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Tikk builds your available slots from four layers: your weekly schedule, date overrides, buffer times and every connected calendar. A slot only shows up when it clears all four.

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What determines availability

Tikk applies these layers in order:
1

Weekly schedule

Your weekly schedule is the base. Set the hours you’re open for each day of the week (say, Mon-Fri 09:00-17:00). Slots outside those windows never show.
2

Date overrides

Adjust or block availability on specific dates. Use these for holidays, vacation or one-off changes to your hours.
3

Synced calendars

Tikk checks every connected calendar. If any calendar has a busy event overlapping a slot, the slot is hidden. No double bookings.
4

Buffer times

Buffers add a gap before or after each booking. With a 15-minute buffer after, a meeting ending at 10:00 pushes the next slot to 10:15.
5

Service-specific settings

Each service can override the base window and set its own lead time (like “at least 24 hours notice”). These narrow the pool further.

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How slots are generated

Tikk splits your open windows into slots of the service’s duration (default 30 minutes). A slot only makes the response if it passes every layer. One conflict, one drop.
Slots are generated in real time when you hit the availability endpoint. Results always reflect your latest calendar state.

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Slot fields

Each slot returns: start and end are always UTC so you can do reliable time math. Use label when you want a ready-to-show string in the host’s local time.

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Timezone handling

Your weekly schedule and date overrides live in your timezone, set in account settings. Each returned slot includes a label in your timezone. Bookers see times auto-converted to their local timezone.
If you change your account timezone, review your schedule and any active overrides. Stored hours don’t shift with the timezone change.

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General vs service-scoped availability

You can query in two modes:
Without a service parameter you get your overall open windows from the base schedule. Useful for a broad calendar view or checking whether you’re free on a given day.
Use service-scoped availability for booking flows so the slots you show match what someone can actually reserve.
Full request and response shape lives in the List Availability reference.