API versioning, deprecation, and changelog
Supported APIs use an explicit major version. Compatible additions may be introduced within a version; breaking request, response, authentication, or behavior changes require a new major version.
Deprecation
Section titled “Deprecation”A deprecation notice will identify the affected version, replacement, migration guidance, announcement date, and retirement date. Security or legal risk may require a shorter emergency timeline.
Changelog
Section titled “Changelog”The public changelog will record releases, additions, fixes with integration impact, deprecations, and removals. Internal refactoring without contract impact is excluded.
Consumer responsibilities
Section titled “Consumer responsibilities”Pin to a supported version, tolerate documented additive fields, monitor announcements, test migrations, and remove retired integrations. Do not depend on undocumented fields or routes.
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