curl --request GET \
  --url https://api.lava.so/v1/spend_keys \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "spend_key_id": "<string>",
      "key_preview": "<string>",
      "name": "<string>",
      "wallet_id": "<string>",
      "current_spend": "<string>",
      "total_spend": "<string>",
      "current_requests": 1,
      "total_requests": 1,
      "created_at": "2023-11-07T05:31:56Z",
      "allowed_models": [
        "<string>"
      ],
      "allowed_providers": [
        "<string>"
      ],
      "spend_limit": {
        "amount": "<string>"
      },
      "request_limit": {
        "count": 5000000
      },
      "rate_limit": {
        "rpm": 2,
        "burst": 2
      },
      "expires_at": "2023-11-07T05:31:56Z",
      "last_used_at": "2023-11-07T05:31:56Z"
    }
  ],
  "has_more": true,
  "next_cursor": "<string>"
}