API Deprecation Timeline

When an API is deprecated, the provider announces it will stop working on a specific date. During the deprecation period, the API typically continues to function but may receive limited or no updates. After the sunset date, the API stops working entirely, which can break applications that still depend on it.

Most major providers give 12-18 months notice for significant API changes, though this varies by provider and API importance. Critical security-related deprecations might have shorter timelines, while established APIs often get longer deprecation periods. Always check the provider’s official deprecation policy for specific timelines.

It depends on the urgency level and your development cycle. For “Critical” deprecations (< 3 months), prioritize migration immediately. For longer timelines, you can plan the migration into your regular development cycle, but don't wait until the last minute as migration often takes longer than expected and may reveal unexpected dependencies.

When no direct replacement is provided, the provider usually recommends alternative approaches, third-party services, or suggests building the functionality in-house. Review the deprecation notice carefully for recommended alternatives, or consider reaching out to the provider’s support team for guidance on migration strategies.

Subscribe to provider newsletters, follow their developer blogs, enable notifications in their developer consoles, and use monitoring tools like this tracker. Many providers also offer RSS feeds for their changelog and deprecation announcements. Set up alerts for the services you depend on most heavily.