put https://api.getblueshift.com/api/v1/custom_user_lists/bulk_add_users_to_list/
Use this endpoint to bulk add users to a custom list.
Try it out
- Add the User API key as the Username and leave the Password field blank.
- Click the Base URL dropdown and select the API endpoint URL for your Blueshift region.
- Define the parameters as necessary, and click Try It.
You can also try the API using Blueshift's API collection in Postman.