2026 - Q2 - Release of Hostfully API v3.3

🚀 Hostfully API v3.3 – Q2 2026 Release

v3.3 will be a minor release focusing on small improvements and partner-requested enhancements. This release will not introduce major architectural changes and should be easy for partners to adopt.

• Version Migration Guide for API V3.X

Contracts refinement:

1. Added error message upon incorrect message.type value for Messages endpoint
2. Added securityDeposit into Orders endpoint
3. Added ability to specify lead.channel upon lead creation
4. Added order-adjustments upsertion ability
5. Updated longer custom data field content for LONG_TEXT data type
6. Added isActiveOrHasActiveSubUnits filter parameter for GraphQL
7. Added PromoCodes endpoint
8. Added ability to access lead.rentalAgreementUrl
9. Added support to return orders for cancelled leads
10. Added more channels for Property Channel Links
11. Updated Quote endpoints accepts childrenCount and petCount

Documentation enhancements

1. Added summaries
2. Updated mandatory fields for creation of properties and leads

Permission inheritance for structured inventory

• new UnitTypes of Multi-Unit Property will automatically be accessible if the Multi-Unit Property itself is accessible

New webhooks

1. HOTEL_UPDATED
2. INBOX_THREAD_UPDATED
3. CUSTOM_DATA_CREATED
4. CUSTOM_DATA_UPDATED
5. CUSTOM_DATA_DELETED