Set the Octopus API key to use. This will be stored as an
environment variable. You should add `OCTOPUSR_API_KEY = <api_key>` to your
`.Renviron` otherwise you will have to call this function every session.
Usage
set_api_key(api_key = NULL)
Arguments
- api_key
Your API key. If you are an Octopus Energy customer,
you can generate an API key on the
[developer dashboard](https://octopus.energy/dashboard/developer/).
Value
No return value, called for side effects.