The Dialogflow CX REST API is available in the following versions:

- [V3](https://docs.cloud.google.com/dialogflow/cx/docs/reference/rest/v3-overview)
- [V3Beta1](https://docs.cloud.google.com/dialogflow/cx/docs/reference/rest/v3beta1-overview)

## Endpoints

> [!NOTE]
> **Note:** The [APIs Explorer](https://developers.google.com/explorer-help/), found on many REST reference documents, only supports the `global` region for API calls.

To see the region-specific endpoints supported by this API, see:

- [V3 endpoints](https://docs.cloud.google.com/dialogflow/cx/docs/reference/rest/v3-overview#rest_endpoints)
- [V3Beta1 endpoints](https://docs.cloud.google.com/dialogflow/cx/docs/reference/rest/v3beta1-overview#rest_endpoints)