# maxBuilderFee

## POST /info

> Request builder fee approval.

```json
{"openapi":"3.1.1","info":{"title":"Hyperliquid API - info/maxBuilderFee","version":"1.0.0"},"tags":[{"name":"maxBuilderFee"}],"servers":[{"url":"https://api.hyperliquid.xyz","description":"Mainnet"},{"url":"https://api.hyperliquid-testnet.xyz","description":"Testnet"}],"paths":{"/info":{"post":{"tags":["maxBuilderFee"],"description":"Request builder fee approval.","requestBody":{"content":{"application/json":{"schema":{"type":"object","properties":{"type":{"description":"Type of request.","enum":["maxBuilderFee"]},"user":{"type":"string","pattern":"^0[xX][0-9a-fA-F]+$","minLength":42,"maxLength":42,"description":"User address."},"builder":{"type":"string","pattern":"^0[xX][0-9a-fA-F]+$","minLength":42,"maxLength":42,"description":"Builder address."}},"required":["type","user","builder"],"description":"Request builder fee approval."}}},"required":true},"responses":{"200":{"description":"Maximum builder fee approval.","content":{"application/json":{"schema":{"type":"number","description":"Maximum builder fee approval."}}}},"422":{"description":"Failed to deserialize the JSON body into the target type","content":{"text/plain":{"schema":{"type":"string"}}}},"500":{"description":"Internal Server Error","content":{"application/json":{"schema":{"type":"null"}}}}}}}}}
```
