# resolution on /REST/v1/Routes/DistanceMatrix stops working

Calls to /REST/v1/Routes/DistanceMatrix, query parameter resolution on Bing Maps API stopped working on September 30, 2024.

- API: Bing Maps API (dev.virtualearth.net)
- Kind: Endpoint removal
- Announced: September 30, 2023
- Takes effect: September 30, 2024
- Calls after that day: fail
- Calls it hits: `/REST/v1/Routes/DistanceMatrix`, `query parameter resolution`
- Source: [Announcement](https://blogs.bing.com/maps/2023/9/Routing-API-Breaking-Change-and-Retirement-Announcements/)
- Page: https://www.okapi.bot/providers/bing-maps-api/breaking-changes/resolution-on-rest-v1-routes-distancematrix-stops-working/

## What to use instead

Drop endTime and resolution; request one matrix per departure time with startTime.

## Bing Maps API's words

> As part of this deprecation we will also retire the paramaters endTime and resolution.