# `TypeSafeSDK.Usage`
[🔗](https://github.com/nshkrdotcom/typesafe_sdk/blob/v0.4.0/lib/typesafe_sdk/usage.ex#L1)

Token counts returned by the API when available.

# `t`

```elixir
@type t() :: %TypeSafeSDK.Usage{
  input_tokens: non_neg_integer() | nil,
  output_tokens: non_neg_integer() | nil
}
```

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*Consult [api-reference.md](api-reference.md) for complete listing*