There is no form field for an access token at:

• https://api.stackexchange.com/docs/me-reputation-history
• https://api.stackexchange.com/docs/me-reputation-history/all

After attempting to Run the API method from either page:

{
    "error_id": 401,
    "error_name": "access_token_required",
    "error_message": "This method requires an access_token"
}