Implement Tesla Fleet API fleet telemetry streaming to receive real-time vehicle data via server-sent events

Steps

1. Ensure your application has a registered partner account and virtual key paired on target vehicles before attempting to configure telemetry
2. Use the Fleet Telemetry configuration endpoint to specify the fields (such as vehicle speed, state of charge, GPS coordinates) and the delivery destination for each vehicle
3. Set up a server capable of maintaining persistent connections to receive Fleet Telemetry events; Tesla pushes data as it is generated by the vehicle
4. Implement reconnection logic with exponential backoff for dropped connections, and track the last-received sequence number or timestamp to avoid data gaps on reconnect
5. Validate the signature on each telemetry message using the same key infrastructure used for signed commands to confirm authenticity
6. Store and index telemetry by vehicle ID and timestamp, and implement a compaction or downsampling strategy for high-frequency fields before persisting to long-term storage