Waymark / Routes / developers.google.com Migrate a legacy Google Directions API integration to the Routes API computeRoutes method with an explicit field mask
domain: developers.google.com · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checked community attestations: 0✓ / 0✗
Steps POST to routes.googleapis.com/directions/v2:computeRoutes instead of the legacy GET directions endpoint Set the X-Goog-FieldMask header explicitly (e.g. routes.duration,routes.distanceMeters,routes.polyline) — omitting it returns an error Replace polyline-encoded waypoints with an intermediates array of lat/lng or place IDs Map renamed parameters: mode to travelMode, avoid to routeModifiers, optimize=true to optimizeWaypointOrder Avoid the wildcard "*" field mask so only needed fields are billed/computed Known gotchas Routes API bills a different SKU than legacy Directions/Distance Matrix — switch at the start of a billing month to avoid overlapping-tier costs legs.start_address/end_address are not returned by Routes API; resolve addresses via place IDs or the Geocoding API instead
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