Get billing usage summary

curl --request GET \
--url https://api.baseten.co/v1/billing/usage_summary \
--header "Authorization: Api-Key $BASETEN_API_KEY"

{
  "dedicated_usage": {
    "subtotal": 123,
    "credits_used": 123,
    "total": 123,
    "minutes": 123,
    "breakdown": [
      {
        "billable_resource": {
          "id": "<string>",
          "kind": "MODEL_DEPLOYMENT",
          "is_deleted": true,
          "name": "<string>",
          "instance_type": "<string>",
          "chain_metadata": {
            "chain_id": "<string>",
            "chain_deployment_id": "<string>",
            "chainlet_id": "<string>",
            "chainlet_name": "<string>",
            "chain_name": "<string>"
          }
        },
        "subtotal": 123,
        "minutes": 123,
        "inference_requests": 123,
        "daily": [
          {
            "date": "2023-12-25",
            "subtotal": 123,
            "minutes": 123,
            "inference_requests": 123
          }
        ]
      }
    ]
  },
  "training_usage": {
    "subtotal": 123,
    "credits_used": 123,
    "total": 123,
    "minutes": 123,
    "breakdown": [
      {
        "billable_resource": {
          "id": "<string>",
          "kind": "MODEL_DEPLOYMENT",
          "is_deleted": true,
          "name": "<string>",
          "instance_type": "<string>",
          "chain_metadata": {
            "chain_id": "<string>",
            "chain_deployment_id": "<string>",
            "chainlet_id": "<string>",
            "chainlet_name": "<string>",
            "chain_name": "<string>"
          }
        },
        "subtotal": 123,
        "minutes": 123,
        "daily": [
          {
            "date": "2023-12-25",
            "subtotal": 123,
            "minutes": 123
          }
        ]
      }
    ]
  },
  "model_apis_usage": {
    "subtotal": 123,
    "credits_used": 123,
    "total": 123,
    "breakdown": [
      {
        "model_name": "<string>",
        "subtotal": 123,
        "input_tokens": 123,
        "output_tokens": 123,
        "cached_input_tokens": 123,
        "model_family": "<string>",
        "daily": [
          {
            "date": "2023-12-25",
            "subtotal": 123,
            "input_tokens": 123,
            "output_tokens": 123,
            "cached_input_tokens": 123
          }
        ]
      }
    ]
  }
}