Cal.com API Returning 500 Internal Server Error and Empty Slots Data

[advhha]

Path: /api-reference/v1/errors

Hello,

I am experiencing an issue with the Cal.com API where I consistently receive a 500 Internal Server Error when attempting to retrieve available time slots for a specific eventTypeId. Below is an example of the request I am sending:

API Endpoint: https://api.cal.com/v1/slots?eventTypeId=1472665&startTime=2024-10-10&endTime=2024-10-10&timeZone=europe%2Flondon&apiKey=<my_api_key>

Expected Behavior: The API should return available slots for the given date, event type, and time zone.

Observed Behavior: The response returns an empty "slots": {} object, or occasionally, the API responds with a 500 Internal Server Error. This error persists even though the eventTypeId is valid, and the provided API key has the necessary permissions. Additionally, I have verified that time slots are configured for the specified event type and date within the Cal.com dashboard.

Details:

When testing without any startTime or endTime parameters, the API sometimes responds correctly, which indicates the time range filtering may be contributing to the issue.
I have ensured the timeZone parameter is encoded correctly as europe%2Flondon, and the date format aligns with ISO 8601 (YYYY-MM-DD).
Despite providing valid input, the API intermittently fails, with the status code 500, suggesting a potential issue on the server side.
Could you please investigate why the API is returning an empty slots object and occasionally a 500 Internal Server Error? Any guidance or fixes would be greatly appreciated. Let me know if additional details or logs are required.

Thank you for your assistance.