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Fetch the complete documentation index at: https://docs.pokulabs.com/llms.txt

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During an outbound call, the voice agent will transfer to your transfer number if (1) the person on the line explicitly asks to speak with a human or (2) if you specify any transfer conditions in the prompt. This gives the other party a way to reach you directly if needed — for example, if they have a question the agent can’t answer or want to confirm details personally.

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Option 1: Via the API

Pass transferTo in your call request: 
curl -X POST https://api.pokulabs.com/calls \
  -H "Authorization: Bearer <your-api-key>" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "<drafted prompt>",
    "to": "<destination number>",
    "transferTo": "+12223334444"
  }'
ParameterTypeRequiredDescription
promptstringYesStructured prompt that drives the voice AI agent.
tostringYesDestination phone number in E.164 format.
transferTostringNoNumber to transfer the call to if the other party asks to speak with a human. Must be E.164 format.
See Supported Countries for eligible destinations.

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Option 2: Via the Poku Skill

Set POKU_TRANSFER_NUMBER in your Poku Skill environment config to apply a permanent transferTo across all calls placed by the skill — no need to pass it on each request. 
{
  "skills": {
    "entries": {
      "poku": {
        "enabled": true,
        "apiKey": "<your-poku-api-key>",
        "env": {
          "POKU_TRANSFER_NUMBER": "+12223334444"
        }
      }
    }
  }
}
See Poku Skill for full installation instructions.