To use any of the above modules, you need to have a Revolut Business account. If you do not have one yet, you can create one at revolut.com.
To connect your Revolut Business account to Integromat, follow the general instructions for Connecting to services. You will be prompted to enter your Revolut Business API key. To get your API key, log into your Revolut Business account and go to https://business.revolut.com/settings/api. Copy the Production (or Sandbox) API key and insert it into the prompt.