# Check feature entitlements (https://docs.billwave.example/api-reference/check)

Check whether a customer can use a feature and return the current entitlement state, including the canonical credits balance object for credit-backed features. Optionally track usage atomically if allowed via sendEvent.

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## API operations

- `POST /v1/check`

Full request and response schemas: https://docs.billwave.example/openapi.json