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/39/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 charges up to $0.02 per request (20,000 base units of USDC with 6 decimals) settled on-chain to a Base address. Payment is made via the x402 exact scheme: callers attach an `X-PAYMENT` header with a signed payment to the `payTo` address. No API keys, subscriptions, or rate limits are advertised — access is purely pay-per-use.
Documentation is extremely sparse. The landing page lists available endpoints and pricing, but the `/docs`, `/api`, `/pricing`, and `/README` pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema, and no usage examples. The purpose of the "accounts/39/statements" resource specifically is unclear — it could be a demo or a fixed account endpoint. Without documentation on request body format or response structure, integrators will need to experiment or contact the provider.
Capabilities
Use cases
- —Retrieving account statement data via a single paid API call
- —Programmatic access to financial account records without API key management
- —Agent-driven data retrieval with on-chain USDC micropayments
Fit
Best for
- —Developers wanting keyless, pay-per-use API access on Base
- —AI agents with x402 payment capability needing account data
- —Prototyping x402 payment flows with a live endpoint
Not for
- —Production use requiring documented request/response schemas
- —High-volume batch retrieval where per-call pricing is inefficient
- —Users without a Base-network USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/accounts/39/statements \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <signed-x402-payment-token>"Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge, confirming it works. However, there is no OpenAPI spec, no documentation beyond a landing page, no request/response schema, and the specific resource (accounts/39/statements) is unexplained. The docs, pricing, and README pages are all empty. This is effectively a stub listing.
Warnings
- —No OpenAPI or schema documentation available — request body format and response structure are unknown.
- —The endpoint path '/api/v1/accounts/39/statements' references a hardcoded account ID (39); unclear if this is a demo or a real resource.
- —All documentation pages (/docs, /api, /pricing, /README) render only 'Connect wallet' with no content.
- —The broader platform lists many endpoints but none have documented schemas or examples.
Citations
- —The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base network.https://lowpaymentfee.com/api/v1/accounts/39/statements
- —The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base network.https://lowpaymentfee.com
- —The asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 is USDC on Base with 6 decimals.https://lowpaymentfee.com