# The Request v1 API stops working

Calls to /api/travelrequest/v1.0/* on SAP Concur API stopped working on November 3, 2026.

On November 3, 2026, the Request v1 API was retired and is no longer accessible. Requests sent to the /api/travelrequest/v1.0/* endpoints fail since that date.

## What to use instead

Call the Request v4 API (/travelrequest/v4/requests) instead.

- API: SAP Concur API (us.api.concursolutions.com)
- Kind: Version retirement
- Announced: February 4, 2026
- Takes effect: November 3, 2026
- Calls after that day: fail
- Calls it hits: `/api/travelrequest/v1.0/*`
- Source: [Announcement](https://developer.concur.com/tools-support/release-notes/api/2026-10-08.html)
- Verified: November 6, 2026, against SAP Concur API's own pages
- Page: https://www.okapi.bot/providers/sap-concur-api/breaking-changes/the-request-v1-api-stops-working/

## SAP Concur API's words

> As previously announced, the Concur Request APIs v1.0, v3.0, and v3.1 have been decommissioned. These versions will be retired and no longer accessible as of November 3, 2026.

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent