# Refresh access token

Exchange a valid refresh token for a new access/refresh token pair

Endpoint: POST /token/refresh
Version: 1.0.0

## Request fields (application/json):

  - `refresh_token` (string, required)
    The refresh token to exchange

## Response 200 fields (application/json):

  - `access_token` (string, required)
    JWT access token

  - `refresh_token` (string, required)
    JWT refresh token

  - `expires_in` (string, required)
    Access token expiration timestamp

  - `token_type` (string, required)
    Token type (always "Bearer")
    Example: "Bearer"

## Response 400 fields (application/json):

  - `message` (string, required)
    Error message

## Response 401 fields (application/json):

  - `message` (string, required)
    Error message

## Response 500 fields (application/json):

  - `message` (string, required)
    Error message