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LangSmith · Function

create_presigned_url

Create a presigned URL for one LangSmith run and feedback key. A browser, mobile app, or external channel can submit feedback through it without exposing the LangSmith API key.

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Syntax

client.create_presigned_feedback_token(run_id="run-id", feedback_key="feedback-key")

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  • createPresignedFeedbackToken
  • Agent Server
  • feedback_keys

Source: Collect feedback with presigned URLs - Docs by LangChain Documentation Index. Checked 2026-11-03.