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Lambus

Travelby Lambus GmbH
Launched Apr 10, 2026 on ChatGPT

Lambus is your new all-in-one travel planner, allowing you to manage every aspect of your trip: Itineraries, expenses, points of interest, daily plans and much more. Plan with ease inside ChatGPT and then hand over to the Lambus app during your trip to collaborate with your fellow travellers, access your trip offline and receive live alerts if your flight is delayed.

45ChatGPT Tools
Lambus GmbHDeveloper
TravelCategory

Available Tools

Add Item to Day

add_to_day
Full Description

Add a note, activity, or point of interest to a specific day in a waypoint. Use list_days to get day IDs.

Parameters (4 required, 6 optional)
Required
tripIdstring

The trip ID

typestring

Item type: NOTE for a text note, ACTIVITY for a custom activity, NEARBY_PLACE to link an existing POI

Options:NOTEACTIVITYNEARBY_PLACE
waypointDayIdstring

The day ID (from list_days)

waypointIdstring

The waypoint ID

Optional
activityEmojistring

Emoji for the activity

activityNamestring

Activity name (required for ACTIVITY type)

endTimestring

End time (HH:mm format, e.g. "10:30")

notestring

Text content (for NOTE type, or additional note for other types)

poiIdstring

Point of interest ID (required for NEARBY_PLACE type)

startTimestring

Start time (HH:mm format, e.g. "09:00")

Add Accommodation

create_accommodation
Full Description

Add an accommodation to a trip. Link it to a waypoint with waypointId.

Parameters (2 required, 4 optional)
Required
namestring

Accommodation name

tripIdstring

The trip ID

Optional
checkInDatestring

Check-in date (ISO 8601)

checkOutDatestring

Check-out date (ISO 8601)

notestring

Additional notes (e.g. confirmation number)

waypointIdstring

Waypoint ID to link this accommodation to

Add Expense

create_expense
Full Description

Add an expense to a trip. Specify who paid (from) and who benefited (to) with amounts. Use get_trip to find attendee user IDs first.

Parameters (5 required, 3 optional)
Required
currencystring

3-letter currency code (e.g. "EUR", "USD")

fromarray

Who paid

subjectstring

Expense description (e.g. "Dinner at restaurant")

toarray

Who benefited

tripIdstring

The trip ID

Optional
categorystring

Expense category

datestring

Expense date (ISO 8601, e.g. "2026-04-01"). Defaults to today.

isPrivateboolean

Whether the expense is private

Create Note

create_note
Full Description

Create a note. Attach it to a specific waypoint or POI by providing ref (the ID) and model ('Waypoint' or 'PointOfInterest'). Defaults to trip-level.

Parameters (1 required, 5 optional)
Required
tripIdstring

The trip ID

Optional
contentstring

Note content (plain text or HTML)

isPrivateboolean

Whether the note is private

modelstring

What the note is attached to. Defaults to Trip.

Options:TripWaypointPointOfInterest
namestring

Note title

refstring

Reference ID (waypoint or POI ID). Defaults to trip.

Create Packing List

create_packing_list
Full Description

Create a packing list with sections and items. Requires Lambus PRO. Structure: sections contain items.

Parameters (3 required, 1 optional)
Required
itemsarray

Sections with items

namestring

Packing list name

tripIdstring

The trip ID

Optional
visibilitystring

Visibility. Defaults to SHARED.

Options:SHAREDPRIVATE

Add Point of Interest

create_poi
Full Description

Add a point of interest (restaurant, museum, attraction, etc.) to a waypoint. POIs are the local layer of trip planning.

Parameters (5 required)
Required
latitudenumber

Latitude

longitudenumber

Longitude

namestring

POI name (e.g. "Eiffel Tower", "Sushi Dai")

tripIdstring

The trip ID

waypointIdstring

The waypoint ID

Add Transportation

create_transportation
Full Description

Add a transportation (flight, train, driving, etc.) between waypoints. Provide origin and destination with coordinates.

Parameters (9 required, 7 optional)
Required
destinationLatitudenumber

Destination latitude

destinationLongitudenumber

Destination longitude

destinationNamestring

Destination location name

originLatitudenumber

Origin latitude

originLongitudenumber

Origin longitude

originNamestring

Origin location name

tripIdstring

The trip ID

typestring

Transportation type

Options:flightboatdrivingtransitcyclingwalking
waypointIdstring

The waypoint ID this transportation departs from

Optional
arrivalTimestring

Arrival time (ISO 8601)

bookingReferencestring

Booking reference number

commentstring

Additional notes

departureTimestring

Departure time (ISO 8601)

emojistring

Emoji for this transportation (defaults based on type)

flightNumberstring

Flight number (for flights)

labelstring

Custom label (e.g. "Morning flight to Paris")

Create Trip

create_trip
Full Description

Create a new trip. After creating, add waypoints with create_waypoint to build the itinerary.

