Release Notes

Current Version

API Version: 1.0 Last Updated: August 2026

Version 1.0 (Current)

Overview

The CheckInHandler Service API provides check-in availability, record locator resolution, and check-in overview services for TUI airlines via Apigee X, backed by a .NET Fargate service integrating with Navitaire NewSkies middleware.

Endpoints

Features

• Multi-carrier support — X3, TB, OR, FH, TOM
• Product type detection — Harmonised, Legacy, Hybrid
• Deep link generation — Carrier-specific URLs for legacy check-in products
• Per-segment availability — Individual time window calculations per flight segment
• Document availability — Reports whether boarding pass documents can be generated
• Pending check-in detection — Identifies incomplete check-in processes

Security

• OAuth 2.0 Bearer token authentication
• Spike arrest rate limiting
• Private API product (access:private)

Infrastructure

• API Gateway: Apigee X (flight space)
• Backend: AWS ECS Fargate (.NET)
• Data Source: Navitaire NewSkies (via internal middleware)
• Environments: dev → sit → pre-prod → prod

Changelog

2026-08 — Check-in Overview endpoint

• Added GET /checkinoverview endpoint with per-segment document and pending status

2026-07 — Per-segment check-in data

• Enhanced /checkinavailability with per-segment details (departure times, window configuration)

2026-03 — Initial release

• GET /recordlocator — Record locator resolution
• GET /checkinavailability — Check-in availability with product type detection
• Multi-carrier deep link support