Rate limit headers not found in freshcaller response

Product
1

Hi team,

The rate limit headers mentioned in documentation here (X-RateLimit-Total, X-RateLimit-Remaining and X-RateLimit-Used-CurrentRequest) are not present in the response when I triy via curl or postman.

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This is a curl sample request:

curl --location -g --request GET 'https://mydomain-masked.freshcaller.com/api/v1/call_metrics?by_time[from]=2023-01-19T02:00:00Z&by_time[to]=2023-03-19T02:00:00Z&per_page=1000&page=2' \
--header 'Content-Type: application/json' \
--header 'Accept: application/json' \
--header 'X-Api-Auth: <masked>' \
--header 'page: 5' \
--header 'per_page: 1000'

What could I be missing?

Thanks,