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Vapi · Endpoint removal

/knowledge-base* stops working

Stopped working September 29, 2025

Calls to /knowledge-base* on Vapi stopped working on September 29, 2025.

What to use instead of these calls

Use the knowledge base integrated into model configurations.

Calls it hits

/knowledge-base*

Facts

API: Vapi api.vapi.ai
Kind: Endpoint removal
Takes effect: September 29, 2025
Calls after that day: Fail
Source: Announcement
Last updated: October 17, 2026

More from Vapi

/logs* stops working Stopped working
/test-suite* stops working Stopped working

Know before your API calls break.

Okapi finds the calls a breaking change hits in your code and opens the pull request that fixes them.

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