Using URL parameters with Zoom Scheduler booking links

Zoom Scheduler supports URL parameters that allow you to track campaigns, prefill booking form fields, and customize how booking pages load.

Requirements for using URL parameters with Zoom Scheduler booking links

• Users must have a Scheduler license

How URL parameters work

URL parameters are appended to the end of your Zoom Scheduler booking link using a question mark (?). Multiple parameters are separated using ampersands (&).

Basic format:

https://scheduler.zoom.us/your-handle/your-page?parameter1=value1&parameter2=value2

Supported parameter types

1. Calendar view parameter

Control which month appears when the booking page loads. This is helpful when you want to share a booking link for a specific month with your attendee.

Example: 

https://scheduler.zoom.us/alex-lee/consultation?month=2025-10

2. UTM tracking parameters

UTM parameters allow you to track traffic sources and campaign performance across marketing channels.

Example: 

https://scheduler.zoom.us/alex-lee/consultation?utm_source=email&utm_medium=newsletter&utm_campaign=q4_promo&utm_content=hero_button&utm_term=free_consultation

3. Form field prefill parameters

You can prefill booking page form fields by passing field names as URL parameters. This reduces the amount of information users need to enter manually.

Booking form standard prefill parameters:

• firstname: Prefills the first name field
• lastname : Prefills the last name field
• email : Prefills the email address field
• phone: Prefills the phone number field (only available if SMS notifications are active for the booking page)

You may also prefill any custom questions you have added to your booking page. These questions must not be hidden.

Notes:

• Parameter names must exactly match the booking form field names.
• Field names are lowercase with spaces removed.
  • Example: Company Name → companyname
• Parameters that do not match an existing field will be ignored.

Example: 

https://scheduler.zoom.us/alex-lee/consultation?firstname=Sarah&lastname=Johnson&email=sarah.j%40example.com

4. Embed parameter

Optimize the booking page display when embedding it in an iframe. Learn more about Embedding Zoom Scheduler on your website.

Example: 

https://scheduler.zoom.us/alex-lee/consultation?embed=true

How to combine multiple parameters

You can combine multiple parameter types in a single booking link.

Example: 

https://scheduler.zoom.us/alex-lee/consultation?utm_source=linkedin&utm_medium=social&utm_campaign=webinar_followup&utm_content=post_link&firstname=Michael&lastname=Chen&email=m.chen%40company.com&month=2025-11

This link will:

• Track traffic from LinkedIn
• Associate the booking with the webinar_followup campaign
• Prefill the booking form with the user’s information
• Display November 2025 on the calendar

How to format URL-encoded parameters

Special characters must be URL encoded to function correctly.

Notes:

• Separate parameters using &.
• Keep parameter values concise.
• Avoid including sensitive or personal data.
• Test links before distributing them.
• Ensure form field names match exactly.
• Use URL encoding for special characters.

Troubleshooting

If URL parameters are not working as expected:

• Verify parameter spelling and formatting
• Confirm form field names match exactly
• Ensure special characters are URL encoded
• Use & to separate parameters
• Test the link in an incognito or private browser window

Tracking UTM data:

UTM parameters are captured with each booking and can be viewed in Zoom Scheduler analytics and reporting. Use consistent naming conventions to ensure accurate campaign tracking.