Delete channel data

This API enables you to delete existing data for all channels. You can use either of the following approaches:

- Option 1: Use the channel key in the payload to delete all tokens in the specified channel.
- Option 2: Use the push and inapp keys in the payload to delete specific tokens in these channels.

Note: You can use either option 1 or option 2. It is not allowed to use both approaches in one request.