Connecting Cal.com to Callers
- Navigate to the App Center and find
cal.comintegration:. - Connect Cal.com: Click on
+button in the Cal.com integration block. A new window will open prompting you to enter your API Key from Cal.com to authorize Callers.

Paste your Cal.com API key
- Log in to Cal.com and navigate to Settings (located at the bottom left of the dashboard).
- In the side menu, find and click on “API keys” under the Developer section.
- Click
Addto create a new API key. - Name your API key, And enable the “Never expires” toggle to prevent expiration.
- Click
Saveto generate the API key. - Copy the API key, as it will not be retrievable once you click Done.
- Paste the copied API key into Callers to complete the connection.
Adding a Cal.com Step in a Callers Campaign
Note that to add this step, each contact must have anEmail.
Email Handling for Cal.com Integration:Callers will attempt to obtain the contact’s email in the following order:
- From the contact field (if available)
- From the SIP headers (if provided by your telephony provider)
- By extracting it from the conversation transcript
- Press the
Schedule a Meetingbutton. - Determine the assistant’s spoken content before offering time slots
- Choose the relevant event from the dropdown.
- Set how many days in advance clients can schedule meetings by setting the ‘Schedule days ahead’ field.
Handling No Available Time Slots
- Avoid Calling: Prevents the assistant from making calls when no slots are available.
- Use Fallback Phrase: Allows the assistant to use a custom fallback phrase.
- Enter the phrase in the provided text field.
Handling No Available Time Slots

Example on how to handle no available timeslots
Verifying Cal.com Settings
To ensure seamless integration with Callers, verify the event settings within Cal.com:- Log in to your Cal.com
- Navigate to the event you want to integrate with Callers.
- Go to the Advanced tab within the event settings.
- Ensure additional questions are optional (events with required questions cannot be used in Callers).

Adding Contact’s Phone Number to the Invite
- Access Event Settings: Navigate to your Cal.com account and select the event integrated with Callers and go to the Advanced tab within the event settings.
- Add a New Question: Scroll to the Booking questions and click
Add a question. - Configure the Question Settings:
- Input type: Short Text
- Identifier: phone
- Disable input if the URL identifier is prefilled: unchecked
- Required: No
- Customization Options: Only Label and Placeholder fields are customizable. Adjust these as necessary to fit the context of your event.
- Save the Configuration:
- Click
Addto include the field in your invite. - Click
Saveat the top right of the event settings to apply changes.
- Click
