Using Refresh Token
To obtain a new pair of tokens in case the access token expires or becomes lost, a user sends the HTTP POST request to the api/v1/token endpoint. The request body must contain the grant_type parameter with the specified refresh_token value and the refresh token saved locally. A successfully completed operation returns the 200 response code and a new pair of tokens in the response body.
If you lose the refresh token, you can log in again under the same user account and get a new pair of tokens.
To obtain an access token and a refresh token, a user sends the HTTP POST request to the api/v1/token endpoint. In the x-api-version header, the user specifies the current revision of the Veeam Backup for GCP REST API.
In the body of the request, the user specifies the following parameters:
The server sends a response in the following format.