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POST
/
api
/
webhook
/
elevenlabs
/
tools
/
check-availability
ElevenLabs tool: check human agent availability
curl --request POST \
  --url https://your-instance.example.com/api/webhook/elevenlabs/tools/check-availability \
  --header 'Content-Type: application/json' \
  --data '
{
  "conversation_id": "conv_8f3d1b9c2e7a4f0b9a4d2c1e6e2f8c01",
  "agent_id": "agent_a8d3c4e09b2f4e1ab3c45f6a7b8c9d01",
  "caller_id": "+14165550100",
  "called_id": "+12362320246",
  "called_number": "+12362320246"
}
'
{
  "agents_available": true,
  "available_count": 2,
  "online_count": 4
}

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Body

application/json

Common shape ElevenLabs uses to invoke a server tool mid-call. called_id/called_number lets the handler resolve the user inside the calling org.

​
conversation_id
string

ElevenLabs conversation id; used to correlate with the cached personalization context.

​
agent_id
string

ElevenLabs agent id that is invoking the tool.

​
caller_id
string

External caller phone number.

​
called_id
string

Tether AI-enabled number that was called; used to resolve owning org/user.

​
called_number
string

Alternate key for called_id (older ElevenLabs payloads use this name).

Response

Agent availability

​
agents_available
boolean
required
​
available_count
integer
​
online_count
integer