In the context should I put all my dependencies for my endpoint handlers?

Question

For example I have the end point 'getStuff`

In this endpoint the handler call 3 party apis and map the data to the tRPC output.

But I have an API key rotator class, to do each request to a 3 party API with the different API key in each request.

So should I put in the context the API key rotator class?

And this should be a singleton like the db instance?

Also the API key rotator has dependency on the db, to store the last used API key, and consult all API keys.

Thanks

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