NIGHTSHIFT Hook Inspector is a paid API for AI agents from getnightshift.tech, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-26).
Inspects a Uniswap v4 hook contract address and returns its fee structure, callback flags, risk profile, and ownership details
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Returns a JSON object with: fee details (hookFee description, static swapFee in bps), risk rating, hex flags with validity, owner powers list, contract address, service name, a plain-English summary, source evidence URLs, template match info, and a list of implemented callbacks with their status.
GEThttps://getnightshift.tech/api/v1/hook/%7Baddress%7D?utm_source=zero.xyzUse this endpoint when you need to programmatically inspect a specific Uniswap v4 hook contract — especially to assess its fee structure, risk level, ownership model, and implemented callbacks before interacting with a pool that uses it. It is purpose-built for hook auditing on Ethereum mainnet and returns structured, machine-readable results ideal for agent workflows.
| Field | Type | Description |
|---|---|---|
| properties | string |
{
"type": "json",
"example": {
"fees": {
"hookFee": "takes its own fee: beforeSwapReturnsDelta and afterSwapReturnsDelta set and it moves pool currency out with PoolManager.take/mint (settings: MAX_FEE_BPS = 250, ethFeeBps = 250, shiftFeeBps = 250), to feeSplitter 0x1119…2d44",
"swapFee": "125 bps static"
},
"risk": "low",
"flags": {
"hex": "0x20cc",
"valid": true
},
"powers": [
{
"text": "the owner can change fees (setFees), capped by MAX_FEE_BPS = 250",
"level": "low"
}
],
"address": "0x42ebcf86e3ab0445ba0362f911a7e8fad6ace0cc",
"service": "hook-inspector",
"summary": "NightshiftHook. The PoolManager calls beforeInitialize, beforeSwap, afterSwap (with beforeSwapReturnsDelta, afterSwapReturnsDelta). Takes its own fee … to feeSplitter 0x1119…2d44. Owner: wallet 0x6c4c…19b5. Not a proxy and no DELEGATECALL: the code cannot change.",
"evidence": [
{
"url": "https://sourcify.dev/server/repo-ui/1/0x42ebcf86e3ab0445ba0362f911a7e8fad6ace0cc",
"kind": "source"
}
],
"template": {
"name": "NightshiftHook",
"match": "exact address"
},
"callbacks": [
{
"name": "beforeSwap",
"implemented": true
},
{
"name": "afterSwap",
"implemented": true
},
{
"name": "beforeInitialize",
"implemented": true
}
]
}
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