> ## Documentation Index
> Fetch the complete documentation index at: https://docs.codex.io/llms.txt
> Use this file to discover all available pages before exploring further.

# ApiUsageBreakdown

> Usage split by operation type. Values are base-10 integer strings. ApiUsageBreakdown type reference: every field and its type.

## GraphQL

```
type ApiUsageBreakdown {
  query: String!
  mutation: String!
  subscription: String!
  webhook: String!
}
```

### Used By

**Returned by**

* [apiUsage](https://docs.codex.io/api-reference/queries/apiusage.md): Usage for the caller's account in the current billing period, compared with the plan quota. Free to call, and callable when the account is over its limit. Numbers are aggregated by the usage pipeline, not updated per request; see `updatedAt`.


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