Parameters (1 required, 1 optional)
Required
namestring

Trip name

Optional
currencystring

3-letter currency code (default: USD)

Add Waypoint

create_waypoint
Full Description

Add a new destination to a trip. Provide a name and coordinates. Use index to control position in the itinerary.

Parameters (4 required, 1 optional)
Required
latitudenumber

Latitude

longitudenumber

Longitude

namestring

Waypoint name (e.g. "Paris", "Tokyo Tower")

tripIdstring

The trip ID

Optional
indexnumber

Position in the waypoint list (0-based). Appended at end if omitted.

Remove Accommodation

delete_accommodation
Full Description

Remove an accommodation from a trip.

Parameters (2 required)
Required
accommodationIdstring

The accommodation ID to delete

tripIdstring

The trip ID

Delete Expense

delete_expense
Full Description

Permanently delete an expense from a trip.

Parameters (2 required)
Required
expenseIdstring

The expense ID to delete

tripIdstring

The trip ID

Delete Note

delete_note
Full Description

Permanently delete a note.

Parameters (2 required)
Required
noteIdstring

The note ID to delete

tripIdstring

The trip ID

Delete Packing List

delete_packing_list
Full Description

Delete a packing list.

Parameters (2 required)
Required
packingListIdstring

The packing list ID to delete

tripIdstring

The trip ID

Remove Point of Interest

delete_poi
Full Description

Remove a point of interest from a waypoint.

Parameters (3 required)
Required
pointOfInterestIdstring

The POI ID to delete

tripIdstring

The trip ID

waypointIdstring

The waypoint ID

Remove Transportation

delete_transportation
Full Description

Remove a transportation from a trip.

Parameters (2 required)
Required
transportationIdstring

The transportation ID to delete

tripIdstring

The trip ID

Remove Waypoint

delete_waypoint
Full Description

Remove a destination and all its associated POIs, activities, and day plans from a trip.

Parameters (2 required)
Required
tripIdstring

The trip ID

waypointIdstring

The waypoint ID to delete

Get Expense Details

get_expense
Full Description

Get a single expense with full details: who paid, who it was split between, amounts, and category.

Parameters (2 required)
Required
expenseIdstring

The expense ID

tripIdstring

The trip ID

Get Itinerary

get_itinerary
Full Description

Get the day-by-day itinerary for a trip. Shows what's planned for each day at each waypoint, including activities, accommodations, and transport between stops.

Parameters (1 required)
Required
tripIdstring

The trip ID

Get Note

get_note
Full Description

Get a single note with its full content (may contain HTML).

Parameters (2 required)
Required
noteIdstring

The note ID

tripIdstring

The trip ID

Get Point of Interest

get_poi
Full Description

Get details for a specific point of interest including its location, linked days, and notes.

Parameters (2 required)
Required
pointOfInterestIdstring

The point of interest ID

tripIdstring

The trip ID

Get Profile

get_profile
Full Description

Get the authenticated user's profile: name, email, timezone, and account type.

Check PRO Status

get_subscriptions
Full Description

Check the user's Lambus PRO subscription status. If no active subscription, includes an upgrade link.

Get Trip Details

get_trip
Full Description

Get full trip details including waypoints (destinations), attendees, and activities. Use this to understand the trip structure before making changes.

Parameters (1 required)
Required
tripIdstring

The trip ID

Get Trip Summary

get_trip_summary
Full Description

Get a quick overview of a trip with counts for each component (expenses, notes, photos, etc.) and the current waypoint if the trip is ongoing.

Parameters (1 required)
Required
tripIdstring

The trip ID

Get Waypoint Details

get_waypoint
Full Description

Get details for a single waypoint (destination) including its location, daily schedule, points of interest, activities, and linked documents/photos.

Parameters (2 required)
Required
tripIdstring

The trip ID

waypointIdstring

The waypoint ID

Get Weather Forecast

get_waypoint_weather
Full Description

Get the weather forecast for a waypoint's location. Requires Lambus PRO.

Parameters (2 required)
Required
tripIdstring

The trip ID

waypointIdstring

The waypoint ID

Invite Attendee

invite_attendee
Full Description

Invite someone to join a trip by their email address, username, or user ID. They'll receive a notification to accept.

Parameters (2 required)
Required
tripIdstring

The trip ID

valuestring

Email address, username, or user ID of the person to invite

List Accommodations

list_accommodations
Full Description

List all accommodations (hotels, Airbnbs, etc.) for a trip with check-in/out dates and linked waypoints.

