x402-payable account statements endpoint on Base, settling 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/55/statements` accepts POST requests and returns JSON. The x402 challenge confirms the endpoint is live, advertising a max amount of 20,000 base units of USDC (0x8335…2913 on Base, 6 decimals), which equals $0.02. Payment is made via the x402 exact scheme with no API keys or rate limits required — callers simply attach an X-PAYMENT header with a valid payment proof.
Documentation is extremely sparse. The crawled docs, pricing, and API pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no explanation of what "account statements" contain or what parameters the POST body accepts. The endpoint path includes a hardcoded account ID (55), and it is unclear whether other account IDs are supported or what data model underlies the statements resource.
Capabilities
Use cases
- —Retrieving account statement data programmatically via a single paid request
- —Integrating pay-per-use financial data into agent workflows without API key management
- —Demonstrating x402 protocol payment flows on Base network
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents needing on-demand account statement retrieval without subscription commitments
- —Low-volume, pay-as-you-go financial data access
Not for
- —Production use cases requiring documented request/response schemas
- —High-volume bulk data retrieval where per-request pricing is inefficient
- —Users who need detailed API documentation before integration
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/accounts/55/statements \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-proof>"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and no explanation of what data the endpoint actually returns. The listing is effectively a stub.
Warnings
- —No API documentation available — docs, pricing, and API pages all render only 'Connect wallet'
- —No request body schema or response schema documented anywhere
- —Endpoint path contains a hardcoded account ID (55); unclear if other IDs are valid
- —The purpose and data model of 'account statements' is entirely undocumented
- —No OpenAPI or machine-readable spec found
Citations
- —The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/accounts/55/statements
- —All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/accounts/55/statements