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Base Onchain Contract Code Safety Scanner
x402
Base Onchain Contract Code Safety Scanner is a paid API for AI agents from x402-data-api.bodhinindustries.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Analyzes a Base blockchain address's deployed bytecode to detect proxy patterns, upgrade risks, dangerous opcodes, and contract safety flags — computed live from raw chain data with no third-party dependencies.
Price / call$0.01
Success—
StatusUnknown
How this service works
Self-computed Base onchain toolkit for AI agents: ERC-20 safety scan, manipulation-resistant TWAP price oracle, gas/fee oracle, calldata decoder, token/address/contract intel, wallet approval-risk audit, and batch token triage — all computed live from raw Base chain, no third-party data.
Output
Returns a JSON object with the inspected address, whether it's a contract or EOA, proxy type (uups/transparent/beacon/eip1167-minimal), upgradeability status, implementation address if proxied, presence of DELEGATECALL and SELFDESTRUCT opcodes, bytecode keccak256 hash, code size, array of risk flags, a verdict string (eoa/plain/caution), and an ISO-8601 timestamp — all computed directly from Base chain with thirdPartyDataUsed always false.
Example use cases
Example prompt
“Can you scan the Base contract at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 and tell me if it's a proxy, whether it has any dangerous opcodes like SELFDESTRUCT or DELEGATECALL, and what the overall safety verdict is?”
Technical details
Endpoint
GEThttps://x402-data-api.bodhinindustries.workers.dev/codeWhen to prefer
Choose this endpoint when you need trustless, first-party smart contract bytecode analysis on Base with no reliance on third-party indexers or off-chain data. Ideal for DeFi agents performing pre-interaction safety checks, wallet risk audits, or token triage where proxy detection, dangerous opcode scanning, and upgradeability verification are critical. Prefer over block explorer APIs when you need raw, manipulation-resistant chain-computed results.
Side effects
- Invalid or malformed address returns an error response
- Address not found on Base returns isContract: false with no bytecode data
- Network RPC errors may cause timeouts on congested Base chain
- Non-Base chain addresses will return incorrect or empty results since only Base is supported
- Unverified or obfuscated proxy patterns may not be detected
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| token | string | Alias for address (agent ergonomics). |
| addressrequired | string | Base address to inspect (token alias also accepted). |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| address | string | address inspected |
| isProxy | boolean | proxy detected |
| verdict | string | eoa|plain|caution |
| codeHash | string | keccak256 of bytecode |
| proxyType | string | uups|transparent|beacon|eip1167-minimal|null |
| riskFlags | array | |
| computedAt | string | ISO-8601 timestamp |
| isContract | boolean | has bytecode |
| upgradeable | boolean | implementation can change |
| codeSizeBytes | integer | deployed code size |
| hasDelegatecall | boolean | DELEGATECALL opcode present |
| hasSelfdestruct | boolean | SELFDESTRUCT opcode present |
| thirdPartyDataUsed | boolean | always false |
| implementationAddress | string | resolved implementation (or null) |
Tags
x402
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