# Get authorization token

Get client authorization token for access to backend APIs.

Endpoint: POST /oauth2/token
Version: 0.0.1
Security: 

## Query parameters:

  - `grant_type` (string)
    Method of authorization. Defaults to client_credentials.
    Example: "client_credentials"

## Response 200 fields (application/json):

  - `access_token` (string, required)
    Authorization token used to access backend APIs.

  - `scope` (string, required)
    Roles that the client has access to.

  - `token_type` (string, required)
    Type of token administered.

  - `expires_in` (integer, required)
    Token time to live (ttl) in seconds.

## Response 400 fields (application/problem+json):

  - `error_description` (string)
    Example: "OAuth 2.0 Parameter: grant_type"

  - `error` (string)
    Example: "unsupported_grant_type"

  - `error_uri` (string)
    Example: "https://datatracker.ietf.org/doc/html/rfc6749#section-5.2"

## Response 401 fields (application/problem+json):

  - `errors` (array)
    Example: ["An error occured"]