Parameters (1 required)
Required
tripIdstring

The trip ID

List Archived Trips

list_archived_trips
Full Description

List archived (completed/inactive) trips.

List Bookings

list_bookings
Full Description

List transportation bookings (flights, trains, buses, etc.) for a trip with departure/arrival details and locations.

Parameters (1 required)
Required
tripIdstring

The trip ID

List Waypoint Days

list_days
Full Description

Get the day-by-day plan for a waypoint. Each day has items (notes, activities, places) with times.

Parameters (2 required)
Required
tripIdstring

The trip ID

waypointIdstring

The waypoint ID

List Documents

list_documents
Full Description

List all documents (PDFs, images, files) attached to a trip. Includes file names, types, URLs, and folder structure.

Parameters (1 required)
Required
tripIdstring

The trip ID

List Expenses

list_expenses
Full Description

Get all expenses for a trip. Use get_trip first to get attendee IDs for creating expenses.

Parameters (1 required)
Required
tripIdstring

The trip ID

List Notes

list_notes
Full Description

List all notes in a trip. Notes can be attached to the trip, a specific waypoint, or a point of interest. Content is not included — use get_note for full text.

Parameters (1 required)
Required
tripIdstring

The trip ID

List Packing Lists

list_packing_lists
Full Description

List packing lists for a trip. Each list has sections (e.g. 'Clothing', 'Electronics') with checkable items. Requires Lambus PRO.

Parameters (1 required)
Required
tripIdstring

The trip ID

List Photos

list_photos
Full Description

List all photos in a trip with URLs, upload dates, and which waypoint they belong to.

Parameters (1 required)
Required
tripIdstring

The trip ID

List Trips

list_trips
Full Description

List your trips with optional filtering. Returns names, dates, currency, and attendee counts. Call this first to get trip IDs for other tools.

Parameters (0 required, 1 optional)
Optional
filterstring

Filter trips by status

Options:upcomingpastongoing

Update Accommodation

update_accommodation
Full Description

Update accommodation details like name, dates, or notes.

Parameters (2 required, 4 optional)
Required
accommodationIdstring

The accommodation ID

tripIdstring

The trip ID

Optional
checkInDatestring

Check-in date (ISO 8601)

checkOutDatestring

Check-out date (ISO 8601)

namestring

New name

notestring

Notes

Update Expense

update_expense
Full Description

Update an existing expense. Only provided fields are changed.

Parameters (2 required, 6 optional)
Required
expenseIdstring

The expense ID

tripIdstring

The trip ID

Optional
categorystring

Expense category

currencystring

3-letter currency code

datestring

Expense date (ISO 8601)

fromarray

Updated payers

subjectstring

New expense description

toarray

Updated beneficiaries

Update Note

update_note
Full Description

Update a note's title, content, or privacy setting.

Parameters (2 required, 3 optional)
Required
noteIdstring

The note ID

tripIdstring

The trip ID

Optional
contentstring

New note content

isPrivateboolean

Whether the note is private

namestring

New note title

Update Packing List

update_packing_list
Full Description

Update a packing list. Replaces the entire items array — include all sections and items, not just changes.

Parameters (2 required, 3 optional)
Required
packingListIdstring

The packing list ID

tripIdstring

The trip ID

Optional
itemsarray

Full replacement items array

namestring

New name

visibilitystring
Options:SHAREDPRIVATE

Update Point of Interest

update_poi
Full Description

Update a point of interest's name.

Parameters (3 required, 1 optional)
Required
pointOfInterestIdstring

The point of interest ID

tripIdstring

The trip ID

waypointIdstring

The waypoint ID

Optional
namestring

New POI name

Update Transportation

update_transportation
Full Description

Update a transportation's details like label, times, booking reference, or notes.

Parameters (3 required, 6 optional)
Required
transportationIdstring

The transportation ID

tripIdstring

The trip ID

waypointIdstring

The waypoint ID this transportation belongs to

Optional
arrivalTimestring

Arrival time (ISO 8601)

bookingReferencestring

Booking reference number

commentstring

Additional notes

departureTimestring

Departure time (ISO 8601)

flightNumberstring

Flight number (for flights)

labelstring

Custom label

Update Trip

update_trip
Full Description

Update trip details. Use archived: true to archive a completed trip.

Parameters (1 required, 3 optional)
Required
tripIdstring

The trip ID

Optional
archivedboolean

Archive or unarchive the trip

currencystring

3-letter currency code

namestring

New trip name

Update Waypoint

update_waypoint
Full Description

Update a waypoint's name or dates.

Parameters (2 required, 1 optional)
Required
tripIdstring

The trip ID

waypointIdstring

The waypoint ID

Optional
namestring

New waypoint name