If you forgot your password you can easily reset it to gain access back if go to this link: https://app.jumpsend.com/reset_password. The page should look like this:
It will ask you to confirm the email address you have on file in Jump Send where you'll receive the activation link redirecting you to the reset page where you'll be able to update your password:
If you get redirected to your account page, there is a chance that your current browser is loading stored information or remembering your old password. To avoid this, you may need to use another browser or open that reset link using an Incognito window in Chrome.