--- title: "API Gateway release notes" slug: "apigw-releasenote" tags: ["API Gateway", "release notes"] updated: 2026-09-17T09:17:40Z published: 2026-09-17T09:17:40Z canonical: "guide.ncloud-docs.com/apigw-releasenote" stale: true --- > ## Documentation Index > Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt > Use this file to discover all available pages before exploring further. # API Gateway release notes Available in Classic and VPC This page provides release notes for API Gateway. The release notes include: - New - Initial release - Update - Added: new features - Changed: feature enhancements - Fixed: bug fixes - Deprecated: feature deprecations or service shutdown - Miscellaneous: documentation changes Read on for detailed descriptions of each release. ### July 17, 2025 | Type | Change | Go to page | | --- | --- | --- | | Added | Added "Operation ID" for identifying API methods. Unique ID that identifies API operation.Used to write codes and classify methods during export. | [Using API Gateway > My Products](/docs/en/apigw-myproducts) | ### June 19, 2025 | Type | Change | Go to page | | --- | --- | --- | | Deprecated | API test feature ended. API test feature in API Gateway > My Products > API menu ended. | [Using API Gateway > My Products](/docs/en/apigw-myproducts) | ### October 17, 2024 | Type | Change | Go to page | | --- | --- | --- | | Update - added | Added new API authentication method - "IAM + AUTHORIZATION.""IAM + AUTHORIZATION" combines IAM authentication with permission to perform API methods, providing more granular permissions management. | [Using API Gateway > My Products](/docs/en/apigw-myproducts) | ### July 23, 2024 | Type | Change | Go to page | | --- | --- | --- | | Update - miscellaneous | Provided troubleshooting guide. | [API Gateway troubleshooting](/docs/en/apigw-troubleshoot) | ### April 25, 2024 | Type | Change | Go to page | | --- | --- | --- | | Update - added | Added API changes comparison feature.Provides a feature to compare changes from a previous API before changing a pre-registered API resource through the API Import feature. | [Using API Gateway > My Products](/docs/en/apigw-myproducts) | | Update - changed | Changed HTTP/TLS supported version for "*.apigw.ntruss.com" domain.HTTP/2 and TLSv1.3, which provide improved performance and security, newly supported.Support for vulnerable TLSv1 and TLSv1.1 discontinued. | [Using API Gateway > Client Certificates](/apigw-apigw-certificates) | ### March 21, 2024 | Type | Change | Go to page | | --- | --- | --- | | Update - added | OpenAPI 3.0 supported. Added support for OpenAPI 3.0 JSON during API import or export. | [Using API Gateway > My Products](/docs/en/apigw-myproducts) |