Changelog

All notable changes to the Flex Forward API and documentation are listed here in reverse chronological order.

v1.0.0

Initial public release of the Flex Forward API and developer documentation.

Endpoints: POST /labels (create shipping label), GET /labels/{id} (retrieve label document URL), GET /tracking/{id} (retrieve shipment tracking)
Production courier: YunExpress with global cross-border e-commerce shipping lanes
Idempotency: Built-in duplicate prevention for label creation via idempotencyKey
Unified tracking: Normalized status tags (Pending, InfoReceived, InTransit, Delivered, Exception, Cancelled, Unknown) and structured checkpoint format across all couriers
Authentication: Bearer token authentication with separate tokens for production and development environments
Documentation: Quickstart guide, authentication reference, error handling guide, idempotency and retry patterns, environment details, core concepts, versioning policy, and FAQ