# GET /v4/developer/keys/usage

_Merkl API_

Get usage summary across all API keys for the authenticated user.

### Query parameters

- `days` (number)

## Responses

- **200** Response for status 200

## Example request

```bash
curl -X GET "https://api.merkl.xyz//v4/developer/keys/usage" \
  -H "x-api-key: YOUR_API_KEY"
```