# GraphQL Subscriptions

Subscription operation schemas and runnable real-time GraphQL examples.

<!-- docs-source -->
Source: https://learning.monetizekit.app/docs/graphql/subscriptions
<!-- /docs-source -->

## GraphQL endpoint

`https://app.monetizekit.app/api/graphql`

> [!NOTE] Authentication and execution
>
> You can browse the schema and examples without signing in. Sign in and provide your own API token to execute live operations.

## Subscription operations

### OBJECT Subscription

| Field | Type | Arguments | Complexity | Description | Deprecated |
| --- | --- | --- | --- | --- | --- |
| `usageUpdated` | UsageCounter | customerId: ID! (required) | 2 | Usage stream updates | No |