approveBuilderFee

post

https://api.hyperliquid.xyzhttps://api.hyperliquid-testnet.xyz

/exchange

Approve a maximum fee rate for a builder.

Body

application/json

Approve a maximum fee rate for a builder.

noncenumberRequired

Nonce (timestamp in ms) used to prevent replay attacks.

Responses

200

Successful response without specific data or error response.

application/json

anyOptional

Successful response without specific data or error response.

422

Failed to deserialize the JSON body into the target type

text/plain

post

/exchange

TypeScript

import * as hl from "@nktkas/hyperliquid";
import { privateKeyToAccount } from "npm:viem/accounts";

const wallet = privateKeyToAccount("0x..."); // viem or ethers
const transport = new hl.HttpTransport(); // or `WebSocketTransport`
const client = new hl.ExchangeClient({ transport, wallet });

await client.approveBuilderFee({ maxFeeRate: "0.01%", builder: "0x..." });

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