versioning changedapi/versioning
Nearest release: v2.1.307, published an hour before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
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14 Aug 2026
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2020
2121## Version history
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23Anthropic recommends using the latest API version whenever possible. Previous versions are considered deprecated and may be unavailable for new users.
23Anthropic recommends using the latest API version whenever possible.
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2525* `2026-10-21`
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