④ Rafraîchir le token (Étape 4)

{
    "status": "error",
    "http_code": 400,
    "message": "The provided authorization grant is invalid, expired, revoked, does not match the redirection URI used in the authorization request, or was issued to another client.",
    "body": {
        "error": "invalid_grant",
        "error_description": "The provided authorization grant is invalid, expired, revoked, does not match the redirection URI used in the authorization request, or was issued to another client."
    }
}