The best advice before creating a Webex developer account is to make a Webex account first. Please follow the steps below to create your Webex account.
First, go to https://web.webex.com/sign-in. Then, click 'Create a New Account' at the bottom of the page. Enter your email address and click 'Next'.
Add Email Address
Click the 'Sign Up' button to proceed with account registration.
Sign Up Account
Your registered email address will receive a verification email. Then, enter the code you received in this step.
Enter Verification Code
Then, you will be asked to set your account password. Click the 'Create' button when you're done.
Enter Password
Next, name your Webex account and click 'Enter'.
Enter Account Name
Congratulations, your Webex account is now ready to use.