What probably matters to youSection of the release
What
The SDK is the developer kit for building programs on Claude Code. The result message it sends at the end of a run has a new optional field, credential_expires_at.
Why
Programs built with the SDK can see when the credentials, meaning the login details in use, will expire.
Read from
Names in the bundlecredential_expires_at
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeAdded the date a stored claude.ai sign-in ends to claude auth status (loginExpiresAt) and to claude -p JSON results (credential_expires_at)
