Pay-per-call audit log access on Base via x402 — $0.02 per request in USDC.
What it does
This endpoint at lowpaymentfee.com provides access to audit log data (specifically log ID 78) via the x402 payment protocol. It is part of a broader platform offering dozens of pay-per-request API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all settled on the Base network using USDC.
The specific resource `/api/v1/audit/logs/78` is labeled "Premium API Access" and accepts POST requests. Payment is handled inline via the x402 protocol: callers attach an `X-PAYMENT` header with a signed USDC payment on Base. The maximum amount required per call is 20,000 base units of USDC (6 decimals), which equals $0.02 USD. The platform advertises no API keys, no rate limits, and instant access — you pay per request and nothing more.
Documentation on the site is extremely thin. The /docs, /pricing, /api, and /README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The endpoint is confirmed live (returns a proper 402 challenge), but the actual data returned after successful payment is unknown. The audit-log path suggests it returns structured JSON log entries, but this is inferred from the URL pattern and mime type declaration alone.
Capabilities
Use cases
- —Retrieving audit log entries on a per-request payment basis without needing an API key
- —Agent-driven data access where payment is settled on-chain per call
- —Programmatic access to log data with no subscription or rate-limit overhead
Fit
Best for
- —Developers or agents needing one-off audit log lookups without account setup
- —x402-compatible agents that can sign USDC payments on Base
- —Use cases where pay-per-request is preferred over subscription billing
Not for
- —Bulk audit log retrieval requiring thousands of calls (cost adds up at $0.02 each)
- —Users who need detailed API documentation or guaranteed SLAs before integrating
- —Anyone without a Base-compatible USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/78 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <signed-x402-payment-header>"Endpoint
Quality
The endpoint is confirmed live with a valid 402 challenge and clear pricing ($0.02 USDC on Base). However, there is no documentation, no OpenAPI spec, no request/response schema, and no examples. The actual data returned is completely unknown. The audit-log path itself is not listed on the site's landing page, making it unclear whether this is a real production resource or a demo/placeholder.
Warnings
- —No documentation available — /docs, /pricing, /api, and /README pages all show only 'Connect wallet' with no content.
- —No OpenAPI or schema definition found for this endpoint.
- —The path /api/v1/audit/logs/78 is not listed among the site's advertised APIs, raising questions about whether it is a production resource.
- —Response format and fields are completely unknown; only the mimeType 'application/json' is declared.
Citations
- —The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base network.https://lowpaymentfee.com/api/v1/audit/logs/78
- —The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base network.https://lowpaymentfee.com
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.https://lowpaymentfee.com/api/v1/audit/logs/78
- —Documentation pages (/docs, /pricing, /api, /README) render only a 'Connect wallet' prompt.https://lowpaymentfee.com/docs