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Connect your management software

Link Guesty, Hostaway, Lodgify, Smoobu or other management software to The Big One to receive your properties and bookings, then choose the properties you manage.

For: Manager≈ 6 min readUpdated 28 October 2026

The video for this guide is coming soon.

Once your management software is linked, your properties and bookings arrive in The Big One on their own: no more double entry, and cleanings follow the stays. This article applies to all the software on the Integrations page that offers “Add an account”: Guesty, Hostaway, Lodgify, Smoobu, Beds24 and the others. Allow 10 minutes.

Your platform only has a calendar link? See Connect an iCal calendar. You have your own tool? See Connect your tool through the API.

What the connection syncs

DataDirectionNote
Properties (listings)From your software to The Big OneThey arrive inactive; a question offers to activate them as soon as the import ends
Property addressFrom your software to The Big OneWhen the software gives it: Smoobu (with the capacity and the type), Mews (hotel address on the building and on each room)
BookingsFrom your software to The Big OneThey feed the schedule of the active properties
Listing photosFrom your software to The Big OneRead-only, when the software supplies them
CleaningsFrom The Big One to your softwareOnly if the “Send cleanings back to …” setting is offered and turned on

Before you start

  • You are an administrator of the company: only an administrator can link management software.
  • You have your access details for the software to hand. The information requested is found in your account settings, in the access or API keys section.
  • Your software carries the label “On request”? It is not connected yet: click “Request” to write to us.

Connect the software

Step by step

  1. 1

    Open Settings › Workflows & integrations › Integrations.

  2. 2

    In “Search for an integration…”, enter the name of your software.

  3. 3

    On its card, click Add an account. The “Connect …” window opens.

  4. 4

    Fill in the fields requested by your software.

    • Several “Connection method” options are offered? Choose the one that matches your access details.
    • The software asks for authorisation on its own site? Click the “Authorise …” button: the connection is completed there, then you come back here.
  5. 5

    Click Connect. A message says the software is linked and how many listings were detected.

Import and activate your properties

Step by step

  1. 1

    On the software's card, click Import properties. The “Link apartments” window shows the listings of your software next to your properties that are already known.

    • You had already created your properties by hand? On the listing's row, open “Choose a property…” and choose the existing property: no duplicate.
    • For a listing without a property, click “Create the property”, or tick “Create a property for the … listings not yet linked” to create everything that is left at once.
    • At the bottom, the line “Created properties arrive inactive: you will be asked whether to activate them.” reminds you of the state of the new properties.
  2. 2

    Click the save button, for example Save 6 links. The message “Properties linked: …, created: ….” is displayed, with “Open Properties”.

  3. 3

    Were properties created? The question “Activate these … properties now?” is displayed: Activate puts them on the schedule straight away; “Later” leaves them inactive.

  4. 4

    Later, open the Properties menu, “Inactive” tab, and click Reactivate on each property you manage. Only active properties feed the schedule.

On a connection through Calry, the Refresh button reads the listings again without creating anything: the message “Listings re-read: … · new: ….” is displayed. If there is something new, the message offers “Import properties”, and the “Import properties” button on the card carries the “… new” marker until you open the window.

Set up the connection

On the card, click “View connection details”.

ItemWhat it does
Listings in the linked software, Imported propertiesCompare what the software offers and what has arrived in The Big One
SyncHow often it is read again: “Every 30 minutes” or “Every hour”
Send cleanings back to …Writes the cleaning of each stay into your software. Off at the start, offered for some software
DisconnectRemoves the software from the card. The imported properties become inactive, the history is kept

If it does not work

Frequently asked questions

Can several accounts of the same software be linked?

Yes. Several accounts can be linked to the same software. Rename each connection with the pencil to tell them apart.

Do all the properties from the software become active?

No. Created properties arrive inactive. At the end of the import, the question “Activate these … properties now?” lets you choose; with “Later”, you activate the ones you manage in Properties, “Inactive” tab.

What happens if I disconnect the software?

The software disappears from the card and the imported properties become inactive. The history is kept: you can link it again later.

Does The Big One change my bookings?

No. The Big One reads your properties and your bookings. It only writes cleanings into your software, and only if you turn on “Send cleanings back to …”.

My software is not in the list, what should I do?

Link your properties with an iCal link, or send your data through the custom source (API).

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