# The OS Match & Cleanse API stops working

Calls to /search/match/v1/* on OS Data Hub APIs stopped working on March 31, 2026.

- API: OS Data Hub APIs (api.os.uk)
- Kind: Endpoint removal
- Takes effect: March 31, 2026
- Calls after that day: fail
- Calls it hits: `/search/match/v1/*`
- Source: [Announcement](https://docs.os.uk/os-apis/accessing-os-apis/os-match-and-cleanse-api/end-of-life-information)
- Page: https://www.okapi.bot/providers/os-data-hub-apis/breaking-changes/the-os-match-cleanse-api-stops-working/

## What to use instead

Use the OS Places API find endpoint (GET https://api.os.uk/search/places/v1/find).

OS Places API matches single addresses only; bulk matching means an OS Partner solution.

## OS Data Hub APIs's words

> The OS Match & Cleanse API was officially withdrawn on 31 March 2026.