When creating a connection, you need to provide your client ID and Client secret.
Go to this site: https://api-console.zoho.eu/
Add client -> Server-based Applications.
Fill in these details:
- Client name: Anything
- Homepage URL: https://boostspace.integromat.celonis.com/
- Authorized Redirect URIs: https://boostspace.integromat.celonis.com/oauth/cb/zohocrm2
In settings make sure you select the correct server location of your Zoho Account (probably your location)
Go back to the integrator. When creating a connection, select the data center of your Zoho Account and add these scopes:
Then the connection should establish.