---
title: "Refresh an authentication token"
method: POST
path: "/auth/refresh_token.json"
tags: ["Authentication"]
---

# Refresh an authentication token

`POST /auth/refresh_token.json`

Exchanges a previously issued token for a fresh one without re-sending
credentials. The old token is invalidated. Returns `401 Unauthorized` for a
bad `old_token`.

## Response `200`

New token issued.

- Token
  - `token` string — Authentication token, valid for one day.

## Other responses

- `401` — Authentication failed.

---

[API](https://skmtc.dev/checkvist/apis/checkvist-open-api.md) · [All operations](https://skmtc.dev/checkvist/apis/checkvist-open-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/checkvist/checkvist-open-api/revisions/53311ff6aaab/schema)