Pay-per-call audit log access on Base via x402 — $0.02/request in USDC.
What it does
This endpoint at lowpaymentfee.com provides access to audit log data (specifically log entry #37) via the x402 payment protocol. The endpoint is live and returns a 402 challenge requiring payment in USDC on the Base network. The price per request is 20,000 base units of USDC (6 decimals), which equals $0.02 USD. No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.
The provider lowpaymentfee.com hosts a broad catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities, all priced at $0.02 per request. This specific endpoint (`/api/v1/audit/logs/37`) is labeled "Premium API Access" and returns JSON. It accepts POST requests and settles payments to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base.
Documentation is extremely sparse — the docs, pricing, and API pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what the audit log data actually contains. The endpoint's purpose and response format must be inferred entirely from its URL path and the x402 challenge metadata.
Capabilities
Use cases
- —Retrieving audit log entries via programmatic pay-per-call access
- —Agent-driven data retrieval with automatic USDC micropayments
- —Accessing structured audit data without API key provisioning
Fit
Best for
- —Agents or scripts that need on-demand audit log access with no signup
- —Developers experimenting with x402 payment protocol integrations
- —Low-volume consumers who prefer pay-per-use over subscriptions
Not for
- —High-volume audit log consumers who need bulk export or streaming
- —Users who need detailed documentation or guaranteed SLAs before integrating
- —Anyone without a Base-network USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/37 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-proof>"Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge, but there is zero documentation on request parameters, response schema, or what 'audit logs' actually contain. No OpenAPI spec, no examples, and all doc pages are empty wallet-connect stubs. The listing is essentially a stub.
Warnings
- —No documentation available — docs, pricing, and API pages all show only 'Connect wallet' with no content
- —No request or response schema provided; the actual data returned by this endpoint is unknown
- —The endpoint path references a specific log ID (37) — it is unclear if this is parameterized or a fixed resource
- —Provider hosts many endpoints but none have published schemas or usage examples
Citations
- —Endpoint returns 402 with x402 challenge requiring USDC on Base networkhttps://lowpaymentfee.com/api/v1/audit/logs/37
- —Price is $0.02 per request (20000 base units USDC, 6 decimals)https://lowpaymentfee.com
- —No API keys, no rate limits, instant access advertisedhttps://lowpaymentfee.com
- —USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/audit/logs/37
- —Docs, pricing, and API pages render only 'Connect wallet'https://lowpaymentfee.com/docs