> For the complete documentation index, see [llms.txt](https://docs.tnid.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tnid.com/api-reference/002_company/002__refresh_authentication_as_company.md).

# Refresh Authentication (Company)

HTTP API `POST` `/auth/refresh-token`

Access tokens have a limited lifetime, after which they expire and can no longer be used to access protected resources. To continue accessing these resources without requiring re-authentication, refresh tokens are used. A refresh token is a long-lived token that can be exchanged for a new access token.

## Request

```json
{
  "refresh_token": "eyJERAMPLE.PAYLOAD3.SIGNATURE"
}
```

## Response

**HTTP Response Code:** 200

```json
{
  "access_token": "eyJERAMPLE.PAYLOAD1.SIGNATURE",
  "refresh_token": "eyJERAMPLE.PAYLOAD2.SIGNATURE"
}
```