### Network

- **Allowed Values:**  
  - `mainnet`  
  - `testnet`

### Wallets

- **Array of Cosmos wallets**

### API Responses  
- `200` — Ok  
- `400` — Invalid request.  
- `401` — Header 'X-API-Key' missing.  
- `500` — Internal server error.

### Example Request

```bash
curl --request GET \
     --url https://svc.blockdaemon.com/boss/v1/cosmos/mainnet/rewards/withdrawable-amount \
     --header 'accept: application/json'
```

### Example Responses

- **Response Codes:**  
  - `200`  
  - `400`  
  - `401`  
  - `500`