Create a database.
Find the REST API and copy UPSTASH_REDIS_REST_URL and UPSTASH_REDIS_REST_TOKEN (⚠Important⚠: Do not share your token!)
Copy UPSTASH_REDIS_REST_URL and UPSTASH_REDIS_REST_TOKEN into your synchronization configuration, then click Check Availability.
If everything is in order, you've successfully completed this step.
Success!