API Deprecation
type: TechArticle
description: API deprecation, sunset headers, end-of-life management, and API retirement tools and services.
about: Deprecation
about: Sunset
about: EndOfLife
about: DeprecationHeader
about: SunsetHeader
about: DeprecationPolicy
about: MigrationPath
keywords: API Retirement
keywords: Deprecation
keywords: End of Life
keywords: Sunset
citation: RFC 8594: The Sunset HTTP Header Field
date created: 2026-03-29
date modified: 2026-04-28