Defender API IP address whitelist

Relayer API IP address whitelist

:computer: Environment

OZ relayers for sending transactions to my contracts
:memo:Details

Hi,

I am exploring the use of OpenZeppelin relayers for interacting with my smart contracts. I am concerned about the security of my API keys and would like to know if it's possible to whitelist specific IP addresses for calling the APIs and ban all requests coming from other sources. This additional layer of defense would ensure that only requests from my servers are permitted, even if the API keys are exposed.

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