# Fetch Token

Returns an OAuth 2.0 access token and related metadata. Tokens should be used in subsequent requests to Optoro APIs.

Endpoint: POST /oauth/token
Version: 1.0.0

## Request fields (application/json):

  - `grant_type` (string, required)
    The name of the OAuth flow used to create a token. Use 'client_credentials'.

  - `client_id` (string, required)
    Identifier used to authenticate. Obtained from Optoro's Client Success team.

  - `client_secret` (string, required)
    Secret used to authenticate. Obtained from Optoro's Client Success team.

## Response 200 fields (application/json):

  - `access_token` (string)
    A token that can be used to authenticate with other Optoro APIs.

  - `token_type` (string)
    The access token type, always "Bearer".
    Enum: "Bearer"

  - `expires_in` (integer)
    Time in seconds after which the token will expire.

  - `scope` (string)
    Space-delimited set of scopes for which the token is valid.

  - `created_at` (integer)
    The creation time of the token in seconds since epoch.

## Response 401 fields (application/json):

  - `error` (string)
    Summary of the error that occurred while creating a token.

  - `error_description` (string)
    Details of the error that occurred while create a token.


## Response 400 fields

## Response 404 fields

## Response 422 fields

## Response 5XX fields