Pay-per-call on-chain analytics. USDC over x402 on Base mainnet. No account, no API key.
POST /v1/contract-audit
eth_getCode bytecode → schema-pinned audit JSON (findings, severity, follow-up). Multi-chain.
POST /v1/tx-explain
tx + receipt → human-readable decoded explanation. Multi-chain.
POST /v1/erc20-rugcheck
Token metadata + owner/paused slots → rug-pull risk JSON.
POST /v1/safe-tx-preview
Gnosis Safe owners/threshold + inner-call simulation → pre-flight risk JSON.
POST /v1/contract-diff
Selector + bytecode diff between two contracts → upgrade-intent JSON.
POST /v1/x402-payment-trace
Decode an EIP-3009 settlement tx → who paid whom, for what.
POST /v1/x402-quote-audit
Compare a competitor's x402 manifest against our catalog → pricing verdict.