# Register as an API User
- Go to a FabriXAPI powered API Portal or Demo API Poral (opens new window) and click Log in / Register.
- Click Register Now.
- Fill in the form on this page and click Sign Up.
Username and Email Address will be used for login and cannot be updated afterwards.
- Check your mailbox for email “Confirm your email address on OpenAPIHub”. Then, click on the link to verify your email.
The link to verify email will be expired in 5 minutes. For guideline of how to generate another verification link, please refer How to generate another verification link? What should I do if the verification link is expired?.
- Click OK to give consent for Provider to access your login information
- You have become an API User. Feel free to explore APIs on the API Portal.