HALOWERK kettenwerk Token Authority Scanner is a paid API for AI agents from kette.halowerk.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-13).
Scans a token contract's runtime bytecode for dangerous privileged functions and tests whether they are actually restricted, reporting each finding with its four-byte selector
Reads the contract itself rather than a project's claims. Ownership renouncement is checked, not believed: the zero address in owner() is evidence, a sentence in a whitepaper is not. Dangerous functions are found by their four-byte selectors in the runtime bytecode, and every finding names the function and the selector — a selector that is merely absent from the dispatch table is not reported. Whether a function is actually restricted is then tested by simulating the call from a neutral address
A list of detected dangerous or privileged functions found in the contract's runtime bytecode, each identified by its human-readable function name and its four-byte selector. For each finding, the result indicates whether the function is actually access-restricted when called from a neutral address (simulated, read-only). Ownership renouncement is confirmed by inspecting the owner() return value for the zero address, not by any off-chain claim.
POSThttps://kette.halowerk.com/token/authorities?utm_source=zero.xyzUse this endpoint when you need cryptographic, bytecode-level evidence of dangerous functions rather than relying on project documentation or whitepapers. It is preferred over generic contract explorers when you need the four-byte selector as proof, when you want to confirm ownership renouncement by the zero address rather than trust a claim, and when you need to know whether a dangerous function is actually callable from a neutral address via simulation. Ideal for pre-investment due diligence, token listing review, or DeFi security monitoring pipelines.
| Field | Type | Description |
|---|---|---|
| chain | string | Chain the token lives on. |
| token | string | Token contract address. |
| probe_calls | boolean | Simulate each dangerous function from a neutral address to test whether access is restricted. Read-only, nothing is sent. |
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