2026-05-11

Deprecation tags added to legacy listings and reservations resources to indicate Guesty's intention to sunset them in the near future

Add the isTest flag to GET /listings, POST /listings, GET /listings/{id}, PUT /listings/{id}, PUT /listings/{id}/availability-settings, GET /owners-reservations, GET /owners-reservations/{id}, and PUT /owners-reservations/{id} responses to identify test properties
Add secondarySource to GET /reservations, POST /reservations, GET /reservations/{id}, PUT /reservations/{id}, and POST /reservations/{id}/invoiceItems responses to expose the reservation website name when available
Added feeGroupName to GET /payment-transactions/reports/payouts-reconciliation responses to expose the fee group name for payout reconciliation entries

Deprecate GET /listings/{id}/custom-fields, PUT /listings/{id}/custom-fields, GET /listings/{id}/custom-fields/{field_id}, and DELETE /listings/{listing_id}/custom-fields/{field_id}
Deprecate POST /reservations.csv and POST /reservations.email