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 ID 54) via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a broad catalog of pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities. All endpoints on the platform share a uniform $0.02 per request pricing model, settled in USDC on the Base network.
The specific endpoint `/api/v1/audit/logs/54` is labeled "Premium API Access" in the x402 challenge. The x402 challenge confirms the endpoint is live, accepting POST requests, and requiring a payment of 20,000 base units of USDC (0x8335…2913 on Base, 6 decimals), which equals $0.02. Payment is made to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a maximum timeout of 300 seconds.
Documentation is extremely sparse. The crawled docs, API, pricing, and README pages all returned only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no detailed description of what the audit log endpoint returns. The platform advertises no API keys, no rate limits, and instant access, but the actual data schema and response format for this endpoint remain unknown.
Capabilities
Use cases
- —Retrieving audit log records on a per-request payment basis
- —Programmatic access to audit data without API key management
- —Agent-driven data retrieval with crypto micropayments
Fit
Best for
- —Developers wanting keyless, pay-per-call audit log access
- —AI agents that can settle x402 payments in USDC on Base
- —Users who prefer no-commitment, no-subscription API access
Not for
- —Users needing detailed API documentation or response schemas before integrating
- —High-volume consumers who would benefit from bulk pricing or subscriptions
- —Anyone unable to pay with USDC on the Base network
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/54 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is no documentation, no OpenAPI schema, no request/response examples, and the endpoint's purpose ('audit logs') is only vaguely described. Effectively a stub listing.
Warnings
- —No OpenAPI or schema documentation available — response format is entirely unknown
- —All doc/pricing/README pages return only 'Connect wallet' with no content
- —The specific purpose and data returned by /api/v1/audit/logs/54 is not documented
- —Cannot verify what 'audit logs' contain or whether the endpoint returns meaningful data
Citations
- —The endpoint returns HTTP 402 with an x402 challenge requiring 20000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/audit/logs/54
- —Platform advertises $0.02/request pricing, no API keys, no rate limits, instant accesshttps://lowpaymentfee.com
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/audit/logs/54
- —Platform offers APIs across data/analytics, AI/ML, finance/Web3, and infrastructure categorieshttps://lowpaymentfee.com