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July 11, 2025

Webhooks for Prompt Changes

Max Deichmann

Get real-time notifications for new prompt versions, changes to deployment labels or tags, and other edits.

When using Langfuse Prompt Management, you can now receive real-time notifications when prompts are changed:

• Created - A new prompt version is added
• Updated - Labels or tags on an existing prompt version are modified
• Deleted - A prompt version is removed

Common use cases:

• Trigger CI/CD pipelines when production prompts are updated
• Sync prompt changes with external systems or persist them in your repo via a GitHub Action
• Notify team members about prompt modifications

Features

• Filtering: Configure webhooks for specific prompt actions with custom filters
• Security: HMAC SHA‑256 signature verification via x-langfuse-signature header
• Reliability: High availability with error handling and retry mechanisms

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