request/response documentation, no examples, and the purpose of the specific resource (account 58 statements) is unexplained. The rest of the site's docs pages are empty beyond a wallet-connect prompt.
Warnings
- —No documentation available — /docs, /api, /pricing, /README all show only 'Connect wallet'
- —No OpenAPI or schema describing request body or response format for this endpoint
- —The resource path '/api/v1/accounts/58/statements' references a specific account ID (58) with no explanation of what data it returns
- —The broader platform lists many endpoints but none have documented schemas
Citations
- —The endpoint returns a 402 challenge requesting up to 20,000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/accounts/58/statements
- —USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/accounts/58/statements
- —Platform advertises $0.02/request flat pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —Documentation pages (/docs, /api, /pricing, /README) render only a 'Connect wallet' prompthttps://lowpaymentfee.com/docs