To configure Heroku Connect, you authenticate to a Salesforce instance using OAuth and allow Heroku Connect to make API calls on your behalf. Heroku Connect uses this API connection to synchronize the data between Salesforce and the Heroku Postgres database.
You have to authenticate to a Salesforce instance using OAuth and allow Heroku Connect to make API calls on your behalf. Heroku Connect uses this API connection to synchronize the data between Salesforce and the Heroku Postgres database.