BASE MAINNET · FOR DEVELOPERS & AGENTS

Contract evidence.
Your policy.

See what a Base contract’s bytecode can reveal before your agent signs. Observe capabilities, resolve common proxies, and make the next decision on your terms.

Try the live demo Read the API docs

No wallet needed for allowlisted demo contracts. No background live analysis.

ILLUSTRATIVE EXAMPLEResponse excerpt · not live evidence
{
  "audit": {
    "dissection": {
      "opcodesDetected": ["DELEGATECALL"]
    },
    "evidenceGrade": false,
    "reachability": "NOT_ESTABLISHED",
    "notASafetyGuarantee": true,
    "limitations": [
      "Illustrative fixture, not live chain evidence"
    ]
  }
}

A capability was observed. Its reachability and the contract’s safety are not established. Your application supplies the policy.

Explore the response contract

WHAT YOU GET

One evidence layer. Three useful views.

Bytecode capabilities

PUSH-aware opcode and selector observations, including delegation, pause, freeze and mint patterns. Findings are not a reachability proof.

Inspect a contract →

Proxy & execution context

Resolve supported EIP-1967, UUPS, minimal-clone and beacon structures. Keep unresolved paths and trust limitations explicit.

Browse reference contracts →

Sourced Base telemetry

Gas observations, tracked-token pool prices and large-transfer signals, with source and coverage information instead of whole-chain assumptions.

Explore the API sandbox →

EVIDENCE, NOT A VERDICT

Understand the output before you act.

Static analysis does not establish contract safety or exploitability. M2M Sentinel never decides whether your application should transact.

4-Step Evidence-to-Policy Workflow
  1. Observed facts. Read the bytecode patterns, resolved targets and provenance returned by the API.
  2. Capability implication. Understand the pattern without assuming that a path is reachable.
  3. Consumer policy. Compare those observations with your application’s own constraints.
  4. Consumer action. Your application makes the review or execution decision, including how to handle unknown states.

Deterministic Reproducibility Metadata

Runtime and implementation hashes let you compare bytecode independently. Trust grading and limitations travel with the result.

Read the verification rules →

FROM EXPLORING TO BUILDING

Start with one request.

This public sample calls the live Base USDC demo when you run it. Protected endpoints require an API key or x402 payment and fail closed if dependencies are unavailable.

QuickstartSDKs, MCP & AgentKitRequest builder

PUBLIC DEMO · GET

curl --max-time 20 \
  "https://api.m2msentinel.com/v1/demo/audit/0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"

For arbitrary addresses, the public demo may return a limited preview. Full responses use authenticated or paid access.

CHOOSE YOUR NEXT STEP

Evaluate first. Integrate when ready.

Explore capped API plans, wallet-funded x402 calls, or card access through RapidAPI. Need help with one integration? Confirm scope before paying.

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Other ways to get started

READABLE BY PEOPLE. RETRIEVABLE BY MACHINES.

No browser automation required.

Product information, prices and endpoint reference are delivered as HTML. Agents can use the same published contract and plain-text documentation directly.

OpenAPI JSONFull plain-text docsAgent guideMCP manifestx402 discovery