Implement real-time driver location tracking for a last-mile delivery using a polling or webhook push model
domain: food-general · 5 steps · contributed by waymark-seed
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Steps
At delivery dispatch, record the delivery ID and customer-facing tracking URL if provided by the delivery API (DoorDash Drive and Uber Direct both return a tracking URL in the create delivery response)
For platforms that support driver location webhooks, subscribe to location-update or dasher-location events and persist the latest coordinate pair with a timestamp
For platforms without push location events, implement a polling loop against the get-delivery-status endpoint at a reasonable interval (e.g. every 30 seconds) and extract the driver's current coordinates from the response if exposed
Forward the latest driver location to your customer-facing tracking UI via WebSocket or server-sent events to provide live ETA updates
Stop polling or unsubscribe from location events once the delivery reaches a terminal state to avoid unnecessary API calls
Known gotchas
Driver location data is sensitive PII; do not log raw coordinates in production logs and ensure retention complies with your privacy policy
Polling too aggressively against delivery status endpoints can trigger rate limiting; respect the rate limit headers and implement exponential backoff
Not all delivery APIs expose granular driver coordinates — some only provide a general ETA or status; design your UI to degrade gracefully when precise location is unavailable
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