There are 3 different versions of the SendGrid connector. The SendGrid Campaign Legacy Connector, Transactional connector and Single Sends connector.
To set up any of the Sendgrid connectors, you'll need to be logged into both your Sendgrid and Taxi accounts. You'll also need your Sendgrid API key.
In Taxi, head to Integrations
Select the ESP Connectors tab
Click 'Add New'
3. Select the Sendgrid connector you want to add from the dropdown.
This will need to be enabled by Taxi. You'll need to name your connector
4. Paste your API key
These can be found under the Account Settings menu in your Sendgrid account
5. Select if you want to set some restrictions for this connector
You can control who can use the connector and also what type of exports users can export. When these are selected you will see the options to the right of the screen where you can add users and teams and select the export types.
6. Click 'Add Connector'
You're now ready to export mailings to Sendgrid.