Solidity audits, paid per call.

Deterministic static analysis of one Solidity contract. Returns JSON findings with severity, a 0–100 score and remediation hints. Payment is the only authentication: USDC on Base over x402 v2, settled through the public PayAI facilitator.

eip155:8453 · BaseUSDCx402 v2 exactno account

EndpointPriceWhat you get
POST /api/audit/surface$1.00Static surface scan of one Solidity contract: exposed state-changing functions, access-control modifiers, external calls, upgradeability, and a machine-readable risk list. Returns JSON.
POST /api/audit/full$3.00Full automated audit of one Solidity contract: surface scan plus reentrancy / access-control / arithmetic / oracle patterns, severity ranking, and a patch suggestion per finding. Returns JSON.

Call a route with no payment header and you get HTTP 402 plus an x402 challenge in the PAYMENT-REQUIRED header. Sign, retry with PAYMENT-SIGNATURE, get the audit.

Machine-readable: /openapi.json · /.well-known/x402 · /.well-known/x402.json · /.well-known/agent-card.json · /mcp (MCP) · /llms.txt

payTo 0x9a033397ffD48BB186C2a7b77aB550B26ee90c35 · network eip155:8453 · facilitator facilitator.payai.network