Summary

This Live release brings together the improvements, fixes, and new features previously delivered across the Beta cycle, spanning error handling improvements, notes management enhancements, guest classification management, reservation reliability fixes, and new headless payment tokenisation support.

Included in this Live release:

• Error Handling & HTTP Status Improvements Fixes to incorrect HTTP status codes returned during transient errors in payment processing, and resolution of a 500 error on the NPS Results Report endpoint in Beta and Test environments. 👉 Beta details: https://releasenotes.rmscloud.com/rest-api-v10.26.65.2----beta-S8aju
  
  
• Company & Travel Agent Notes — All Properties Support New support for creating and updating notes scoped to All Properties for company and travel agent records via propertyId: 0, aligning API behaviour with the RMS UI. Validation added to PUT requests to enforce scope consistency. 👉 Beta details: https://releasenotes.rmscloud.com/rest-api-v10.26.77.4----beta-XO8UM
  
  
• Guest Classifications, Reservation Fixes & Stability Improvements New guest classification endpoints, a fix for dynamic pricing rate consistency on pencil reservations, and a fix for a 404 error incorrectly returned when creating reservation holds. 👉 Beta details: https://releasenotes.rmscloud.com/rest-api-v10.26.90.1----beta-104VXi
  
  
• Guest Classifications, Company Branch Offices & Credit Card Tokenisation New endpoints for managing company branch office relationships, and a merchantReference field for headless payment tokenisation via POST /guests/{id}/creditCard. 👉 Beta details: https://releasenotes.rmscloud.com/rest-api-v10.26.105.2----beta-4BL7va
  
  
• Availability & Rate Calculation Enhancements Improvements to availability and rate calculation workflows, along with new API support for managing guest correspondence notes. 👉 Beta details: https://releasenotes.rmscloud.com/rest-api-v10.26.10.1----beta-3ECvn2
  
  
• Reservation Workflow Fixes & Stability Improvements Fixes to reservation creation and update workflows, ensuring rate-based configuration fields are correctly applied and resolving timeout issues when overriding rates. 👉 Beta details: https://releasenotes.rmscloud.com/rest-api-v10.26.19.2----beta-1eL7Q4

Notes

• This release is now available in Live
• Release Date: April 22, 2026 (AEST)
• Partners can begin using these changes in production immediately
• ⚠️ Upcoming Breaking Change — June 2, 2026 (AEST): A global maximum record limit of 50,000 will be enforced across POST /transactions/allocations/search, POST /transactions/search, POST /guests/search, and POST /reservations/search. Requests exceeding this limit will return HTTP 400. If your integration requests more than 50,000 records in a single call on any of these endpoints, please reduce your limit or implement pagination before this date. https://releasenotes.rmscloud.com/rest-api-v10.26.105.2----beta-only-breaking-change---maximum-query-limit-4CTw1q
• Please report any issues through standard support channels: https://rmsapi.zendesk.com/hc/en-gb/requests