Update Tool
Tools
Update Tool
Update a tool.
PATCH
Update Tool
Authorizations
Workspace API key (e.g. kej_live_...)
Path Parameters
Body
application/json
Partial update for a tool.
Required string length:
1 - 100HTTP configuration for a tool.
Required range:
1000 <= x <= 60000Required range:
0 <= x <= 5Voice only: speculative execution flag. Ignored for chat.
Voice only: agent's reaction when the tool fires. Ignored for chat.
Available options:
speaks, silent, speaks-once Response
Successful Response
A custom HTTP tool (public-safe response).
How the voice agent reacts when a tool call fires.
Ultravox-specific. Ignored by chat tool-calling.
- SPEAKS: agent speaks naturally around the tool call (Ultravox default)
- SILENT: agent stays silent until the tool returns
- SPEAKS_ONCE: agent speaks at most one filler line during the tool call
Available options:
speaks, silent, speaks-once 
