# POST /v4/config/extend

_Merkl API_

Beta feature (not production ready yet) - Extends a campaign configuration with the values resolved by the engine.

## Request body

**`application/json`**
```json
{}
```
**`application/x-www-form-urlencoded`**
```json
{}
```
**`multipart/form-data`**
```json
{}
```

## Responses

- **200** Response for status 200

## Example request

```bash
curl -X POST "https://api.merkl.xyz//v4/config/extend" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ ... }'
```