What's the recommended delivery method?

Delivery instability is generally not specific to a destination like Firebase.

Delivery instability is generally not specific to a destination like Firebase.

• If you're on an older API version, upgrading to the latest improves event delivery speed, error handling, retries and consistency. The upgrade is handled Terra-side with no code changes and is backwards compatible.

• After a successful connection, you may also need a historical data request to retrieve existing historical data.